Mitsui Chemicals, Inc.

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        Patent 2,991
        Trademark 206
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        World 2,009
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        Canada 62
        Europe 30
Owner / Subsidiary
[Owner] Mitsui Chemicals, Inc. 3,197
Prime Polymer Co., Ltd. 52
Mitsui Chemicals Tohcello, Inc. 8
Yamamoto Chemicals, Inc. 8
Tohcello Co., Ltd. 2
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Date
New (last 4 weeks) 25
2025 June (MTD) 14
2025 May 20
2025 April 23
2025 March 15
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IPC Class
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics 311
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen 192
B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins 151
C08L 23/08 - Copolymers of ethene 128
C08J 5/18 - Manufacture of films or sheets 110
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NICE Class
01 - Chemical and biological materials for industrial, scientific and agricultural use 130
09 - Scientific and electric apparatus and instruments 68
17 - Rubber and plastic; packing and insulating materials 42
10 - Medical apparatus and instruments 22
05 - Pharmaceutical, veterinary and sanitary products 19
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Status
Pending 299
Registered / In Force 2,898
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1.

ICT Materia

      
Application Number 1860339
Status Registered
Filing Date 2025-03-27
Registration Date 2025-03-27
Owner Mitsui Chemicals, Inc. (Japan)
NICE Classes  ? 17 - Rubber and plastic; packing and insulating materials

Goods & Services

Semi-processed plastic in sheet form; plastic sheet materials for use in manufacture; extruded plastics in the form of bars for use in manufacture; insulating tapes; adhesive tapes used for protection in the semiconductor manufacturing process; adhesive tapes for industrial purposes; adhesive tapes for processing electronic components; plastic substances, semi-processed; mold release plastic film for use during the molding process; self-adhesive tapes, other than stationery and not for medical or household purposes; adhesive tapes for use in the processing of semiconductor; masking tapes for industrial purposes; polymer films for use in manufacture; plastic sheets used as sealing sheets for solar cells; plastic film, other than for wrapping.

2.

CYCLIC OLEFIN COPOLYMER, CYCLIC OLEFIN COPOLYMER COMPOSITION, MOLDED BODY, AND OPTICAL COMPONENT

      
Application Number 18845220
Status Pending
Filing Date 2023-02-09
First Publication Date 2025-06-12
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Lee, Jooyeon
  • Ogawa, Ryohei
  • Nakashima, Makoto

Abstract

A cyclic olefin copolymer includes a constituent unit (A) that is derived from an olefin monomer represented by Formula (1), and a constituent unit (B) that is derived from at least one cyclic olefin monomer selected from the group consisting of a cyclic olefin monomer represented by Formula (2) and a cyclic olefin monomer represented by Formula (3). A cyclic olefin copolymer includes a constituent unit (A) that is derived from an olefin monomer represented by Formula (1), and a constituent unit (B) that is derived from at least one cyclic olefin monomer selected from the group consisting of a cyclic olefin monomer represented by Formula (2) and a cyclic olefin monomer represented by Formula (3).

IPC Classes  ?

  • C08F 210/02 - Ethene
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

3.

THERMOPLASTIC ELASTOMER COMPOSITION AND METHOD FOR PRODUCING THERMOPLASTIC ELASTOMER COMPOSITION

      
Application Number 18845878
Status Pending
Filing Date 2023-03-14
First Publication Date 2025-06-12
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yamamoto, Kanji
  • Nakatsuji, Ryo
  • Jitsukata, Masakazu
  • Sugawara, Kaisei

Abstract

An object of the present disclosure is to provide a thermoplastic elastomer composition having excellent scratch resistance and being capable of forming a low gloss appearance and a method for producing a thermoplastic elastomer composition. The present disclosure provides a thermoplastic elastomer composition including a first composition containing an olefin-based resin (A), an ethylene/α-olefin copolymer (B), and a crosslinking agent (F), and a second composition containing a hydrogenated product (C) of a block copolymer having at least one block mainly including a conjugated diene monomer unit and at least one block mainly including a vinyl aromatic monomer unit, wherein the content of the component (B) is 10 to 180 parts by mass based on 100 parts by mass of the component (A); the content of the component (C) is 170 to 500 parts by mass based on 100 parts by mass of the component (A); and a ratio W1/W0 is 0.01 to 0.70, where Wo denotes the sum of a content rate of the component (B) and a content rate of the component (C), and W1 denotes a gel content, and also provides a method for producing the thermoplastic elastomer composition.

IPC Classes  ?

  • C08L 53/02 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
  • B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
  • B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
  • B29C 48/78 - Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
  • B29K 23/00 - Use of polyalkenes as moulding material
  • B29K 96/04 - Block polymers
  • B29K 105/00 - Condition, form or state of moulded material
  • B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof

4.

COMPOUND, ADDITIVE, PLASTICIZER, CURABLE COMPOSITION, ADHESIVE, CURED PRODUCT, AND TACKIFIER

      
Application Number JP2024041903
Publication Number 2025/121214
Status In Force
Filing Date 2024-11-27
Publication Date 2025-06-12
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yoneda, Shuhei
  • Tsukada, Yuichi

Abstract

A compound according to the present invention is represented by general formula (1). (In formula (1), A represents an n-valent organic group that includes a sulfur atom. S represents a sulfur atom. X1represents a single bond or a carbonyl group. R1represents an alkylene group. Y represents an aryloxy group or an arylalkyloxy group. X2represents a single bond or a carbonyl group. R2represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group, or an aromatic aliphatic hydrocarbon group. X1, R1, Y, X2, and R2 may each be the same or different from each other. n represents an integer of 3 or more. m represents an integer of at least 1 and no more than n.)

IPC Classes  ?

  • C07C 323/64 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and sulfur atoms, not being part of thio groups, bound to the same carbon skeleton
  • C08K 5/36 - Sulfur-, selenium-, or tellurium-containing compounds
  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08L 75/04 - Polyurethanes
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09J 11/06 - Non-macromolecular additives organic
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds

5.

BRAIN-TARGETING PEPTIDE, TRANSPORT CARRIER, AND METHOD FOR SCREENING PEPTIDE BINDING TO TARGET CELL

      
Application Number JP2024042865
Publication Number 2025/121348
Status In Force
Filing Date 2024-12-04
Publication Date 2025-06-12
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kojima Hideto
  • Katagi Miwako

Abstract

The present invention is a brain-targeting peptide containing an amino acid sequence represented by SEQ ID NO: 1 and a method for screening a peptide that binds to a target cell in a non-human organism, the screening method comprising: bringing a peptide library comprising a 7-amino acid peptide into contact with the target cell; recovering a peptide group bound to the target cell to form a peptide population binding to the target cell; and selecting, from the peptide population, a peptide having the same amino acid sequence as a portion of a protein expressed in the non-human organism and having the same amino acid sequence as a portion of a protein constituting a virus as a peptide that binds to the target cell.

IPC Classes  ?

  • C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61K 47/59 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
  • A61K 47/62 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
  • A61K 49/00 - Preparations for testing in vivo
  • A61P 25/00 - Drugs for disorders of the nervous system
  • C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms

6.

LAMINATE AND METHOD FOR PRODUCING LAMINATE

      
Application Number JP2024041689
Publication Number 2025/115819
Status In Force
Filing Date 2024-11-25
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kayaba, Yasuhisa
  • Nakamura, Yuzo
  • Inada, Satoshi

Abstract

Disclosed are a laminate and a method for producing a laminate, the method including: a step A in which a first substrate and a second substrate that is disposed on one surface of the first substrate in a thickness direction are bonded to each other, with an adhesive layer being interposed therebetween, so as to obtain a first laminate; a step B in which a third substrate is disposed on the other surface of the first substrate in the thickness direction, the other surface not having the second substrate thereon, so as to obtain a second laminate; and a step C in which the second substrate is removed from the second laminate so as to obtain a third laminate. The thickness of the adhesive layer is 10 μm or less, and the bonding strength between the first substrate and the second substrate in the first laminate that is obtained in the step A is 0.01 J/m2 or more.

IPC Classes  ?

  • H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
  • C09J 5/00 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers
  • C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds

7.

POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BODY, OPTICAL MATERIAL, AND LENS

      
Application Number JP2024080207
Publication Number 2025/116045
Status In Force
Filing Date 2024-11-26
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Nakano, Shotaro
  • Kawaguchi, Masaru

Abstract

Provided is a polythiol composition including a polythiol compound (A) and a compound represented by the following Formula (1), wherein, in high performance liquid chromatography measurement, a peak area of the compound represented by Formula (1) is 9.0 or less with respect to a total peak area 100 of all compounds contained in the polythiol composition. In Formula (1), X represents a carbon atom or a sulfur atom.

IPC Classes  ?

  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/08 - Processes

8.

SHOCK-ABSORBING MATERIAL AND METHOD FOR MANUFACTURING SAME

      
Application Number 18840002
Status Pending
Filing Date 2023-03-23
First Publication Date 2025-06-05
Owner Mitsui Chemicals, Inc. (Japan)
Inventor
  • Inoue, Hiroki
  • Miyata, Atsushi
  • Mizumoto, Kazuya

Abstract

The present invention provides a shock-absorbing material with which progressive crushing can be realized with a simple structure, and which absorbs a large amount of energy. The shock-absorbing material has a cylindrical body and a plate-form member attached to an end surface of the cylindrical body. The cylindrical body contains a laminate of fiber-reinforced resin layers including a plurality of reinforcing fibers aligned in one direction and a resin impregnated in the plurality of reinforcing fibers, the cylindrical body has a buckling-minimizing layer and a fragile layer, and the plate-form member is attached to the cylindrical body via an adhesive layer.

IPC Classes  ?

  • F16F 7/12 - Vibration-dampersShock-absorbers using plastic deformation of members

9.

NONELECTROLYTIC PLATING PRIMER COMPOSITION, LAMINATE, AND METHOD FOR MANUFACTURING SAME

      
Application Number 18842908
Status Pending
Filing Date 2023-03-01
First Publication Date 2025-06-05
Owner
  • Mitsui Chemicals, Inc. (Japan)
  • IOX.CO., LTD. (Japan)
Inventor
  • Koyama, Taichi
  • Nakatsuji, Tatsuya

Abstract

A nonelectrolytic plating primer composition according to the present invention contains a phenoxy resin (A), and 25-65 parts by mass of a melamine resin (B) with respect to 100 parts by mass of the phenoxy resin (A).

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
  • C08G 59/18 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
  • C08G 59/32 - Epoxy compounds containing three or more epoxy groups
  • C08G 59/50 - Amines
  • C08G 59/62 - Alcohols or phenols
  • C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
  • C08K 3/36 - Silica
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
  • C23C 18/20 - Pretreatment of the material to be coated of organic surfaces, e.g. resins
  • C23C 18/38 - Coating with copper

10.

TEMPERATURE SENSING MATERIAL, MOLDED ARTICLE, AND PRODUCTION METHOD FOR TEMPERATURE SENSING MATERIAL

      
Application Number 18844769
Status Pending
Filing Date 2023-03-01
First Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Yoshii, Hiroaki

Abstract

The temperature sensing material of the present invention contains 100 parts by mass of a thermoplastic resin (A) having its density, MFR and durometer A hardness in specific ranges, 10 to 100 parts by mass of a compound (B) having a flash point of 155° C. or higher, and 1.5 to 20 parts by mass of a porous inorganic compound (C) having an oil absorption of 4.0 g/g or more, in which a content of the compound (B) is more than 200 parts by mass and less than 700 parts by mass relative to 100 parts by mass of the porous inorganic compound (C), and the temperature sensing material has specific optical properties.

IPC Classes  ?

  • G01K 11/16 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in colour, translucency or reflectance of organic materials
  • C08K 3/36 - Silica
  • C08K 5/101 - EstersEther-esters of monocarboxylic acids
  • C09K 9/02 - Organic tenebrescent materials

11.

POLYOL COMPOSITION, POLYURETHANE RESIN COMPOSITION, AND POLYURETHANE RESIN

      
Application Number JP2024036556
Publication Number 2025/115426
Status In Force
Filing Date 2024-10-11
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Kanazawa, Yuki

Abstract

The polyol composition contains polyols (A) to (C). The polyol (A) is a polyester polyol. The polyol (A) has an average number of functional groups of 2.5-3.5 and a hydroxyl value of 90-170 mgKOH/g. The polyol (B) has an average number of functional groups of 2.0-4.0 and a hydroxyl value of 600-1200 mgKOH/g. The polyol (C) is an aromatic polyether polyol. The polyol (C) has an average number of functional groups of 2.0-5.0 and a hydroxyl value of 200-550 mgKOH/g. The polyester polyol has a 15-20 C fatty acid (X) unit containing one hydroxyl group. The ratio of the fatty acid (X) to the polyol (B) is 1.4-8.5.

IPC Classes  ?

  • C08G 18/66 - Compounds of groups , , or
  • C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
  • C08G 18/40 - High-molecular-weight compounds
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/48 - Polyethers
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic

12.

POLYOL COMPOSITION, POLYURETHANE RESIN COMPOSITION, AND POLYURETHANE RESIN

      
Application Number JP2024036557
Publication Number 2025/115427
Status In Force
Filing Date 2024-10-11
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Kanazawa, Yuki

Abstract

The polyol composition contains polyols (A) to (B). The polyol (A) is a polyester polyol. The polyol (A) has an average number of functional groups of 1.1-5.0 and a hydroxyl value of 50-170 mgKOH/g. The polyol (B) has an average number of functional groups of 2.0-4.0 and a hydroxyl value of 600-1200 mgKOH/g. The polyester polyol has a 15-20 C fatty acid (X) unit containing one hydroxyl group. The ratio of the fatty acid (X) to the polyol (B) is 0.08-0.90.

IPC Classes  ?

  • C08G 18/66 - Compounds of groups , , or
  • C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic

13.

RESIN COMPOSITION, SUBSTRATE FOR FLEXIBLE DEVICES, FLEXIBLE DEVICE, AND SHEET

      
Application Number JP2024041568
Publication Number 2025/115795
Status In Force
Filing Date 2024-11-25
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Sato, Satoru

Abstract

This resin composition contains a urethane (meth)acrylate, a monofunctional (meth)acrylate, and a radical photopolymerization initiator. The urethane (meth)acrylate is a reaction product of: a polyol component that contains a specific polypropylene glycol; a polyisocyanate component that contains at least one of an alicyclic polyisocyanate and an aliphatic polyisocyanate; and a hydroxyl group-containing (meth)acrylate. In the dynamic viscoelasticity measurement of a cured product of the resin composition, there are two or more specific peaks of the loss factor tanδ.

IPC Classes  ?

14.

ADHESIVE COMPOSITION AND LAMINATE

      
Application Number JP2024041882
Publication Number 2025/115877
Status In Force
Filing Date 2024-11-26
Publication Date 2025-06-05
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Shikama, Takuo
  • Tamura, Kahori
  • Kayaba, Yasuhisa

Abstract

Provided is an adhesive composition that contains: a compound (A) having an Si-O bond and a cationic functional group including at least one of a primary nitrogen atom and a secondary nitrogen atom; a crosslinking agent (B) which has a weight average molecular weight of 200-600 and has three or more -C(=O)OX groups in the molecule, where X denotes a hydrogen atom or an alkyl group having 1-6 carbon atoms, and one to six of the three or more -C(=O)OX groups is a -C(=O)OH group; and an additive (D) having a structure represented by formula (a) and a structure represented by formula (b). Also provided is a laminate.

IPC Classes  ?

  • C09J 183/04 - Polysiloxanes
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 27/00 - Layered products essentially comprising synthetic resin
  • C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
  • C09J 11/06 - Non-macromolecular additives organic
  • C09J 179/02 - Polyamines

15.

OPTICAL MEMBER AND METHOD FOR MANUFACTURING OPTICAL MEMBER

      
Application Number JP2024038927
Publication Number 2025/109980
Status In Force
Filing Date 2024-10-31
Publication Date 2025-05-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kasori Yuuki
  • Kadowaki Shinichiro
  • Togo Norihiro

Abstract

Disclosed is an optical member (100) which comprises: a sulfur atom-containing resin base material (11); and a photochromic layer (21) that is superposed on a surface of the sulfur atom-containing resin base material (11). In order to improve adhesion between layers, the maximum point stress measured by the following procedure x is 138 N/mm2to 177 N/mm2inclusive. Procedure x: the optical member (100) is subjected to a three-point bending test that is performed at 25°C in accordance with JIS K7171, and the maximum point stress (N/mm2) is measured at the time when the test is performed under a condition that the distance between supporting points is 34 mm, the speed is 10 mm/minute, and the radius R2 of the support base is 2 mm.

IPC Classes  ?

  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • B32B 7/023 - Optical properties
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen

16.

MICROCAPSULE AND METHOD FOR PRODUCING SAME

      
Application Number JP2024040280
Publication Number 2025/110071
Status In Force
Filing Date 2024-11-13
Publication Date 2025-05-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Usui, Yuta
  • Shinohara, Naoki

Abstract

Disclosed is a microcapsule which has a core-shell structure. The microcapsule includes a shell layer and a core layer that is sealed in the shell layer. The shell layer contains a urethane urea resin. The urethane urea resin contains a reaction product of a first polyisocyanate and an active hydrogen compound. The core layer contains a second polyisocyanate. The reactivity between the first polyisocyanate and the active hydrogen compound is higher than the reactivity between the second polyisocyanate and the active hydrogen compound.

IPC Classes  ?

  • C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
  • C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates

17.

LUBRICATING OIL COMPOSITION

      
Application Number 18842784
Status Pending
Filing Date 2023-03-03
First Publication Date 2025-05-29
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kanaya, Hirotaka
  • Abe, Shota

Abstract

To provide a lubricating oil composition having excellent shear stability and temperature viscosity characteristics and also having high heat dissipation performance from the viewpoint of fuel saving and energy saving of an electric vehicle. To provide a lubricating oil composition having excellent shear stability and temperature viscosity characteristics and also having high heat dissipation performance from the viewpoint of fuel saving and energy saving of an electric vehicle. A lubricating oil composition used for cooling of an electric motor and lubrication of a gear in an electric vehicle, the composition including: a lubricating base oil; and an ethylene-α-olefin copolymer with an ethylene molar content rate of 30 to 70 mol %, a kinematic viscosity at 100° C. of 10 to 5,000 mm2/s, a Hasen chromaticity of 30 or lower, a molecular weight distribution of 2.5 or less, and a B-value of 1.1 or more, the composition having a kinematic viscosity at 100° C. of 4 to 10 mm2/s, and the lubricating base oil including a mineral oil with a kinematic viscosity at 100° C. of 2 to 6 mm2/s, a viscosity index of 105 or more, and a pour point of −5° C. or lower, and/or a synthetic oil with a kinematic viscosity at 100° C. of 1 to 9 mm2/s, a viscosity index of 110 or more, and a pour point of −30° C. or lower.

IPC Classes  ?

  • C10M 101/00 - Lubricating compositions characterised by the base-material being a mineral or fatty oil
  • C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
  • C10M 111/02 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a non-macromolecular organic compound
  • C10N 20/02 - ViscosityViscosity index
  • C10N 20/04 - Molecular weightMolecular weight distribution
  • C10N 40/04 - Oil-bathGear-boxesAutomatic transmissionsTraction drives

18.

TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING TEMPERATURE CONTROL DEVICE

      
Application Number 18728943
Status Pending
Filing Date 2022-12-15
First Publication Date 2025-05-22
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tominaga, Takahiro
  • Morimoto, Kai

Abstract

The temperature control device of the disclosure is a temperature control device for controlling the temperature of at least one heat exchange object. This temperature control device includes: a first plate made of a metal; a second plate; a flow path wall part sandwiched between the first plate and the second plate; and a resin fixing part fixing the second plate to the first plate. An internal flow path for circulating a heat exchange medium is formed by at least one of the first plate or the second plate, and the flow path wall part. The first plate includes at least one connection region for thermally connecting the at least one heat exchange object thereto, at an outer main surface of a side at which the flow path wall part is not arranged. The resin fixing part covers a region of the outer main surface, excluding the at least one connection region.

IPC Classes  ?

  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

19.

METAL MEMBER, METAL-RESIN COMPOSITE BODY, AND METHOD FOR PRODUCING METAL MEMBER

      
Application Number 18839083
Status Pending
Filing Date 2023-01-30
First Publication Date 2025-05-22
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kodera, Yuta
  • Mitsunaga, Shintaro
  • Hiramitsu, Norio

Abstract

A metal member, including a surface having irregularities, and satisfying at least one of the following (1) to (3): (1) the surface is covered with a hydrophobic film; (2) the surface has a contact angle with respect to water of 90° or more; or (3) the surface has an organic compound that is chemically bonded to the surface.

IPC Classes  ?

  • B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface

20.

NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL

      
Application Number JP2024040531
Publication Number 2025/105448
Status In Force
Filing Date 2024-11-14
Publication Date 2025-05-22
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Shimizu, Yusuke
  • Oji, Yurika
  • Onishi, Hitoshi
  • Shigematsu, Akihito
  • Eguchi, Masato

Abstract

1111 independently represents a hydrocarbon group having 1-12 carbon atoms or a trialkylsilyl group having 3-18 carbon atoms.]

IPC Classes  ?

  • H01M 10/052 - Li-accumulators
  • 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
  • H01M 10/0567 - Liquid materials characterised by the additives

21.

ANTIBACTERIAL AGENT

      
Application Number 18839656
Status Pending
Filing Date 2023-03-28
First Publication Date 2025-05-22
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Shinohara, Naoki
  • Shibata, Tatsuya
  • Fukuda, Kazuyuki

Abstract

An antibacterial agent includes a block isocyanate. The block isocyanate includes a capped residue (A) of a polyisocyanate, an antibacterial-non-block capping group (B), and a non-antibacterial-block capping group (C). The capped residue (A) of the polyisocyanate is formed by capping an isocyanate group of the polyisocyanate having a plurality of isocyanate groups. The antibacterial-non-block capping group (B) is formed by non-reproducibly capping at least a portion of the plurality of isocyanate groups. The non-antibacterial-block capping group (C) is formed by reproducibly capping at least a portion of the plurality of isocyanate groups. The antibacterial-non-block capping group (B) includes a quaternary ammonium group.

IPC Classes  ?

  • A01N 47/40 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
  • A01N 31/02 - Acyclic compounds
  • A01N 33/02 - AminesQuaternary ammonium compounds
  • A01P 1/00 - DisinfectantsAntimicrobial compounds or mixtures thereof

22.

METAL MEMBER AND MANUFACTURING METHOD THEREFOR, ETCHING SOLUTION, AND METAL-RESIN COMPLEX AND MANUFACTURING METHOD FOR METAL-RESIN COMPLEX

      
Application Number 18856873
Status Pending
Filing Date 2023-04-13
First Publication Date 2025-05-15
Owner
  • MITSUI CHEMICALS, INC. (Japan)
  • HUIZHOU JIANUOTE TECHNOLOGY CO., LTD (China)
Inventor
  • Sumita, Daiki
  • Lu, Haibing

Abstract

The present invention relates to a metal member and a manufacturing method therefor, an etching solution, and a metal-resin complex and a manufacturing method for the metal-resin complex. The metal member has a surface in which values of L, a and b in CIE1976 (L*a*b*) color space satisfy at least one of equation (1) (b≥16) or equation (2) (L≥2.336×8-2.0536).

IPC Classes  ?

  • C23F 1/18 - Acidic compositions for etching copper or alloys thereof
  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • B29K 705/10 - Copper
  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper

23.

POLYTHIOL COMPOSITION AND APPLICATION THEREOF

      
Application Number JP2024039310
Publication Number 2025/100411
Status In Force
Filing Date 2024-11-05
Publication Date 2025-05-15
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Nakano, Shotaro

Abstract

This polythiol composition contains: a polythiol component T which is at least one selected from the group consisting of 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane; a component X having a retention time of 30.0-40.0 minutes in a predetermined HPLC; and a component Y having a retention time of 60.0-70.0 minutes, wherein in the HPLC measurement, the peak area of the component X with respect to the total peak area of 100 is 5.00 or less, and the peak area of the component Y with respect to the total peak area of 100 is 2.50 or less.

IPC Classes  ?

  • C07C 321/14 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 3/00 - Simple or compound lenses
  • C07C 319/14 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
  • C07C 319/28 - SeparationPurification

24.

LAMINATE

      
Application Number 18839654
Status Pending
Filing Date 2023-02-21
First Publication Date 2025-05-15
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Sugihara, Tomoki
  • Fukuda, Kazuyuki
  • Nakagawa, Toshihiko
  • Kouda, Chikako
  • Shimokawatoko, Yoshiki

Abstract

A laminate 1 includes a substrate 2, an inorganic vapor deposition layer 3, an adhesive layer 5, and a resin film layer 6 in sequence. A barrier coat layer 4 is interposed between the substrate 2 and the inorganic vapor deposition layer 3 and/or between the inorganic vapor deposition layer 3 and the adhesive layer 5. The adhesive layer 5 has a thermal expansion coefficient of 100.0×10−5K−1 or less.

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • C09D 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
  • C09J 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group

25.

RAW MATERIAL OF COATING MATERIAL FOR SECONDARY BATTERY SEPARATOR, COATING MATERIAL FOR SECONDARY BATTERY SEPARATOR, SECONDARY BATTERY SEPARATOR, AND SECONDARY BATTERY

      
Application Number 18840313
Status Pending
Filing Date 2023-02-16
First Publication Date 2025-05-15
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tomita, Yoshihiko
  • Li, Wei
  • Kagawa, Yasuyuki

Abstract

A raw material of a coating material for secondary battery separators contains a thermosetting condensation resin.

IPC Classes  ?

  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • C08G 63/685 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing nitrogen
  • C08G 75/24 - Polysulfonates
  • C09D 167/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
  • C09D 181/08 - Polysulfonates
  • H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure

26.

POLYURETHANE DISPERSION AND COATING MATERIAL

      
Application Number JP2024038831
Publication Number 2025/100328
Status In Force
Filing Date 2024-10-31
Publication Date 2025-05-15
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yamashita, Tatsuya
  • Fukuda, Kazuyuki
  • Kimura, Natsumi
  • Sato, Haruka
  • Yoshimura, Masafumi

Abstract

This polyurethane dispersion contains water, a polyurethane resin that is dispersed in water, and a water-insoluble compound that is sealed in the polyurethane resin. The water-insoluble compound has an activity against micro-hazardous substances. The polyurethane resin contains an anionic group and the acid value of the polyurethane resin is 8-25 mgKOH/g, and/or the polyurethane resin contains a polyoxyethylene group and the oxyethylene content ratio of the polyurethane resin is 8-20 mass%.

IPC Classes  ?

27.

THERMOPLASTIC ELASTOMER COMPOSITION AND APPLICATION THEREOF

      
Application Number 18719702
Status Pending
Filing Date 2022-12-22
First Publication Date 2025-05-08
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tanaka, Suguru
  • Yoda, Yusuke

Abstract

An object of the present disclosure is to provide a thermoplastic elastomer composition with good oil permeability resistance (oil impermeability). The present disclosure pertains to a thermoplastic elastomer composition containing an ethylene copolymer (A) having a weight-average molecular weight of 350,000 or more, a crystalline olefin polymer (B), a crosslinking agent (C), and a plasticizer (D), wherein the content of the plasticizer (D) is less than 130 parts by mass based on 100 parts by mass of the copolymer (A).

IPC Classes  ?

  • C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers

28.

ETHYLENIC POLYMER PARTICLE, METHOD FOR PRODUCING ETHYLENIC POLYMER PARTICLE, STRETCH-MOLDED BODY, METHOD FOR PRODUCING STRETCH-MOLDED BODY, AND USE OF SAME

      
Application Number 18832167
Status Pending
Filing Date 2023-01-30
First Publication Date 2025-05-08
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kiyosawa, Kuniomi
  • Shimoda, Manabu
  • Nishino, Fumiaki
  • Tsurugi, Kou
  • Yanagimoto, Yasushi

Abstract

One embodiment of the present invention is an ethylenic polymer particle, having a specific surface area of larger than 2.00 m2/g and 30.0 m2/g or smaller, as determined by a BET method from the adsorption/desorption isotherms measured by a nitrogen gas adsorption method, and a median diameter (D50) of 20 μm or larger and 700 μm or smaller as determined by laser diffraction/scattering.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 110/02 - Ethene

29.

METHOD FOR MANUFACTURING INSULATED WIRE, INSULATED WIRE, COIL, AND MOTOR

      
Application Number JP2024038973
Publication Number 2025/095086
Status In Force
Filing Date 2024-10-31
Publication Date 2025-05-08
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tsugane, Yasuhito
  • Washio, Isao
  • Sano, Kouichi

Abstract

Provided are: a method for manufacturing an insulated wire including a conductor and a coating which is composed of a thermoplastic resin having a melting point of 340°C or higher or a glass transition temperature of 200°C or higher, or a resin composition containing the thermoplastic resin, the method comprising a step for preheating the conductor to a temperature higher than 250°C but not higher than 400°C, and a step for extrusion-coating the preheated conductor with the thermoplastic resin or the resin composition containing the thermoplastic resin; an insulated wire; a coil; and a motor.

IPC Classes  ?

  • H01B 13/14 - Insulating conductors or cables by extrusion

30.

RESIN, MOLDED BODY, OPTICAL MATERIAL, LENS, 2,5-BIS(ISOCYANATOMETHYL)FURAN, AND POLYMERIZABLE COMPOSITION

      
Application Number 18835760
Status Pending
Filing Date 2023-03-01
First Publication Date 2025-05-01
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Hanawa, Takayuki

Abstract

A resin includes a cured product of a polymerizable composition including a compound represented by the following general formula (1) and a thiol compound having one or more mercapto groups, and a biomass degree of the resin is 15% or more. In the general formula (1), each of R1 and R2 independently represent a hydrogen atom or a methyl group, and n represents an integer of 0 or 1. A resin includes a cured product of a polymerizable composition including a compound represented by the following general formula (1) and a thiol compound having one or more mercapto groups, and a biomass degree of the resin is 15% or more. In the general formula (1), each of R1 and R2 independently represent a hydrogen atom or a methyl group, and n represents an integer of 0 or 1.

IPC Classes  ?

  • C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
  • C07D 307/50 - Preparation from natural products
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

31.

CURABLE COMPOSITION, CURED PRODUCT, MOLDED BODY, AND OPTICAL MATERIAL

      
Application Number 18835777
Status Pending
Filing Date 2023-02-17
First Publication Date 2025-05-01
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Tsukada, Yuichi

Abstract

Provided are a curable composition containing a compound having two or more thio(meth)acrylate groups and a compound represented by Formula (1), a cured product obtained by curing the curable composition, a molded body including the cured product, and an optical material including the molded body.

IPC Classes  ?

  • C08F 228/02 - 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 bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

32.

WATER-DISPERSED POLYISOCYANATE COMPOSITION, CURING AGENT, AQUEOUS POLYURETHANE RESIN COMPOSITION, TWO-COMPONENT CURABLE POLYURETHANE RESIN COMPOSITION, AND ARTICLE

      
Application Number 18836186
Status Pending
Filing Date 2023-03-02
First Publication Date 2025-05-01
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Usui, Yuta
  • Takamatsu, Koji

Abstract

A water-dispersed polyisocyanate composition includes a water-dispersed polyisocyanate (A) and a non-water-dispersed polyisocyanate (B). The water-dispersed polyisocyanate (A) contains a reaction product of a first polyisocyanate component (a1) and a hydrophilic active hydrogen component (a2). The hydrophilic active hydrogen component (a2) has a hydrophilic group and an active hydrogen group. The hydrophilic group contains an anionic group and/or a nonionic group. The non-water-dispersed polyisocyanate (B) contains a second polyisocyanate component (b1), and does not contain a reaction product of the second polyisocyanate component (b1) and the hydrophilic active hydrogen component containing a hydrophilic group. A content ratio of the water-dispersed polyisocyanate (A) is 10% by mass or more.

IPC Classes  ?

  • C09D 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
  • C08G 18/08 - Processes
  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates

33.

THERMOPLASTIC ELASTOMER COMPOSITION, MOLDED BODY, AND AUTOMOTIVE COMPONENT

      
Application Number JP2024038035
Publication Number 2025/089365
Status In Force
Filing Date 2024-10-25
Publication Date 2025-05-01
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Ishikawa Ryo

Abstract

ADD) of the propylene-based block copolymer (A) to a nucleating agent (D) that is a phosphate ester salt is 300 to 1,100. Also provided are a thermoplastic elastomer molded body and an automotive component.

IPC Classes  ?

  • C08L 23/08 - Copolymers of ethene
  • B60R 21/215 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
  • C08K 5/523 - Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
  • C08L 23/14 - Copolymers of propene
  • C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers

34.

THERMOPLASTIC ELASTOMER COMPOSITION, MOLDED BODY, AND AUTOMOTIVE COMPONENT

      
Application Number JP2024038036
Publication Number 2025/089366
Status In Force
Filing Date 2024-10-25
Publication Date 2025-05-01
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Ishikawa Ryo

Abstract

Provided is a thermoplastic elastomer composition wherein: the amount of a propylene-based block copolymer (A) having an MFR as measured under the conditions of 230°C and a 2.16 kg load in accordance with ASTM D1238 of 50 g/10 min or less and having an ethylene-derived structural unit content of 6.0 mass% or more relative to all structural units is 30-55 mass%; the amount of an ethylene-based copolymer rubber (B) is 25-70 mass%; and the amount of an at least partially crosslinked ethylene-based copolymer rubber (C) is 0-20 mass% (provided that the total amount of the propylene-based block copolymer (A), the ethylene-based copolymer rubber (B), and the ethylene-based copolymer rubber (C) is 100 mass%). Also provided are a thermoplastic elastomer molded body and an automotive component.

IPC Classes  ?

  • C08L 23/08 - Copolymers of ethene
  • B60R 21/215 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
  • C08L 23/14 - Copolymers of propene

35.

OPTICAL MEMBER PRODUCTION METHOD AND OPTICAL MEMBER

      
Application Number 18835775
Status Pending
Filing Date 2023-02-27
First Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kasori, Yuki
  • Suesugi, Kouji
  • Matsui, Yusuke
  • Torii, Tadashi

Abstract

A method of producing an optical member includes: bonding a film to outer peripheral faces of a mold substrate and a resin substrate that are arranged to face each other with a predetermined spacing therebetween, thereby forming a space enclosed by the mold substrate, the resin substrate, and the film; injecting a polymerizable composition into the space; and curing the polymerizable composition injected into the space, thereby obtaining a cured material. The film satisfies at least one of the following conditions (i) and (ii): in a case in which the film is bonded to the resin substrate and subjected to a heat-resistance index test at 50° C. for 3 minutes, (i) the film does not detach from the resin substrate, and (ii) the film exhibits a stretch ratio of more than 0%.

IPC Classes  ?

  • B29D 11/00 - Producing optical elements, e.g. lenses or prisms
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 3/00 - Simple or compound lenses

36.

METHOD FOR PRODUCING THIOESTER COMPOUND, AND THIOESTER COMPOUND

      
Application Number JP2024036383
Publication Number 2025/084229
Status In Force
Filing Date 2024-10-11
Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yoneda, Shuhei
  • Tsukada, Yuichi

Abstract

To provide a method for producing a thioester compound. The raw material component contains (A) a carboxylic acid, (B) a halide of toluenesulfonic acid, (C) a first tertiary amine compound, (D) a second tertiary amine compound, and (E) thiol. The reaction includes a first reaction for reacting (A) and (B) in the presence of (C) to obtain a first intermediate product, a second reaction for reacting the first intermediate product with (D) to obtain a second intermediate product, and a third reaction for reacting the second intermediate product with (E) to obtain a thioester compound. The acid dissociation constant of a conjugate acid (C) is 7.8 or more. (D) contains a cyclic-structure-containing amine having two or more tertiary amino groups per molecule. The amount of (C) is from 1 equivalent to less than 2 equivalents, the amount of (D) is from 1 equivalent to less than 2 equivalents, and the total amount of (C) and (D) is less than 3 equivalents, all relative to the carboxy groups of (A).

IPC Classes  ?

  • C07C 327/22 - Esters of monothiocarboxylic acids having carbon atoms of esterified thiocarboxyl groups bound to hydrogen atoms or to acyclic carbon atoms

37.

(METH)ACRYLAMIDE COMPOUND, MONOMER COMPOSITION, COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIAL

      
Application Number 18681119
Status Pending
Filing Date 2022-09-06
First Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC (Japan)
Inventor Kakinuma, Naoyuki

Abstract

A monomer composition for a dental material containing a (meth)acrylamide compound (A) including a cyclic structure and a (meth)acrylamide group.

IPC Classes  ?

  • A61K 6/891 - Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C07C 233/41 - 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 amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a ring other than a six-membered aromatic ring
  • C07C 233/44 - 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 amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring having the carbon atom of the carboxamide group bound to a carbon atom of an unsaturated carbon skeleton

38.

METHOD FOR PRODUCING (METH)ACRYLAMIDE COMPOUND

      
Application Number 18682240
Status Pending
Filing Date 2022-09-06
First Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Kakinuma, Naoyuki

Abstract

A method for producing a (meth)acrylamide compound, comprising synthesizing a (meth)acrylamide compound (X) by reacting a (meth)acrylic acid with a primary amine compound in the presence of a condensing agent.

IPC Classes  ?

  • C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

39.

CYCLIC OLEFIN-BASED COPOLYMER, CYCLIC OLEFIN-BASED COPOLYMER COMPOSITION, VARNISH, CROSSLINKED BODY, FILM OR SHEET, LAYERED PRODUCT, CIRCUIT BOARD, ELECTRONIC DEVICE, AND PREPREG

      
Application Number 18835640
Status Pending
Filing Date 2023-02-01
First Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Ueno, Manami
  • Murase, Hirohiko
  • Takeuchi, Fumito

Abstract

A cyclic olefin-based copolymer including: (A) structural units (A) derived from one or more olefins represented by General Formula (I), (B) structural units (B) derived from one or more cyclic non-conjugated dienes represented by General Formula (II), and (C) structural units (C) derived from one or more cyclic olefins represented by General Formula (III). A cyclic olefin-based copolymer including: (A) structural units (A) derived from one or more olefins represented by General Formula (I), (B) structural units (B) derived from one or more cyclic non-conjugated dienes represented by General Formula (II), and (C) structural units (C) derived from one or more cyclic olefins represented by General Formula (III).

IPC Classes  ?

  • C08F 236/20 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
  • C08F 232/08 - Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having condensed rings
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • C08J 7/04 - Coating
  • C09D 7/20 - Diluents or solvents
  • C09D 145/02 - Coumarone-indene polymers

40.

POLYAMIDE RESIN COMPOSITION AND MOLDED OBJECT

      
Application Number JP2024036744
Publication Number 2025/084296
Status In Force
Filing Date 2024-10-16
Publication Date 2025-04-24
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Amano, Akinori
  • Washio, Isao
  • Doi, Haruka

Abstract

A polyamide resin composition comprising polyamide resins and a phosphinic acid salt compound (C), the content of which is 10.0-22.0 parts by mass per 100 parts by mass of the polyamide resins, wherein the polyamide resins include a polyamide resin (A) having a melting point, as determined with a differential scanning calorimeter (DSC), of 280°C or higher and an intrinsic viscosity [η], as determined at a temperature of 25°C in 96.5% sulfuric acid, of 0.90 dl/g or higher and a polyamide resin (B) having a quantity of heat of fusion, as determined with a differential scanning calorimeter (DSC), of 0-5 J/g.

IPC Classes  ?

  • C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
  • C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 5/5313 - Phosphinic compounds, e.g. R2=P(:O)OR'

41.

(METH)ACRYLATE AND USE THEREOF

      
Application Number 18989025
Status Pending
Filing Date 2024-12-20
First Publication Date 2025-04-17
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Kakinuma, Naoyuki

Abstract

It is an object of the present invention to provide a monomer which can provide a cured product having both high toughness and rigidity. The present invention is a (meth)acrylate (D) which is a reaction product of a thiol compound (A) having two or more mercapto groups; an iso(thio)cyanate compound (B) having two or more iso(thio)cyanato groups; and a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups.

IPC Classes  ?

42.

XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BODY, OPTICAL ELEMENT, AND LENS

      
Application Number JP2024035768
Publication Number 2025/079550
Status In Force
Filing Date 2024-10-07
Publication Date 2025-04-17
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Nakai, Shinnosuke

Abstract

This xylylene diisocyanate composition contains xylylene diisocyanate and isocyanatomethyl benzoyl chloride.

IPC Classes  ?

  • C07C 265/14 - Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
  • C07C 263/10 - Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
  • C07C 263/18 - SeparationPurificationStabilisationUse of additives
  • C07C 321/14 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

43.

TAKELAC

      
Serial Number 99141774
Status Pending
Filing Date 2025-04-17
Owner MITSUI CHEMICALS, INC. (Japan)
NICE Classes  ? 01 - Chemical and biological materials for industrial, scientific and agricultural use

Goods & Services

chemicals; industrial chemicals; chemicals for the manufacture of polyurethanes; chemicals for the manufacture of polyolefin; polyols; polyether polyol; polyolefin resin; Unprocessed polyolefin resins; unprocessed synthetic resins; unprocessed artificial resins; Unprocessed polyurethane resins; Unprocessed polyester resins; polyurethane raw material for use in manufacturing in a wide variety of industries; polyolefin raw material for use in manufacturing in a wide variety of industries; polyurethane raw material for packaging; polyurethane raw material for food contact packaging; polyolefin raw material for packaging; polyolefin raw material for food contact packaging; water-based polyurethane resin; unprocessed plastics, namely, plastics in primary form; dispersions of plastics for use in the manufacture of wide variety of goods; dispersions of resins for use in the manufacture of wide variety of goods; polyurethane dispersion; Polyolefin resin in dispersion form; polyurethane prepolymer; polyurethane prepolymer resin; polymer resin; Polyurethanes

44.

POLYFUNCTIONAL (METH)ACRYLATE THIOESTER COMPOSITION, CURABLE COMPOSITION, CURED PRODUCT, MOLDED BODY, OPTICAL MATERIAL, AND METHOD FOR PRODUCING POLYFUNCTIONAL (METH)ACRYLATE THIOESTER COMPOSITION

      
Application Number 18729265
Status Pending
Filing Date 2023-02-17
First Publication Date 2025-04-10
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Tsukada, Yuichi

Abstract

Provided are a polyfunctional (meth)acrylate thioester composition containing a polyfunctional (meth)acrylate thioester compound represented by Formula (1), a curable composition containing the polyfunctional (meth)acrylate thioester composition, a cured product obtained by curing the curable composition, a molded body including the cured product, and an optical material including the molded body.

IPC Classes  ?

  • C08F 28/02 - 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 bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

45.

NON-ORIENTED FILM, LAMINATED BODY, AND PACKAGE

      
Application Number 18729788
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-04-10
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Mizuma, Takahiro
  • Shiozaki, Nao
  • Egawa, Makoto
  • Kai, Yuki
  • Kamiya, Nozomi
  • Hoya, Hiroshi

Abstract

The present invention relates to a non-oriented film, a laminated body, and a package, the non-oriented film has a sealant layer composed of a resin composition including a propylene-based polymer (A), a 1-butene/α-olefin copolymer (B), and a propylene/α-olefin copolymer (C) in predetermined fractions and a substrate layer: the propylene-based polymer (A) has a melting point (Tm) measured by differential scanning calorimetry (DSC) of 120° C. or higher and 170° C. or lower; the copolymer (B) has a melting point measured by DSC of lower than 120° C. and contains 51 to 99 mol % of a 1-butene-derived constitutional unit and 1 to 49 mol % of an α-olefin-derived constitutional unit; the copolymer (C) has a melting point measured by DSC of lower than 120° C. and contains 51 to 95 mol % of a propylene-derived constitutional unit and 5 to 49 mol % of an α-olefin-derived constitutional unit.

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • C09J 7/24 - PlasticsMetallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • C09J 7/35 - Heat-activated

46.

RESIN COMPOSITION AND FILM

      
Application Number JP2024035313
Publication Number 2025/075048
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-10
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Yasui Motoyasu

Abstract

The present invention provides: a resin composition (X) and a molded body and a film that contain the resin composition (X). Said resin composition (X) contains 50-95 mass parts of polybutylene terephthalate (A) and 5-50 mass parts of a 4-methyl-1-pentene∙α-olefin copolymer (B) satisfying the following requirement (B-a) (where the total of the polybutylene terephthalate (A) and the 4-methyl-1-pentene∙α-olefin copolymer (B) is 100 mass parts). Requirement (B-a): said 4-methyl-1-pentene∙α-olefin copolymer (B) is composed of 60-90 mol% of structural units (i) derived from 4-methyl-1-pentene and 10-40 mol% of structural units (ii) derived from a C2-4 α-olefin (where the total of structural units (i) and structural units (ii) is 100 mol %).

IPC Classes  ?

  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08F 210/14 - Monomers containing five or more carbon atoms
  • C08J 5/18 - Manufacture of films or sheets
  • C08L 23/20 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
  • C08L 25/04 - Homopolymers or copolymers of styrene
  • C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers

47.

LAMINATED FILM, CONTAINER, CELL CULTURE CONTAINER, CELL CULTURE METHOD AND METHOD FOR MANUFACTURING CELL CULTURE CONTAINER

      
Application Number 18695499
Status Pending
Filing Date 2022-11-09
First Publication Date 2025-04-10
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Katayama, Yoshiyuki

Abstract

A laminated film includes a first polyolefin-based resin layer including a first polyolefin-based resin having a melting point of from 95° C. to 200° C., a second polyolefin-based resin layer including a second polyolefin-based resin having a melting point of less than 95° C., and a third polyolefin-based resin layer including a third polyolefin-based resin having a melting point of from 95° C. to 200° C., which are disposed in this order. The laminated film has an oxygen permeability of from 7,500 mL/m2·day·atm to 85,000 mL/m2·day·atm.

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
  • B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
  • B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
  • B29K 23/00 - Use of polyalkenes as moulding material
  • B29L 31/00 - Other particular articles
  • B32B 7/02 - Physical, chemical or physicochemical properties
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • C12M 1/00 - Apparatus for enzymology or microbiology

48.

RESIN COMPOSITION FOR LENS, CURED SUBSTANCE FOR LENS, AND LENS

      
Application Number 18726295
Status Pending
Filing Date 2022-12-21
First Publication Date 2025-04-10
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tsukada, Yuichi
  • Mizobe, Yuji

Abstract

There is provided a resin composition for a lens, which contains a photocationic polymerization initiator (X) including a salt formed from an anion represented by General Formula (1) and a cation and contains an epoxy compound (Y) containing two or more epoxy groups in a molecule. (In General Formula (1), R1 to R4 each independently represent an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 14 carbon atoms.)

IPC Classes  ?

  • C08G 59/22 - Di-epoxy compounds
  • C08G 59/24 - Di-epoxy compounds carbocyclic
  • C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

49.

POLYTHIOL COMPOSITION AND APPLICATION OF SAME

      
Application Number 18729204
Status Pending
Filing Date 2023-01-26
First Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Nakai, Shinnosuke

Abstract

A polythiol composition, comprising a polythiol compound, wherein: the polythiol composition comprises a compound C2 that has a retention time of from 16.0 minutes to 19.0 minutes in a high-performance liquid chromatography measurement performed under a specific measurement conditions A, and in the high-performance liquid chromatography measurement, the compound C2 has a peak area of 1.000 or more with respect to a total of 100 of a peak area of the compound C2 and a peak area of a main component of the polythiol composition.

IPC Classes  ?

  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • C07C 321/14 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C08J 5/18 - Manufacture of films or sheets

50.

RESIN COMPOSITION, MOLDED BODY, AND OPTICAL COMPONENT

      
Application Number JP2024033632
Publication Number 2025/070288
Status In Force
Filing Date 2024-09-20
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Kasuya Masakatsu
  • Fujimura Futoshi
  • Hiyamizu Taiju

Abstract

This resin composition comprises (A) a cyclic olefin-based copolymer and (B) a fatty acid ester composition including pentaerythritol (B-1) and a fatty acid ester (B-2) of pentaerythritol, wherein the cyclic olefin-based copolymer (A) includes at least one olefin-derived repeating unit (a) represented by general formula (I) and at least one cyclic olefin monomer-derived repeating unit (b) selected from the group consisting of a repeating unit (AA) represented by general formula (II), a repeating unit (AB) represented by general formula (III), and a repeating unit (AC) represented by general formula (IV); the content of pentaerythritol (B-1) in the fatty acid ester composition (B) is 5.0% by mass or less when the total content of pentaerythritol (B-1) and the fatty acid ester (B-2) of pentaerythritol in the fatty acid ester composition (B) is taken as 100% by mass.

IPC Classes  ?

  • C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
  • C08F 232/00 - Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
  • C08K 5/053 - Polyhydroxylic alcohols
  • C08K 5/098 - Metal salts of carboxylic acids
  • C08K 5/103 - EstersEther-esters of monocarboxylic acids with polyalcohols
  • C08K 5/17 - AminesQuaternary ammonium compounds
  • C08L 45/00 - Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemCompositions of derivatives of such polymers
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

51.

PELLET FOR THREE-DIMENSIONAL MODELING

      
Application Number JP2024033958
Publication Number 2025/070401
Status In Force
Filing Date 2024-09-24
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Yoda, Yusuke

Abstract

This pellet for three-dimensional modeling contains a crosslinked body of a composition containing 100 parts by mass of an olefin-based copolymer rubber, 55-150 parts by mass of a crystalline propylene resin, and 50-150 parts by mass of a softener.

IPC Classes  ?

52.

ANTIVIRAL AGENT

      
Application Number JP2024034253
Publication Number 2025/070528
Status In Force
Filing Date 2024-09-25
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Miyauchi, Yuta
  • Shinohara, Naoki

Abstract

This antiviral agent contains a blocked isocyanate. The blocked isocyanate comprises a capped polyisocyanate residue (A), an antiviral-non-block cap group (B), and a non-antiviral-block cap group (C). The capped polyisocyanate residue (A) is obtained by capping isocyanate groups in a polyisocyanate having a plurality of isocyanate groups. In the antiviral-non-block cap group (B), at least some of the plurality of isocyanate groups are capped in a non-reproducible manner. In the non-antiviral-block cap group (C), at least some of the plurality of isocyanate groups are capped in a reproducible manner. The antiviral-non-block sealing group (B) includes a quaternary ammonium group.

IPC Classes  ?

  • A01N 33/12 - Quaternary ammonium compounds
  • A01N 43/64 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
  • A01P 3/00 - Fungicides
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G 18/80 - Masked polyisocyanates

53.

CYCLIC OLEFIN RESIN COMPOSITION, MOLDED ARTICLE, AND OPTICAL COMPONENT

      
Application Number 18836399
Status Pending
Filing Date 2023-02-02
First Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Hamada, Yuya
  • Soeda, Yasuyuki
  • Fujimura, Futoshi
  • Kasuya, Masakatsu
  • Okuno, Takayuki

Abstract

A cyclic olefin resin composition of the present invention contains a cyclic olefin copolymer (A) and a boric acid ester compound (B).

IPC Classes  ?

  • C08K 5/55 - Boron-containing compounds
  • C08F 232/08 - Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having condensed rings
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

54.

ANTIFUNGAL AGENT

      
Application Number JP2024034254
Publication Number 2025/070529
Status In Force
Filing Date 2024-09-25
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Miyauchi, Yuta
  • Shinohara, Naoki

Abstract

This antifungal agent contains a blocked isocyanate. The blocked isocyanate comprises a capped polyisocyanate residue (A), an antifungal non-blocked capped group (B), and a non-antifungal blocked capped group (C). The capped polyisocyanate residue (A) is produced by capping an isocyanate group in a polyisocyanate having a plurality of isocyanate groups. In the antifungal non-blocked capped group (B), at least some of the plurality of isocyanate groups are capped in a non-reproducible manner. In the antifungal blocked capped group (C), at least some of the plurality of isocyanate groups are capped in a reproducible manner. The antifungal non-blocked capped group (B) includes a quaternary ammonium group.

IPC Classes  ?

  • A01N 33/12 - Quaternary ammonium compounds
  • A01N 43/56 - 1,2-DiazolesHydrogenated 1,2-diazoles
  • A01N 43/64 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
  • A01P 3/00 - Fungicides
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G 18/80 - Masked polyisocyanates

55.

CELL CONTAINER, METHOD FOR PRODUCING SAME, PORT MEMBER, AND METHOD FOR CULTURING CELLS

      
Application Number JP2024034388
Publication Number 2025/070587
Status In Force
Filing Date 2024-09-26
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Noda, Taito
  • Matayoshi, Tomoya
  • Watanabe, Takayuki
  • Horiya, Ryota
  • Noma, Satoshi
  • Furuta, Eri
  • Shiozaki, Nao
  • Takahashi, Jun

Abstract

This cell container comprises: a resin bag member; and a port member which includes a molded body of a resin composition and communicates the inside and the outside of the bag member. The bag member includes a multilayer resin film which includes a surface layer, a core layer, and a heat seal layer in this order from the outside toward the inside of the cell container, and the heat seal layer contains a 4-methyl-1-pentene-based copolymer.

IPC Classes  ?

  • C12M 1/00 - Apparatus for enzymology or microbiology
  • A61J 1/10 - Bag-type containers
  • C08J 5/18 - Manufacture of films or sheets
  • C12N 1/00 - Microorganisms, e.g. protozoaCompositions thereofProcesses of propagating, maintaining or preserving microorganisms or compositions thereofProcesses of preparing or isolating a composition containing a microorganismCulture media therefor

56.

MANAGEMENT SYSTEM

      
Application Number JP2024034531
Publication Number 2025/070666
Status In Force
Filing Date 2024-09-26
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Sasaki, Taisei
  • Ito, Tomoaki
  • Sugiyama, Kazuto

Abstract

This management system serves to: select a suitable combination of a material of a product and an identification substance for adding information to the material, the combination being suitable in terms of the functionality of the identification substance and the characteristics of the product of the material; and determine and manage the combination of the material and the identification substance. The system involves: a first database that accepts designated input information relating to a material or identification substance, and that stores information on the material; and a second database that stores information on the identification substance. From these databases, a combination of an identification substance and a material in accordance with the input information is selected using selection conditions determined in advance with regard to the information on the material and the information on the identification substance.

IPC Classes  ?

  • G06Q 10/30 - Administration of product recycling or disposal
  • C08J 11/00 - Recovery or working-up of waste materials

57.

FORMWORK, CONCRETE PRODUCTION METHOD, AND CONCRETE

      
Application Number JP2024034532
Publication Number 2025/070667
Status In Force
Filing Date 2024-09-26
Publication Date 2025-04-03
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yamano, Toshiaki
  • Yoda, Yusuke
  • Hamamoto, Takuya
  • Takeuchi, Fumito

Abstract

Formwork according to the present disclosure is for pouring fresh concrete thereinto. The formwork comprises a plurality of boards. The plurality of boards have at least one board-like shaped object in which a surface that contact the fresh concrete has formed therein a lamination mark caused by additive manufacturing. The board-like shaped object is disposed such that, during formwork removal, the board-like shaped object can be removed toward a specific direction from concrete that is formed by curing the fresh concrete. The specific direction is the direction in which the lamination mark extends and a direction perpendicular to the direction in which layers constituting the board-like shaped object are stacked.

IPC Classes  ?

  • B28B 7/34 - Moulds, cores, or mandrels of special material, e.g. destructible materials
  • B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
  • B33Y 80/00 - Products made by additive manufacturing

58.

ASCORBIC ACID DERIVATIVE, ADDITIVE FOR POLYMERIZATION INITIATION, POLYMERIZATION INITIATOR, KIT FOR PREPARING CURABLE COMPOSITION, CURABLE COMPOSITION, CURED OBJECT, AND DENTAL MATERIAL

      
Application Number JP2024027416
Publication Number 2025/062848
Status In Force
Filing Date 2024-07-31
Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Takahashi, Issei

Abstract

Provided is an ascorbic acid derivative which is an ascorbic acid compound represented by formula (1) or a salt thereof. In formula (1), R1and R2 are groups, one of which is a C2 or higher monovalent organic group and the other of which is a C1 or higher monovalent organic group, or which are bonded to each other to form an optionally substituted ring.

IPC Classes  ?

  • C07D 407/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • A61K 6/60 - Preparations for dentistry comprising organic or organo-metallic additives
  • A61K 6/61 - Cationic, anionic or redox initiators
  • A61K 6/887 - Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C07D 493/10 - Spiro-condensed systems
  • C07D 495/10 - Spiro-condensed systems
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 4/34 - Per-compounds with one peroxy-radical

59.

METHOD FOR PRODUCING HOLLOW ARTICLE AND HOLLOW ARTICLE

      
Application Number JP2024030542
Publication Number 2025/062971
Status In Force
Filing Date 2024-08-27
Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tominaga, Takahiro
  • Morimoto, Kai

Abstract

In this method for producing a hollow article according to the present disclosure, a hollow article that has a pair of main surfaces is produced. The hollow article comprises a pair of metallic plates that constitute the pair of main surfaces, a flow passage wall part, and a resin fixation part. The method for producing a hollow article according to the present disclosure comprises: a preparation step; forming a gap in which the pair of metallic plates face each other; and forming the resin fixation part in the gap by insert molding. A mold that is used in the insert molding comprises: a first surface that is in contact with one of the pair of metallic plates; a second surface that is in contact with the other of the pair of metallic plates; and at least one gate for pouring a molten resin composition, which is a raw material for the resin fixation part, into the mold. The gate is formed on at least one of the first surface and the second surface.

IPC Classes  ?

  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
  • H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

60.

POLYTHIOURETHANE FILM, EYEGLASS LENS MATERIAL, EYEGLASS LENS, AND METHOD OF PRODUCING EYEGLASS LENS

      
Application Number 18729912
Status Pending
Filing Date 2023-01-24
First Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Watanabe, Makoto
  • Oiki, Motoharu
  • Kawato, Nobuo

Abstract

A polythiourethane film comprising polythiourethane, wherein the polythiourethane is a reaction product of a bifunctional thiol compound, a trifunctional or higher thiol compound, and an isocyanate compound.

IPC Classes  ?

  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 1/14 - Protective coatings, e.g. hard coatings
  • G02C 7/10 - Filters, e.g. for facilitating adaptation of the eyes to the darkSunglasses

61.

RESIN COMPOSITION, MOLDED BODY, LAMINATE AND LAMINATED TUBE

      
Application Number 18729990
Status Pending
Filing Date 2023-03-24
First Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Yamasaki, Takashi
  • Shimanuki, Akane
  • Izaike, Yuhei
  • Ogawa, Yoshiyuki
  • Sasaki, Takanori

Abstract

A resin composition containing 40 to 90 mass % of a biomass-derived polyolefin (A) obtained by polymerizing a monomer component mainly containing a biomass-derived ethylene (x), 25 to 50 mass % of a linear low-density polyethylene (B) having a density of 0.90 to 0.93 g/cm3 and 1 to 10 mass % of a modified polyolefin (C) (provided that a sum of the (A), the (B) and the (C) is 100 mass %), in which a biomass content Pbio of the polyolefin (A) is 90% or more, and a biomass content Pbio of the resin composition is 50% or more, a formed body containing the same, a multilayer body, and a multilayer tube including the same. A resin composition containing 40 to 90 mass % of a biomass-derived polyolefin (A) obtained by polymerizing a monomer component mainly containing a biomass-derived ethylene (x), 25 to 50 mass % of a linear low-density polyethylene (B) having a density of 0.90 to 0.93 g/cm3 and 1 to 10 mass % of a modified polyolefin (C) (provided that a sum of the (A), the (B) and the (C) is 100 mass %), in which a biomass content Pbio of the polyolefin (A) is 90% or more, and a biomass content Pbio of the resin composition is 50% or more, a formed body containing the same, a multilayer body, and a multilayer tube including the same. Pbio(%)=pMC/105.5×100 A resin composition containing 40 to 90 mass % of a biomass-derived polyolefin (A) obtained by polymerizing a monomer component mainly containing a biomass-derived ethylene (x), 25 to 50 mass % of a linear low-density polyethylene (B) having a density of 0.90 to 0.93 g/cm3 and 1 to 10 mass % of a modified polyolefin (C) (provided that a sum of the (A), the (B) and the (C) is 100 mass %), in which a biomass content Pbio of the polyolefin (A) is 90% or more, and a biomass content Pbio of the resin composition is 50% or more, a formed body containing the same, a multilayer body, and a multilayer tube including the same. Pbio(%)=pMC/105.5×100 (in the equation, pMC indicates the content of radiocarbon 14C in the polyolefin (A) or the resin composition that is obtained in accordance with ASTM D6866.)

IPC Classes  ?

  • C08L 23/06 - Polyethene
  • B32B 1/08 - Tubular products
  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins

62.

NON-ORIENTED FILM, LAMINATED BODY, AND PACKAGE

      
Application Number 18730850
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Mizuma, Takahiro
  • Shiozaki, Nao
  • Kamiya, Nozomi
  • Egawa, Makoto
  • Kai, Yuki
  • Hoya, Hiroshi

Abstract

The present invention relates to a non-oriented film, a laminated body, and a package; the non-oriented film has a sealant layer composed of a resin composition including 30 to 90 mass % of a propylene-based polymer (A) and 10 to 70 mass % of a 1-butene/α-olefin copolymer (B), and a substrate layer; the propylene-based polymer (A) has a melting point (Tm) measured by differential scanning calorimetry (DSC) of 120° C. or higher and 135° C. or lower, and contains 50 to 90 mol % of a propylene-derived constitutional unit; the copolymer (B) has a melting point measured by DSC of lower than 120° C. or has no melting point observed by DSC, and contains 50 to 99 mol % of a 1-butene-derived constitutional unit and 1 to 50 mol % of an α-olefin-derived constitutional unit (provided that a total of the 1-butene-derived constitutional unit and the α-olefin-derived constitutional unit is 100 mol %), the sealant layer has a thickness of 3 to 30 μm, and the substrate layer has a thickness of 10 to 100 μm.

IPC Classes  ?

  • B29C 48/08 - Flat, e.g. panels flexible, e.g. films
  • B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
  • B29K 23/00 - Use of polyalkenes as moulding material
  • B29L 7/00 - Flat articles, e.g. films or sheets
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters

63.

4-METHYL-1-PENTENE COPOLYMER COMPOSITION, MOLDED BODY, MANDREL, AND METHOD FOR PRODUCING RUBBER HOSE

      
Application Number 18838596
Status Pending
Filing Date 2022-10-26
First Publication Date 2025-03-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Uekusa, Takayuki
  • Yasui, Motoyasu
  • Fukagawa, Yoshisada

Abstract

A 4-methyl-1-pentene copolymer composition (X), including 50 to 90 parts by mass of a 4-methyl-1-pentene-based polymer (A) having a melting point in a range of 200 to 250° C. as measured by DSC, 5 to 30 parts by mass of a 4-methyl-1-pentene-based polymer (B) having a melting point of lower than 200° C. or having no melting point observed as measured by DSC, and 5 to 30 parts by mass of a thermoplastic elastomer (C) other than the (A) and the (B), and satisfying the following requirements (a) and (b), a molded body composed of the composition (X), and a method for producing a rubber hose. Requirement (a): the tan δ peak temperature determined by dynamic viscoelasticity measurement in a temperature range of 0 to 240° C. at a frequency of 10 rad/s is 0 to 60° C.; and requirement (b): the tan δ peak value determined by dynamic viscoelasticity measurement in a temperature range of 0 to 100° C. at a frequency of 10 rad/s is 0.15 to 0.8.

IPC Classes  ?

  • C08L 23/24 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having ten or more carbon atoms
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
  • B29K 21/00 - Use of unspecified rubbers as moulding material
  • B29K 23/00 - Use of polyalkenes as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29L 23/00 - Tubular articles
  • C08L 23/20 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms

64.

PREPOLYMER COMPOSITION, POLYURETHANE RESIN, ELASTIC MOLDED ARTICLE, AND METHOD OF PRODUCING PREPOLYMER COMPOSITION

      
Application Number 18724073
Status Pending
Filing Date 2023-02-07
First Publication Date 2025-03-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Maekawa, Kazuhiro

Abstract

A prepolymer composition containing an isocyanate group-terminated prepolymer is provided. The isocyanate group-terminated prepolymer contains a reaction product of a polyisocyanate component including 1,4-bis(isocyanatomethyl)cyclohexane and a polyol component. The isocyanate group-terminated prepolymer has a dispersion index (Mw/Mn) of 1.85 or less. The prepolymer composition has an isocyanate group concentration of 14.0% by mass or less.

IPC Classes  ?

  • C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic

65.

PREPOLYMER COMPOSITION, POLYURETHANE RESIN, ELASTIC MOLDED ARTICLE, AND METHOD OF PRODUCING PREPOLYMER COMPOSITION

      
Application Number 18724079
Status Pending
Filing Date 2023-02-07
First Publication Date 2025-03-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Maekawa, Kazuhiro

Abstract

A prepolymer composition containing an isocyanate group-terminated prepolymer is provided. The isocyanate group-terminated prepolymer contains a reaction product of a polyisocyanate component including 1,4-bis(isocyanatomethyl) cyclohexane and a polyol component including a first macrodiol and a second macrodiol. The first macrodiol has a hydroxyl group value of more than 56.1 mgKOH/g and less than 172 mgKOH/g. The second macrodiol has a hydroxyl group value of 374 mgKOH/g or more and 561 mgKOH/g or less. The ratio of the second macrodiol with respect to the total mol of the first macrodiol and the second macrodiol is 30 to 55 mol %.

IPC Classes  ?

  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines

66.

PELLICLE, EXPOSURE MASTER, EXPOSURE DEVICE, PELLICLE PRODUCTION METHOD AND TEST METHOD FOR MASK ADHESIVE LAYER

      
Application Number 18727572
Status Pending
Filing Date 2023-01-26
First Publication Date 2025-03-20
Owner
  • Mitsui Chemicals, Inc. (Japan)
  • ASAHI KASEI KABUSHIKI KAISHA (Japan)
Inventor
  • Yoshimura, Yutaka
  • Kakihara, Keiichi
  • Tanaka, Ryo
  • Maruyama, Yuji
  • Higashi, Masatsugu
  • Yamauchi, Masakazu
  • Tanaka, Tomokazu

Abstract

Provided is a pellicle, including a frame on which a pellicle film is placed and a mask adhesive layer which is placed on the frame, wherein when an attachment portion S1 of the adhesive layer to a quartz mask is irradiated with xenon (Xe) excimer lamp light from a back surface of the mask for 2 minutes and the pellicle is then peeled off, a residual ratio (residual area of the adhesive layer on a quartz mask/area of the attachment portion S1 of the adhesive layer) of the adhesive layer is 0.001 to 5.0%.

IPC Classes  ?

  • G03F 1/62 - Pellicles or pellicle assemblies, e.g. having membrane on support framePreparation thereof
  • G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor

67.

POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED ARTICLE

      
Application Number 18727913
Status Pending
Filing Date 2023-01-06
First Publication Date 2025-03-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Ueda, Kosuke
  • Makiguchi, Wataru
  • Doi, Haruka
  • Nishino, Kohei
  • Washio, Isao
  • Kondo, Takahiro

Abstract

This polyamide resin composition includes a polyamide resin and a copper-based heat-resistant stabilizing agent. The copper content in the copper-based stabilizing agent is 0.001-0.050 parts by mass with respect to 100 parts by mass of the polyamide resin. The polyamide resin includes a dicarboxylic acid-derived component unit (a) and a diamine-derived component unit (b). The dicarboxylic acid-derived component unit (a) includes an aromatic dicarboxylic acid-derived component unit or an alicyclic dicarboxylic acid-derived component unit. The diamine-derived component unit (b) includes a diamine-derived component unit (b2) represented by formula (1) in an amount of 10 mol % or more but less than 50 mol % with respect to the total number of moles of the diamine-derived component unit (b). This polyamide resin composition includes a polyamide resin and a copper-based heat-resistant stabilizing agent. The copper content in the copper-based stabilizing agent is 0.001-0.050 parts by mass with respect to 100 parts by mass of the polyamide resin. The polyamide resin includes a dicarboxylic acid-derived component unit (a) and a diamine-derived component unit (b). The dicarboxylic acid-derived component unit (a) includes an aromatic dicarboxylic acid-derived component unit or an alicyclic dicarboxylic acid-derived component unit. The diamine-derived component unit (b) includes a diamine-derived component unit (b2) represented by formula (1) in an amount of 10 mol % or more but less than 50 mol % with respect to the total number of moles of the diamine-derived component unit (b).

IPC Classes  ?

  • C08K 3/105 - Compounds containing metals of Groups 1 to 3 or of Groups 11 to 13 of the Periodic Table
  • C08K 3/34 - Silicon-containing compounds
  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
  • C08K 7/14 - Glass

68.

OLEFIN-BASED RESIN COMPOSITION AND USE THEREOF

      
Application Number JP2024032386
Publication Number 2025/057944
Status In Force
Filing Date 2024-09-10
Publication Date 2025-03-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Sahara Kenichi
  • Akiyama Satoshi
  • Mori Akihide
  • Okumura Hiroshi

Abstract

Provided is an olefin-based resin composition which contains: 9.7-36 parts by mass of an unmodified olefin-based polymer (A); 0.3-15 parts by mass of an acid-modified propylene-based polymer (B); 54-90 parts by mass of a metal oxide (C) (here, the total amount of the unmodified olefin-based polymer (A), the acid-modified propylene-based polymer (B) and the metal oxide (C) is taken to be 100 parts by mass); and an unmodified polyolefin-based wax (D) at a quantity of 0.1-10 parts by mass relative to a total of 100 parts by mass of the unmodified olefin-based polymer (A), the acid-modified propylene-based polymer (B) and the metal oxide (C).

IPC Classes  ?

  • C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
  • C08K 3/22 - OxidesHydroxides of metals
  • C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment

69.

PELLICLE, EXPOSURE ORIGINAL PLATE, EXPOSURE APPARATUS, METHOD FOR PRODUCING PELLICLE, AND METHOD FOR TESTING ADHESIVE LAYER FOR MASK

      
Application Number 18726479
Status Pending
Filing Date 2023-01-26
First Publication Date 2025-03-13
Owner Mitsui Chemicals, INC. (Japan)
Inventor Tanaka, Ryo

Abstract

Provided is a pellicle, including a frame on which a pellicle film is placed and a mask adhesive layer which is placed on the frame, wherein when a water washing test is performed on the adhesive layer, which contacts a quartz mask over a predetermined contact area, a removal ratio {(the contact area before the water washing test−contact area after the water washing test)/(contact area before the water washing test)} of the adhesive layer is 80% or more.

IPC Classes  ?

  • G03F 1/64 - Pellicles or pellicle assemblies, e.g. having membrane on support framePreparation thereof characterised by the frames, e.g. structure or material thereof
  • G03F 1/84 - Inspecting

70.

POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL MATERIAL, AND LENS

      
Application Number JP2024029101
Publication Number 2025/047453
Status In Force
Filing Date 2024-08-15
Publication Date 2025-03-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Togo, Norihiro
  • Ryu, Akinori

Abstract

Provided is a polymerizable composition containing an episulfide compound represented by formula (1), a polyiso(thio)cyanate compound, a polythiol compound, an epoxy compound, and a salt of a compound having an amidine skeleton. In formula (1), Y represents an alkylene group, a cycloalkanediyl group, an alkylene group having an alicyclic skeleton including one or more sulfur atoms, an alkylene-arylene-alkylene group, an arylene group, or an aralkylene group, m represents an integer of 0-2, and n represents an integer of 0-3.

IPC Classes  ?

  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
  • C08G 18/20 - Heterocyclic aminesSalts thereof
  • C08G 18/58 - Epoxy resins
  • C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
  • C08G 75/08 - Polythioethers from cyclic thioethers from thiiranes
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02C 7/00 - Optical parts

71.

METHOD FOR PREPARING A POLYALLYL-FUNCTIONAL PREPOLYMER COMPOSITION, AND METHOD FOR MANUFACTURING AN OPTICAL ARTICLE WHEREIN SAID PREPOLYMER COMPOSITION IS USED

      
Application Number JP2024030585
Publication Number 2025/047768
Status In Force
Filing Date 2024-08-28
Publication Date 2025-03-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Vecchione, Andrea
  • Forestieri, Roberto
  • Mariani, Francesco

Abstract

The present invention relates to a method for preparing a polyallyl-functional prepolymer composition comprising: (a) providing a reaction mixture comprising: - at least one polyallyl-functional monomer; - from 0.5 to 3.0 wt.% of at least one aromatic peroxide compound as free radical initiator, the weight percentage being based on the total weight of the polyallyl-functional monomer; (b) heating the reaction mixture at a temperature within the range of from 12 to 3 Celsius degrees (°C) lower than the ten-hour half-life temperature of the aromatic peroxide compound to form a prepolymer composition having viscosity at 25 °C within the range of from 40 to 350 mm2/s (from 40 to 350 cSt). The invention also relates to a method for manufacturing an optical article wherein said prepolymer composition is used.

IPC Classes  ?

  • C08F 218/14 - Esters of polycarboxylic acids
  • C08F 218/18 - Diallyl phthalate
  • C08F 218/00 - Copolymers having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

72.

LAMINATE, HOUSING FOR ACCOMMODATING BATTERY, BATTERY PACK, AND MOVABLE BODY

      
Application Number JP2024029811
Publication Number 2025/047564
Status In Force
Filing Date 2024-08-22
Publication Date 2025-03-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Shiraishi, Koji
  • Awano, Toshihiro
  • Uekusa, Takayuki
  • Fujita, Daisuke
  • Fujihara, Kazutoshi

Abstract

The present invention provides a laminate comprising a flame retardant layer containing a resin and a flame retardant, reinforcing fibers, and a matrix resin. The thermal conductivity on the surface of a heat-conductive layer is 0.2-10 W/m∙K, or the reinforcing fibers are arranged in one direction or a plurality of directions.

IPC Classes  ?

  • B32B 5/28 - 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 impregnated with or embedded in a plastic substance
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
  • H01M 10/613 - Cooling or keeping cold
  • H01M 10/625 - Vehicles
  • H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials

73.

POLYISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BODY, OPTICAL ELEMENT, AND LENS

      
Application Number JP2024029179
Publication Number 2025/041720
Status In Force
Filing Date 2024-08-16
Publication Date 2025-02-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Komatsu, Hideyuki
  • Fujiwara, Takumi
  • Nakano, Shotaro
  • Nakai, Shinnosuke
  • Ri, Tomonari
  • Kawamura, Takumi

Abstract

This polyisocyanate composition contains a xylylene diisocyanate, an aromatic polyisocyanate, and a chain aliphatic polyisocyanate. The ratio of the xylylene diisocyanate in the polyisocyanate composition is 20% by mass or more.

IPC Classes  ?

  • C08G 18/72 - Polyisocyanates or polyisothiocyanates
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02C 7/02 - LensesLens systems

74.

XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BODY, OPTICAL ELEMENT, AND LENS

      
Application Number JP2024029210
Publication Number 2025/041722
Status In Force
Filing Date 2024-08-16
Publication Date 2025-02-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Nakai, Shinnosuke

Abstract

This xylylene diisocyanate composition contains a xylylene diisocyanate and a specific compound. The specific compound has a peak within the chemical shift value range of 2.44 ppm to 2.46 ppm based on chloroform in deuterated chloroform if 1H-NMR measurement is performed by mixing the xylylene diisocyanate composition with deuterated chloroform.

IPC Classes  ?

  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C07C 265/14 - Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02C 7/00 - Optical parts

75.

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED ARTICLE, AND METHOD FOR PRODUCING OPTICAL MATERIAL

      
Application Number JP2024029690
Publication Number 2025/041800
Status In Force
Filing Date 2024-08-21
Publication Date 2025-02-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Matsui, Yusuke
  • Ito, Shinsuke

Abstract

A polymerizable composition for an optical material according to the present disclosure contains two or more different optical material monomers, a basic polymerization catalyst, and an organic acid having a pKa value of less than 4. At least one of the two or more different optical material monomers is an isocyanate compound. The viscosity measured by a B-type viscometer under conditions of 25°C and 60 rpm is 10-1,000 mPa∙s.

IPC Classes  ?

  • C08G 18/16 - Catalysts
  • C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

76.

Paltref

      
Application Number 1842070
Status Registered
Filing Date 2025-01-30
Registration Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
NICE Classes  ? 17 - Rubber and plastic; packing and insulating materials

Goods & Services

Plastic film, other than for wrapping; polymer films for use in manufacture; polymer films for use in the manufacture of electronic circuits; plastic substances, semi-processed.

77.

AQUEOUS POLYURETHANE COMPOSITION, HEAT-RESISTANT COATING AGENT, FIRST LAMINATE, BAG, SECOND LAMINATE, METHOD FOR PRODUCING FIRST LAMINATE, AND METHOD FOR PRODUCING SECOND LAMINATE

      
Application Number 18291108
Status Pending
Filing Date 2022-05-20
First Publication Date 2025-02-27
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Miyanaga, Tomoharu
  • Fukuda, Kazuyuki

Abstract

The aqueous polyurethane composition contains polyurethane resin and inorganic particles. The polyurethane resin includes a reaction product of a polyisocyanate component including polyisocyanate having a ring structure, and a polyol component including a macropolyol and an active hydrogen group-containing compound containing a hydrophilic group. Relative to the total amount of the polyurethane resin and the inorganic particles, the blending ratio of the polyurethane resin is 5% by mass or more and 95% by mass or less, and the blending ratio of the inorganic particles is 5% by mass or more and 95% by mass or less. The inorganic particles have an average particle size of 5 nm or more and 1000 nm or less.

IPC Classes  ?

78.

TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING TEMPERATURE CONTROL DEVICE

      
Document Number 03247787
Status Pending
Filing Date 2022-12-15
Open to Public Date 2025-02-26
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tominaga, Takahiro
  • Morimoto, Kai

Abstract

The temperature control device of the disclosure is a temperature control device for controlling the temperature of at least one heat exchange object. This temperature control device includes: a first plate made of a metal; a second plate; a flow path wall part sandwiched between the first plate and the second plate; and a resin fixing part fixing the second plate to the first plate. An internal flow path for circulating a heat exchange medium is formed by at least one of the first plate or the second plate, and the flow path wall part. The first plate includes at least one connection region for thermally connecting the at least one heat exchange object thereto, at an outer main surface of a side at which the flow path wall part is not arranged. The resin fixing part covers a region of the outer main surface, excluding the at least one connection region.

IPC Classes  ?

  • H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

79.

FLAME RETARDANT-CONTAINING PARTICLE, RESIN COMPOSITION, FIRE-EXTINGUISHING SHEET, AND APPLICATION THEREOF

      
Application Number JP2024028930
Publication Number 2025/037620
Status In Force
Filing Date 2024-08-13
Publication Date 2025-02-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Seo, Akiko
  • Hashimoto, Toshiya
  • Yoshimura, Toshihiro
  • Sugihara, Yuri
  • Mizuno, Yu
  • Fang, Nan
  • Kagawa, Yasuyuki
  • Ando, Kazuhiro

Abstract

A flame retardant-containing particle (C) is obtained by polymerizing a monomer (A) in a composition containing: the monomer (A), which contains two or more monomers (A-1) having polymerizable unsaturated double bonds, and a monomer (A-2) having two or more polymerizable unsaturated double bonds; and a phosphorus-based flame retardant (B) dissolved in at least a part of the two or more monomers (A-1). The particle (C) includes a resin layer (D) formed by polymerizing the monomer (A), and the elution rate of the resin layer (D) into an electrolyte is 40 mass% or less.

IPC Classes  ?

  • C08L 101/14 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 220/14 - Methyl esters
  • C08F 220/44 - Acrylonitrile
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 5/49 - Phosphorus-containing compounds
  • C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
  • C08L 33/20 - Homopolymers or copolymers of acrylonitrile
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09D 5/18 - Fireproof paints
  • C09D 7/65 - Additives macromolecular
  • C09K 21/12 - Organic materials containing phosphorus
  • H01M 50/16 - Organic material
  • H01M 50/143 - FireproofExplosion-proof
  • H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/443 - Particulate material
  • H01M 50/483 - Inorganic material
  • H01M 50/486 - Organic material

80.

FLAME RETARDANT-CONTAINING PARTICLE, RESIN COMPOSITION, FIRE-EXTINGUISHING SHEET, AND APPLICATION THEREOF

      
Application Number JP2024028929
Publication Number 2025/037619
Status In Force
Filing Date 2024-08-13
Publication Date 2025-02-20
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Seo, Akiko
  • Hashimoto, Toshiya
  • Yoshimura, Toshihiro
  • Kagawa, Yasuyuki
  • Ando, Kazuhiro
  • Sugihara, Yuri
  • Mizuno, Yu
  • Fang, Nan

Abstract

A flame retardant-containing particle (C) is obtained by polymerizing a monomer (A) in a composition containing: the monomer (A), which contains two or more monomers (A-1) having polymerizable unsaturated double bonds, and a monomer (A-2) having two or more polymerizable unsaturated double bonds; and a phosphorus-based flame retardant (B) dissolved in at least a part of the two or more monomers (A-1). The particle (C) includes a resin layer (D) formed by polymerizing the monomer (A), and the elution rate of the resin layer (D) into an electrolyte is 40 mass% or less.

IPC Classes  ?

  • C08L 101/14 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
  • A62D 1/00 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 5/49 - Phosphorus-containing compounds
  • C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCompositions of derivatives of such polymers
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09D 5/18 - Fireproof paints
  • C09D 7/65 - Additives macromolecular
  • C09K 21/12 - Organic materials containing phosphorus
  • H01M 50/121 - Organic material
  • H01M 50/143 - FireproofExplosion-proof
  • H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/443 - Particulate material
  • H01M 50/483 - Inorganic material
  • H01M 50/486 - Organic material

81.

POLYURETHANE ELASTOMER AND METHOD FOR PRODUCING POLYURETHANE ELASTOMER

      
Application Number JP2024027506
Publication Number 2025/033312
Status In Force
Filing Date 2024-08-01
Publication Date 2025-02-13
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tago, Hiroaki
  • Kobayashi, Takeshi

Abstract

This polyurethane elastomer contains a reaction product of an isocyanate group-terminated prepolymer and a curing agent. The isocyanate group-terminated prepolymer contains a reaction product of a polyisocyanate component that includes a bis(isocyanatomethyl)cyclohexane and a polyol component that includes a high molecular weight polyol and a low molecular weight polyol. The low molecular weight polyol includes 1,4-butanediol.

IPC Classes  ?

  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C08G 18/65 - Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen

82.

RESPONSE GENERATION DEVICE, METHOD, AND PROGRAM

      
Application Number JP2024026029
Publication Number 2025/028308
Status In Force
Filing Date 2024-07-19
Publication Date 2025-02-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Miyazaki, Kei
  • Tejima, Eri
  • Yoshioka, Kenji

Abstract

Provided is a conversion unit (34) that converts a negative expression included in a sentence recorded by a user into a positive expression, a calculation unit (36) that calculates points for each of a plurality of predetermined skills on the basis of the relationship between expressions included in the converted sentence and each of the plurality of predetermined skills, and a response generation unit (40) generates a response sentence for the converted sentence on the basis of the converted sentence and the points calculated for each of the plurality of skills.

IPC Classes  ?

83.

PHOTOPOLYMERIZATION INITIATOR, PHOTOCURABLE COMPOSITION, AND DENTAL MATERIAL

      
Application Number JP2024027414
Publication Number 2025/028580
Status In Force
Filing Date 2024-07-31
Publication Date 2025-02-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Takahashi, Issei

Abstract

This photopolymerization initiator comprises: an ionic boron compound including a boron-containing anion and a counter-cation for the boron-containing anion; and a photosensitizer (1) that is at least one compound selected from the group consisting of 1,2-diketone compounds and compounds represented by formula (A). In formula (A), R1Aand R2A are each independently an optionally substituted aromatic hydrocarbon group.

IPC Classes  ?

  • C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
  • A61K 6/62 - Photochemical radical initiators
  • A61K 6/71 - Fillers
  • A61K 6/836 - Glass
  • A61K 6/849 - Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
  • A61K 6/887 - Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • A61L 27/16 - Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • A61L 27/44 - Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
  • A61L 27/50 - Materials characterised by their function or physical properties
  • A61P 1/02 - Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 4/12 - Metallic compounds other than hydrides and other than metallo-organic compoundsBoron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium, or rare earths

84.

ADDITIVE FOR POLYMERIZATION, PHOTOPOLYMERIZATION INITIATOR, PHOTOCURABLE COMPOSITION, AND DENTAL MATERIAL

      
Application Number JP2024027415
Publication Number 2025/028581
Status In Force
Filing Date 2024-07-31
Publication Date 2025-02-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Takahashi, Issei

Abstract

This additive for polymerization contains a nitrogen-containing compound (1) represented by formula (1). In formula (1), R 1is an aromatic heterocyclic group, and R 2and R 3 are each independently a hydrogen atom or a monovalent organic group, or are bonded to each other and are a group that forms a heterocyclic ring and may have a substituent together with the nitrogen atom in formula (1).

IPC Classes  ?

  • C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
  • A61K 6/15 - Compositions characterised by their physical properties
  • A61K 6/62 - Photochemical radical initiators
  • A61K 6/887 - Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C07D 213/74 - Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
  • C07D 239/42 - One nitrogen atom
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
  • C08F 4/00 - Polymerisation catalysts
  • C08F 20/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

85.

POSITIVE ELECTRODE ACTIVE MATERIAL AND ALL-SOLID-STATE BATTERY

      
Application Number JP2024027497
Publication Number 2025/028602
Status In Force
Filing Date 2024-08-01
Publication Date 2025-02-06
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor Ohnishi Hitoshi

Abstract

The present invention provides an all-solid-state battery in which battery resistance after long-term storage is reduced, a production method for the all-solid-state battery, and a positive electrode active material used in the all-solid-state battery. The present invention relates to: a positive electrode active material for a solid-state battery, the positive electrode active material containing a lithium-containing complex oxide and an additive A that is a compound having a sulfur-oxygen bond; an all-solid-state battery containing a solid electrolyte and a positive electrode that contains the positive electrode active material described above; and a method for manufacturing an all-solid-state battery, the method having a step for obtaining a positive electrode active material for a solid-state battery by mixing together a lithium-containing complex oxide and an additive A that is a compound having a sulfur-oxygen bond, a step for preparing a positive electrode that contains the positive electrode active material for a solid-state battery, and a step for bonding the positive electrode, a negative electrode, and a solid electrolyte such that the solid electrolyte is present between the positive electrode and the negative electrode.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
  • 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
  • H01M 10/052 - Li-accumulators
  • H01M 10/058 - Construction or manufacture
  • H01M 10/0562 - Solid materials

86.

PALTREF

      
Serial Number 79418204
Status Pending
Filing Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
NICE Classes  ? 17 - Rubber and plastic; packing and insulating materials

Goods & Services

Plastic film for use in commercial and industrial manufacturing, other than for wrapping; polymer films for use in manufacture; polymer films for use in the manufacture of electronic circuits; plastic substances, semi-processed.

87.

ELECTRODE COMPOSITION, ELECTRODE, AND BATTERY

      
Application Number JP2024025665
Publication Number 2025/023124
Status In Force
Filing Date 2024-07-17
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Mizuno, Yu
  • Sugihara, Yuri
  • Fang, Nan

Abstract

A battery composition according to the present disclosure contains a polymer (A). The polymer (A) contains a structural unit (a). The structural unit (a) has a five-membered or six-membered nitrogen-containing heterocyclic structure. The nitrogen-containing heterocyclic structure is derived from a compound containing an unsaturated bond. The ratio of the structural unit (a) in the polymer (A) to the total of all structural units constituting the polymer (A) exceeds 50 mol%.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/139 - Processes of manufacture

88.

LAMINATE AND LAMINATE PRODUCTION METHOD

      
Application Number JP2024025772
Publication Number 2025/023139
Status In Force
Filing Date 2024-07-18
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Shikama, Takuo
  • Tamura Kahori
  • Hisamune, Yutaka
  • Okada, Wataru
  • Kayaba, Yasuhisa

Abstract

This laminate includes: an inorganic material layer; an organic material layer; and an adhesive layer that is disposed between the inorganic material layer and the organic material layer, and bonds the inorganic material layer and the organic material layer. The ratio (X/Y) of the die shear strength X (MPa) between the inorganic material layer and the organic material layer to the thickness Y (μm) of the adhesive layer is 1 or more.

IPC Classes  ?

  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds
  • H01L 21/312 - Organic layers, e.g. photoresist
  • H01L 21/314 - Inorganic layers
  • H01L 21/316 - Inorganic layers composed of oxides or glassy oxides or oxide-based glass
  • H01L 21/318 - Inorganic layers composed of nitrides

89.

METHOD FOR MANUFACTURING A POLYMERIC OPTICAL ARTICLE AND A COMPOSITION USED THEREFOR

      
Application Number JP2024026231
Publication Number 2025/023227
Status In Force
Filing Date 2024-07-23
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Vecchione, Andrea
  • Forestieri, Roberto
  • Mariani, Francesco

Abstract

The present invention relates to a process for manufacturing a polymeric optical article comprising providing a polymerizable composition comprising: at least one polyallyl-functional monomer containing a small amount of oligomers; from 0.5 to 2 wt.% of at least one aromatic peroxide as free radical initiator. The polymerizable composition is cured according to a predefined curing cycle which allows to obtain optical articles with improved properties without using highly reactive radical initiators, like IPP. Moreover, productivity of the process is increased with a remarkably reduced number of defects in the optical articles. The invention also relates to a polymerizable composition suitable for use in the above process.

IPC Classes  ?

  • C08F 4/34 - Per-compounds with one peroxy-radical
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

90.

POLYMERIZABLE COMPOSITION AND METHOD FOR PRODUCING SAME, RESIN, MOLDED BODY, OPTICAL MATERIAL, AND LENS

      
Application Number JP2024026836
Publication Number 2025/023323
Status In Force
Filing Date 2024-07-26
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Miyanaga, Tomoharu
  • Suesugi, Kouji
  • Matsui, Yusuke
  • Ito, Shinsuke

Abstract

This polymerizable composition contains: a polyiso(thio)cyanate compound (A); an active hydrogen compound (B); a nitrogen-containing compound (C) that is at least one of a nitrogen-containing aromatic heterocyclic compound and a tertiary amine compound; and water. The contained amount of the water with respect to the total amount of the polymerizable composition is 1900 mass ppm or less.

IPC Classes  ?

  • C08G 18/18 - Catalysts containing secondary or tertiary amines or salts thereof
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

91.

DRONE ARM AND DRONE

      
Application Number JP2024025282
Publication Number 2025/023074
Status In Force
Filing Date 2024-07-12
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Koyaishi, Tatsuya
  • Nishida, Atsumi
  • Mizumoto, Kazuya

Abstract

Provided is a drone arm with increased rigidity. The arm, which is attached to a housing of a drone, comprises: a body part to be disposed outside the housing; and a flange disposed on the outside laterally of the body part. The body part and the flange are made of a fiber-reinforced resin including reinforcing fibers and a thermoplastic resin.

IPC Classes  ?

92.

RESIN COMPOSITION, LENS, LIGHT-TRANSMITTING FILTER, OPTICAL MEMBER, AND IMAGING CAMERA

      
Application Number JP2024026147
Publication Number 2025/023210
Status In Force
Filing Date 2024-07-22
Publication Date 2025-01-30
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Hashimoto Yuki
  • Okuno Takayuki

Abstract

This resin composition comprises a resin (A) and a dye (B), wherein a 1 mm-thick flat plate made from the resin composition and measured in accordance with JIS Z 8781-4:2013 gives values for L*, a*, and b*in the L*a*b*color system in the following ranges, respectively: L*: 80 to 95; a*: -5 to 5; and b* : -20 to -5. The resin composition has a water absorption rate of not more than 0.15% when the aforementioned flat plate is measured, in accordance with ASTM D570, after immersion for 24 hours in distilled water at a temperature of 23°C.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08K 5/3415 - Five-membered rings
  • C08L 45/00 - Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring systemCompositions of derivatives of such polymers
  • C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCompositions of derivatives of such polymers
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 5/22 - Absorbing filters

93.

OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, AND OPTICAL INFORMATION TRANSMISSION DEVICE

      
Application Number JP2024025498
Publication Number 2025/018342
Status In Force
Filing Date 2024-07-16
Publication Date 2025-01-23
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Aono Akifumi
  • Muramatsu Akihiro

Abstract

An optical laminate (10) comprises an optical substrate (1), a (thio)urethane-based optical resin layer α on one surface α side of the optical substrate (1), and a (thio)urethane-based optical resin layer β on a surface β side on the opposite side of the optical substrate from the surface α.

IPC Classes  ?

  • G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 27/02 - Viewing or reading apparatus

94.

OPTICAL LAMINATE, METHOD FOR MANUFACTURING OPTICAL LAMINATE, AND OPTICAL INFORMATION TRANSMISSION DEVICE

      
Application Number JP2024025512
Publication Number 2025/018344
Status In Force
Filing Date 2024-07-16
Publication Date 2025-01-23
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Aono Akifumi
  • Muramatsu Akihiro

Abstract

An optical laminate (10) includes an optical substrate (1), a (thio)urethane optical resin layer (2) on at least one side of the optical substrate 1, and an adhesive layer (3) between the optical substrate (1) and the (thio)urethane optical resin layer (2), wherein the adhesive layer (3) has a glass transition temperature of 70°C or less.

IPC Classes  ?

  • G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
  • B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02B 27/02 - Viewing or reading apparatus

95.

POLYAMIC ACID VARNISH, POLYIMIDE COMPOSITION, AND ADHESIVE

      
Application Number 18704979
Status Pending
Filing Date 2022-10-20
First Publication Date 2025-01-16
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Takase, Ko
  • Okazaki, Masaki
  • Tsukada, Yuichi

Abstract

A polyamic acid varnish according to the present disclosure contains a polyamic acid. The monomers that constitute this polyamic acid include: a monomer (A) that has a C4-12 linear alkylene group but does not have an ester bond, an amide bond, or an ether bond; and a monomer (B) that is a monomer other than the monomer (A). The monomer (A) content is 15 to 70 mol % with respect to the total amount of the monomers that constitute the polyamic acid. The monomer (B) contains at least 90 mol % aromatic monomer.

IPC Classes  ?

  • C09J 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
  • C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
  • C08J 5/18 - Manufacture of films or sheets
  • H05K 1/03 - Use of materials for the substrate

96.

POLYMERIZABLE COMPOSITION, CURED PRODUCT, OPTICAL MATERIAL, SPECTACLE LENS, COMPOUND, METHOD FOR PRODUCING POLYMERIZABLE COMPOSITION, AND RESIN

      
Application Number JP2024024854
Publication Number 2025/013881
Status In Force
Filing Date 2024-07-09
Publication Date 2025-01-16
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Nakai, Shinnosuke
  • Nakano, Shotaro

Abstract

A polymerizable composition according to the present disclosure comprises: at least one selected from a polyiso(thio)cyanate compound and a polyepisulfide compound; a polythiol compound; and either a compound represented by general formula (1), or a reaction product of a compound represented by general formula (1) and a polyiso(thio)cyanate compound or a polyepisulfide compound. In general formula (1), Ra is a monovalent hydrocarbon group or a halogen atom, n1 is a number of 0-4, Rb is a monovalent group free of OH, SH, or NHR2, n2 is a number of 0-3, R1is a divalent hydrocarbon group, X is OH, SH, or NHR2, and R2 is a hydrogen atom or a hydrocarbon group.

IPC Classes  ?

  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/08 - Processes
  • C08G 75/06 - Polythioethers from cyclic thioethers
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02C 7/00 - Optical parts

97.

POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BODY, OPTICAL MATERIAL, AND LENS

      
Application Number 18711401
Status Pending
Filing Date 2023-09-05
First Publication Date 2025-01-16
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Tokunaga, Koichi
  • Nakai, Shinnosuke

Abstract

A polythiol composition, including: a polythiol compound (A); and at least one compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2), wherein, in a high-performance liquid chromatography measurement, a total peak area of the at least one compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2) is 1.00 or less with respect to a total peak area 100 of compounds contained in the polythiol composition. A polythiol composition, including: a polythiol compound (A); and at least one compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2), wherein, in a high-performance liquid chromatography measurement, a total peak area of the at least one compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2) is 1.00 or less with respect to a total peak area 100 of compounds contained in the polythiol composition.

IPC Classes  ?

  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics

98.

POLYMERIZABLE COMPOSITION, CURED OBJECT, OPTICAL MATERIAL, SPECTACLE LENS, COMPOUND, METHOD FOR PRODUCING POLYMERIZABLE COMPOSITION, AND RESIN

      
Application Number JP2024024855
Publication Number 2025/013882
Status In Force
Filing Date 2024-07-09
Publication Date 2025-01-16
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Nakano, Shotaro
  • Nakai, Shinnosuke

Abstract

A polymerizable composition according to the present disclosure comprises: at least one compound selected from among polyiso(thio)cyanate compounds and polyepisulfide compounds; a polythiol compound; and a product of reaction between a compound represented by general formula (1) and a polythiol compound. In general formula(1), Ra is a monovalent hydrocarbon group or a halogen atom, n1 is a number of 0-4, Rb is a monovalent group containing no ethylenically unsaturated double bond, n2 is a number of 0-3, R1 is a divalent hydrocarbon group, and X is a functional group containing an ethylenically unsaturated double bond.

IPC Classes  ?

  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 75/06 - Polythioethers from cyclic thioethers
  • G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
  • G02C 7/00 - Optical parts

99.

PREPOLYMER COMPOSITION, POLYURETHANE RESIN, ELASTIC MOLDED ARTICLE, AND PRODUCTION METHOD OF PREPOLYMER COMPOSITION

      
Application Number 18711650
Status Pending
Filing Date 2023-01-17
First Publication Date 2025-01-09
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Maekawa, Kazuhiro
  • Hashiguchi, Takuya

Abstract

A prepolymer composition contains an isocyanate group-terminated prepolymer. The isocyanate group-terminated prepolymer is a reaction product of a polyisocyanate component containing 1,4-bis(isocyanatomethyl)cyclohexane and a polyol component containing polycarbonate polyol. The 1,4-bis(isocyanatomethyl)cyclohexane contains a trans isomer at a ratio of 60% by mole or more. The polycarbonate polyol has a viscosity (V1) at 80° C. of 4000 mPa·s or less. The prepolymer composition has a viscosity (V2) at 80° C. of 4000 mPa·s or less. The prepolymer composition has an isocyanate group concentration of 8.0% by mass or more and less than 13.0% by mass.

IPC Classes  ?

  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G 18/44 - Polycarbonates
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs

100.

PHOTOCURABLE COMPOSITION, THREE-DIMENSIONAL SHAPED OBJECT, CASTING MOLD, METHOD FOR PRODUCING CURED OBJECT, AND METHOD FOR PRODUCING DENTAL PROSTHESIS

      
Application Number JP2024024289
Publication Number 2025/009596
Status In Force
Filing Date 2024-07-04
Publication Date 2025-01-09
Owner MITSUI CHEMICALS, INC. (Japan)
Inventor
  • Endo, Suguru
  • Choi, Dongil
  • Sakamaki, Toshikazu

Abstract

A photocurable composition comprising: a (meth)acrylic monomer (A) having one or more (meth)acryloyl groups and having no siloxane bond; a (meth)acrylic monomer (B) having two or more (meth)acryloyl groups and a siloxane bond; a compound (C) having no (meth)acryloyl group and having a solubility parameter (SP value) of 7.00-15.00 (cal/cm3)1/2; and a photopolymerization initiator.

IPC Classes  ?

  • C08F 220/10 - Esters
  • A61K 6/887 - Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • A61K 6/896 - Polyorganosilicon compounds
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 290/06 - Polymers provided for in subclass
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