Nippon Chemical Industrial Co., Ltd.

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2025 January 3
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IPC Class
C01B 25/45 - Phosphates containing plural metal, or metal and ammonium 25
G21F 9/12 - Processing by absorptionProcessing by adsorptionProcessing by ion-exchange 25
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy 25
C07F 9/50 - Organo-phosphines 21
H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form 21
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1.

SODIUM COMPOUND HAVING NASICON STRUCTURE

      
Application Number JP2024026111
Publication Number 2025/023203
Status In Force
Filing Date 2024-07-22
Publication Date 2025-01-30
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Fukazawa Junya

Abstract

Provided is a method by which a sodium compound that has a NASICON structure and has a single phase as observed by x-ray diffraction can be produced in an industrially advantageous manner. The present invention is a production method for a sodium compound that has a NASICON structure and contains at least sodium, zirconium, silicon, and phosphorus. The production method is characterized by firing a reaction precursor that contains sodium, zirconium, silicon, and phosphorus and has an infrared absorption spectrum that has at least an absorption peak that has a maximum value at 950–1050 cm-1and an absorption peak that has a maximum value at 1060–1150 cm-1 at 800°C–1100°C.

IPC Classes  ?

  • C01B 33/20 - Silicates
  • C01B 25/37 - Phosphates of heavy metals
  • C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates

2.

METHOD FOR PRODUCING TITANIUM CHELATING AGENT AND TITANIUM CHELATING AGENT

      
Application Number JP2024024938
Publication Number 2025/018247
Status In Force
Filing Date 2024-07-10
Publication Date 2025-01-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Suzuki Tamotsu
  • Miyabe Shinsuke

Abstract

Provided is a production method for producing, using an industrially advantageous method, a titanium chelating agent that has a flash point of room temperature or higher and can be handled as a non-hazardous material. This method for producing a titanium chelating agent includes: a moisture adjustment step for adding pure water to a liquid mixture of an organic solvent and a titanium chelating compound to adjust the moisture so that the moisture content is 20 mass% to 70 mass%; and a reduced-pressure distillation step for distilling off the organic solvent from the aqueous liquid mixture obtained in the moisture adjustment step under the conditions of a vacuum level of −30 kPa to −100 kPa and a temperature of 30°C to 80°C.

IPC Classes  ?

  • C07C 51/50 - Use of additives, e.g. for stabilisation
  • C07C 51/41 - Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
  • C07C 59/08 - Lactic acid
  • C07F 7/28 - Titanium compounds

3.

NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR PRODUCING SAME, AND COMPOSITE MATERIAL

      
Application Number JP2024024205
Publication Number 2025/013745
Status In Force
Filing Date 2024-07-04
Publication Date 2025-01-16
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Fukazawa Junya

Abstract

227xypztt (In the formula, M represents one or more metal elements selected from among Mg, Zn, Cu, Fe, Cr, Mn, Ni, V, Li, Al, B, Na, K, F, Cl, Br, I, Sr, Ba, Ti, Zr, Hf, Nb, Ta, Y, Yb, Si, S, W, Mo, Co, Bi, Te, Pb, Ag, Cd, In, Sn, Sb, Te, Ga, Ge, La, Ce, Nd, Sm, Eu, Tb, Dy, and Ho; 0

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates

4.

METHOD FOR PRODUCING WATER-SOLUBLE QUANTUM DOT, AND WATER-SOLUBLE QUANTUM DOT

      
Application Number JP2024021119
Publication Number 2024/257744
Status In Force
Filing Date 2024-06-11
Publication Date 2024-12-19
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui Kazuhiro
  • Sakanoue Tomo

Abstract

Provided are: a method for producing a water-soluble quantum dot which has an excellent quantum yield in an aqueous solvent such as water and has a narrow FWHM emission spectrum; and a water-soluble quantum dot obtained by the production method. The method for producing a water-soluble quantum dot comprises: a ligand exchange step for adding a hydrophilic ligand to a hydrophobic quantum dot dispersion and exchanging a ligand bonded to the surface of the quantum dot with a hydrophilic ligand to obtain a hydrophilic quantum dot; a dispersion step for dispersing the hydrophilic quantum dot in an aqueous solvent to obtain an aqueous solvent dispersion of the hydrophilic quantum dot; a surface treatment step for adding a surface treatment agent to the aqueous solvent dispersion to perform surface treatment of the hydrophilic quantum dot in an aqueous solvent, thereby obtaining an aqueous solvent dispersion of the surface-treated hydrophilic quantum dot; and a shell formation step for adding a shell-forming agent to the aqueous solvent dispersion of the surface-treated hydrophilic quantum dot to form a shell on the surface of the surface-treated hydrophilic quantum dot, thereby obtaining an aqueous solvent dispersion of the water-soluble quantum dot.

IPC Classes  ?

  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C01B 25/08 - Other phosphides
  • C09K 11/56 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing sulfur
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements

5.

METHOD FOR PRODUCING LITHIUM COBALT-BASED COMPOSITE OXIDE PARTICLES

      
Application Number JP2024019900
Publication Number 2024/253018
Status In Force
Filing Date 2024-05-30
Publication Date 2024-12-12
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takahashi Chihiro
  • Kikuchi Masahiro

Abstract

Provided is a method for producing lithium cobalt-based composite oxide particles that make possible the reduction of the weight and thickness of a positive electrode material when used as a positive electrode active material of a nonaqueous lithium secondary battery or an all-solid-state battery. This method for producing lithium cobalt-based composite oxide particles is characterized by comprising: a thermal decomposition step in which a cobalt compound starting material having an average particle size of 0.05-1.00 μm by SEM observation is thermally decomposed to obtain a cobalt oxide, the cobalt starting material being cobalt hydroxide or a cobalt salt; a mixture preparation step in which a mixture containing at least a lithium compound and the cobalt oxide obtained by the thermal decomposition step is prepared; and a firing step in which the mixture prepared in the mixture preparation step is fired at 500-850°C.

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

6.

METHOD FOR PRODUCING ARYLDIADAMANTYLPHOSPHINE DERIVATIVES AND METHOD FOR PRODUCING ARYLDIADAMANTYLPHOSPHONIUM SALT DERIVATIVES

      
Application Number JP2024015030
Publication Number 2024/219367
Status In Force
Filing Date 2024-04-15
Publication Date 2024-10-24
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sano Natsuhiro
  • Tamura Ken
  • Furui Eri

Abstract

22) is introduced into a compound having an aryl skeleton. This method for producing aryldiadamantylphosphine derivatives has: a first step for obtaining a lithiated substance by reacting a bromo compound with an alkyllithium; and a second step for then reacting the obtained lithiated substance with a diadamantylchlorophosphine.

IPC Classes  ?

7.

METHOD FOR PRODUCING QUANTUM DOT

      
Application Number 18681608
Status Pending
Filing Date 2022-08-19
First Publication Date 2024-10-10
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sakanoue, Tomo
  • Nakatsui, Kazuhiro

Abstract

A method for producing a quantum dot having excellent in full width at half maximum (FWHM) and symmetry of the emission spectrum, the quantum dot having a core-shell structure, with a core composed of an InP-based quantum dot obtained by a reaction of at least a phosphorus source and an indium source, and a shell composed of a coating compound other than InP-based one, includes performing a reaction to coat the core with the coating compound in a solvent containing a plurality of amine derivatives. The coating compound is obtained preferably from a reaction with at least a zinc source.

IPC Classes  ?

  • C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements

8.

LITHIUM COBALT-BASED COMPOSITE OXIDE PARTICLES AND PRODUCTION METHOD THEREFOR

      
Application Number JP2024000409
Publication Number 2024/154638
Status In Force
Filing Date 2024-01-11
Publication Date 2024-07-25
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takahashi Chihiro
  • Kikuchi Masahiro

Abstract

Provided are lithium cobalt-based composite oxide particles that are useful as a positive electrode active material for a non-aqueous lithium secondary battery, an all-solid battery, and the like, and comprise a water-soluble lithium compound and lithium cobalt composite oxide fine particles having an average particle diameter of 0.10 to 2.00 μm observed by SEM, the lithium cobalt-based composite oxide particles being characterized in that the water-soluble lithium compound is attached to at least a part of the particle surface of the lithium cobalt composite oxide fine particles.

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

9.

METHOD FOR PRODUCING LITHIUM SILICOPHOSPHATE POWDER COMPOSITION

      
Application Number JP2023045230
Publication Number 2024/135596
Status In Force
Filing Date 2023-12-18
Publication Date 2024-06-27
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Kato Takuma
  • Hata Toru
  • Kikuchi Masahiro
  • Takahashi Chihiro

Abstract

The present invention provides method for producing a lithium silicophosphate powder composition that makes it possible to obtain, with an industrially advantageous method that does not require excessive pulverization, a lithium silicophosphate powder composition which has excellent sintering properties that enable sintering at low temperatures. Provided is a method for producing a lithium silicophosphate powder composition, said method being characterized by comprising: a first step for mixing lithium hydroxide and fumed silica into an aqueous solvent to prepare a liquid mixture containing the elements Li and Si; a second step for adding, to the liquid mixture, an aqueous solution containing phosphoric acid to obtain a slurry that contains the elements Li, Si, and P as solid content; a third step for subjecting the slurry to a spray drying process to obtain a reaction precursor; a fourth step for sintering the reaction precursor to obtain a LISICON-type lithium silicophosphate; and a fifth step for subjecting the LISICON-type lithium silicophosphate and a lithium compound to a mixing process to obtain a lithium silicophosphate powder composition.

IPC Classes  ?

  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • C01B 33/32 - Alkali metal silicates
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01M 10/0562 - Solid materials

10.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2023042926
Publication Number 2024/122440
Status In Force
Filing Date 2023-11-30
Publication Date 2024-06-13
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Shiraishi Yuta
  • Kikuchi Masahiro
  • Fukuchi Minoru

Abstract

22 and a compound containing Al and F.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • C01G 51/00 - Compounds of cobalt
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

11.

CONDUCTIVE PARTICLES, METHOD FOR MANUFACTURING SAME, CONDUCTIVE MATERIAL, AND CONNECTION STRUCTURE USING SAME

      
Application Number JP2023039867
Publication Number 2024/101306
Status In Force
Filing Date 2023-11-06
Publication Date 2024-05-16
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Hisamochi Akihiro
  • Naruhashi Tomonao
  • Inaba Hiroyuki

Abstract

The present invention relates to conductive particles each having a conductive layer on the surface of a core particle, and having a compressibility of 90-98% when the compressive load is 10 mN. It is preferable that the conductive particles have a compressibility of 50% or less when the compressive load is less than 9 mN, and have a recovery rate of 1-10% when the compressibility is 90% or more. The conductive particles can be manufactured by a manufacturing method comprising a step of forming the conductive layer after the core particle is cooled under a specific condition.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

12.

CARBON DIOXIDE ABSORBENT AND METHOD FOR SEPARATING AND RECOVERING CARBON DIOXIDE

      
Application Number JP2023037218
Publication Number 2024/085086
Status In Force
Filing Date 2023-10-13
Publication Date 2024-04-25
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sugiya Masashi
  • Furui Eri

Abstract

The present invention provides a carbon dioxide absorbent which uses an ionic liquid that has a high carbon dioxide absorption and easily desorbs carbon dioxide during regeneration of the absorbent. This carbon dioxide absorbent is characterized by being composed of at least a porous carrier and an ionic liquid that is supported by the porous carrier, and is also characterized in that the ionic liquid is a phosphonium-based ionic liquid that is represented by general formula (1). (In the formula, each of R1, R2and R3independently represents a linear alkyl group having 1 to 10 carbon atoms, a branched alkyl group or a cyclic alkyl group; m represents an integer of 1 to 10; n represents an integer of 1 to 3; and A1n- represents an anion.)

IPC Classes  ?

  • B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
  • C01B 32/50 - Carbon dioxide
  • B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
  • B01J 20/34 - Regenerating or reactivating

13.

FOAMED RESIN INSULATION MATERIAL, AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2023035681
Publication Number 2024/071394
Status In Force
Filing Date 2023-09-29
Publication Date 2024-04-04
Owner
  • MEISEI INDUSTRIAL CO., LTD. (Japan)
  • NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Yamashiro Hirotaka
  • Kawano Tetsuya
  • Nakagawa Yukio
  • Morishita Yuuichi
  • Nagaji Kentarou
  • Mouri Kengo
  • Nagaura Hidenori
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

Provided are: a foamed resin insulation material that can reduce the difference in coefficient of linear expansion between a metal and a foamed resin insulation material, reduce thermal stress generated in the foamed resin insulation material as much as possible, and prevent the occurrence of cracks; and a method for manufacturing the same. The foamed resin insulation material comprises a foamed resin molded body molded by foaming an unfoamed resin material in which a negative thermal expansion material that contracts in volume as the temperature rises and expands as the temperature falls is mixed. A fiber sheet composed of intersecting warp threads and weft threads is integrated with the inner and outer surfaces of the foamed resin molded body.

IPC Classes  ?

  • C08J 9/02 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
  • B29C 44/00 - Shaping by internal pressure generated in the material, e.g. swelling or foaming
  • B29C 44/12 - Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
  • B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
  • B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
  • F16L 59/04 - Arrangements using dry fillers, e.g. using slag wool

14.

CARBON DIOXIDE ABSORBENT AND METHOD FOR SEPARATING AND RECOVERING CARBON DIOXIDE

      
Application Number JP2023033644
Publication Number 2024/063017
Status In Force
Filing Date 2023-09-15
Publication Date 2024-03-28
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sugiya Masashi
  • Furui Eri

Abstract

Provided is a carbon dioxide absorbent that uses an ionic liquid which absorbs large amounts of carbon dioxide and easily releases carbon dioxide during absorbent regeneration. This carbon dioxide absorbent is characterized by comprising: a phosphonium ionic liquid having at least one type of cation having therein amino groups; and an ionic liquid other than a phosphonium ionic liquid having at least one type of cation having therein amino groups.

IPC Classes  ?

  • B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
  • B01D 53/62 - Carbon oxides
  • B01D 53/78 - Liquid phase processes with gas-liquid contact
  • C07F 9/54 - Quaternary phosphonium compounds

15.

CONDUCTIVE PARTICLES, PRODUCTION METHOD THEREFOR, AND CONDUCTIVE MEMBER

      
Application Number JP2023028688
Publication Number 2024/043047
Status In Force
Filing Date 2023-08-07
Publication Date 2024-02-29
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Oohata Kayo
  • Hisamochi Akihiro
  • Inaba Hiroyuki

Abstract

The present invention provides conductive particles which have a small connection resistance value and have excellent insulation performance, and with which short circuit is inhibited, and thus exhibit excellent connection reliability. The conductive particles each have a core material particle, and a conductive layer having a plurality of projection parts on the surface of the core material particle. The height variation of the projection parts is 0.01-0.25.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables

16.

LITHIUM-COBALT-BASED COMPOSITE OXIDE PARTICLES AND METHOD FOR PRODUCING SAME, AND LITHIUM-COBALT-BASED COMPOSITE OXIDE PARTICLE COMPOSITION AND METHOD FOR PRODUCING SAME.

      
Application Number JP2023019354
Publication Number 2023/243347
Status In Force
Filing Date 2023-05-24
Publication Date 2023-12-21
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takahashi Chihiro
  • Kikuchi Masahiro

Abstract

Provided are lithium-cobalt-based composite oxide particles obtained by a solid phase process, and a method for producing same, wherein when the lithium-cobalt-based composite oxide particles are used as a positive electrode active material of a non-aqueous lithium secondary battery or all-solid-state battery, the weight and thickness of a positive electrode material can be reduced; and the lithium-cobalt-based composite oxide particles are characterized in that the average particle diameter of primary particles of the lithium-cobalt-based composite oxide is 0.50 μm or less, and the weight decrease ratio in heating at 850°C is 1.5% by mass or less.

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

17.

METHOD FOR PRODUCING AROMATIC COMPOUND

      
Application Number JP2023021260
Publication Number 2023/243522
Status In Force
Filing Date 2023-06-07
Publication Date 2023-12-21
Owner
  • NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
Inventor
  • Sawatsugawa, Yuki
  • Tamura, Ken
  • Ito, Hajime
  • Kubota, Koji

Abstract

The purpose of the present invention is to provide a method for producing an aromatic compound, wherein a cross-coupling reaction by means of a mechanochemical process is carried out in a state where a solvent is not substantially contained, the method being able to be applied to a wide range of base materials. A method for producing an aromatic compound according to the present invention performs a cross-coupling reaction of an aromatic compound (A) that has a leaving group and a compound (B) that can be cross-coupled in the presence of a palladium catalyst (C) and a base (D) in a state where a solvent is not substantially contained. This method for producing an aromatic compound comprises: a step in which a solution of the palladium catalyst (C) is prepared; and a step in which a cross-coupling reaction is carried out by adding and mixing the solution of the palladium catalyst (C) to and with a mixture that contains the aromatic compound (A) that has a leaving group, the compound (B) that can be cross-coupled, and the base (D).

IPC Classes  ?

  • C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons
  • C07B 61/00 - Other general methods
  • C07C 22/08 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings containing fluorine
  • C07C 25/18 - Polycyclic aromatic halogenated hydrocarbons
  • C07C 41/30 - Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
  • C07C 43/20 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
  • C07C 43/205 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring
  • C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
  • C07C 255/50 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
  • C07D 295/096 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings

18.

COMPOUND AND ANTISTATIC AGENT CONTAINING SAME AS ACTIVE INGREDIENT

      
Application Number JP2023021158
Publication Number 2023/238890
Status In Force
Filing Date 2023-06-07
Publication Date 2023-12-14
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sugiya Masashi
  • Furui Eri

Abstract

Provided is a compound that is stably immobilized on the surface of a resin while having excellent compatibility to the resin, and that is suitable as an antistatic agent that can express high antistatic performance even with a small quantity. The present invention provides a compound represented by general formula (1). (In the formula, R1, R2, and R3each independently represent a linear or branched alkyl group having 1-20 carbon atoms, R4 represents a linear or branched fluoroalkyl group having 1-20 carbon atoms, and A represents an anion having a fluorine atom.)

IPC Classes  ?

  • C07F 9/54 - Quaternary phosphonium compounds
  • C07C 381/06 - Compounds containing sulfur atoms only bound to two nitrogen atoms
  • C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09K 3/16 - Anti-static materials

19.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2023015906
Publication Number 2023/210525
Status In Force
Filing Date 2023-04-21
Publication Date 2023-11-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Watanabe Naoshi

Abstract

xyztp1+x1+x (1) (in the formula, M represents one or more metal elements selected from among Al, Zr, Cu, Fe, Sr, Ca, V, Mo, Bi, Nb, Si, Zn, Ga, Ge, Sn, Ba, W, Na, and K. x represents 0.98≤x≤1.20, y represents 0.30≤y<1.00, z represents 0

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • C01G 53/00 - Compounds of nickel
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy

20.

NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR MANUFACTURING SAME, AND COMPOSITE MATERIAL

      
Application Number JP2023006751
Publication Number 2023/181781
Status In Force
Filing Date 2023-02-24
Publication Date 2023-09-28
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Kato Takuma
  • Hata Toru

Abstract

xyztt (wherein: M represents a metal element having an atomic number of 11 or higher other than Cu, V, and Al; x satisfies 1.60 ≤ x ≤ 2.40, y satisfies 0.00 ≤ y ≤ 0.40, z satisfies 1.70 ≤ z ≤ 2.30, and t satisfies 6.00 ≤ t ≤ 9.00, provided that 1.00 ≤ x + y ≤ 3.00; and when an element M is contained, the number of moles in terms of Al atoms is greater than the number of moles in terms of M atoms).

IPC Classes  ?

  • C01G 31/00 - Compounds of vanadium
  • C01G 31/02 - Oxides
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
  • C08K 3/22 - OxidesHydroxides of metals

21.

METHOD FOR PRODUCING QUANTUM DOTS

      
Application Number JP2023010652
Publication Number 2023/182221
Status In Force
Filing Date 2023-03-17
Publication Date 2023-09-28
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sakanoue Tomo
  • Nakatsui Kazuhiro
  • Sugiya Masashi

Abstract

To provide a method for producing quantum dots having exceptional photostability by using an industrially advantageous method. Provided is a method for producing quantum dots, the method including a washing step for washing quantum dots using an organic solvent capable of dissolving impurities contained in the dispersion containing the quantum dots, and a surface protection step for adding a ligand that is a specific phosphine compound to the dispersion of washed quantum dots to protect the surface of the quantum dots using the ligand. The organic solvent in the washing step is preferably at least one selected from the group consisting of methanol, ethanol, acetone, 2-propanol, and acetonitrile.

IPC Classes  ?

  • C01B 25/08 - Other phosphides
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/62 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing gallium, indium or thallium
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures

22.

NEGATIVE THERMAL EXPANSION MATERIAL AND COMPOSITE MATERIAL

      
Application Number JP2023006527
Publication Number 2023/163057
Status In Force
Filing Date 2023-02-22
Publication Date 2023-08-31
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Kato Takuma
  • Fukazawa Junya
  • Hata Toru

Abstract

xyztt [wherein: 0

IPC Classes  ?

  • C01G 31/00 - Compounds of vanadium
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates

23.

NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR MANUFACTURING SAME, AND COMPOSITE MATERIAL

      
Application Number JP2023006528
Publication Number 2023/163058
Status In Force
Filing Date 2023-02-22
Publication Date 2023-08-31
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Kato Takuma
  • Hata, Toru

Abstract

xyabtt [wherein: M represents a metallic element having an atomic number of 11 or more, other than Cu and V; 1.60≤x≤2.40; 0.00≤y≤0.40; 1.60≤a≤2.40; 0.00≤b≤0.40; and 5.00≤t≤9.00, provided that 1.60≤x+y≤2.40 and 1.60≤a+b≤2.40] in which Li atoms are present as a solid solution.

IPC Classes  ?

  • C01G 31/02 - Oxides
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C01G 31/00 - Compounds of vanadium
  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates
  • C04B 35/45 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on copper oxide or solid solutions thereof with other oxides
  • C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates

24.

NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR PRODUCING SAME, AND PASTE

      
Application Number JP2022032588
Publication Number 2023/037930
Status In Force
Filing Date 2022-08-30
Publication Date 2023-03-16
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Inukai Motofumi

Abstract

The purpose of the present invention is to provide a negative thermal expansion material comprising zirconium phosphotungstate, from which a paste having a suitable viscosity can be produced when propylene carbonate is used as a solvent. The present invention is a negative thermal expansion material characterized by comprising at least surface-modified zirconium phosphotungstate particles which comprise zirconium phosphotungstate particles and hydrogen peroxide present on the surfaces of the zirconium phosphotungstate particles.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium

25.

METHOD FOR PRODUCING QUANTUM DOTS

      
Application Number JP2022031336
Publication Number 2023/026970
Status In Force
Filing Date 2022-08-19
Publication Date 2023-03-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sakanoue Tomo
  • Nakatsui Kazuhiro

Abstract

A method for producing quantum dots each having a core-shell structure that comprises an InP-based quantum dot as the core, the InP-based quantum dot being obtained by a reaction of at least a phosphorus source and an indium source, and a cover compound other than an InP-based compound as the shell, the quantum dots having excellent symmetry and excellent full width at half maximum (FWHM) of the emission spectrum. With respect to this method for producing quantum dots, it is preferable that the reaction for covering the core with the cover compound is carried out in a solvent that contains a plurality of kinds of amine derivatives, and it is also preferable that the cover compound is obtained by a reaction with at least a zinc source.

IPC Classes  ?

  • C01B 25/08 - Other phosphides
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/56 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing sulfur
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
  • H01L 33/26 - Materials of the light emitting region

26.

CONDUCTIVE PARTICLE, PRODUCTION METHOD THEREOF AND CONDUCTIVE MATERIAL

      
Application Number JP2022028716
Publication Number 2023/013465
Status In Force
Filing Date 2022-07-26
Publication Date 2023-02-09
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Inaba Hiroyuki
  • Takahashi Satoshi
  • Tasugi Naoya
  • Hoshino Kayo
  • Hisamochi Akihiro

Abstract

Conductive particles are provided which, while having excellent connection reliability, enable reducing connection resistance between electrodes by improving adhesion of a nickel plating film to core particles. In these conductive particles, which comprise a conductive layer formed on the surface of core particles, the withstand current value per single conductive particle when the compression rate is less than 5% is at least 1mA, and the withstand current value per single conductive particle when the compression rate is greater than or equal 5% is at least 10mA. These conductive particles enable film formation on the surface of the core particle at a stage earlier than the late-stage plating treatment.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • C23C 18/36 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents using hypophosphites
  • B22F 1/17 - Metallic particles coated with metal
  • B22F 1/18 - Non-metallic particles coated with metal

27.

LITHIUM SILICOPHOSPHATE POWDER AND METHOD FOR PRODUCING SAME

      
Application Number JP2022024262
Publication Number 2023/276712
Status In Force
Filing Date 2022-06-17
Publication Date 2023-01-05
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Suzuki Tamotsu
  • Inukai Motofumi

Abstract

x1-yy44 (1) (wherein x satisfies the requirement represented by the formula 3.00 ≤ x ≤ 4.00; and y satisfies the requirement represented by the formula 0.00 < y ≤ 1.00), and is characterized by having an average primary particle diameter of 0.1 to 1.5 μm when determined by scanning electron microscopic observation (SEM) and having a standard deviation σ of the particle diameters of 1.5 μm or less.

IPC Classes  ?

  • C01B 33/26 - Aluminium-containing silicates
  • C01B 33/32 - Alkali metal silicates
  • H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01M 10/052 - Li-accumulators
  • H01M 10/0562 - Solid materials

28.

COMPOSITION FOR FORMING DIELECTRIC CERAMIC, AND DIELECTRIC CERAMIC MATERIAL

      
Application Number JP2022019706
Publication Number 2022/239744
Status In Force
Filing Date 2022-05-09
Publication Date 2022-11-17
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Matsushita Akira
  • Kunieda Takehisa

Abstract

333)-type composite oxide.

IPC Classes  ?

  • C01G 23/00 - Compounds of titanium
  • C04B 35/468 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
  • H01B 3/12 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics

29.

METHOD FOR PRODUCING TRANSITION-METAL-CONTAINING LITHIUM-PHOSPHORUS-BASED COMPOSITE OXIDE, AND METHOD FOR PRODUCING TRANSITION-METAL-CONTAINING LITHIUM-PHOSPHORUS-BASED COMPOSITE OXIDE CARBON COMPLEX

      
Application Number JP2022019396
Publication Number 2022/239684
Status In Force
Filing Date 2022-04-28
Publication Date 2022-11-17
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

x11-y1y14x21-y2y2277, the method being characterized by comprising a first step for mixing at least lithium metaphosphate and an M source with a water-based solvent to produce a starting material mixture, a second step for subjecting the starting material mixture to a wet-mode pulverization treatment to produce a slurry containing a starting material pulverized product, a third step for spray-drying the slurry containing the starting material pulverized product by a spray dry method to produce a spray-dried powder, and a fourth step for burning the spray-dried powder.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium

30.

Positive electrode active substance for lithium secondary battery and lithium secondary battery

      
Application Number 17635521
Grant Number 11554968
Status In Force
Filing Date 2020-08-27
First Publication Date 2022-09-22
Grant Date 2023-01-17
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kikuchi, Masahiro

Abstract

An object of the present invention is to provide a positive electrode active substance for a lithium secondary battery, the positive electrode active substance, when being used as a positive electrode active substance for a lithium secondary battery, being little in deterioration of cycle characteristics and being high in the energy density retention rate, even in repetition of charge and discharge at high voltages, and a lithium secondary battery little in deterioration of cycle characteristics and high in the energy density retention rate, even in repetition of charge and discharge at high voltages. The positive electrode active substance for a lithium secondary battery comprises a lithium cobalt-based composite oxide particle having a Ti-containing compound and an Mg-containing compound adhered on at least part of the particle surface.

IPC Classes  ?

31.

METAL-CONTAINING COLLOIDAL SILICA AND MANUFACTURING METHOD THEREFOR

      
Application Number JP2022003249
Publication Number 2022/168746
Status In Force
Filing Date 2022-01-28
Publication Date 2022-08-11
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takahashi Yuzuki
  • Miyabe Shinsuke

Abstract

This metal-containing colloidal silica has a mixture layer obtained by dispersing a metal M in silica. The mixture layer is positioned between silica particles serving as a core and a silica layer located on the surface of the metal-containing colloidal silica. The metal M is at least one type of element selected from Au, Ag, Cu, Zn, Ti, Pt, Mg, Zr, Fe, Sr, Ca, V, Mo, Bi, Nb, Ga, Ge, Sn, Ba, W, Co, Ni, and Mn. The molar ratio (Si/M) of silicon to the metal M in a coating layer obtained by combining the mixture layer and the silica layer is 10-10,000. The metal M is uniformly and finely dispersed in the mixture layer.

IPC Classes  ?

  • C01B 33/14 - Colloidal silica, e.g. dispersions, gels, sols
  • C09C 3/06 - Treatment with inorganic compounds
  • A01P 1/00 - DisinfectantsAntimicrobial compounds or mixtures thereof
  • C09D 201/00 - Coating compositions based on unspecified macromolecular compounds
  • C09D 7/61 - Additives non-macromolecular inorganic
  • A01P 3/00 - Fungicides
  • A01N 59/16 - Heavy metalsCompounds thereof
  • A01N 59/20 - Copper

32.

METHOD FOR MANUFACTURING VANADIUM LITHIUM PHOSPHATE

      
Application Number JP2021047758
Publication Number 2022/145323
Status In Force
Filing Date 2021-12-23
Publication Date 2022-07-07
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

The purpose of the present invention is to provide a method for manufacturing vanadium lithium phosphate, said method enabling the acquisition of a product that is single-phase by X-ray diffraction, has a low specific surface area, i.e., a BET specific surface area of 10 m224422O (wherein x is an integer of 0-2), the primary particles thereof having an average particle size of 2.0 μm or less; step B for heating the carbon source-attached particles in an oxygen-containing atmosphere to give a reaction precursor; and step C for baking the reaction precursor in an inert gas atmosphere or reductive atmosphere at 500-1300°C to give vanadium lithium phosphate.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

33.

Optically active bisphosphinomethane, method for producing the same, and transition metal complex and asymmetric catalyst

      
Application Number 17620233
Grant Number 11498935
Status In Force
Filing Date 2020-06-09
First Publication Date 2022-06-30
Grant Date 2022-11-15
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Imamoto, Tsuneo
  • Tamura, Ken
  • Sano, Natsuhiro

Abstract

There is provided a novel optically active bisphosphinomethane useful as a ligand for an asymmetric catalyst, excellent in oxidation resistance in air, and easy in handling. There is also provided a transition metal complex using the optically active bisphosphinoraethane having excellent asymmetric catalytic ability as a ligand. The optically active bisphosphinomethane is represented by the general formula (1), and the transition metal complex has the optically active bisphosphinomethane as a ligand. 2 represents a branched alkyl group having 3 or more carbon atoms; and * represents an asymmetric center on a phosphorus atom.)

IPC Classes  ?

34.

Method for producing InP quantum dot precursor and method for producing InP-based quantum dot

      
Application Number 17601753
Grant Number 11692134
Status In Force
Filing Date 2020-03-26
First Publication Date 2022-06-23
Grant Date 2023-07-04
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui, Kazuhiro
  • Tsuzukiishi, Taiki
  • Sakanoue, Tomo

Abstract

The present invention relates to a method for producing an InP-based quantum dot precursor from a phosphorus source and an indium source, in which a silylphosphine compound represented by the following Formula (1) with a content of a compound represented by the following Formula (2) of 0.3 mol % or less is used as the phosphorus source. Further, the present invention provides a method for producing an InP-based quantum dot comprising heating an InP quantum dot precursor to a temperature of 200° C. or more and 350° C. or less to obtain an InP quantum dot. (R is as defined in the specification.)

IPC Classes  ?

  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • C01B 25/08 - Other phosphides
  • C07F 9/06 - Phosphorus compounds without P—C bonds
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures

35.

Method for producing indium carboxylate

      
Application Number 17602065
Grant Number 12060321
Status In Force
Filing Date 2020-03-26
First Publication Date 2022-06-23
Grant Date 2024-08-13
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui, Kazuhiro
  • Tsuzukiishi, Taiki

Abstract

x, wherein R is a straight chain or branched chain aliphatic group having 0 to 5 carbon atoms, and x is a number more than 0 and less than 3, with a lower carboxylic acid represented by the following Formula (2): R′COOH, wherein R′ is a hydrogen atom or a straight chain or branched chain aliphatic group having 1 to 5 carbon atoms, and the hydrogen atom in the aliphatic group may be replaced with a halogen atom, so as to obtain a product; and then reacting the product with a higher carboxylic acid having 12 or more carbon atoms.

IPC Classes  ?

  • C07C 51/41 - Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part

36.

Production method of biarylphosphine

      
Application Number 17600251
Grant Number 11453687
Status In Force
Filing Date 2020-03-30
First Publication Date 2022-06-02
Grant Date 2022-09-27
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tamura, Ken
  • Sawatsugawa, Yuki
  • Sano, Natsuhiro

Abstract

A production method by which a biarylphosphine useful as a Buchwald phosphine ligand can be obtained in high purity is provided through an industrially advantageous process. The production method of a biarylphosphine comprises a step A of reacting a lithiated product obtained through lithiation of a halogenated benzene derivative with a benzene derivative to obtain a biphenyl derivative, and a step B of the reacting the biphenyl derivative with a halogenated phosphine. In the step A, the charge molar ratio of the halogenated benzene derivative to the benzene derivative is preferably 1.0 to 5.0.

IPC Classes  ?

37.

METHOD FOR PRODUCING BARIUM TITANYL OXALATE AND METHOD FOR PRODUCING BARIUM TITANATE

      
Application Number JP2021041717
Publication Number 2022/107695
Status In Force
Filing Date 2021-11-12
Publication Date 2022-05-27
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tanno Kosuke
  • Kunieda Takehisa

Abstract

A method for producing barium titanyl oxalate, wherein barium titanyl oxalate is produced by mixing and reacting a solution containing oxalic acid (solution A) and a solution containing a titanium source and a barium source (solution B) with each other, said method being characterized by: separately supplying the solution A and the solution B to one end of a reaction liquid channel, mixing the solution A and the solution B with each other within the reaction liquid channel, discharging the reaction liquid from the other end of the reaction liquid channel, and subsequently performing solid-liquid separation of the reaction liquid; setting the residence time of the reaction liquid within the reaction liquid channel to 30 seconds or less; or separately supplying the solution A and the solution B to one end of the reaction liquid channel, mixing the solution A and the solution B with each other at the one end of the reaction liquid channel, moving the reaction liquid to the other end of the reaction liquid channel, while generating a vortex flow in the reaction liquid, discharging the reaction liquid from the other end of the reaction liquid channel, and subsequently performing solid-liquid separation of the reaction liquid.

IPC Classes  ?

  • C07C 51/41 - Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
  • C01G 23/00 - Compounds of titanium
  • C04B 35/468 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
  • C07C 55/06 - Oxalic acid
  • C07F 3/00 - Compounds containing elements of Groups 2 or 12 of the Periodic Table
  • C07F 7/28 - Titanium compounds

38.

METHOD OF PRODUCING MODIFIED LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE PARTICLES

      
Application Number JP2021040449
Publication Number 2022/097653
Status In Force
Filing Date 2021-11-02
Publication Date 2022-05-12
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Watanabe Naoshi

Abstract

xyztp1+x1+x [wherein: x satisfies 0.98≤x≤1.20; y satisfies 0.30≤y<1.00; z satisfies 0

IPC Classes  ?

  • C01G 53/00 - Compounds of nickel
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids

39.

Piezoelectric material filler, composite piezoelectric material, composite piezoelectric device, composite piezoelectric material filler, and method for producing alkali niobate compound

      
Application Number 17543093
Grant Number 11659768
Status In Force
Filing Date 2021-12-06
First Publication Date 2022-03-24
Grant Date 2023-05-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tanabe, Shinji
  • Kunita, Hajime
  • Kikuchi, Shunsuke

Abstract

Provided is a piezoelectric material filler including alkali niobate compound particles having a ratio (K/(Na+K)) of the number of moles of potassium to the total number of moles of sodium and potassium of 0.460 to 0.495 in terms of atoms and a ratio ((Li+Na+K)/Nb) of the total number of moles of alkali metal elements to the number of moles of niobium of 0.995 to 1.005 in terms of atoms. The present invention can provide a piezoelectric material filler having excellent piezoelectric properties, and a composite piezoelectric material including the piezoelectric material filler and a polymer matrix.

IPC Classes  ?

  • H10N 30/85 - Piezoelectric or electrostrictive active materials
  • C01G 33/00 - Compounds of niobium
  • H10N 30/853 - Ceramic compositions
  • H10N 30/097 - Forming inorganic materials by sintering
  • H10N 30/30 - Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
  • H01L 41/18 - Selection of materials for piezo-electric or electrostrictive elements
  • H01L 41/187 - Ceramic compositions
  • H01L 41/43 - Inorganic materials by sintering
  • H01L 41/113 - Piezo-electric or electrostrictive elements with mechanical input and electrical output

40.

COATED PARTICLES AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2021030187
Publication Number 2022/044913
Status In Force
Filing Date 2021-08-18
Publication Date 2022-03-03
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Naruhashi Tomonao

Abstract

The purpose of the present invention is to provide coated particles that can increase conduction reliability and insulation reliability. The coated particles comprise: conductive particles having a metal film formed on the surface of a core material; and insulating microparticles coating the conductive particles, wherein the insulating microparticles do not have a glass transition temperature, and have a sphericity of 0.90 or greater. The surface layer of the insulating microparticles is preferably a polymer containing a crosslinking monomer component, and is also preferably a polymer containing a monomer component having a functional group with an electric charge.

IPC Classes  ?

  • C08F 257/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group on to polymers of styrene or alkyl-substituted styrenes
  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations
  • H01R 43/00 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

41.

Method for producing lithium titanium phosphate

      
Application Number 17415127
Grant Number 11404720
Status In Force
Filing Date 2020-01-27
First Publication Date 2022-02-10
Grant Date 2022-08-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa, Junya
  • Hata, Toru
  • Kato, Takuma

Abstract

3 (1), and provided is a method comprising a first step of preparing a raw material mixed slurry (1) comprising, at least, titanium dioxide, phosphoric acid and a surfactant, a second step of heat treating the raw material mixed slurry (1) to obtain a raw material heat-treated slurry (2), a third step of mixing the raw material heat-treated slurry (2) with a lithium source to obtain a lithium-containing raw material heat-treated slurry (3), a fourth step of subjecting the lithium-containing raw material heat-treated slurry (3) to a spray drying treatment to obtain a reaction precursor containing, at least, Ti, P and Li, and a fifth step of firing the reaction precursor.

IPC Classes  ?

  • H01M 10/0562 - Solid materials
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • B01J 2/06 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium

42.

Modified zirconium phosphate tungstate, negative thermal expansion filler and polymer composition

      
Application Number 17435139
Grant Number 11332599
Status In Force
Filing Date 2020-02-28
First Publication Date 2022-02-10
Grant Date 2022-05-17
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa, Junya
  • Hata, Toru
  • Kato, Takuma

Abstract

2/g.

IPC Classes  ?

  • C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
  • C08K 9/02 - Ingredients treated with inorganic substances
  • C09C 1/00 - Treatment of specific inorganic materials other than fibrous fillers Preparation of carbon black
  • C09C 3/06 - Treatment with inorganic compounds
  • C09C 3/12 - Treatment with organosilicon compounds

43.

Phosphine for fumigation, method for producing same, and fumigation method

      
Application Number 17294460
Grant Number 12022834
Status In Force
Filing Date 2019-12-20
First Publication Date 2022-01-20
Grant Date 2024-07-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kawase, Hiroya

Abstract

4 content of 10 mass ppm or less and having a water content of 10 mass ppm or less.

IPC Classes  ?

  • A01N 59/26 - PhosphorusCompounds thereof
  • A01P 15/00 - Biocides for specific purposes not provided for in groups

44.

BARIUM TITANYL OXALATE, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING BARIUM TITANATE

      
Application Number JP2021022043
Publication Number 2021/251451
Status In Force
Filing Date 2021-06-10
Publication Date 2021-12-16
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tanno Kosuke
  • Kunieda Takehisa

Abstract

The present invention provides barium titanyl oxalate which makes it possible to obtain barium titanate that has a small particle size and that is highly crystalline. The present invention also provides a method for producing said barium titanyl oxalate in an industrially advantageous manner. The barium titanyl oxalate is characterized in that, in thermogravimetric analysis, the temperature at which the weight reduction rate reaches 99% of the weight reduction rate at 1000°C is 600-700°C. The method for producing said barium titanyl oxalate is a method for producing said barium titanyl oxalate by mixing and reacting a solution (liquid A) containing oxalic acid with a solution (liquid B) containing a titanium compound and a barium compound, and is characterized in that: first the liquid A is filled into a reactor vessel, and subsequently, while stirring the liquid A in the reactor vessel, the liquid B is mixed with the liquid A; and the time from when mixing of the liquid B into the liquid A starts to when said mixing ends is not more than 10 seconds.

IPC Classes  ?

  • C01G 23/00 - Compounds of titanium
  • C07C 51/41 - Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
  • C07C 55/06 - Oxalic acid
  • C07F 3/00 - Compounds containing elements of Groups 2 or 12 of the Periodic Table
  • C07F 7/28 - Titanium compounds

45.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2021019534
Publication Number 2021/246215
Status In Force
Filing Date 2021-05-24
Publication Date 2021-12-09
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kikuchi Masahiro

Abstract

344).

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

46.

METHOD FOR PRODUCING LITHIUM GERMANIUM PHOSPHATE

      
Application Number JP2021019533
Publication Number 2021/241479
Status In Force
Filing Date 2021-05-24
Publication Date 2021-12-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

1+xx2-x433 (In the formula, 0.0 < x ≤ 1.0 and M represents one or two or more divalent or trivalent metal elements selected from Al, Ga, Sc, Y, La, Fe, Cr, Ni, Mn, In, and Co.), the method for producing lithium germanium phosphate characterized by having a first step for preparing a starting material mixed solution in which an Li source, M source, Ge source, and P source are dissolved or dispersed in a solvent; a second step for preparing a reaction precursor by heat treating the starting material mixed solution to remove at least a portion of the solvent in the starting material mixed solution; and a third step for firing the reaction precursor, wherein the P source is phosphorous acid.

IPC Classes  ?

  • C01B 25/37 - Phosphates of heavy metals
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/0562 - Solid materials
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables

47.

METHOD FOR PRODUCING ELECTRICALLY CONDUCTIVE PARTICLES, AND ELECTRICALLY CONDUCTIVE PARTICLES

      
Application Number JP2021018784
Publication Number 2021/235433
Status In Force
Filing Date 2021-05-18
Publication Date 2021-11-25
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Matsumoto Chihiro
  • Takahashi Satoshi
  • Hisamochi Akihiro
  • Inaba Hiroyuki

Abstract

The purpose is to provide a method for producing electrically conductive particles, in which the quality of the electrically conductive particles is less affected and the cost for the production of the electrically conductive particles is reduced. The method for producing electrically conductive particles comprises a step for heating electrically conductive particles each comprising a core material particle and an electrically conductive layer formed on the surface of the core material particle at a temperature of 200 to 600°C under vacuum of 1000 Pa or less. The time of heating is preferably 0.1 to 10 hours. The core material particle is preferably formed from a material comprising an inorganic substance, an organic substance or both of an inorganic substance and an organic substance, and the electrically conductive layer preferably comprises at least one component selected from nickel, gold, a nickel alloy and a gold alloy.

IPC Classes  ?

  • C23C 18/31 - Coating with metals
  • B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
  • C23C 18/36 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents using hypophosphites
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

48.

ELECTRICALLY CONDUCTIVE PARTICLE, AND ELECTRICALLY CONDUCTIVE MATERIAL AND CONNECTION STRUCTURE OBTAINED USING SAME

      
Application Number JP2021018786
Publication Number 2021/235435
Status In Force
Filing Date 2021-05-18
Publication Date 2021-11-25
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takahashi Satoshi
  • Tasugi Naoya
  • Naruhashi Tomonao

Abstract

The present invention provides an electrically conductive particle which exhibits excellent storage stability, excellent corrosion resistance and low connection resistance, and in which a nickel plating layer is formed as an electrically conductive layer on the surface of a core particle. The molar ratio of the amount of carbon relative to the total amount of nickel and phosphorus (C/(Ni+P)) or the molar ratio of the amount of carbon relative to nickel and boron (C/(Ni+B)) is 0.0002-1.65, the molar ratio of the amount of oxygen relative to the total amount of nickel and phosphorus (O/(Ni+P)) or the molar ratio of the amount of oxygen relative to the total amount of nickel and boron (O/(Ni+B)) is 0.0001-1.8, and the molar ratio of phosphorus relative to nickel (P/Ni) or the molar ratio of boron relative to nickel (B/Ni) is 0.003-0.7 in a region within 5 nm in the depth direction from a surface of the electrically conductive layer, as measured using a scanning Auger electron spectroscope.

IPC Classes  ?

  • C23C 18/36 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents using hypophosphites
  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
  • C23C 18/31 - Coating with metals
  • C23C 18/34 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents
  • C23C 18/52 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating using reducing agents for coating with metallic material not provided for in a single one of groups
  • G01N 27/62 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

49.

ELECTROCONDUCTIVE PARTICLES, AND ELECTROCONDUCTIVE MATERIAL AND CONNECTION STRUCTURE USING SAME

      
Application Number JP2021018785
Publication Number 2021/235434
Status In Force
Filing Date 2021-05-18
Publication Date 2021-11-25
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Matsumoto Chihiro
  • Tasugi Naoya
  • Hoshino Kayo
  • Yamamoto Masahiro
  • Inaba Hiroyuki

Abstract

Provided are electroconductive particles having a small connection resistance and excellent connection reliability, the electroconductive particles each having an electroconductive layer on the surface of a core particle, wherein: the maximum compressive hardness of the electroconductive particles is 22,000 N/mm2or greater, and the compressive hardness reaches the maximum value thereof with a compression rate of less than 5%; the average compressive hardness when the compression rate is 20%-50% is 5,000-18,000 N/mm2, and the ratio of the maximum compressive hardness to the average compressive hardness when the compression rate is 20%-50% is 2.0-10.0; and when the electroconductive particles are compressed at a load application rate of 0.33 mN/sec, the load at which the electroconductive layer breaks is 3.0 mN or greater.

IPC Classes  ?

  • C23C 18/31 - Coating with metals
  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
  • C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
  • C23C 18/36 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents using hypophosphites
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations
  • H01R 43/00 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

50.

Positive electrode active substance for lithium secondary battery, method for producing the same and lithium secondary battery

      
Application Number 17273417
Grant Number 11646408
Status In Force
Filing Date 2019-10-09
First Publication Date 2021-10-21
Grant Date 2023-05-09
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Kikuchi, Masahiro
  • Naruhashi, Tomonao
  • Fukuchi, Minoru

Abstract

The positive electrode active substance for a lithium secondary battery includes a mixture of a lithium cobalt composite oxide particle and an inorganic fluoride particle. The method for producing a positive electrode active substance for a lithium secondary battery includes a first step of subjecting a lithium cobalt composite oxide particle and an inorganic fluoride particle to a mixing treatment to thereby obtain a mixture of the lithium cobalt composite oxide particle and the inorganic fluoride particle. The lithium secondary battery uses, as a positive electrode active substance, the positive electrode active substance for a lithium secondary battery of the present invention.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 10/052 - Li-accumulators
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

51.

Positive electrode active substance for lithium secondary battery, method for producing the same and lithium secondary battery

      
Application Number 17273396
Grant Number 11145862
Status In Force
Filing Date 2019-10-09
First Publication Date 2021-10-07
Grant Date 2021-10-12
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Kikuchi, Masahiro
  • Naruhashi, Tomonao
  • Fukuchi, Minoru

Abstract

The positive electrode active substance for a lithium secondary battery includes a mixture of a titanium-containing lithium cobalt composite oxide particle and an inorganic fluoride particle. The method for producing a positive electrode active substance for a lithium secondary battery includes a first step of subjecting a titanium-containing lithium cobalt composite oxide particle and an inorganic fluoride particle to a mixing treatment to thereby obtain a mixture of the titanium-containing lithium cobalt composite oxide particle and the inorganic fluoride particle. The lithium secondary battery uses, as a positive electrode active substance, the positive electrode active substance for a lithium secondary battery of the present invention.

IPC Classes  ?

  • H01M 4/52 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
  • H01M 4/04 - Processes of manufacture in general
  • H01M 10/05 - Accumulators with non-aqueous electrolyte
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 4/02 - Electrodes composed of, or comprising, active material

52.

Method for producing lithium cobalt phosphate and method for producing lithium cobalt phosphate-carbon composite

      
Application Number 17253780
Grant Number 11261090
Status In Force
Filing Date 2019-06-27
First Publication Date 2021-08-19
Grant Date 2022-03-01
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Fukazawa, Junya

Abstract

4 (1), wherein 0.8≤x≤1.2 and 0≤y≤0.5, and M represents one or two or more metal elements selected from the group consisting of Mg, Zn, Cu, Fe, Cr, Mn, Ni, Al, B, Na, K, F, Cl, Br, I, Ca, Sr, Ba, Ti, Zr, Hf, Nb, Ta, Y, Yb, Si, S, Mo, W, V, Bi, Te, Pb, Ag, Cd, In, Sn, Sb, Ga, Ge, La, Ce, Nd, Sm, Eu, Tb, Dy, and Ho; the method comprising: a first step of adding an organic acid and cobalt hydroxide to a water solvent, and then adding phosphoric acid and lithium hydroxide thereto to prepare an aqueous raw material slurry (1); a second step of wet-pulverizing the aqueous raw material slurry (1) with a media mill to obtain a slurry (2) containing a pulverized product of raw materials; a third step of spray-drying the slurry (2) containing the pulverized product of raw materials to obtain a reaction precursor; and a fourth step of firing the reaction precursor. According to the present invention, a single-phase lithium cobalt phosphate in X-ray diffraction analysis can be obtained by an industrially advantageous method.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium

53.

Phosphine transition metal complex, method for producing same, and anticancer agent

      
Application Number 17269318
Grant Number 11180516
Status In Force
Filing Date 2019-09-26
First Publication Date 2021-08-19
Grant Date 2021-11-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui, Kazuhiro
  • Ono, Chiaki
  • Oohara, Nobuhiko
  • Imamoto, Tsuneo
  • Konishi, Hiroaki
  • Abutani, Hikaru

Abstract

The phosphine transition metal complex of the present invention is represented by formula (1). 10 are identical groups, and n and y are identical numbers. The phosphine transition metal complex is suitably obtained by reacting a phosphine derivative represented by formula (2) and a phosphine derivative represented by formula (3) with a salt of a transition metal of gold, copper or silver. See the description for the meanings of the symbols in each formula.

IPC Classes  ?

54.

Negative thermal expansion material, manufacturing method and composite material thereof

      
Application Number 16973951
Grant Number 11384024
Status In Force
Filing Date 2019-06-14
First Publication Date 2021-08-12
Grant Date 2022-07-12
Owner Nippon Chemical Industrial Co., Ltd. (Japan)
Inventor
  • Fukazawa, Junya
  • Hata, Toru

Abstract

−6/K. According to the present invention, a negative thermal expansion material made of zirconium phosphate tungstate having various thermal expansion coefficients, and an industrially advantageous manufacturing method thereof can be provided.

IPC Classes  ?

  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C01B 25/37 - Phosphates of heavy metals

55.

ELECTRICALLY CONDUCTIVE ADHESIVE, AND JOINED STRUCTURE AND ELECTRONIC COMPONENT USING SAME

      
Application Number JP2020048338
Publication Number 2021/140926
Status In Force
Filing Date 2020-12-24
Publication Date 2021-07-15
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tokutake Mari
  • Abe Shinji

Abstract

Provided are: an electrically conductive adhesive which exhibits excellent adhesive properties and storage stability and which is obtained using an ultraviolet radiation-curable resin; and a joined structure and electronic component obtained using the electrically conductive adhesive. This electrically conductive adhesive contains a (meth)acrylate (A), a photopolymerization initiator (B), a phosphoric acid group-containing monomer (C), a polyester resin (D) that is soluble in an organic solvent, and electrically conductive particles (E). The phosphoric acid group-containing monomer (C) is preferably a phosphoric acid group-containing (meth)acrylate. The polyester resin (D) is preferably an amorphous polyester resin.

IPC Classes  ?

  • C09J 4/02 - Acrylmonomers
  • C09J 9/02 - Electrically-conducting adhesives
  • C09J 11/04 - Non-macromolecular additives inorganic
  • C09J 11/06 - Non-macromolecular additives organic
  • C09J 167/00 - Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chainAdhesives based on derivatives of such polymers
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/20 - Conductive material dispersed in non-conductive organic material
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber

56.

Covered particle

      
Application Number 16973868
Grant Number 11311934
Status In Force
Filing Date 2019-06-26
First Publication Date 2021-06-10
Grant Date 2022-04-26
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Naruhashi, Tomonao
  • Inaba, Hiroyuki

Abstract

The present invention provides covered particles wherein insulating layers cover the surfaces of electroconductive particles, and the covered particles are excellent in the adhesion between the surfaces of the electroconductive particles and the insulating layers. The covered particles includes: electroconductive particles in which metal films are formed on the surfaces of core materials, and a triazole-based compound is disposed on the outer surfaces on the sides opposite to the core materials in the metal films; and insulating layers covering the electroconductive particles, and the insulating layers comprise a compound having phosphonium groups.

IPC Classes  ?

  • B22F 1/18 - Non-metallic particles coated with metal
  • C08L 25/14 - Copolymers of styrene with unsaturated esters
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • C09D 125/08 - Copolymers of styrene
  • C08F 212/08 - Styrene
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • C08J 3/12 - Powdering or granulating
  • C08K 3/08 - Metals
  • C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
  • B22F 1/17 - Metallic particles coated with metal
  • B22F 1/102 - Metallic powder coated with organic material

57.

Process for producing silyl phosphine compound and silyl phosphine compound

      
Application Number 17161032
Grant Number 11512103
Status In Force
Filing Date 2021-01-28
First Publication Date 2021-06-10
Grant Date 2022-11-29
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takubo, Yosuke
  • Tamura, Ken

Abstract

The silyl phosphine compound is represented by the following general formula (1). A content of a compound represented by the following general formula (2) is not more than 0.3 mol %. In the general formula (1), each R is independently an alkyl group having not less than 1 and not more than 5 carbon atoms or an aryl group having not less than 6 and not more than 10 carbon atoms. In the general formula (2), R is the same as in the general formula (1).

IPC Classes  ?

  • C07F 9/06 - Phosphorus compounds without P—C bonds

58.

METHOD FOR PRODUCING PHOSPHINOBENZENE BORANE DERIVATIVE, METHOD FOR PRODUCING 1,2-BIS(DIALKYLPHOSPHINO)BENZENE DERIVATIVE, AND TRANSITION METAL COMPLEX

      
Application Number 17058221
Status Pending
Filing Date 2019-05-20
First Publication Date 2021-05-27
Owner Nippon Chemical Industrial Co., Ltd. (Japan)
Inventor Tamura, Ken

Abstract

A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): obtaining liquid B containing a phosphine borane compound obtained by deprotonating a hydrogen-phosphine borane compound represented by the following general formula (2): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): obtaining liquid B containing a phosphine borane compound obtained by deprotonating a hydrogen-phosphine borane compound represented by the following general formula (2): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): obtaining liquid B containing a phosphine borane compound obtained by deprotonating a hydrogen-phosphine borane compound represented by the following general formula (2): and then adding the liquid B to the liquid A to be allowed to react to thereby obtain the phosphinobenzene borane derivative represented by the following general formula (3): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): obtaining liquid B containing a phosphine borane compound obtained by deprotonating a hydrogen-phosphine borane compound represented by the following general formula (2): and then adding the liquid B to the liquid A to be allowed to react to thereby obtain the phosphinobenzene borane derivative represented by the following general formula (3): A method for producing a phosphinobenzene borane derivative comprises a reaction step (A) of obtaining liquid A containing a 1,2-dihalogenobenzene represented by the following general formula (1): obtaining liquid B containing a phosphine borane compound obtained by deprotonating a hydrogen-phosphine borane compound represented by the following general formula (2): and then adding the liquid B to the liquid A to be allowed to react to thereby obtain the phosphinobenzene borane derivative represented by the following general formula (3): According to the present invention, there can be provided the industrially advantageous method for producing the phosphinobenzene borane derivative.

IPC Classes  ?

59.

CONDUCTIVE PARTICLES, METHOD FOR MANUFACTURING SAME, AND CONDUCTIVE MATERIAL CONTAINING SAME

      
Application Number JP2020042255
Publication Number 2021/095803
Status In Force
Filing Date 2020-11-12
Publication Date 2021-05-20
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Tasugi Naoya

Abstract

Provided are conductive particles each obtained by forming a conductive layer on the surface of a core particle, wherein the highest value of compressive hardness of the conductive particles is 24000 N/mm2or more, the compressive hardness shows the highest value at a compression rate of less than 5%, the mean value of compressive hardness at compression rates of 20-50% is 5000-18000 N/mm2, and the ratio of the highest value of compressive hardness to the mean value of compressive hardness at compression rates of 20-50% is 1.5-10.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • C23C 18/34 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

60.

ELECTRICALLY CONDUCTIVE PARTICLES, PRODUCTION METHOD FOR SAME, AND ELECTRICALLY CONDUCTIVE MATERIAL INCLUDING SAME

      
Application Number JP2020042256
Publication Number 2021/095804
Status In Force
Filing Date 2020-11-12
Publication Date 2021-05-20
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Tasugi Naoya

Abstract

Electrically conductive particles according to the present invention are obtained by forming electrically conductive layers on the surfaces of core material particles. The electrically conductive particles exhibit a highest value of compressive hardness of not less than 14700 N/mm2and exhibit a highest value of compressive hardness at a compression rate of less than 5%. An average value of compressive hardness at a compression rate of 20-50% is not less than 1300 N/mm2but less than 5000 N/mm2. The ratio of the highest value of compressive hardness with respect to the average value of compressive hardness at a compression rate of 20-50% is 1.5-50.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • C23C 18/34 - Coating with one of iron, cobalt or nickelCoating with mixtures of phosphorus or boron with one of these metals using reducing agents
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

61.

PHOTOSINTERING COMPOSITION AND METHOD OF FORMING CONDUCTIVE FILM USING THE SAME

      
Application Number 17054246
Status Pending
Filing Date 2019-04-17
First Publication Date 2021-05-13
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tokutake, Mari
  • Abe, Shinji

Abstract

Provided is a photosintering composition including: a cuprous oxide particle comprising at least one additive element selected from the group consisting of tin, manganese, vanadium, cerium, iron and silver; a metal particle having a volume resistivity at 20° C. of 1.0×10−3 ω·cm or less; and a solvent.

IPC Classes  ?

  • B22F 3/10 - Sintering only
  • B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
  • B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys

62.

Coated particles and production method therefor

      
Application Number 16605376
Grant Number 11407863
Status In Force
Filing Date 2018-04-25
First Publication Date 2021-04-29
Grant Date 2022-08-09
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Naruhashi, Tomonao
  • Sano, Natsuhiro
  • Furui, Eri

Abstract

A coated particle according to the present invention is a coated particle containing a conductive metal-coated particle having a metal film formed on a surface of a core material, the conductive metal-coated particle coated with an insulation layer containing a polymer, wherein the insulation layer has a phosphonium group. The insulation layer preferably contains an insulating fine particle and the fine particle has a phosphonium group on a surface thereof, or the insulation layer is preferably a film having a phosphonium group. In addition, the metal is preferably at least one selected from nickel, gold, nickel alloys, and gold alloys. The polymer constituting the insulation layer is preferably at least one polymerized product selected from styrenes, esters, and nitriles.

IPC Classes  ?

  • C08J 3/12 - Powdering or granulating
  • B22F 1/102 - Metallic powder coated with organic material
  • C08F 230/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
  • C08J 3/09 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
  • B22F 1/16 - Metallic particles coated with a non-metal

63.

CONDUCTIVE ADHESIVE, AND ADHESIVE STRUCTURE AND ELECTRONIC COMPONENT USING SAME

      
Application Number JP2020039297
Publication Number 2021/079852
Status In Force
Filing Date 2020-10-19
Publication Date 2021-04-29
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tokutake Mari
  • Abe Shinji

Abstract

The purpose of the present invention is to provide a conductive adhesive using an ultraviolet curing resin, said conductive adhesive having excellent adhesiveness and high storage stability, and an adhesive structure and an electronic component in which the conductive adhesive is used. A conductive adhesive comprising: a (meth)acrylate (A); a photopolymerization initiator (B); a phosphate group-containing monomer (C); a phosphate ion inactivator (D); and conductive particles (E). As the phosphate ion inactivator (D), a compound which adsorbs phosphate ions and thus inactivates the same and/or a compound which reacts with phosphate ions and thus inactivates the same can be preferably used.

IPC Classes  ?

  • C09J 4/02 - Acrylmonomers
  • C09J 9/02 - Electrically-conducting adhesives
  • C09J 11/04 - Non-macromolecular additives inorganic
  • C09J 11/06 - Non-macromolecular additives organic
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber

64.

METHOD FOR PRODUCING MODIFIED LITHIUM-COBALT-BASED COMPOSITE OXIDE PARTICLES

      
Application Number JP2020032372
Publication Number 2021/049309
Status In Force
Filing Date 2020-08-27
Publication Date 2021-03-18
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kikuchi Masahiro

Abstract

Provided is a method for producing modified lithium-cobalt-based composite oxide particles which, when used as a positive electrode active material for a lithium secondary battery, can improve cycle properties and an energy density retention rate under a high voltage. A method for producing a modified lithium-cobalt-based composite oxide, characterized by comprising step (A1) of bringing lithium-cobalt-based composite oxide particles into contact with a surface treatment solution containing a titanium chelate compound and then subjecting the resultant product to a heat treatment, thereby producing modified lithium-cobalt-based composite oxide particles (a1).

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

65.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2020032373
Publication Number 2021/049310
Status In Force
Filing Date 2020-08-27
Publication Date 2021-03-18
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kikuchi Masahiro

Abstract

The purpose of the present invention is to provide: a positive electrode active material for lithium secondary batteries, said positive electrode active material being suppressed in cycle deterioration even if charging and discharging at a high voltage are repeated, while having high energy density retention rate if used as a positive electrode active material of a lithium secondary battery; and a lithium secondary battery which is suppressed in cycle deterioration even if charging and discharging at a high voltage are repeated, while having high energy density retention rate. A positive electrode active material for lithium secondary batteries, said positive electrode active material being characterized by being composed of lithium-cobalt composite oxide particles wherein a Ti-containing compound and an Mg-containing compound adhere to at least a part of the surface of each particle.

IPC Classes  ?

  • C01G 51/00 - Compounds of cobalt
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

66.

2,3-bisphosphinopyrazine derivative, method for producing same, transition metal complex, asymmetric catalyst, and method for producing organic boron compound

      
Application Number 16960374
Grant Number 11084835
Status In Force
Filing Date 2019-03-01
First Publication Date 2021-02-18
Grant Date 2021-08-10
Owner
  • NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
Inventor
  • Ito, Hajime
  • Iwamoto, Hiroaki
  • Imamoto, Tsuneo
  • Tamura, Ken
  • Sano, Natsuhiro

Abstract

6 represents a monovalent substituent, n denotes an integer of 0 to 2.

IPC Classes  ?

  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C07F 9/50 - Organo-phosphines
  • B01J 31/16 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
  • B01J 31/24 - Phosphines

67.

Me ELEMENT-SUBSTITUTED ORGANIC ACID TITANYL BARIUM, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING TITANIUM-BASED PEROVSKITE-TYPE CERAMIC RAW MATERIAL POWDER

      
Application Number JP2020027199
Publication Number 2021/010368
Status In Force
Filing Date 2020-07-13
Publication Date 2021-01-21
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Matsushita Akira
  • Murata Tomoharu
  • Kunieda Takehisa

Abstract

An Me element-substituted organic acid titanyl barium powder that is Me element-substituted organic acid titanyl barium in which some of the Ba sites are substituted by an Me element (Me represents at least one selected from Ca, Sr, and Mg), characterized in that the molar ratio ((Ba + Me)/Ti) of the total of Ba and Me element to Ti is 0.980 to less than 0.999 and the molar ratio (Me/Ba) of Me element to Ba is 0.001 to 0.250.

IPC Classes  ?

  • C01G 23/00 - Compounds of titanium
  • C07C 55/07 - Salts thereof
  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C04B 35/468 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates

68.

Silyl phosphine compound, process for producing silyl phosphine compound and process for producing InP quantum dots

      
Application Number 16979340
Grant Number 11578266
Status In Force
Filing Date 2019-03-20
First Publication Date 2021-01-07
Grant Date 2023-02-14
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takubo, Yosuke
  • Tamura, Ken
  • Nakatsui, Kazuhiro

Abstract

The silyl phosphine compound of the present invention is represented by the formula (1) and has an arsenic content of not more than 1 ppm. The process for producing a silyl phosphine compound of the present invention is a process comprising mixing a basic compound, a silylating agent and phosphine to obtain a solution containing a silyl phosphine compound, removing a solvent from the solution to obtain a concentrated solution of a silyl phosphine compound, and distilling the concentrated solution, wherein an arsenic content in the phosphine is adjusted to not more than 1 ppm by volume in terms of arsine. The process for producing InP quantum dots of the present invention uses, as a phosphorus source, a silyl phosphine compound represented by the formula (1) and having an arsenic content of not more than 1 ppm by mass. (For definition of R, see the specification.)

IPC Classes  ?

  • C07F 9/06 - Phosphorus compounds without P—C bonds
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07F 9/50 - Organo-phosphines
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • C01B 25/08 - Other phosphides

69.

OPTICALLY ACTIVE BISPHOSPHINO METHANE AND PRODUCTION METHOD THEREFOR, AND TRANSITION METAL COMPLEX AND ASYMMETRIC CATALYST

      
Application Number JP2020022667
Publication Number 2020/261974
Status In Force
Filing Date 2020-06-09
Publication Date 2020-12-30
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Imamoto Tsuneo
  • Tamura Ken
  • Sano Natsuhiro

Abstract

Provided is a novel optically active bisphosphine methane that is useful as a ligand for an asymmetric catalyst, has excellent oxidation resistance in the air, and is easy to handle. Also, provided is a transition metal complex using, as a ligand, an optically active bisphosphine methane having an excellent asymmetric catalytic ability. This optically active bisphosphino methane is represented by general formula (1), and this transition metal catalyst contains the optically active bisphosphino methane as a ligand. (In the formula, R1represents an adamantyl group, R2 represents a branched alkyl group having three or more carbon atoms, and * represents an asymmetric center on the phosphorus atom.)

IPC Classes  ?

  • C07C 231/12 - Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
  • C07C 233/05 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 233/47 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
  • C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
  • C07B 61/00 - Other general methods
  • C07C 67/303 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by hydrogenation of unsaturated carbon-to-carbon bonds
  • C07F 9/50 - Organo-phosphines
  • B01J 31/24 - Phosphines
  • C07C 69/34 - Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
  • C07C 69/734 - Ethers

70.

MODIFIED ZIRCONIUM PHOSPHATE TUNGSTATE, FILLER HAVING NEGATIVE THERMAL EXPANSION, AND POLYMER COMPOSITION

      
Application Number JP2020022671
Publication Number 2020/261976
Status In Force
Filing Date 2020-06-09
Publication Date 2020-12-30
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

Provided is a modified zirconium phosphate tungstate in which elution of zirconium ions, tungsten ions and phosphorus ions in a zirconium phosphate tungstate is suppressed, and which can be advantageously used as a filler that has negative thermal expansion and that is incorporated in a polymer compound. In this modified zirconium phosphate tungstate, zirconium phosphate tungstate particle surfaces are coated with a titanate-based coupling agent. The BET specific surface area of the particles is preferably 0.1-50 m2/g. The average particle diameter of the particles is preferably 0.02-50 μm.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C01G 41/00 - Compounds of tungsten
  • C09C 3/12 - Treatment with organosilicon compounds
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 3/32 - Phosphorus-containing compounds

71.

Optically active substituted 2,3-bisphosphinoquinoxalines and processes for producing the same

      
Application Number 16641845
Grant Number 11053265
Status In Force
Filing Date 2018-09-28
First Publication Date 2020-12-03
Grant Date 2021-07-06
Owner
  • NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
Inventor
  • Ito, Hajime
  • Iwamoto, Hiroaki
  • Imamoto, Tsuneo
  • Tamura, Ken

Abstract

An optically active 2,3-bisphosphinopyrazine derivative represented by the following general formula (1): 3 represents a monovalent substituent; n represents an integer of 0 to 4; and * represents an asymmetric center on a phosphorus atom.

IPC Classes  ?

  • C07D 241/44 - Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
  • C07F 9/6509 - Six-membered rings
  • B01J 31/24 - Phosphines
  • C07F 5/02 - Boron compounds

72.

METHOD FOR PRODUCING INDIUM CARBOXYLATE

      
Application Number JP2020013618
Publication Number 2020/213359
Status In Force
Filing Date 2020-03-26
Publication Date 2020-10-22
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui Kazuhiro
  • Tsuzukiishi Taiki

Abstract

3-xxx (in the formula, R is a linear or branched aliphatic group having 0-5 carbon atoms, and x is a number greater than 0 and less than 3) with a lower carboxylic acid represented by formula (2): R'COOH (in the formula, R1 is a hydrogen atom or a linear or branched aliphatic group having 1-5 carbon atoms, and the hydrogen atom in the aliphatic group may be substituted with a halogen atom), and then the product is reacted with a higher carboxylic acid having at least 12 carbon atoms.

IPC Classes  ?

  • C07C 51/41 - Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part
  • C07C 53/126 - Acids containing more than four carbon atoms
  • C07F 5/00 - Compounds containing elements of Groups 3 or 13 of the Periodic Table

73.

METHOD FOR PRODUCING InP QUANTUM DOT PRECURSORS AND METHOD FOR PRODUCING InP QUANTUM DOTS

      
Application Number JP2020013797
Publication Number 2020/213365
Status In Force
Filing Date 2020-03-26
Publication Date 2020-10-22
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui Kazuhiro
  • Tsuzukiishi Taiki
  • Sakanoue Tomo

Abstract

The present invention pertains to a method for producing InP quantum dot precursors from a phosphorus source and an indium source, wherein a silylphosphine compound represented by general formula (1), which contains a compound represented by general formula (2) in an amount of 0.3 mol% or less, is used as the phosphorus source. Further, the present invention provides a method for producing InP quantum dots, said method comprising heating the InP quantum dot precursors at a temperature of 200-350°C inclusive to thereby give InP quantum dots. (R is as defined in the description.)

IPC Classes  ?

  • C01B 19/00 - SeleniumTelluriumCompounds thereof
  • C01B 25/08 - Other phosphides
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
  • C09K 11/71 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing alkaline earth metals
  • C09K 11/74 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
  • C09K 11/75 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures

74.

METHOD FOR PRODUCING BIARYLPHOSPHINE

      
Application Number JP2020014640
Publication Number 2020/203988
Status In Force
Filing Date 2020-03-30
Publication Date 2020-10-08
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tamura Ken
  • Sawatsugawa Yuki
  • Sano Natsuhiro

Abstract

Provided is a method by which a biarylphosphine useful as a Buchwald phosphine ligand can be obtained with high purity in an industrially advantageous manner. The method for producing a biarylphosphine comprises: a step A of lithiating a halogenated benzene derivative and reacting the resulting lithiated product with a benzene derivative to obtain a biphenyl derivative; and a step B of reacting the biphenyl derivative with a halogenated phosphine. In the step A, it is preferable that the charge molar ratio of the halogenated benzene derivative to the benzene derivative be 1.0-5.0.

IPC Classes  ?

  • C07C 41/22 - Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogenPreparation of ethers by reactions not forming ether-oxygen bonds by substitution of halogen atoms by other halogen atoms
  • C07C 43/225 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
  • C07F 9/50 - Organo-phosphines

75.

MODIFIED ZIRCONIUM PHOSPHATE TUNGSTATE, NEGATIVE THERMAL EXPANSION FILLER AND POLYMER COMPOSITION

      
Application Number JP2020008453
Publication Number 2020/179703
Status In Force
Filing Date 2020-02-28
Publication Date 2020-09-10
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

A modified zirconium phosphate tungstate is provided which effectively suppresses the elution of phosphorus ions even when in contact with water, enables excellent performance as a negative thermal expansion filler, can be dispersed in a resin or other polymer compound, and enables successfully producing a low thermal expansion material that contains a negative thermal expansion filler. In this modified zirconium phosphate tungstate, the surface of zirconium phosphate tungstate particles is covered by an inorganic compound containing one or more elements (M) selected from Zn, Si, Al, Ba, Ca, Mg, Ti, V, Sn, Co, Fe and Zr. Preferably, the BET specific surface area of the zirconium phosphate tungstate particles is 0.1 m2/g-50 m2g.

IPC Classes  ?

  • C01B 25/37 - Phosphates of heavy metals
  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 3/24 - AcidsSalts thereof
  • C08K 3/32 - Phosphorus-containing compounds

76.

Process for preparing optically active 2,3-bisphosphino-substituted quinoxalines

      
Application Number 16636479
Grant Number 11021500
Status In Force
Filing Date 2018-07-24
First Publication Date 2020-08-06
Grant Date 2021-06-01
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Imamoto, Tsuneo

Abstract

There is provided a method for producing a 2,3-bisphosphinopyrazine derivative, the method comprising a first step of adding a base to a liquid comprising: 2,3-dihalogenopyrazine represented by the following general formula (1); a hydrogen-phosphine borane compound represented by the following general formula (2); and a deboranating agent, and allowing the resultant to react to thereby obtain the 2,3-bisphosphinopyrazine derivative represented by the following general formula (3). According to the present invention, a method for producing the industrially advantageous 2,3-bisphosphinopyrazine derivative can be provided.

IPC Classes  ?

  • C07D 241/44 - Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
  • C07F 9/6509 - Six-membered rings
  • C07F 1/00 - Compounds containing elements of Groups 1 or 11 of the Periodic Table

77.

METHOD FOR PRODUCING LITHIUM TITANIUM PHOSPHATE

      
Application Number JP2020002782
Publication Number 2020/158666
Status In Force
Filing Date 2020-01-27
Publication Date 2020-08-06
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru
  • Kato Takuma

Abstract

1+xx1-yy2-x433, is characterized by including: a first step for preparing a raw material mixture slurry (1) containing at least titanium dioxide, phosphoric acid, a surfactant and a solvent; a second step for heat treating the raw material mixture slurry (1) so as to obtain a heat treated raw material slurry (2); a third step for mixing a lithium source with the heat treated raw material slurry (2) so as to obtain a lithium-containing heat treated raw material slurry (3); a fourth step for spray drying the lithium-containing heat treated raw material slurry (3) so as to obtain a reaction precursor containing at least Ti, P and Li; and a fifth step for firing the reaction precursor.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 10/052 - Li-accumulators
  • H01M 10/0562 - Solid materials
  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables

78.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2020000758
Publication Number 2020/149244
Status In Force
Filing Date 2020-01-10
Publication Date 2020-07-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kikuchi Masahiro

Abstract

xyz1–y–z1+x1+x (1) (where in the formula, x is 0.98 ≤ x ≤ 1.20, y is 0.50 ≤ y < 1.00, and z is 0 < z ≤ 0.50), and inorganic fluoride particles.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

79.

PHOSPHINE FOR FUMIGATION, METHOD FOR PRODUCING SAME, AND FUMIGATION METHOD

      
Document Number 03120437
Status Pending
Filing Date 2019-12-20
Open to Public Date 2020-07-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kawase, Hiroya

Abstract

The present invention addresses the problem of providing: a phosphine for fumigation, which effectively suppresses blockage of pipes in a fumigation gas feeding device caused by impurities, and which is unlikely to undergo spontaneous combustion; and a safe phosphine fumigation method for reducing the possibilities of spontaneous combustion and blockage of pipes in a fumigation gas feeding device. This phosphine for fumigation has a P4 content equal to or less than 10 mass ppm and a water content equal to or less than 10 mass ppm. This fumigation method is for fumigating an object to be fumigated, by using a phosphine having a P4 content equal to or less 10 mass ppm and a water content equal to or less than 10 mass ppm.

IPC Classes  ?

  • C01B 25/06 - Hydrogen phosphides
  • A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N 25/20 - Combustible or heat-generating compositions
  • A01N 61/00 - Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
  • A01P 7/04 - Insecticides
  • C07F 9/06 - Phosphorus compounds without P—C bonds

80.

PHOSPHINE FOR FUMIGATION, METHOD FOR PRODUCING SAME, AND FUMIGATION METHOD

      
Application Number JP2019050165
Publication Number 2020/137905
Status In Force
Filing Date 2019-12-20
Publication Date 2020-07-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Kawase, Hiroya

Abstract

444 content equal to or less 10 mass ppm and a water content equal to or less than 10 mass ppm.

IPC Classes  ?

  • C01B 25/06 - Hydrogen phosphides
  • A01N 61/00 - Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
  • A01P 7/04 - Insecticides
  • A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
  • A01N 25/20 - Combustible or heat-generating compositions
  • C07F 9/06 - Phosphorus compounds without P—C bonds

81.

COATED PARTICLE, ELECTRICALLY CONDUCTIVE MATERIAL COMPRISING SAME, AND METHOD OF MANUFACTURING COATED PARTICLE

      
Application Number JP2019042620
Publication Number 2020/095796
Status In Force
Filing Date 2019-10-30
Publication Date 2020-05-14
Owner NIPPON CHEMICAL INDUSTRIAL CO.,LTD. (Japan)
Inventor
  • Inaba, Hiroyuki
  • Naruhashi, Tomonao

Abstract

The purpose of the present invention is to provide a coated particle in which an insulating layer coats the surface of an electrically conductive particle, wherein the surface of the electrically conductive particle and the insulating layer has excellent adhesion. This coated particle comprises: an electrically conductive particle which has a metal film formed on the surface of a core and has a titanium compound having a hydrophobic group arranged on the surface of the metal film opposite the core; and an insulating layer that coats the electrically conductive particle, wherein the insulating layer comprises a compound containing a charged functional group. It is preferable that the insulating layer has a plurality of fine particles arranged in layers or is a continuous film. It is also preferable that the hydrophobic group is an aliphatic hydrocarbon group having 2 to 30 carbon atoms.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys

82.

MODIFIED ZIRCONIUM PHOSPHATE TUNGSTATE, NEGATIVE THERMAL EXPANSION FILLER AND POLYMER COMPOSITION

      
Application Number JP2019043032
Publication Number 2020/095837
Status In Force
Filing Date 2019-11-01
Publication Date 2020-05-14
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru

Abstract

The purpose of the present invention is to provide a modified zirconium phosphate tungstate which is suppressed in dissolution of ions from particles and exhibits excellent performance as a negative thermal expansion material, and which is capable of producing a low thermal expansion material. A modified zirconium phosphate tungstate according to the present invention is obtained by covering the surfaces of zirconium phosphate tungstate particles with a fatty acid or a derivative thereof. It is preferable that the zirconium phosphate tungstate is covered with a silane compound. The present invention also provides a negative thermal expansion filler which is composed of this modified zirconium phosphate tungstate. The present invention also provides a polymer composition which contains this negative thermal expansion filler and a polymer compound.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C08K 9/04 - Ingredients treated with organic substances
  • C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 3/32 - Phosphorus-containing compounds

83.

Silicotitanate molded body, production method thereof, adsorbent for cesium and/or strontium comprising silicotitanate molded body, and decontamination method for radioactive waste solution by using adsorbent

      
Application Number 16628154
Grant Number 11400432
Status In Force
Filing Date 2018-07-03
First Publication Date 2020-04-30
Grant Date 2022-08-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Sakuma, Takashi
  • Komatsu, Makoto
  • Izumi, Takeshi
  • Miyabe, Shinsuke
  • Sakamoto, Takeshi
  • Noguchi, Eiji
  • Sugihara, Kaori

Abstract

2O wherein A represents one or two alkali metal elements selected from Na and K, and n represents a number of 0 to 2; and an oxide of one or more elements selected from the group consisting of aluminum, zirconium, iron, and cerium.

IPC Classes  ?

  • B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
  • B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
  • B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
  • B01J 20/30 - Processes for preparing, regenerating or reactivating
  • G21F 9/16 - Processing by fixation in stable solid media

84.

POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD FOR SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2019039748
Publication Number 2020/080211
Status In Force
Filing Date 2019-10-09
Publication Date 2020-04-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Kikuchi Masahiro
  • Naruhashi Tomonao
  • Fukuchi Minoru

Abstract

Provided is a positive-electrode active material for a lithium secondary battery, said material making it possible to increase cycle characteristics and energy density retention, as well as lower a decrease in average operating voltage. Also provided are an industrially advantageous manufacturing method for the same, and a lithium secondary battery exhibiting excellent cycle characteristics and high energy density retention, as well as a lower decrease in average operating voltage. A positive-electrode active material for a lithium secondary battery, said material characterized by comprising a mixture of lithium-cobalt composite oxide particles and inorganic fluoride particles. A manufacturing method for a positive-electrode active material for a lithium secondary battery, said method characterized by comprising a first step for obtaining a mixture of lithium-cobalt composite oxide particles and inorganic fluoride particles by mixing and treating lithium-cobalt composite oxide particles and inorganic fluoride particles. A lithium secondary battery characterized in that the positive-electrode active material for a lithium secondary battery according to the present invention is used as the positive-electrode active material therein.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • C01G 51/00 - Compounds of cobalt
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

85.

POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD FOR SAME, AND LITHIUM SECONDARY BATTERY

      
Application Number JP2019039747
Publication Number 2020/080210
Status In Force
Filing Date 2019-10-09
Publication Date 2020-04-23
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Kikuchi Masahiro
  • Naruhashi Tomonao
  • Fukuchi Minoru

Abstract

Provided is a positive-electrode active material for a lithium secondary battery, said material making it possible to lessen reductions in cycle characteristics and average operating voltage, maintain a high average operating voltage, and further increase energy density retention. Also provided are an industrially advantageous manufacturing method for the same, and a lithium secondary battery exhibiting excellent cycle and average operating voltage characteristics, as well as high energy density retention. A positive-electrode active material for a lithium secondary battery, said material characterized by comprising a mixture of titanium-containing lithium-cobalt composite oxide particles and inorganic fluoride particles. A manufacturing method for a positive-electrode active material for a lithium secondary battery, said method characterized by comprising a first step for obtaining a mixture of titanium-containing lithium-cobalt composite oxide particles and inorganic fluoride particles by mixing and treating titanium-containing lithium-cobalt composite oxide particles and inorganic fluoride particles. A lithium secondary battery characterized in that the positive-electrode active material for a lithium secondary battery according to the present invention is used as the positive-electrode active material therein.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • C01G 51/00 - Compounds of cobalt
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids

86.

PHOSPHINE TRANSITION METAL COMPLEX, METHOD FOR PRODUCING SAME AND ANTITUMOR AGENT

      
Application Number JP2019037900
Publication Number 2020/071241
Status In Force
Filing Date 2019-09-26
Publication Date 2020-04-09
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui, Kazuhiro
  • Ono, Chiaki
  • Oohara, Nobuhiko
  • Imamoto, Tsuneo
  • Konishi, Hiroaki
  • Abutani, Hikaru

Abstract

This phosphine transition metal complex is represented by formula (1). In the formula, it is preferable that: R1and R6represent a same group; R2and R7represent a same group; R3and R8represent a same group; R4and R9represent a same group; R5and R10 represent a same group; and n and y represent a same number. This phosphine transition metal complex is obtained in a suitable manner by reacting a phosphine derivative represented by formula (2) and a phosphine derivative represented by formula (3) with a transition metal salt of gold, copper or silver. (Refer to the description for the meanings of the symbols in the formulae.)

IPC Classes  ?

87.

Method for producing optically active 2, 3-bisphosphinopyrazine derivative and method for producing optically active phosphine transition metal complex

      
Application Number 16617827
Grant Number 11773120
Status In Force
Filing Date 2018-06-15
First Publication Date 2020-03-19
Grant Date 2023-10-03
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Mayama, Daisuke
  • Takeshita, Satoshi
  • Tamura, Ken

Abstract

In the method for producing an optically active 2,3-bisphosphinopyrazine derivative of the present invention, an optically active 2,3-bisphosphinopyrazine derivative represented by the following formula (3) is produced by the step of: preparing solution A containing 2,3-dihalogenopyrazine represented by the following formula (1) and a carboxylic acid amide coordinating solvent, lithiating an optically active R- or S-isomer of a hydrogen-phosphine borane compound represented by the following formula (2) to give a lithiated phosphine borane compound; adding solution B containing the lithiated phosphine borane compound to the solution A to perform an aromatic nucleophilic substitution reaction; and then performing a deboranation reaction. (For symbols in the formulas, see the description.)

IPC Classes  ?

88.

METHOD FOR PRODUCING LITHIUM COBALT PYROPHOSPHATE, AND METHOD FOR PRODUCING LITHIUM COBALT PYROPHOSPHATE-CARBON COMPLEX

      
Application Number JP2019028938
Publication Number 2020/031690
Status In Force
Filing Date 2019-07-24
Publication Date 2020-02-13
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru

Abstract

x1-yy277 (wherein 1.7 ≤ x ≤ 2.2, 0 ≤ y ≤ 0.5, and M represents at least one metal element selected from Mg, Zn, Cu, Fe, Cr, Mn, Ni, Al, B, Na, K, F, Cl, Br, I, Ca, Sr, Ba, Ti, Zr, Hf, Nb, Ta, Y, Yb, Si, S, Mo, W, V, Bi, Te, Pb, Ag, Cd, In, Sn, Sb, Ga, Ge, La, Ce, Nd, Sm, Eu, Tb, Dy and Ho), the method being characterized by comprising: a first step of adding an organic acid and cobalt hydroxide to an aqueous solvent, and then adding phosphoric acid and lithium hydroxide to the resultant solution to prepare an aqueous raw material slurry (1); a second step of subjecting the aqueous raw material slurry (1) to a wet-mode pulverization treatment using a media mill to produce a slurry (2) containing a raw material pulverized product; a third step of subjecting the slurry (2) containing the raw material pulverized product to a spray drying treatment to produce a reaction precursor; and a fourth step of burning the reaction precursor at 600°C or higher. According to the present invention, it becomes possible to provide a method for producing lithium cobalt pyrophosphate that has a single phase as determined by X-ray diffraction in an industrially advantageous manner.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

89.

METHOD FOR PRODUCING VANADIUM DIOXIDE

      
Application Number JP2019028054
Publication Number 2020/026806
Status In Force
Filing Date 2019-07-17
Publication Date 2020-02-06
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Fukazawa, Junya

Abstract

The method for producing vanadium dioxide includes a raw material mixing step for mixing divanadium pentoxide and a carbon material source and obtaining a raw material mixture, a firing step for firing the raw material mixture at from 340°C to less than 370°C in an inert gas atmosphere to obtain a fired body, and a cooling step for cooling the fired body to room temperature; in the raw material mixing step, the molar ratio (C/V) of carbon atoms in the carbon material source to vanadium atoms in the divanadium pentoxide is 2.2 or higher, and the cooling step includes an oxidation treatment step for switching from an inert gas atmosphere to an oxygen-containing atmosphere during cooling.

IPC Classes  ?

  • C01G 31/02 - Oxides
  • C09K 9/00 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy

90.

COATED PARTICLES

      
Application Number JP2019025384
Publication Number 2020/012962
Status In Force
Filing Date 2019-06-26
Publication Date 2020-01-16
Owner NIPPON CHEMICAL INDUSTRIAL CO.,LTD. (Japan)
Inventor
  • Naruhashi, Tomonao
  • Inaba, Hiroyuki

Abstract

The present invention addresses the problem of providing coated particles in which insulating layers coat surfaces of conductive particles, wherein the surfaces of the conductive particles and the insulating layers have excellent adhesion. These coated particles comprise the conductive particles each of which has a metal coating on a surface of a core and a triazole compound deposited on an outer surface of the metal coating opposite the core, and the insulating layers that coat the conductive particles, each insulating layer including a compound that has a phosphonium group. The insulating layer preferably comprises a plurality of minute particles which are arranged in a layer, or is a continuous coating. The triazole compound is preferably a benzotriazole compound. The metal coating is preferably at least one metal coating selected from the group consisting of nickel, gold, nickel alloy, and gold alloy. The insulating layer also preferably comprises at least one polymer selected from the group consisting of styrene, ester, and nitrile.

IPC Classes  ?

  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form
  • H01B 5/16 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
  • H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations

91.

PRODUCTION METHOD FOR LITHIUM COBALT PHOSPHATE AND PRODUCTION METHOD FOR LITHIUM COBALT PHOSPHATE-CARBON COMPLEX

      
Application Number JP2019025586
Publication Number 2020/012970
Status In Force
Filing Date 2019-06-27
Publication Date 2020-01-16
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Fukazawa Junya

Abstract

x1-yy44 (in which 0.8≤x≤1.2, 0≤y≤0.5, and M represents one or more metallic elements selected from among Mg, Zn, Cu, Fe, Cr, Mn, Ni, Al, B, Na, K, F, Cl, Br, I, Ca, Sr, Ba, Ti, Zr, Hf, Nb, Ta, Y, Yb, Si, S, Mo, W, V, Bi, Te, Pb, Ag, Cd, In, Sn, Sb, Ga, Ge, La, Ce, Nd, Sm, Eu, Tb, Dy, and Ho). The production method is characterized by comprising: a first step in which an aqueous raw material slurry (1) is prepared by adding an organic acid and cobalt hydroxide to an aqueous solvent, then subsequently adding phosphoric acid and lithium hydroxide; a second step in which a slurry (2) that includes a raw material milled product is obtained by subjecting the aqueous raw material slurry (1) to wet milling using a media mill; a third step in which a reaction precursor is obtained by subjecting the slurry (2) that includes the raw material milled product to a spray drying treatment; and a fourth step in which the reaction precursor is fired. Thus, the present invention makes it possible to provide a method by which X-ray diffractive single-phase lithium cobalt phosphate can be obtained by an industrially useful method.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

92.

NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR MANUFACTURING SAME, AND COMPOSITE MATERIAL

      
Application Number JP2019023687
Publication Number 2020/004072
Status In Force
Filing Date 2019-06-14
Publication Date 2020-01-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Fukazawa Junya
  • Hata Toru

Abstract

A negative thermal expansion material characterized by comprising zirconium phosphate tungstate containing Al atoms and having a thermal expansion coefficient of -2.0×10-6to -3.3×10-6/K. According to the present invention, it is possible to provide negative thermal expansion materials comprising zirconium phosphate tungstate having various thermal expansion coefficients, and an industrially advantageous method for manufacturing the same.

IPC Classes  ?

  • C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
  • C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates

93.

PHOSPHINOBENZENE BORANE DERIVATIVE PRODUCTION METHOD, 1,2-BIS(DIALKYLPHOSPHINO)BENZENE DERIVATIVE PRODUCTION METHOD AND TRANSITION METAL COMPLEX

      
Application Number JP2019019921
Publication Number 2019/230479
Status In Force
Filing Date 2019-05-20
Publication Date 2019-12-05
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor Tamura Ken

Abstract

The phosphinobenzene borane derivative production method is characterized by including a reaction process (A) comprising: obtaining an solution A containing the 1,2-dihalogenobenzene represented by general formula (1); [Chem. 1] obtaining a solution B containing a phosphine borane compound by deprotonating the hydrogen-phosphine borane compound represented by general formula (2); [Chem. 2] and obtaining the phosphinobenzene borane derivative represented by general formula (3) by adding the solution B to the solution A such that a reaction occurs therebetween. [Chem. 3] According to the present invention, a phosphinobenzene borane derivative production method that is industrially advantageous can be provided.

IPC Classes  ?

  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C07F 9/50 - Organo-phosphines

94.

PHOTONIC SINTERING-TYPE COMPOSITION AND METHOD OF FORMING CONDUCTIVE FILM USING SAME

      
Application Number JP2019016465
Publication Number 2019/220847
Status In Force
Filing Date 2019-04-17
Publication Date 2019-11-21
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tokutake, Mari
  • Abe, Shinji

Abstract

Provided is a photonic sintering-type composition that is characterized by comprising: cuprous oxide particles which contain at least one additional element selected from the group consisting of tin, manganese, vanadium, cerium, iron, and silver; metal particles which have a volume resistivity at 20°C of 1.0×10-3 Ωcm or less; and a solvent.

IPC Classes  ?

  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • B22F 3/10 - Sintering only
  • B22F 9/00 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables

95.

SILYL PHOSPHINE COMPOUND, METHOD FOR PRODUCING SILYL PHOSPHINE COMPOUND AND METHOD FOR FORMING InP QUANTUM DOT

      
Application Number JP2019011760
Publication Number 2019/188680
Status In Force
Filing Date 2019-03-20
Publication Date 2019-10-03
Owner NIPPON CHEMICAL INDUSTRIAL CO.,LTD. (Japan)
Inventor
  • Takubo, Yosuke
  • Tamura, Ken
  • Nakatsui, Kazuhiro

Abstract

The silyl phosphine compound according to the present invention is represented by formula (1) and has an arsenic content of 1 ppm or less. The method according to the present invention for producing a silyl phosphine compound comprises: mixing a basic compound, a silylating agent and phosphine to give a solution containing a silyl phosphine compound; removing the solvent from the solution to give a liquid concentrate containing the silyl phosphine compound; and then distilling the liquid concentrate, wherein the arsenic content of the phosphine is regulated to 1 ppm by volume or less in terms of arsine. In the method according to the present invention for forming an InP quantum dot, a silyl phosphine compound that is represented by formula (1) (wherein R is as defined in the description) and has an arsenic content of 1 ppm by mass or less is used as a phosphorus source.

IPC Classes  ?

  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C01B 25/08 - Other phosphides
  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07F 9/50 - Organo-phosphines

96.

SILYL PHOSPHINE COMPOUND, PROCESS FOR PRODUCING SILYL PHOSPHINE COMPOUND AND PROCESS FOR PRODUCING INP QUANTUM DOTS

      
Document Number 03093656
Status Pending
Filing Date 2019-03-20
Open to Public Date 2019-10-03
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takubo, Yosuke
  • Tamura, Ken
  • Nakatsui, Kazuhiro

Abstract

The silyl phosphine compound according to the present invention is represented by formula (1) and has an arsenic content of 1 ppm or less. The method according to the present invention for producing a silyl phosphine compound comprises: mixing a basic compound, a silylating agent and phosphine to give a solution containing a silyl phosphine compound; removing the solvent from the solution to give a liquid concentrate containing the silyl phosphine compound; and then distilling the liquid concentrate, wherein the arsenic content of the phosphine is regulated to 1 ppm by volume or less in terms of arsine. In the method according to the present invention for forming an InP quantum dot, a silyl phosphine compound that is represented by formula (1) (wherein R is as defined in the description) and has an arsenic content of 1 ppm by mass or less is used as a phosphorus source.

IPC Classes  ?

  • C07F 19/00 - Metal compounds according to more than one of main groups
  • C01B 25/08 - Other phosphides
  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • C07F 7/08 - Compounds having one or more C—Si linkages
  • C07F 9/50 - Organo-phosphines

97.

METHOD FOR PRODUCING InP QUANTUM DOTS

      
Application Number JP2019011759
Publication Number 2019/188679
Status In Force
Filing Date 2019-03-20
Publication Date 2019-10-03
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Nakatsui, Kazuhiro
  • Takubo, Yosuke
  • Tamura, Ken

Abstract

A method for producing InP quantum dots from a phosphorus source and an indium source, wherein a silylphosphine compound represented by general formula (1) is used as the phosphorus source, said silylphosphine compound having a content of a compound represented by general formula (2) of 0.3% by mole or less. It is preferable that a silylphosphine compound represented by general formula (1), which has a content of a compound represented by general formula (3) of 0.1% by mole or less, is used as the phosphorus source. (In general formula (1), each R independently represents an alkyl group having 1-5 carbon atoms (inclusive) or an aryl group having 6-10 carbon atoms (inclusive).) (In general formula (2), R is as defined in general formula (1).) (In general formula (3), R is as defined in general formula (1).)

IPC Classes  ?

  • C01B 25/08 - Other phosphides
  • B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
  • B82Y 40/00 - Manufacture or treatment of nanostructures
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus

98.

2,3-BISPHOSPHINOPYRAZINE DERIVATIVE, METHOD FOR PRODUCING SAME, TRANSITION METAL COMPLEX, ASYMMETRIC CATALYST, AND METHOD FOR PRODUCING ORGANIC BORON COMPOUND

      
Application Number JP2019008237
Publication Number 2019/172150
Status In Force
Filing Date 2019-03-01
Publication Date 2019-09-12
Owner
  • NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
Inventor
  • Ito, Hajime
  • Iwamoto, Hiroaki
  • Imamoto, Tsuneo
  • Tamura, Ken
  • Sano, Natsuhiro

Abstract

Provided is a 2,3-bisphosphinopyrazine derivative represented by general formula (1). (In the formula: R1, R2, R3and R4represent an optionally-substituted linear or branched alkyl group having 1–10 carbon atoms, an optionally-substituted cycloalkyl group, an optionally-substituted adamantyl group, or an optionally-substituted fenyl group. R5represents an optionally-substituted alkyl group having 1–10 carbon atoms, or an optionally-substituted fenyl group, and each R5 may be the same group or a different group. R6 represents a monovalent substituent. n represents an integer from 0-2.)

IPC Classes  ?

99.

Cuprous oxide particle, method of producing the same, photosintering composition, method of forming conductive film using the same and paste of cuprous oxide particles

      
Application Number 16346222
Grant Number 10870587
Status In Force
Filing Date 2017-11-02
First Publication Date 2019-08-29
Grant Date 2020-12-22
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Tokutake, Mari
  • Abe, Shinji

Abstract

Provided is a photosintering composition including cuprous oxide particles containing at least one additive element selected from the group consisting of tin, manganese, vanadium, cerium and silver, and a solvent. It is preferable that the cuprous oxide particle contain 1 ppm to 30,000 ppm of tin as the additive element. It is also preferable that the photosintering composition contain 3% by mass to 80% by mass of the cuprous oxide particles and 20% by mass to 97% by mass of the solvent.

IPC Classes  ?

  • C01G 3/02 - OxidesHydroxides
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
  • H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
  • C01G 19/00 - Compounds of tin
  • H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
  • H01B 5/00 - Non-insulated conductors or conductive bodies characterised by their form

100.

Process for producing silyl phosphine compound and silyl phosphine compound

      
Application Number 16332176
Grant Number 10934316
Status In Force
Filing Date 2017-09-19
First Publication Date 2019-08-29
Grant Date 2021-03-02
Owner NIPPON CHEMICAL INDUSTRIAL CO., LTD. (Japan)
Inventor
  • Takubo, Yosuke
  • Tamura, Ken

Abstract

The process for producing a silyl phosphine compound of the present invention comprises a first step of mixing a solvent having a relative dielectric constant of not more than 4, a basic compound, a silylating agent and phosphine to obtain a solution containing a silyl phosphine compound, a second step of removing the solvent from the solution containing a silyl phosphine compound to obtain a concentrated solution of a silyl phosphine compound, and a third step of distilling the concentrated solution of a silyl phosphine compound to obtain the silyl phosphine compound. The silyl phosphine compound of the present invention is a silyl phosphine compound represented by the following general formula (1), wherein a content of a compound represented by the following general formula (2) is not more than 0.5 mol %. (For explanatory notes of the formulas, see the specification.)

IPC Classes  ?

  • C07F 9/62 - Isoquinoline or hydrogenated isoquinoline ring systems
  • C07F 9/06 - Phosphorus compounds without P—C bonds
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