Zeon Corporation

Japan

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        Patent 4,184
        Trademark 72
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        World 2,765
        United States 1,460
        Canada 23
        Europe 8
Owner / Subsidiary
[Owner] Zeon Corporation 4,155
RIMTEC Corporation 68
Zeon Chemicals L.P. 27
Tohpe Corporation 7
Date
New (last 4 weeks) 17
2026 August (MTD) 13
2026 July 17
2026 June 7
2026 May 10
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IPC Class
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers 681
H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof 442
G02B 5/30 - Polarising elements 421
H01M 4/139 - Processes of manufacture 348
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries 203
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NICE Class
17 - Rubber and plastic; packing and insulating materials 41
01 - Chemical and biological materials for industrial, scientific and agricultural use 36
09 - Scientific and electric apparatus and instruments 9
10 - Medical apparatus and instruments 7
30 - Basic staples, tea, coffee, baked goods and confectionery 4
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Status
Pending 355
Registered / In Force 3,901
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1.

OPTICALLY ANISOTROPIC LAMINATE, METHOD FOR PRODUCING SAME, AND CIRCULARLY POLARIZING PLATE

      
Application Number JP2026001170
Publication Number 2026/176832
Status In Force
Filing Date 2026-01-16
Publication Date 2026-08-27
Owner ZEON CORPORATION (Japan)
Inventor
  • Hatano, Taku
  • Fujii, Kensaku

Abstract

Provided is an optically anisotropic laminate comprising a first optically anisotropic layer and a second optically anisotropic layer, wherein: the first optically anisotropic layer satisfies formula (1); the second optically anisotropic layer satisfies formulas (2) and (3); the NZ coefficient NZ2 of the second optically anisotropic layer satisfies formula (4); the optically anisotropic laminate satisfies formula (5); and the second optically anisotropic layer contains a resin containing a polymer containing an N-vinylcarbazole monomer unit. (1): nx1 > ny1 ≥ nz1 (2): nz2 > nx2 > ny2 (3): Re2(550) > 100 nm (4): NZ2 < -0.2 (5): Re(450) < Re(550) < Re(650)

IPC Classes  ?

  • G02B 5/30 - Polarising elements
  • H10K 50/86 - Arrangements for improving contrast, e.g. preventing reflection of ambient light
  • H10K 59/10 - OLED displays

2.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19164201
Status Pending
Filing Date 2024-03-26
First Publication Date 2026-08-20
Owner ZEON CORPORATION (Japan)
Inventor
  • Kitazawa, Yuzo
  • Shimode, Mana

Abstract

Provided is a binder composition for a non-aqueous secondary battery electrode that can suitably be used to produce an electrode having excellent flexibility and that can enhance battery characteristics of a secondary battery including the obtained electrode. The binder composition for a non-aqueous secondary battery electrode contains a polymer A and yields a film X having a breaking stress [MPa] and a breaking strain [−] according to tensile testing that satisfy the following relationship formula: 0.010≤breaking stress [MPa]/breaking strain [−]≤1.000.

IPC Classes  ?

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

3.

DEVICE FOR PRODUCING ROLLED GRAIN LAYER AND METHOD FOR PRODUCING ROLLED GRAIN LAYER

      
Application Number 19164204
Status Pending
Filing Date 2024-02-14
First Publication Date 2026-08-20
Owner ZEON CORPORATION (Japan)
Inventor Kitagawa, Yuya

Abstract

A production apparatus for a rolled particle layer comprises: a feeding unit configured to feed particles; a supporting and conveying unit configured to support the particles fed from the feeding unit and convey the particles from upstream to downstream; a squeegee unit disposed with a gap between the squeegee unit and the supporting and conveying unit on the supporting and conveying unit, the squeegee unit being configured to level the particles supported and conveyed by the supporting and conveying unit to form a particle layer; an ultrasonic vibration unit configured to apply vibration to the particles, which are supported and conveyed by the supporting and conveying unit, on an upstream side relative to the gap between the supporting and conveying unit and the squeegee unit; and a rolling unit configured to roll the particle layer.

IPC Classes  ?

  • H01M 4/04 - Processes of manufacture in general

4.

METHOD FOR MANUFACTURING CYCLIC OLEFIN COPOLYMER, RESIN COMPOSITION, AND MOLDED BODY

      
Application Number JP2026005111
Publication Number 2026/173046
Status In Force
Filing Date 2026-02-12
Publication Date 2026-08-20
Owner ZEON CORPORATION (Japan)
Inventor
  • Fujii Kensaku
  • Ebata Atsushi

Abstract

A method for manufacturing a cyclic olefin copolymer according to the present invention is characterized by comprising: polymerizing a chain olefin having 2-10 carbon atoms, a cyclic olefin, and an aromatic vinyl compound; and removing oligomers having a molecular weight of 15,000 or less from the obtained reaction product. Further, a resin composition according to the present invention is characterized by containing a cyclic olefin copolymer containing a structural unit (A) derived from a chain olefin having 2-10 carbon atoms, a structural unit (B) derived from a cyclic olefin, and a structural unit (C) derived from an aromatic vinyl compound, wherein a proportion of an oligomer containing at least the structural unit (C) and having a molecular weight of 15,000 or less is 18 parts by mass or less relative to 100 parts by mass of the total of the cyclic olefin copolymer and the oligomers.

IPC Classes  ?

  • C08F 6/00 - Post-polymerisation treatments
  • 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

5.

CYCLIC OLEFIN COPOLYMER, RESIN COMPOSITION, MOLDED BODY, AND METHOD FOR PRODUCING CYCLIC OLEFIN COPOLYMER

      
Application Number JP2026005112
Publication Number 2026/173047
Status In Force
Filing Date 2026-02-12
Publication Date 2026-08-20
Owner ZEON CORPORATION (Japan)
Inventor
  • Ebata Atsushi
  • Fujii Kensaku

Abstract

A cyclic olefin copolymer according to the present invention is characterized by comprising a structural unit (A) derived from a chain olefin having 2 to 10 carbon atoms, a structural unit (B) derived from a cyclic olefin, and a structural unit (C) derived from an aromatic vinyl compound, and is also characterized in that the ratio of a chain portion of the structural unit (C) is 40% or less. A resin composition according to the present invention contains the cyclic olefin copolymer according to the present invention. A molded body according to the present invention is obtained by molding the resin composition according to the present invention. A method for producing a cyclic olefin copolymer according to the present invention includes a step for copolymerizing a chain olefin having 2 to 10 carbon atoms, a cyclic olefin, and an aromatic vinyl compound in the presence of a promoter and a catalyst that contains a specific metallocene compound.

IPC Classes  ?

  • C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
  • 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
  • G02B 3/00 - Simple or compound lenses

6.

DEVICE AND METHOD FOR PRODUCING MULTILAYERED ARTICLE, AND MULTILAYERED ARTICLE

      
Application Number JP2026001333
Publication Number 2026/168124
Status In Force
Filing Date 2026-01-16
Publication Date 2026-08-13
Owner ZEON CORPORATION (Japan)
Inventor Hirano, Masaya

Abstract

A device for producing a multilayered article having a base material and a functional layer provided on one surface of the base material, the device comprising: a conveyance device for continuously conveying the base material along a conveyance path; a coating device for applying a coating liquid to one surface of the conveyed base material to form a coating layer; and a drying device for drying the coating layer The conveyance device has a first conveyance unit for conveying the base material from the coating device to the drying device. The first conveyance unit includes a conveyance member (A) for conveying the base material by bringing air into contact with the surface of the base material on the opposite side from the surface on which the coating layer is formed.

IPC Classes  ?

  • B05C 13/02 - Means for manipulating or holding work, e.g. for separate articles for particular articles
  • B05C 1/04 - Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
  • B05C 9/14 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating
  • B05C 11/10 - Storage, supply or control of liquid or other fluent materialRecovery of excess liquid or other fluent material
  • B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials

7.

COPOLYMER, POSITIVE RESIST COMPOSITION, AND METHOD OF FORMING RESIST PATTERN

      
Application Number 19149849
Status Pending
Filing Date 2024-03-18
First Publication Date 2026-08-13
Owner ZEON CORPORATION (Japan)
Inventor
  • Kawaue, Akiya
  • Umeda, Masaya

Abstract

Provided are a copolymer and a positive resist composition that have a wide exposure margin and that can form a resist pattern having a good shape. The copolymer includes a monomer unit (I) represented by formula (I), shown below, a monomer unit (II) represented by formula (II), shown below, and a monomer unit (III) represented by formula (III), shown below. In the formulae, R1 to R14 are specific groups and p is an integer of not less than 0 and not more than 5. Provided are a copolymer and a positive resist composition that have a wide exposure margin and that can form a resist pattern having a good shape. The copolymer includes a monomer unit (I) represented by formula (I), shown below, a monomer unit (II) represented by formula (II), shown below, and a monomer unit (III) represented by formula (III), shown below. In the formulae, R1 to R14 are specific groups and p is an integer of not less than 0 and not more than 5.

IPC Classes  ?

  • G03F 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists
  • C08F 222/18 - Esters containing halogen
  • G03F 7/32 - Liquid compositions therefor, e.g. developers

8.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19160037
Status Pending
Filing Date 2024-03-21
First Publication Date 2026-08-13
Owner ZEON CORPORATION (Japan)
Inventor
  • Miwata, Tomohiro
  • Yamamoto, Norikazu

Abstract

Provided is a binder composition for a non-aqueous secondary battery negative electrode that can favorably suppress swelling of a negative electrode in accompaniment to repeated charging and discharging and that can cause a secondary battery to display excellent cycle characteristics. The binder composition for a non-aqueous secondary battery negative electrode contains a particulate binder and water. The particulate binder includes specific monomer units and has average particle diameters Da to Dc, measured by specific methods, that satisfy relationships in the following formulae (1) and (2):(1) Da−Db≤60.0 nm; (2) 1.40≤Da/Dc≤2.00.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 236/10 - 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 conjugated with vinyl aromatic monomers
  • C08K 3/34 - Silicon-containing compounds
  • C09D 5/24 - Electrically-conducting paints
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 109/06 - Copolymers with styrene
  • H01M 4/02 - Electrodes composed of, or comprising, active material

9.

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM

      
Application Number JP2026002655
Publication Number 2026/168231
Status In Force
Filing Date 2026-01-27
Publication Date 2026-08-13
Owner ZEON CORPORATION (Japan)
Inventor Ijiro, Kohei

Abstract

The present invention improves the versatility of information acquired in a material development project. An information processing system according to the present invention includes: an acquisition unit that acquires project information and fabrication information or evaluation information via respective screens therefor when a material development project is executed and a sample is fabricated or evaluated; an identifier addition unit that adds an identifier of the project to a fabrication information group including an identifier of basic information identifying a resource used for fabricating the sample and that adds the identifier of the project or an identifier of the fabrication information group to an evaluation information group including an identifier of basic information identifying a resource used for evaluating the sample; and an input/output control unit that performs control to store, in a storage unit, project information group including the identifier of the project and the fabrication information group or the evaluation information group having the identifier of the project added thereto. The input/output control unit uses the identifier to read information corresponding to an instruction by a user from the storage unit.

IPC Classes  ?

  • G06Q 10/06 - Resources, workflows, human or project managementEnterprise or organisation planningEnterprise or organisation modelling

10.

COPOLYMER, POSITIVE RESIST COMPOSITION, AND METHOD OF FORMING RESIST PATTERN

      
Application Number 19148382
Status Pending
Filing Date 2024-02-16
First Publication Date 2026-08-06
Owner ZEON CORPORATION (Japan)
Inventor
  • Kawaue, Akiya
  • Taguchi, Kazunori

Abstract

Provided are a copolymer and a positive resist composition that have a wide exposure margin and that can form a resist pattern having a good shape. The copolymer includes a monomer unit (I) represented by formula (I), shown below, and a monomer unit (II) represented by formula (II), shown below. In the formulae, R1, R2, R3, R4, R5, R6, R7, and R8 are specific groups, and p is an integer of not less than 1 and not more than 5. Provided are a copolymer and a positive resist composition that have a wide exposure margin and that can form a resist pattern having a good shape. The copolymer includes a monomer unit (I) represented by formula (I), shown below, and a monomer unit (II) represented by formula (II), shown below. In the formulae, R1, R2, R3, R4, R5, R6, R7, and R8 are specific groups, and p is an integer of not less than 1 and not more than 5.

IPC Classes  ?

  • C08F 220/24 - Esters containing halogen containing perhaloalkyl radicals
  • G03F 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists
  • G03F 7/32 - Liquid compositions therefor, e.g. developers

11.

HOLLOW PARTICLE, RESIN COMPOSITION, AND MOLDED BODY

      
Application Number JP2026001173
Publication Number 2026/163847
Status In Force
Filing Date 2026-01-16
Publication Date 2026-08-06
Owner ZEON CORPORATION (Japan)
Inventor
  • Yagyu, Sakyo
  • Fujimura, Makoto

Abstract

This hollow particle, which has excellent heat resistance and in which a change in dielectric characteristics when exposed to a high temperature in an air atmosphere is suppressed, comprises a shell containing a resin and a hollow part surrounded by the shell, wherein: the hollow particle has a porosity of at least 50%; the thermal decomposition starting temperature that is defined as the temperature when the weight of the hollow particle decreases by 1.0%, as measured by TG-DTA in a nitrogen atmosphere, is at least 350ºC; and the oxidation starting temperature that is defined as the weight increase starting temperature of the hollow particle, as measured by TG-DTA in an air atmosphere, is at least 250ºC.

IPC Classes  ?

  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
  • C08F 301/00 - Macromolecular compounds not provided for in groups
  • C08J 3/16 - Powdering or granulating by coagulating dispersions
  • C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity

12.

METHOD OF PRODUCING RECYCLED ALICYCLIC STRUCTURE-CONTAINING POLYMER

      
Application Number 19147043
Status Pending
Filing Date 2024-02-20
First Publication Date 2026-08-06
Owner ZEON CORPORATION (Japan)
Inventor Yamada, Yusuke

Abstract

Provided is a method of producing a recycled alicyclic structure-containing polymer in which a recycled alicyclic structure-containing polymer is obtained by efficiently and effectively removing a crystalline polymer from a shaped product containing the crystalline polymer and an alicyclic structure-containing polymer. The method of producing a recycled alicyclic structure-containing polymer is a method of producing a recycled alicyclic structure-containing polymer from a shaped product containing a crystalline polymer and an alicyclic structure-containing polymer that is amorphous and includes a specific dissolution step, a specific heating step, a specific cooling step, and a specific removal step.

IPC Classes  ?

  • C08J 11/08 - Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components

13.

MAGENTA TONER AND TONER SET

      
Application Number JP2026001175
Publication Number 2026/163848
Status In Force
Filing Date 2026-01-16
Publication Date 2026-08-06
Owner ZEON CORPORATION (Japan)
Inventor Akazaki, Kojiro

Abstract

This magenta toner is capable of forming an image having high lightness and saturation, the magenta toner containing colored resin particles that contain a binder resin, a colorant and a charge control agent, and being such that, in a specific filtrate test M, the ratio (b*/D) of the chromaticity b* of the filtrate to the reflection density D of the filtrate is −1.5 or higher, and the reflection density D of the filtrate is 1.94 or higher. This toner set contains the aforementioned magenta toner and is capable of forming an image having high lightness and saturation.

IPC Classes  ?

14.

COPOLYMER RUBBER, RUBBER COMPOSITION, AND CROSSLINKED RUBBER

      
Application Number 19144347
Status Pending
Filing Date 2023-12-25
First Publication Date 2026-07-30
Owner ZEON CORPORATION (Japan)
Inventor Bando, Fumiaki

Abstract

Provided is a copolymer rubber obtained by copolymerizing a butenedioic acid diester structure-containing monomer represented by General Formula (1) below and a radical polymerizable monomer: Provided is a copolymer rubber obtained by copolymerizing a butenedioic acid diester structure-containing monomer represented by General Formula (1) below and a radical polymerizable monomer: Provided is a copolymer rubber obtained by copolymerizing a butenedioic acid diester structure-containing monomer represented by General Formula (1) below and a radical polymerizable monomer: (in General Formula (1), R1 is a C1 to C4 alkyl group; R2 is a group represented by R7 or OR8; R7 is an optionally substituted C1 to C8 alkyl group; R3 is an optionally substituted C1 to C8 alkyl group or an optionally substituted polyalkylene glycol group; R3, R4, and R6 each independently represent a hydrogen atom or a C1 to C4 alkyl group; R5 is a hydrogen atom or a group represented by R3 or OR8; when R3 is a hydrogen atom, R2 is a group represented by OR3; R1 and R2 may be bonded to each other to form a ring; and R4 and R5 may be bonded to each other to form a ring).

IPC Classes  ?

  • C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
  • C08F 236/06 - Butadiene
  • C08K 3/04 - Carbon
  • C08K 5/00 - Use of organic ingredients
  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
  • C08K 5/205 - Compounds containing groups, e.g. carbamates

15.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19147419
Status Pending
Filing Date 2024-03-08
First Publication Date 2026-07-30
Owner ZEON CORPORATION (Japan)
Inventor
  • Takahashi, Naoki
  • Ito, Yukie

Abstract

Provided is a binder composition for a non-aqueous secondary battery functional layer that inhibits the formation of aggregates in a situation in which inorganic particles are compounded and is capable of forming a functional layer that can improve high-temperature storage characteristics of a secondary battery. The binder composition for a non-aqueous secondary battery functional layer contains a particulate polymer A and a dispersion medium. The electrical conductivity of the binder composition for a non-aqueous secondary battery functional layer at a solid content concentration of 20 mass % is not less than 1.0 mS/cm and not more than 10 mS/cm.

IPC Classes  ?

  • H01M 50/42 - Acrylic resins
  • C09D 5/24 - Electrically-conducting paints
  • C09D 7/40 - Additives
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 125/14 - Copolymers of styrene with unsaturated esters
  • C09D 133/20 - Homopolymers or copolymers of acrylonitrile
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 50/434 - Ceramics
  • H01M 50/443 - Particulate material
  • 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

16.

HOLLOW PARTICLES, ELASTOMER COMPOSITION AND ELASTOMER CROSSLINKED MOLDED BODY

      
Application Number 19149167
Status Pending
Filing Date 2024-01-11
First Publication Date 2026-07-30
Owner ZEON CORPORATION (Japan)
Inventor Katada, Arinobu

Abstract

To provide hollow particles configured to reduce the weight of elastomer crosslinked molded bodies and the compression set thereof, an elastomer composition comprising the hollow particles, and a crosslinked molded body thereof. Hollow particles comprising a shell, which contains a resin, and a hollow portion surrounded by the shell, wherein the hollow particles have an iodine value of 10 g/100 g or more and 50 g/100 g or less, which is measured in accordance with JIS K 0070, and an elastomer composition comprising the hollow particles and a base material elastomer.

IPC Classes  ?

  • B01J 13/18 - In situ polymerisation with all reactants being present in the same phase
  • B01J 13/20 - After-treatment of capsule walls, e.g. hardening
  • C08F 212/36 - Divinylbenzene
  • C08F 222/10 - Esters
  • C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers

17.

NONWOVEN FABRIC, HEAT DISSIPATION STRUCTURE, AND PRODUCTION METHODS THEREFOR

      
Application Number JP2026001688
Publication Number 2026/160346
Status In Force
Filing Date 2026-01-20
Publication Date 2026-07-30
Owner ZEON CORPORATION (Japan)
Inventor Murakami Yasuyuki

Abstract

A nonwoven fabric comprising fibrous carbon nanostructures having a BET specific surface area of 400 m2/g or more and metal nanoparticles that are any one of silver nanoparticles, copper nanoparticles, and tin nanoparticles, wherein the ratio of the mass of the metal nanoparticles to the mass of the fibrous carbon nanostructures (CNT) is 0.3-250.

IPC Classes  ?

  • D04H 1/4242 - Carbon fibres
  • C01B 32/174 - DerivatisationSolubilisationDispersion in solvents
  • D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
  • D06M 11/83 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with metalsTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with metal-generating compounds, e.g. metal carbonylsReduction of metal compounds on textiles
  • H10W 40/25 -
  • H10W 40/60 -

18.

ADHESIVE COATING LIQUID FOR ELECTROCHEMICAL DEVICE, ADHESIVE LAYER-EQUIPPED CURRENT COLLECTOR, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19136498
Status Pending
Filing Date 2023-11-28
First Publication Date 2026-07-23
Owner ZEON CORPORATION (Japan)
Inventor Harada, Ayumi

Abstract

Provided is a new technique that can ensure high-speed formability during electrode production by powder forming while also causing an electrochemical device to display excellent rate characteristics. An adhesive coating liquid for an electrochemical device contains an adhesive and water. The adhesive includes a particulate polymer X having a degree of swelling in electrolyte solution, by mass, of not less than ×1.0 and not more than ×3.0. The adhesive coating liquid for an electrochemical device has a tack strength of 0.50 N or more as measured using a tackiness tester.

IPC Classes  ?

  • C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
  • C09J 7/28 - Metal sheet
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

19.

COMPOSITE PARTICLES, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

      
Application Number 19138255
Status Pending
Filing Date 2023-12-14
First Publication Date 2026-07-23
Owner ZEON CORPORATION (Japan)
Inventor Sugimoto, Takumi

Abstract

Provided are composite particles that can improve flexibility of an electrode and can cause a secondary battery to display excellent battery characteristics. The composite particles are used in dry forming of an electrode for a secondary battery and contain an electrode active material and a binder. The composite particles have an area circularity of not less than 0.50 and not more than 0.93 and have a porosity of not less than 65% and not more than 80%.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

20.

CONJUGATED-DIENE-BASED POLYMER, CONJUGATED-DIENE-BASED POLYMER COMPOSITION, CROSSLINKED RUBBER OBJECT, AND TIRE

      
Application Number 19139095
Status Pending
Filing Date 2023-12-07
First Publication Date 2026-07-23
Owner ZEON CORPORATION (Japan)
Inventor
  • Rodriguez Castanon, Jesus
  • Fujii Ito, Mana
  • Kanesaka, Sho
  • Bando, Akinori
  • Murata Iwadate, Risa
  • Ichimiya Hiraguchi, Yukari

Abstract

A conjugated diene-based polymer including a conjugated diene monomer unit and an aromatic vinyl monomer unit, wherein a difference between an aromatic vinyl monomer unit content in a low molecular weight component contained in the conjugated diene-based polymer and an aromatic vinyl monomer unit content in a high molecular weight molecule contained therein “aromatic vinyl monomer unit content—aromatic vinyl monomer unit content” is 2% by weight or more.

IPC Classes  ?

  • C08F 236/10 - 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 conjugated with vinyl aromatic monomers
  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules

21.

COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER AND METHOD OF PRODUCING SAME, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19142364
Status Pending
Filing Date 2024-01-11
First Publication Date 2026-07-23
Owner ZEON CORPORATION (Japan)
Inventor Takishima, Keisuke

Abstract

A composition for an electrochemical device functional layer contains a particulate polymer having a particle diameter distribution that satisfies specific aspects and having a hydroxyl group surface localization rate of 25% or more.

IPC Classes  ?

  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01G 11/52 - Separators
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/431 - Inorganic material
  • H01M 50/443 - Particulate material

22.

RESIN COMPOSITION, PREPREG, METAL FOIL-CLAD LAMINATE AND PRINTED CIRCUIT BOARD

      
Application Number 19132147
Status Pending
Filing Date 2023-11-29
First Publication Date 2026-07-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Yagyu, Sakyo
  • Morimura, Miki

Abstract

To provide a resin composition and prepreg having excellent dielectric property and reliability, and a metal foil-clad laminate and printed circuit board having excellent reliability. A resin composition comprising hollow particles and a matrix resin, wherein the hollow particles comprise a shell, which contains a resin, and a hollow portion surrounded by the shell; the hollow particles have a void ratio of 50% or more; they have at least one kind of reactive group selected from the group consisting of an acidic group and an amino group on a surface thereof; and they satisfy at least one selected from the group consisting of an acidic group amount of 0.50 μmol/m2 or more and an amino group amount of 5.0 μmol/m2 or more, and wherein the matrix resin comprises a matrix resin containing a functional group which is reactive with the reactive group of the hollow particles.

IPC Classes  ?

  • H05K 1/03 - Use of materials for the substrate
  • B32B 15/092 - 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 comprising epoxy resins
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper

23.

ACRYLIC RUBBER COMPOSITION, CROSS-LINKED RUBBER, HOSE MATERIAL, SEALANT, TUBE MATERIAL, BELT MATERIAL, AND BOOT MATERIAL

      
Application Number 19134342
Status Pending
Filing Date 2023-11-24
First Publication Date 2026-07-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Sakakida, Hiroshi
  • Bando, Fumiaki

Abstract

An acrylic rubber composition comprising particular amounts of a particular acrylic rubber (A), a polyamine-based cross-linking agent (B), and a cross-linking retarder (C), wherein the relation among cross-linking point equivalent [a], cross-linking agent amine equivalent [b], and cross-linking retarder amine equivalent [c] satisfies the following formulae (1) and (2). formula (1): 10 mephr≤cross-linking point equivalent [a]≤25 mephr formula (2): 2≤(cross-linking point equivalent [a]−cross-linking retarder amine equivalent [c])/cross-linking agent amine equivalent [b]≤4

IPC Classes  ?

  • C08F 8/32 - Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines

24.

COMPOSITION FOR ELECTROCHEMICAL ELEMENT FUNCTIONAL LAYER, PRODUCTION METHOD THEREFOR, FUNCTIONAL LAYER FOR ELECTROCHEMICAL ELEMENT, MULTILAYER BODY FOR ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL ELEMENT

      
Application Number JP2026000305
Publication Number 2026/150923
Status In Force
Filing Date 2026-01-07
Publication Date 2026-07-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Adachi Yusuke
  • Watanabe Airi

Abstract

This composition for a functional layer contains a particulate polymer that has a core-shell structure, a volume-based median diameter of 1.0-20.0 μm, and the Raman spectrum satisfying a prescribed characteristic.

IPC Classes  ?

  • H01M 50/443 - Particulate material
  • H01G 11/52 - Separators
  • H01G 11/84 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties

25.

COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, MEMBER FOR NON-AQUEOUS SECONDARY BATTERY AND METHOD OF PRODUCING SAME, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19129307
Status Pending
Filing Date 2023-08-31
First Publication Date 2026-07-09
Owner ZEON CORPORATION (Japan)
Inventor
  • Tsuchikawa, Tomoya
  • Takagi, Kazuki
  • Umesato, Toshiyuki

Abstract

A composition for a non-aqueous secondary battery functional layer has a surface tension S30 at 30° C. and a surface tension S50 at 50° C. that satisfy condition (1) (S30−S50)<5 mN/m and condition (2) 30 mN/m≤S30≤50 mN/m, and has a viscosity at 30° C. of not less than 1 mPa·s and not more than 50 mPa·s.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C09J 5/00 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers
  • C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
  • H01M 4/04 - Processes of manufacture in general
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/443 - Particulate material

26.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY POSITIVE ELECTRODE, POSITIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19131531
Status Pending
Filing Date 2023-11-10
First Publication Date 2026-07-09
Owner ZEON CORPORATION (Japan)
Inventor Kawamura, Takaki

Abstract

Provided is a binder composition for a non-aqueous secondary battery electrode that contains a particulate polymer restricted from excessively swelling in electrolyte solution and that can form an electrode having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate polymer. The particulate polymer includes a (meth)acrylic acid ester monomer unit in a proportion of not less than 50 mass % and not more than 83 mass % and includes a styrene unit in a proportion of not less than 7 mass % and not more than 33 mass %. In tensile testing of a dry thin film formed using the binder composition for a non-aqueous secondary battery electrode, tensile stress at 100% elongation of the dry thin film is 10 MPa or less and maximum elongation of the dry thin film is 300% or more.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

27.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19131289
Status Pending
Filing Date 2023-11-27
First Publication Date 2026-07-09
Owner ZEON CORPORATION (Japan)
Inventor Shintani, Akihiro

Abstract

A binder composition for a non-aqueous secondary battery electrode contains a polymer and a solvent. In a situation in which the binder composition for a non-aqueous secondary battery electrode is subjected to filtration using a mesh filter having an opening size of 5 μm, the number of particles having a maximum diameter of not less than 5 μm and not more than 15 μm that are observed on the mesh filter after the filtration is 2,000 particles/L or less, and the proportion of the number of particles having a maximum diameter of more than 15 μm relative to the total number of particles that are observed on the mesh filter after the filtration is 40% or less.

IPC Classes  ?

  • C09D 5/24 - Electrically-conducting paints
  • C08K 3/04 - Carbon
  • C09D 7/40 - Additives
  • C09D 7/61 - Additives non-macromolecular inorganic
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

28.

ESTIMATION DEVICE, DESIGN ASSISTANCE SYSTEM, ESTIMATION METHOD, AND PROGRAM

      
Application Number JP2025044832
Publication Number 2026/141296
Status In Force
Filing Date 2025-12-22
Publication Date 2026-07-02
Owner ZEON CORPORATION (Japan)
Inventor
  • Sekimoto, Takafumi
  • Shirota, Riku

Abstract

This estimation device comprises: an input unit that receives an input of a target condition related to a physical property of a composition; a generation unit that generates design information of the composition; an estimation unit that estimates the physical property on the basis of the design information; and an output unit that outputs a score indicating the degree of conformity between an estimated value of the physical property and the target condition in association with the design information.

IPC Classes  ?

  • G16C 60/00 - Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation

29.

TERMINAL HYDROXYL GROUP-CONTAINING CYCLIC OLEFIN POLYMER, TERMINAL ALIPHATIC RING-CONTAINING CYCLIC OLEFIN POLYMER, AND POLYMER COMPOUND

      
Application Number JP2025042032
Publication Number 2026/140726
Status In Force
Filing Date 2025-12-02
Publication Date 2026-07-02
Owner ZEON CORPORATION (Japan)
Inventor
  • Sudeji, Hironari
  • Momoi, Yuichi

Abstract

This terminal hydroxyl group-containing cyclic olefin polymer contains a cyclic olefin unit. The cyclic olefin unit contains an aliphatic carbon ring. The terminal hydroxyl group-containing cyclic olefin polymer contains a hydroxyl group at a terminal.

IPC Classes  ?

  • C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
  • B29C 55/04 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets uniaxial, e.g. oblique
  • C08J 5/18 - Manufacture of films or sheets
  • 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 5/30 - Polarising elements
  • H05B 33/02 - Electroluminescent light sources Details
  • H10K 50/10 - OLEDs or polymer light-emitting diodes [PLED]
  • H10K 59/00 - Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group
  • H10K 59/10 - OLED displays

30.

FLUID MIXING DEVICE, FLUID MIXING METHOD, AND NANOPARTICLE MANUFACTURING METHOD

      
Application Number JP2025045474
Publication Number 2026/141526
Status In Force
Filing Date 2025-12-24
Publication Date 2026-07-02
Owner
  • TOYAMA PREFECTURE (Japan)
  • TOYAMA PREFECTURAL UNIVERSITY (Japan)
  • ZEON CORPORATION (Japan)
Inventor
  • Takata, Koji
  • Murakami, Tatsuya
  • Hashioka, Shingi

Abstract

A fluid mixing device 1 comprises two fluid introduction flow paths 10a, 10b, and a mixing flow path 20 communicating with the downstream ends of the fluid introduction flow paths 10a, 10b. Respective communication ports 11a, 11b of the fluid introduction flow paths 10a, 10b with respect to the mixing flow path 20 are separated in a direction orthogonal to an extending direction of the mixing flow path 20. The fluid introduction flow path 10a extends toward the communication port 11a at an angle θ1 of 30° or less with respect to the extending direction of the mixing flow path 20.

IPC Classes  ?

  • B01F 33/301 - Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions
  • B01F 23/50 - Mixing liquids with solids
  • B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
  • G01N 37/00 - Details not covered by any other group of this subclass

31.

MASK BLANK LAMINATE FOR EUV LITHOGRAPHY, METHOD OF PRODUCING SAME, AND MASK FOR EUV LITHOGRAPHY

      
Application Number 19129019
Status Pending
Filing Date 2023-11-14
First Publication Date 2026-06-25
Owner ZEON CORPORATION (Japan)
Inventor
  • Tsutsumi, Takashi
  • Yatsuo, Tadateru

Abstract

A mask blank laminate for EUV lithography includes a mask blank substrate for EUV lithography, an organic underlayer film disposed on one surface of the substrate, and a resist film disposed on the organic underlayer film.

IPC Classes  ?

  • G03F 1/22 - Masks or mask blanks for imaging by radiation of 100 nm or shorter wavelength, e.g. X-ray masks, extreme ultraviolet [EUV] masksPreparation 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

32.

RETARDATION LAYER, MULTILAYER RETARDATION FILM INCLUDING SAME, METHOD FOR PRODUCING SAME, AND COPOLYMER

      
Application Number JP2025040775
Publication Number 2026/133854
Status In Force
Filing Date 2025-11-21
Publication Date 2026-06-25
Owner ZEON CORPORATION (Japan)
Inventor
  • Sakamoto, Kei
  • Hatano, Taku

Abstract

This retardation layer has an Rth/d of (-20.0×10-3) to (-3.5×10-3), wherein Rth represents a retardation in the thickness direction of the retardation layer and d represents the thickness of the retardation layer, the retardation layer including a copolymer (P1) that includes a structural unit represented by formula (1) and a structural unit represented by formula (2). In formula (1), Rprepresents an electron donating substituent or the like, Rqrepresents a hydrogen atom or the like, and Rrrepresents a hydrogen atom or the like. In formula (2), Rxand Ryeach independently represent a hydrogen atom or the like, and R1, R2, R3, R4, R5, R6, and R7 each independently represent a hydrogen atom, a 1-6C alkyl group, or the like.

IPC Classes  ?

33.

RETARDATION LAYER, MULTILAYER RETARDATION FILM INCLUDING SAME, PRODUCTION METHOD THEREFOR, AND COPOLYMER

      
Application Number JP2025042403
Publication Number 2026/133989
Status In Force
Filing Date 2025-12-04
Publication Date 2026-06-25
Owner ZEON CORPORATION (Japan)
Inventor
  • Sakamoto, Kei
  • Hatano, Taku

Abstract

Provided is a retardation layer in which Rth/d is (-20.0×10-3) to (-3.5×10-3), where Rth represents thickness direction retardation of the retardation layer and d represents the thickness of the retardation layer. The retardation layer comprises a copolymer (P1) that contains a structural unit represented by formula (1) and a structural unit represented by formula (2) in a combined amount of not less than 60 wt%. In formula (1), Rprepresents a phenyl group and Rqrepresents a hydrogen atom or the like. In formula (2), Rxand Ryeach independently represent a hydrogen atom or the like, and Ra, Rb, Rc, Rd, and Re each independently represent a hydrogen atom, a C1-6 alkyl group, or the like.

IPC Classes  ?

34.

ELECTROMOTIVE FORCE GENERATING DEVICE

      
Application Number JP2025041469
Publication Number 2026/126812
Status In Force
Filing Date 2025-11-27
Publication Date 2026-06-18
Owner
  • ATOMWORK CO., LTD. (Japan)
  • ZEON CORPORATION (Japan)
Inventor
  • Shimomura Shinichiro
  • Yoshimura Shushichi
  • Uchida Hideki
  • Nishiura Ken

Abstract

An electromotive force generating device 10 comprises: a power generation means 14 which has an electrolyte-containing body 11 containing an electrolytic solution, a positive electrode 12, and a negative electrode 13, and which generates an electromotive force when the positive electrode 12 and the negative electrode 13 come into contact with the electrolyte-containing body 11; and a container 16 in which the whole or a part of the electrolyte-containing body 11 is housed in a sealed state together with a liquid. Accordingly, in the electromotive force generating device 10, the humidity in the container 16 is kept at a certain level or higher, and a decrease in output current and output voltage due to a decrease in atmospheric humidity can be suppressed.

IPC Classes  ?

  • H01M 6/06 - Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
  • H01M 10/615 - Heating or keeping warm
  • H01M 10/654 - Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes

35.

POSITIVE-TYPE RESIST COMPOSITION

      
Application Number JP2025041258
Publication Number 2026/116396
Status In Force
Filing Date 2025-11-26
Publication Date 2026-06-04
Owner ZEON CORPORATION (Japan)
Inventor Zhang Rui

Abstract

ABABB is satisfied. Note that in formula (I), two or more of R1to R3may be bonded to form a ring structure which may have a substituent, and those of R1to R3 that do not form a ring structure are each independently a hydrogen atom, a halogen atom, or an organic group, and may be the same or different.

IPC Classes  ?

  • G03F 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists
  • C07D 213/89 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
  • C07D 295/24 - Oxygen atoms
  • C08K 5/17 - AminesQuaternary ammonium compounds
  • C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity

36.

ACRYLIC RUBBER COMPOSITION, CROSSLINKED RUBBER OBJECT, HOSE MATERIAL, SEALING MATERIAL, TUBE MATERIAL, BELT MATERIAL, AND BOOT MATERIAL

      
Application Number JP2025041605
Publication Number 2026/116480
Status In Force
Filing Date 2025-11-28
Publication Date 2026-06-04
Owner ZEON CORPORATION (Japan)
Inventor
  • Fujii, Daichi
  • Bando, Fumiaki

Abstract

Provided is an acrylic rubber composition comprising an acrylic rubber and an aromatic-polyvalent-amine crosslinking agent, wherein the acrylic rubber comprises units of an alkyl (meth)acrylate monomer and/or an alkoxyalkyl (meth)acrylate monomer, and units of a carboxylated monomer. The acrylic rubber has a crosslinking-point equivalent of 10-25 mephr. When a section of an uncrosslinked solid rubber formed from the acrylic rubber composition is subjected to examination with an optical microscope to examine five areas in a 30 mm × 2 mm field of view, then secondary particles of the aromatic-polyvalent-amine crosslinking agent observed in the section have a maximum diameter of 200 μm or smaller.

IPC Classes  ?

  • C08L 33/00 - Compositions of 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 of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
  • B29B 7/18 - MixingKneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
  • C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups

37.

PARTICULATE BINDER FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, COMPOSITE PARTICLES FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY

      
Application Number JP2025040307
Publication Number 2026/116165
Status In Force
Filing Date 2025-11-18
Publication Date 2026-06-04
Owner ZEON CORPORATION (Japan)
Inventor
  • Isshiki Yasuhiro
  • Chifu Kenichiro

Abstract

The purpose of the present invention is to provide a particulate binder for a nonaqueous secondary battery electrode that allows an electrode for a nonaqueous secondary battery to exhibit excellent peel strength, that offers excellent electrode producibility, and enables the internal resistance of the nonaqueous secondary battery to be reduced. The present invention is a particulate binder for a nonaqueous secondary battery electrode, the particulate binder being configured from a polymer, wherein: the degree of electrolyte swelling in a test film A composed of the particulate binder for a nonaqueous secondary battery electrode lies within a prescribed numerical range; when an elastic modulus image is obtained by measuring, with an atomic microscope, the elastic modulus in a cross-section of a test film B composed of the particulate binder for the nonaqueous secondary battery electrode, a prescribed low elastic modulus region and a prescribed high elastic modulus region form a sea-island structure in all regions of the elastic modulus image; the average value of the elastic modulus is within a prescribed numerical range; and the proportion of the prescribed region A is within a prescribed numerical range.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 212/06 - Hydrocarbons
  • C08F 220/04 - AcidsMetals salts or ammonium salts thereof
  • C08F 220/42 - Nitriles
  • C08F 236/04 - 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 conjugated
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/139 - Processes of manufacture
  • H01M 10/052 - Li-accumulators
  • H01M 10/0566 - Liquid materials

38.

HOLLOW PARTICLES, METHOD FOR PRODUCING HOLLOW PARTICLES, RESIN COMPOSITION, MOLDED BODY AND METHOD FOR PRODUCING MOLDED BODY

      
Application Number 19399789
Status Pending
Filing Date 2025-11-25
First Publication Date 2026-05-21
Owner ZEON CORPORATION (Japan)
Inventor
  • Watanabe, Masashi
  • Yagyu, Sakyo

Abstract

The hollow particles comprise a shell containing a resin and a hollow portion surrounded by the shell. A void ratio is 50% or more. The shell contains, as the resin, a polymer in which from 60 parts by mass to 100 parts by mass of a crosslinkable monomer unit is contained in 100 parts by mass of all monomer units. The hollow particles have at least one kind of reactive group selected from the group consisting of a carboxy group, a carboxylic anhydride group and a sulfo group on a surface thereof. An acid value is 0.20 mmol/g or more.

IPC Classes  ?

  • B01J 13/16 - Interfacial polymerisation
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • C08F 212/12 - Hydrocarbons containing a branched unsaturated aliphatic radical or an alkyl radical attached to the ring
  • C08F 212/36 - Divinylbenzene
  • C08F 222/10 - Esters

39.

OPTICAL FILM, METHOD FOR PRODUCING OPTICAL FILM, POLARIZING PLATE, AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE

      
Application Number JP2025038189
Publication Number 2026/105591
Status In Force
Filing Date 2025-10-30
Publication Date 2026-05-21
Owner ZEON CORPORATION (Japan)
Inventor Hiroshiba, Yasuhiro

Abstract

Provided is an optical film containing an alicyclic structure-containing polymer and an ultraviolet absorber, having a thickness of 5 μm or less and a light transmittance of 10% or less at a wavelength of 380 nm. The optical film further contains 0.01-10 wt.% of a residual solvent. Also provided is a method for producing an optical film comprising a step for forming a coating film by applying, on a substrate, a mixed solution containing the alicyclic structure-containing polymer, the ultraviolet absorber, a first solvent, and a second solvent. The first solvent is a good solvent for the alicyclic structure-containing polymer and a poor solvent for the ultraviolet absorber. The second solvent is a good solvent for the ultraviolet absorber.

IPC Classes  ?

  • G02B 5/30 - Polarising elements
  • C08J 5/18 - Manufacture of films or sheets
  • C08K 5/3492 - Triazines
  • 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
  • C08L 101/02 - Compositions of unspecified macromolecular compounds characterised by the presence of specified groups
  • G02B 5/22 - Absorbing filters
  • H10K 50/86 - Arrangements for improving contrast, e.g. preventing reflection of ambient light
  • H10K 59/10 - OLED displays

40.

CATALYST LIQUID AND POLYMERIZABLE COMPOSITION

      
Application Number JP2025038817
Publication Number 2026/105640
Status In Force
Filing Date 2025-11-05
Publication Date 2026-05-21
Owner RIMTEC CORPORATION (Japan)
Inventor Iida, Yuusuke

Abstract

Provided is a catalyst liquid comprising a metathesis polymerization catalyst, a phosphorus atom-containing coordination compound, and a ketone compound, wherein: the metathesis polymerization catalyst is a ruthenium carbene complex represented by general formula (1) or general formula (2); and the content of the phosphorus atom-containing coordination compound is 1-5.9 moles in terms of phosphorus atoms with respect to one mole of ruthenium atoms in the metathesis polymerization catalyst.

IPC Classes  ?

  • C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring

41.

SLURRY COMPOSITION FOR ELECTRODE FOR MULTILAYER CERAMIC CAPACITOR, ELECTRODE LAYER FOR MULTILAYER CERAMIC CAPACITOR, AND MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2025039189
Publication Number 2026/100706
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner ZEON CORPORATION (Japan)
Inventor Sasaki Tomokazu

Abstract

The purpose of the present invention is to provide a slurry composition for an electrode for a multilayer ceramic capacitor which is capable of forming an electrode layer for a multilayer ceramic capacitor, the electrode layer being capable of imparting excellent sheet attack resistance to a multilayer body for a multilayer ceramic capacitor and reducing hygroscopicity of the multilayer body for a multilayer ceramic capacitor. A slurry composition for an electrode for a multilayer ceramic capacitor according to the present invention contains conductive metal particles, a water-soluble polymer, and a solvent, the water-soluble polymer containing a crosslinkable monomer unit.

IPC Classes  ?

  • H01G 4/30 - Stacked capacitors
  • C08K 3/08 - Metals
  • 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
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys

42.

CATALYST LIQUID AND POLYMERIZABLE COMPOSITION

      
Application Number 19118021
Status Pending
Filing Date 2023-10-11
First Publication Date 2026-05-07
Owner RIMTEC Corporation (Japan)
Inventor
  • Takeuchi, Masaki
  • Hara, Atsushi

Abstract

Provided is a catalyst solution comprising a metathesis polymerization catalyst, a coordinating compound containing a phosphorus atom, and a solvent, wherein the metathesis polymerization catalyst is a ruthenium-carbene complex represented by General Formula (1) or (2) below, and the coordinating compound containing a phosphorus atom is contained in an amount such that 6 to 1000 mol of phosphorus atoms are contained relative to 1 mol of ruthenium atoms in the metathesis polymerization catalyst. Provided is a catalyst solution comprising a metathesis polymerization catalyst, a coordinating compound containing a phosphorus atom, and a solvent, wherein the metathesis polymerization catalyst is a ruthenium-carbene complex represented by General Formula (1) or (2) below, and the coordinating compound containing a phosphorus atom is contained in an amount such that 6 to 1000 mol of phosphorus atoms are contained relative to 1 mol of ruthenium atoms in the metathesis polymerization catalyst.

IPC Classes  ?

  • C08F 32/08 - Homopolymers or copolymers of cyclic compounds having 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

43.

POLYMERIZABLE COMPOSITION AND NORBORNENE RESIN

      
Application Number 19118030
Status Pending
Filing Date 2023-10-11
First Publication Date 2026-05-07
Owner RIMTEC Corporation (Japan)
Inventor
  • Takeuchi, Masaki
  • Hara, Atsushi

Abstract

Provided is a polymerizable composition comprising a norbornene-based monomer, a metathesis polymerization catalyst, and a coordinating compound containing a phosphorus atom, wherein the metathesis polymerization catalyst is a ruthenium-carbene complex represented by General Formula (1) or (2) below, and the coordinating compound containing a phosphorus atom is contained in an amount such that 170 to 2000 mol of phosphorus atoms are contained relative to 1 mol of ruthenium atoms in the meta thesis polymerization catalyst. Provided is a polymerizable composition comprising a norbornene-based monomer, a metathesis polymerization catalyst, and a coordinating compound containing a phosphorus atom, wherein the metathesis polymerization catalyst is a ruthenium-carbene complex represented by General Formula (1) or (2) below, and the coordinating compound containing a phosphorus atom is contained in an amount such that 170 to 2000 mol of phosphorus atoms are contained relative to 1 mol of ruthenium atoms in the meta thesis polymerization catalyst.

IPC Classes  ?

  • C08F 132/08 - Homopolymers 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

44.

ALICYCLIC STRUCTURE-CONTAINING POLYMER, MOLDED BODY, METHOD FOR PRODUCING ALICYCLIC STRUCTURE-CONTAINING POLYMER, AND METHOD FOR PRODUCING MOLDED BODY

      
Application Number JP2025037178
Publication Number 2026/094745
Status In Force
Filing Date 2025-10-22
Publication Date 2026-05-07
Owner ZEON CORPORATION (Japan)
Inventor
  • Kuroe Motoki
  • Do Hanh Dung

Abstract

The purpose of the present invention is to provide an alicyclic structure-containing polymer having excellent optical characteristics and moldability. The present invention is an alicyclic structure-containing polymer containing a prescribed structural unit (I) and having a glass transition temperature of more than 100°C and 200°C or less.

IPC Classes  ?

  • C08F 8/48 - IsomerisationCyclisation
  • C08F 8/04 - Reduction, e.g. hydrogenation
  • C08F 36/22 - Homopolymers or 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 three or more carbon-to-carbon double bonds

45.

BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY

      
Application Number JP2025037648
Publication Number 2026/094870
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-07
Owner ZEON CORPORATION (Japan)
Inventor
  • Matsuo Yusaku
  • Kitazawa Yuzo

Abstract

The purpose of the present invention is to provide a binder composition for a nonaqueous secondary battery electrode capable of enhancing viscosity stability of a slurry composition. The present invention is a binder composition for a nonaqueous secondary battery electrode, the binder composition for a nonaqueous secondary battery electrode containing a binder, an aromatic surfactant, a polyether-modified polydimethylsiloxane, and water, wherein the binder is a polymer X containing 60-85 mass % of a (meth) acrylic acid ester monomer unit when the amount of all repeating units is 100 mass %, the aromatic surfactant has a naphthalene structure, the content of the aromatic surfactant is 1-10 parts by mass with respect to 100 parts by mass of the binder, and the content of the polyether-modified polydimethylsiloxane is 0.01-0.1 parts by mass with respect to 100 parts by mass of the binder.

IPC Classes  ?

  • H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • C08F 220/10 - Esters
  • C08L 33/08 - Homopolymers or copolymers of acrylic acid esters
  • C08L 83/12 - Block- or graft-copolymers containing polysiloxane sequences containing polyether sequences
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy

46.

BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY

      
Application Number JP2025037639
Publication Number 2026/094866
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-07
Owner ZEON CORPORATION (Japan)
Inventor
  • Matsuo Yusaku
  • Miyamae Tsubasa

Abstract

The purpose of the present invention is to provide a binder composition for a nonaqueous secondary battery electrode with which the viscosity stability of a slurry composition can be enhanced. The present invention is a binder composition for a nonaqueous secondary battery electrode, the binder composition containing a polymer X and water, in which the polymer X is water-soluble and includes a conjugated diene monomer unit and/or an alkylene structural unit and a hydroxyl group-containing (meth)acrylic acid ester monomer unit, the total proportion of the conjugated diene monomer unit and the alkylene structural unit in the polymer X is 30.0-55.0 mass%, and the proportion of the hydroxyl group-containing (meth)acrylic acid ester monomer unit in the polymer X is 27.0-40.0 mass%.

IPC Classes  ?

  • H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • C08F 220/10 - Esters
  • C08F 236/06 - Butadiene
  • C08L 33/00 - Compositions of 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 of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy

47.

NONAQUEOUS SECONDARY BATTERY ELECTRODE BINDER COMPOSITION, NONAQUEOUS SECONDARY BATTERY ELECTRODE SLURRY COMPOSITION, NONAQUEOUS SECONDARY BATTERY ELECTRODE, AND NONAQUEOUS SECONDARY BATTERY

      
Application Number JP2025038005
Publication Number 2026/094962
Status In Force
Filing Date 2025-10-29
Publication Date 2026-05-07
Owner ZEON CORPORATION (Japan)
Inventor
  • Aihara Shunjin
  • Hayasaka Kentaro

Abstract

The purpose of the present invention is to provide a nonaqueous secondary battery electrode binder composition from which it is possible to form a nonaqueous secondary battery electrode that exhibits excellent peel strength during high‑speed coating. A nonaqueous secondary battery electrode binder composition according to the present invention contains a particulate polymer. The particulate polymer contains a random copolymer having an isoprene unit or a block copolymer having an isoprene unit.

IPC Classes  ?

48.

DEVICE FOR PRODUCING ROLLED GRAIN LAYER AND METHOD OF PRODUCING ROLLED GRAIN LAYER USING SAME

      
Application Number 19123067
Status Pending
Filing Date 2023-10-19
First Publication Date 2026-04-30
Owner ZEON CORPORATION (Japan)
Inventor Hosono, Yuto

Abstract

A production apparatus for a rolled particle layer comprises: a feeding unit for particles; a conveying unit for the fed particles; a support unit for the conveyed particles; a squeegee unit for leveling the particles to form a particle layer; a pair of stock guide units defining the particle layer's width; and a rolling unit rolling the particle layer to form a rolled particle layer. The squeegee unit has a thickness defining portion closest to the support unit. Each stock guide unit includes: a parallel portion including a face parallel to an end face of the squeegee unit and having upstream and downstream end portions respectively located upstream and downstream of the thickness defining portion; and a projecting portion disposed protruding toward the squeegee unit's width center. The stock guide units are disposed so that a distance W between the parallel portions corresponds to the rolled particle layer's width.

IPC Classes  ?

  • H01M 4/04 - Processes of manufacture in general

49.

DISPERSION LIQUID SET FOR SECONDARY BATTERY ELECTRODE, CARBON NANOTUBE DISPERSION LIQUID, FIBER DISPERSION LIQUID, DISPERSION LIQUID FOR SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY, AND METHOD FOR PRODUCING DISPERSION LIQUID FOR SECONDARY BATTERY ELECTRODE

      
Application Number JP2025035588
Publication Number 2026/079393
Status In Force
Filing Date 2025-10-07
Publication Date 2026-04-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Takeshita Makoto
  • Komiya Ryoichi
  • Maki Kota

Abstract

The purpose of the present invention is to provide a dispersion liquid set which is for a secondary battery electrode and which makes it possible to form a secondary battery electrode that can enable a secondary battery to exhibit excellent cycle characteristics. This dispersion liquid set for a secondary battery electrode comprises: a carbon nanotube dispersion liquid which contains carbon nanotubes 1, a dispersant 1, and a solvent 1; and a fiber dispersion liquid which contains fibers and a solvent 2. The average length of the carbon nanotubes 1 is not more than 1 μm. The average length of the fibers is not less than 1.5 times the average length of the carbon nanotubes 1.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/139 - Processes of manufacture
  • H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
  • H01M 10/0566 - Liquid materials

50.

COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, COMPOSITION PRECURSOR FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19117080
Status Pending
Filing Date 2023-10-31
First Publication Date 2026-04-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Asada, Ryota
  • Adachi, Yusuke

Abstract

Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer that has excellent wet adhesiveness and that is capable of good inhibition of metal deposition on an electrode during charging and discharging and swelling of an electrochemical device. The composition for an electrochemical device functional layer contains a particulate polymer including a structural unit that includes a group having an aromatic ring where at least one hydrogen atom is substituted with a hydroxy group.

IPC Classes  ?

  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
  • C08F 8/12 - Hydrolysis
  • C09D 5/18 - Fireproof paints
  • C09D 125/14 - Copolymers of styrene with unsaturated esters
  • C09D 125/18 - Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
  • C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
  • H01G 11/52 - Separators
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure

51.

METHOD FOR PRODUCING FIBROUS STRUCTURE

      
Application Number JP2025035469
Publication Number 2026/079346
Status In Force
Filing Date 2025-10-06
Publication Date 2026-04-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Hongo Takayoshi
  • Nakamura Masao
  • Kurihara Ryuta

Abstract

The present invention improves the handleability of a fibrous structure and ensures sufficient dispersibility thereof. A method for producing a fibrous structure according to the present invention comprises: a preparation step for preparing a fibrous structure A that is aggregated in a state in which voids are formed between a plurality of fibrous materials; and a void removal step for removing some of the voids in the fibrous structure A to form a fibrous structure B, wherein when the bulk density of the fibrous structure A is ρA (g/mL), and the bulk density of the fibrous structure B is ρB (g/ml), 1.3≤ρB/ρA≤200 is satisfied.

IPC Classes  ?

52.

COMPOSITION SET FOR SECONDARY BATTERY ELECTRODE, FIRST COMPOSITION, SECOND COMPOSITION, COMPOSITION 1 FOR SECONDARY BATTERY ELECTRODE, COMPOSITION 2 FOR SECONDARY BATTERY ELECTRODE, COMPOSITION 3 FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY AND ELECTRODE FOR SECONDARY BATTERY, AND METHOD FOR MANUFACTURING COMPOSITION FOR SECONDARY BATTERY ELECTRODE

      
Application Number JP2025035589
Publication Number 2026/079394
Status In Force
Filing Date 2025-10-07
Publication Date 2026-04-16
Owner ZEON CORPORATION (Japan)
Inventor
  • Komiya Ryoichi
  • Takeshita Makoto
  • Maki Kota

Abstract

The purpose of the present invention is to provide a composition set for a secondary battery electrode with which it is possible to form a secondary battery electrode that can cause a secondary battery to exhibit excellent cycle characteristics. A composition set for a secondary battery electrode according to the present invention comprises a first composition that contains carbon nanotubes 1, and a second composition that contains carbon nanotubes 2. The G/D ratio of the carbon nanotubes 1 is 4 or less, and the G/D ratio of the carbon nanotubes 2 is greater than the G/D ratio of the carbon nanotubes 1 by 3 or more.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/139 - Processes of manufacture
  • H01M 10/0566 - Liquid materials

53.

Binder storage container for secondary battery and binder product for secondary battery

      
Application Number 19108172
Grant Number 12626928
Status In Force
Filing Date 2023-09-01
First Publication Date 2026-04-02
Grant Date 2026-05-12
Owner ZEON CORPORATION (Japan)
Inventor Maruhashi, Yutaka

Abstract

Provided are a binder storage container for a secondary battery and a binder product for a secondary battery that enable long-term storage of even a binder composition that can inhibit aggregate formation while also improving adhesiveness of a functional layer. The binder storage container for a secondary battery includes an accommodating part where a binder composition for a secondary battery is to be accommodated. The accommodating part is obtained through shaping of a resin composition that contains a polyolefin resin having a weight-average molecular weight of 400,000 or more as a main component. The accommodating part has a wall thickness of 2.5 mm or more and has a durability of 72 hours or more in an environmental stress cracking test in accordance with JIS K-6761 using dialkyl sodium sulfosuccinate aqueous solution of 1.5 mass % in concentration.

IPC Classes  ?

  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • C08K 5/42 - Sulfonic acidsDerivatives thereof
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

54.

RADIO WAVE ABSORBING MATERIAL AND RADIO WAVE ABSORBER

      
Application Number JP2025034482
Publication Number 2026/071188
Status In Force
Filing Date 2025-09-29
Publication Date 2026-04-02
Owner ZEON CORPORATION (Japan)
Inventor Yonemaru, Hiroyuki

Abstract

Provided is a radio wave absorbing material containing a composition comprising water and a polymer. The polymer accounts for 8 wt% or more, with the combined total of the water and the polymer taken as 100 wt%. The content of the water is 10 wt% or more relative to the total weight of the composition.

IPC Classes  ?

  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
  • C08F 226/02 - 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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
  • C08L 33/26 - Homopolymers or copolymers of acrylamide or methacrylamide
  • C08L 55/00 - Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
  • C08L 71/02 - Polyalkylene oxides

55.

WATER-CONTAINING BONDING MATERIAL, RAW MATERIAL SOLUTION FOR FORMING WATER-CONTAINING BONDING MATERIAL, BONDING MEMBER, AND BONDING STRUCTURE

      
Application Number JP2025034479
Publication Number 2026/071187
Status In Force
Filing Date 2025-09-29
Publication Date 2026-04-02
Owner ZEON CORPORATION (Japan)
Inventor Yonemaru, Hiroyuki

Abstract

Provided is a water-containing bonding material for constituting a bonding structure with two or more members bonded, comprising a water-soluble or water-swellable polymer (P) and water in an amount of 60 g or more per 1 L.

IPC Classes  ?

  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds
  • C09J 11/06 - Non-macromolecular additives organic

56.

HOLLOW PARTICLES, RESIN COMPOSITION AND MOLDED BODY

      
Application Number 19102497
Status Pending
Filing Date 2023-07-14
First Publication Date 2026-03-19
Owner ZEON CORPORATION (Japan)
Inventor Morimura, Miki

Abstract

To provide hollow particles having a decreased dielectric dissipation factor and improved performance stability. Hollow particles comprising a shell, which contains at least one kind of polymer, and a hollow portion surrounded by the shell, wherein a content of a non-crosslinkable monomer unit in 100% by mass of all monomer units forming a whole of the polymer contained in the shell, is 15% by mass or more and 60% by mass or less, and wherein the hollow particles have a dielectric dissipation factor of 5.00×10-4 or less at a frequency of 10 GHz.

IPC Classes  ?

57.

VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE

      
Application Number 19108434
Status Pending
Filing Date 2023-09-22
First Publication Date 2026-03-19
Owner ZEON CORPORATION (Japan)
Inventor Fujiwara, Takanori

Abstract

Provided is a vinyl chloride resin composition that is capable of forming a vinyl chloride resin molded product having excellent low-temperature tensile elongation. The vinyl chloride resin composition contains a vinyl chloride resin, a polyester plasticizer having a number-average molecular weight of less than 8,000, and a polyester resin having a number-average molecular weight of 8,000 or more. The vinyl chloride resin composition is preferably used in powder molding.

IPC Classes  ?

  • C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
  • B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • C08L 27/06 - Homopolymers or copolymers of vinyl chloride

58.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 19108171
Status Pending
Filing Date 2023-08-07
First Publication Date 2026-03-19
Owner ZEON CORPORATION (Japan)
Inventor Matsuo, Yusaku

Abstract

A binder composition for a non-aqueous secondary battery electrode contains a polymer X that includes an acidic group-containing monomer unit in a proportion of not less than 3 mass % and not more than 20 mass % and a repeating unit derived from an unsaturated monomer A in a proportion of not less than 5 mass % and less than 50 mass %. The unsaturated monomer A has a solubility in water of not less than 1 g/100 mL and not more than 15 g/100 mL and has a glass-transition temperature of 40° C. or lower.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

59.

VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE

      
Application Number 19108436
Status Pending
Filing Date 2023-09-22
First Publication Date 2026-03-12
Owner ZEON CORPORATION (Japan)
Inventor Fujiwara, Takanori

Abstract

Provided is a vinyl chloride resin composition that is capable of forming a vinyl chloride resin molded product having suppressed gloss change. The vinyl chloride resin composition contains a vinyl chloride resin, a plasticizer, and a hindered amine light stabilizer having a molecular weight of not less than 550 and not more than 1,500. The content of the plasticizer is 75 parts by mass or more relative to 100 parts by mass of the vinyl chloride resin. The vinyl chloride resin composition is preferably used in powder molding.

IPC Classes  ?

  • C08L 27/06 - Homopolymers or copolymers of vinyl chloride
  • B29C 41/00 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped articleApparatus therefor
  • B29C 41/18 - Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off
  • B29C 41/22 - Making multilayered or multicoloured articles
  • B29K 27/06 - PVC, i.e. polyvinylchloride
  • B29K 75/00 - Use of polyureas or polyurethanes as moulding material
  • B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
  • C08K 3/26 - CarbonatesBicarbonates
  • C08K 3/34 - Silicon-containing compounds
  • C08K 5/00 - Use of organic ingredients
  • C08K 5/07 - AldehydesKetones
  • C08K 5/092 - Polycarboxylic acids
  • C08K 5/098 - Metal salts of carboxylic acids
  • C08K 5/20 - Carboxylic acid amides
  • C08K 5/3435 - Piperidines

60.

BILE DUCT TUBE STENT

      
Application Number JP2025029535
Publication Number 2026/053758
Status In Force
Filing Date 2025-08-22
Publication Date 2026-03-12
Owner ZEON CORPORATION (Japan)
Inventor
  • Nishizawa, Takeo
  • Gon, Chimyon

Abstract

Provided is a bile duct tube stent excellent in visibility from the outside of a bile duct and capable of surely specifying the position of the bile duct by a simple procedure at the time of open surgery or laparoscopic surgery. A bile duct tube stent 1 to be placed in a bile duct comprises a flexible tube member 1T. A part or the whole of the tube member 1T contains a fluorescent dye that emits fluorescence in a predetermined wavelength region by irradiation with excitation light.

IPC Classes  ?

  • A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts

61.

METHOD FOR PRODUCING UNSATURATED ALCOHOL

      
Application Number JP2025028213
Publication Number 2026/048481
Status In Force
Filing Date 2025-08-07
Publication Date 2026-03-05
Owner ZEON CORPORATION (Japan)
Inventor Matsui Daiki

Abstract

The purpose of the present invention is to provide a method for producing an unsaturated alcohol, the method making it possible to produce an unsaturated alcohol with high selectivity and high yield even at high temperatures. A method for producing an unsaturated alcohol according to the present invention is characterized by comprising a step for reducing an unsaturated carboxylic acid ester to an unsaturated alcohol by using an alkali metal and an alcohol, the alkali metal being alkali metal particles having an average particle diameter of 100 μm or less.

IPC Classes  ?

  • C07C 29/147 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
  • C07C 33/025 - Acyclic alcohols with carbon-to-carbon double bonds with only one double bond

62.

POLYMERIZABLE COMPOSITION AND RESIN-IMPREGNATED SUPERCONDUCTING COIL

      
Application Number JP2025028386
Publication Number 2026/048498
Status In Force
Filing Date 2025-08-08
Publication Date 2026-03-05
Owner RIMTEC CORPORATION (Japan)
Inventor
  • Takeuchi, Masaki
  • Kikuchi, Akihiro

Abstract

Provided is a polymerizable composition capable of providing a norbornene-based resin that has a large specific heat capacity (Cp) at 7-10 K and that is capable of effectively suppressing a temperature rise of a superconducting coil at 7-10 K. The present invention provides a polymerizable composition for a resin-impregnated superconducting coil, the composition containing a norbornene-based monomer, metal nitride particles, and a metathesis polymerization catalyst. The present invention also provides a resin-impregnated superconducting coil obtained by impregnating a superconducting coil with a norbornene-based resin obtained by bulk polymerization of such a polymerizable composition.

IPC Classes  ?

  • H01F 6/06 - Coils, e.g. winding, insulating, terminating or casing arrangements therefor
  • C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
  • H01B 12/14 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by the disposition of thermal insulation

63.

FUNCTIONAL LAYER FOR ELECTROCHEMICAL ELEMENT, AND USE AND MANUFACTURING METHOD THEREOF

      
Application Number JP2025028815
Publication Number 2026/042730
Status In Force
Filing Date 2025-08-15
Publication Date 2026-02-26
Owner ZEON CORPORATION (Japan)
Inventor
  • Miyazaki, Akihiko
  • Sonobe, Kenya

Abstract

ULULL is the aspect ratio of the particulate polymer in a lower portion of the functional layer. This composite layer comprises the functional layer and a base material layer that is a separator base material, an electrode composite layer, or a metal foil. A method of manufacturing the functional layer is also provided.

IPC Classes  ?

  • H01M 50/443 - Particulate material
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
  • H01M 4/66 - Selection of materials
  • H01M 50/42 - Acrylic resins
  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/434 - Ceramics
  • H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties

64.

BINDER COMPOSITION FOR MULTILAYER CERAMIC CAPACITOR, SLURRY COMPOSITION FOR MULTILAYER CERAMIC CAPACITOR, LAMINATE FOR MULTILAYER CERAMIC CAPACITOR, AND MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2025028914
Publication Number 2026/042753
Status In Force
Filing Date 2025-08-18
Publication Date 2026-02-26
Owner ZEON CORPORATION (Japan)
Inventor Sasaki Tomokazu

Abstract

The purpose of the present invention is to provide a binder composition for a multilayer ceramic capacitor that makes it possible to impart exceptional crack resistance to a dielectric layer or the like and to prepare a slurry composition for a multilayer ceramic capacitor which has exceptional dispersion stability. A binder composition for a multilayer ceramic capacitor according to the present invention contains a particulate polymer and a solvent. The particulate polymer has a core-shell structure provided with a core part and a shell part that covers at least part of the outer surface of the core part.

IPC Classes  ?

  • C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
  • C04B 35/00 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
  • H01G 4/30 - Stacked capacitors

65.

CELLAZIP

      
Application Number 1903931
Status Registered
Filing Date 2025-12-25
Registration Date 2025-12-25
Owner ZEON CORPORATION (Japan)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 10 - Medical apparatus and instruments

Goods & Services

Containers adapted for cell culture for laboratory use; microplates for laboratory use; microscope apparatus, namely, microscope slides, lenses, lamps, reflectors, prisms and turntables [parts of microscopes]. Containers especially adapted for cell culture for medical and diagnostic use; microplates for medical diagnostic use; medical diagnostic devices, namely, lab-on-a-chip (LOC) devices and microfluidic chips.

66.

TONER AND IMAGE FORMING METHOD

      
Application Number 19103377
Status Pending
Filing Date 2023-08-28
First Publication Date 2026-02-26
Owner ZEON CORPORATION (Japan)
Inventor
  • Hirata, Takeshi
  • Yagyu, Sakyo

Abstract

A toner comprising colored resin particles, which contain a binder resin, a colorant, a positively-chargeable charge control resin and a release agent, and an external additive, wherein the positively-chargeable charge control resin comprises a copolymer A, which contains a functional group-containing monomer unit in an amount of 1.50% by mass or more and 6.00% by mass or less, and a copolymer B, which contains a functional group-containing monomer unit in an amount of 0.10% by mass or more and less than 1.50% by mass, and wherein the colored resin particles further contain a polar resin having an acid value of 0.5 mgKOH/g or more and 8.0 mgKOH/g or less.

IPC Classes  ?

  • G03G 9/097 - PlasticisersCharge controlling agents
  • G03G 9/09 - Colouring agents for toner particles

67.

COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19103617
Status Pending
Filing Date 2023-08-22
First Publication Date 2026-02-12
Owner ZEON CORPORATION (Japan)
Inventor Adachi, Yusuke

Abstract

Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer that has excellent wet adhesiveness and that is capable of good inhibition of metal deposition on an electrode during charging and discharging. The composition for an electrochemical device functional layer contains a particulate polymer. The particulate polymer includes a cycloalkyl group-containing monomer unit and at least one monomer unit (A) selected from the group consisting of a glycidyl group-containing monomer unit, an acetyl group-containing monomer unit, and an amide group-containing monomer unit. The particulate polymer has a volume-average particle diameter of not less than 1.0 μm and not more than 10.0 μm.

IPC Classes  ?

  • C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
  • C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
  • C09D 133/10 - Homopolymers or copolymers of methacrylic acid esters
  • C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
  • H01G 11/48 - Conductive polymers
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

68.

COMPOSITE PARTICLES AND METHOD OF PRODUCING SAME, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19102411
Status Pending
Filing Date 2023-08-21
First Publication Date 2026-02-12
Owner ZEON CORPORATION (Japan)
Inventor
  • Matsuzaki, Ikuma
  • Ota, Keisuke

Abstract

Composite particles contain an active material having a conductive material-containing coating layer. A conductive material forming the conductive material-containing coating layer includes a fibrous conductive material. A value of a ratio E2/E1 of convexity E2 of the active material having the conductive material-containing coating layer relative to convexity E1 of the active material itself is 0.9999 or less.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

69.

COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 19103605
Status Pending
Filing Date 2023-08-24
First Publication Date 2026-02-12
Owner ZEON CORPORATION (Japan)
Inventor Ogihara, Tasuku

Abstract

Provided is a composition for an electrochemical device functional layer that can form a functional layer having excellent adhesiveness. The composition for an electrochemical device functional layer contains a particulate polymer (X) and a particulate polymer (Y). A volume-average particle diameter of the particulate polymer (Y) is smaller than a volume-average particle diameter of the particulate polymer (X). One of the particulate polymer (X) and the particulate polymer (Y) includes a specific reactive monomer unit A and the other of the particulate polymer (X) and the particulate polymer (Y) includes a specific reactive monomer unit B.

IPC Classes  ?

  • C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
  • C09D 5/18 - Fireproof paints
  • C09D 125/14 - Copolymers of styrene with unsaturated esters
  • C09D 133/20 - Homopolymers or copolymers of acrylonitrile
  • C09D 147/00 - Coating compositions based on homolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCoating compositions based on derivatives of such polymers
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

70.

GAS-REACTIVE FILM MULTILAYERED OBJECT AND SKIN GAS ANALYSIS METHOD

      
Application Number JP2025026106
Publication Number 2026/028894
Status In Force
Filing Date 2025-07-23
Publication Date 2026-02-05
Owner ZEON CORPORATION (Japan)
Inventor Mashima, Hiromu

Abstract

This gas-reactive film multilayered object comprises a base material made of a resin, and a light-emitting layer containing a gas-reactive light-emitting material. The base material has a moisture permeability of less than 7 g/m2·24 h. Preferably, the base material has an average light transmittance of at least 80% at a wavelength of 300-400 nm. The gas-reactive light-emitting material reacts with skin gas. The photoluminescent properties of the gas-reactive light-emitting material change due to reaction with a gas. Also provided is a skin gas analysis method using said gas-reactive film multilayered object.

IPC Classes  ?

  • G01N 21/78 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
  • B32B 27/00 - Layered products essentially comprising synthetic resin
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • G01N 33/50 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing
  • G01N 33/483 - Physical analysis of biological material
  • G01N 33/497 - Physical analysis of biological material of gaseous biological material, e.g. breath

71.

LAYERED PRODUCT AND COMPOSITE LAYERED PRODUCT

      
Application Number 19101592
Status Pending
Filing Date 2023-08-10
First Publication Date 2026-02-05
Owner ZEON CORPORATION (Japan)
Inventor Inoue, Hiroyasu

Abstract

A protective layered body including: a first substrate layer; and a first release layer disposed in contact with one surface or both surfaces of the first substrate layer, wherein the first substrate layer is a layer formed of a resin containing a polymer and having a water vapor transmission rate at 40° C. and 90% Rh of smaller than 1 g/m2/day when the first substrate layer is assumed to have a thickness of 100 μm. Also provided is a composite layered body including the protective layered body and a resin layer (R) disposed on the protective layered body to be in contact with a surface thereof on a side of the release layer, wherein, when the resin layer (R) is left to stand in an environment at 25° C. and 50% Rh for 2 hours, a weight change ratio of the resin layer (R) is 0.5% or more.

IPC Classes  ?

  • H05K 5/03 - Covers
  • B32B 7/06 - Interconnection of layers permitting easy separation
  • 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

72.

COMPOSITION, SLURRY COMPOSITION, DIELECTRIC LAYER, AND MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2025025354
Publication Number 2026/028809
Status In Force
Filing Date 2025-07-15
Publication Date 2026-02-05
Owner ZEON CORPORATION (Japan)
Inventor Sasaki Tomokazu

Abstract

The objective of the present invention is to provide a composition capable of imparting excellent wettability with a release base material and dispersion stability to a slurry composition, and also capable of imparting excellent wettability with a conductive paste to a dielectric layer. The present invention relates to a composition comprising a water-soluble polymer, a compound having an isothiazolinone structure, and a dielectric material having a perovskite structure.

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
  • C08K 3/24 - AcidsSalts thereof
  • C08K 5/47 - Thiazoles
  • C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
  • H01G 4/30 - Stacked capacitors

73.

OPTICALLY ANISOTROPIC LAMINATE AND METHOD FOR PRODUCING SAME

      
Application Number JP2025026322
Publication Number 2026/028930
Status In Force
Filing Date 2025-07-24
Publication Date 2026-02-05
Owner ZEON CORPORATION (Japan)
Inventor
  • Hatano, Taku
  • Osato, Kazuhiro

Abstract

Provided is an optically anisotropic laminate comprising a first optically anisotropic layer and a second optically anisotropic layer, wherein: the first optically anisotropic layer satisfies formula (1); the second optically anisotropic layer satisfies formula (2); the optically anisotropic laminate satisfies formula (3); the NZ coefficient NZ2 of the second optically anisotropic layer satisfies formula (4); and the second optically anisotropic layer contains a resin containing a polymer containing a 4-vinylbiphenyl monomer unit. (1): nx1 > ny1 ≥ nz1 (2): nz2 > nx2 > ny2 (3): Re(450) < Re(550) < Re(650) (4): NZ2 < −0.2

IPC Classes  ?

74.

METHODS FOR PRODUCING CELL POPULATIONS WITH INCREASED NUCLEIC ACID UPTAKE

      
Application Number 19351228
Status Pending
Filing Date 2025-10-06
First Publication Date 2026-01-29
Owner ZEON CORPORATION (Japan)
Inventor
  • Ward, Anthony
  • Healey, Laura
  • Ouaguia-Paludan, Laurissa
  • Campos Gonzalez, Roberto

Abstract

A method for obtaining a genetically engineered leukocyte composition is provided. The method includes: (a) enriching a population of large cells from a biological sample obtained from a subject, wherein the biological sample comprises leukocytes without performing density gradient centrifugation; (b) contacting the population of large cells with an activating agent; and (c) transducing the population of large cells with a viral vector comprising a polynucleotide. The enriching comprises an array-based separation comprising a microfluidic device configured for deterministic lateral displacement comprising an array of obstacles, and the obstacles are elongated so that their length perpendicular to bulk fluid flow (P1) is longer than their width parallel to bulk fluid flow (P2) by at least 10%.

IPC Classes  ?

  • C12N 5/0783 - T cellsNK cellsProgenitors of T or NK cells
  • A61K 40/11 - T-cells, e.g. tumour infiltrating lymphocytes [TIL] or regulatory T [Treg] cellsLymphokine-activated killer [LAK] cells
  • A61K 40/31 - Chimeric antigen receptors [CAR]
  • A61K 40/32 - T-cell receptors [TCR]
  • A61K 40/42 - Cancer antigens
  • C12M 1/00 - Apparatus for enzymology or microbiology

75.

RESIN SHEET FOR SEMICONDUCTOR MANUFACTURING PROCESS

      
Application Number JP2025025365
Publication Number 2026/023501
Status In Force
Filing Date 2025-07-15
Publication Date 2026-01-29
Owner ZEON CORPORATION (Japan)
Inventor
  • Sudeji, Hironari
  • Tsujino, Toma

Abstract

Provided is a resin sheet for a semiconductor manufacturing process, comprising a cycloolefin resin having a glass transition temperature of 115°C or higher.

IPC Classes  ?

  • 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
  • B24B 37/28 - Work carriers for double side lapping of plane surfaces
  • C08G 61/06 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
  • C08J 5/18 - Manufacture of films or sheets

76.

BINDER FOR SECONDARY BATTERY FUNCTIONAL LAYER, SLURRY COMPOSITION FOR SECONDARY BATTERY FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR SECONDARY BATTERY, AND SECONDARY BATTERY

      
Application Number 18995377
Status Pending
Filing Date 2023-07-18
First Publication Date 2026-01-22
Owner ZEON CORPORATION (Japan)
Inventor Matsuno, Hirohiko

Abstract

Provided is a binder for a secondary battery functional layer that can form a functional layer having excellent heat shrinkage resistance, adhesiveness, and preservation stability. The binder for a secondary battery functional layer contains a particulate polymer including an acidic functional group-containing monomer unit and a reactive functional group-containing monomer unit including a functional group that can react with an acidic functional group. The proportional content of the reactive functional group-containing monomer unit is not less than 7 mass % and not more than 30 mass % when all monomer units included in the particulate polymer are taken to be 100 mass %. A film that is formed of the particulate polymer after accelerated testing has an elastic modulus of 10 MPa or less.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

77.

SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY POSITIVE ELECTRODE, POSITIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 18997237
Status Pending
Filing Date 2023-07-03
First Publication Date 2026-01-22
Owner ZEON CORPORATION (Japan)
Inventor Matsuo, Yusaku

Abstract

Provided is a slurry composition for a non-aqueous secondary battery positive electrode that has excellent dispersibility and that can cause a positive electrode mixed material layer to display excellent adhesiveness and water shedding ability. The slurry composition for a non-aqueous secondary battery positive electrode contains carbon coating layer-covered olivine-type lithium iron phosphate particles in which surfaces of olivine-type lithium iron phosphate particles are at least partially covered by a carbon coating layer and a polymer X including an acidic group-containing monomer unit in a proportion of not less than 3 mass % and not more than 40 mass %. Surfaces of the carbon coating layer-covered olivine-type lithium iron phosphate particles have a weak acid group content of not less than 5 μmol/g and not more than 15 μmol/g.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

78.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 18997583
Status Pending
Filing Date 2023-07-27
First Publication Date 2026-01-22
Owner ZEON CORPORATION (Japan)
Inventor
  • Hayasaka, Kentaro
  • Song, Ruichong

Abstract

Provided is a binder composition for a non-aqueous secondary battery electrode that has good tackiness and that enables the formation of an electrode for a non-aqueous secondary battery having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate binder and water. A ratio of an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 8.0 relative to a volume-average particle diameter Db of the particulate binder measured by laser diffraction/scattering is within a specific range. When viscosity of the binder composition at pH 6.0 and viscosity of the binder composition at pH 8.0 as measured under specific conditions are respectively taken to be η1 and η2, a viscosity increase rate, which is calculated by formula (I): viscosity increase rate={(η2−η1)/η1}, is within a specific range.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C09J 147/00 - Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsAdhesives based on derivatives of such polymers
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

79.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

      
Application Number 18997591
Status Pending
Filing Date 2023-07-27
First Publication Date 2026-01-22
Owner ZEON CORPORATION (Japan)
Inventor
  • Hayasaka, Kentaro
  • Song, Ruichong

Abstract

Provided is a binder composition for a non-aqueous secondary battery electrode that has good tackiness and that enables the formation of an electrode for a non-aqueous secondary battery having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate binder and water. The particulate binder includes a polymer (A) including a (meth)acrylic acid ester monomer unit. A ratio of an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 8.0 relative to an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 6.0 is within a specific range.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

80.

BINDER POWDER FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, MIXED POWDER COMPOSITION, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR, AND NONAQUEOUS SECONDARY BATTERY

      
Application Number JP2025023221
Publication Number 2026/009834
Status In Force
Filing Date 2025-06-27
Publication Date 2026-01-08
Owner ZEON CORPORATION (Japan)
Inventor Ogihara, Tasuku

Abstract

This binder powder for a nonaqueous secondary battery electrode contains a particulate polymer, and has an electrolyte swelling degree of 1.0-1.5 and a glass transition temperature of 50-100°C. Preferably, the flexural modulus of a molded article having a thickness of 3 mm of the binder powder is 1000-2500 MPa. Preferably, the particulate polymer contains a (meth) acrylic acid ester monomer unit, and the proportion of the (meth) acrylic acid ester monomer unit in the binder powder is 95 mass% or more. Provided are a mixed powder composition containing the binder powder, an electrode for a nonaqueous secondary battery, a nonaqueous secondary battery, and a method for manufacturing an electrode.

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

81.

BINDER COMPOSITION FOR ELECTROCHEMICAL ELEMENT, CURRENT COLLECTOR FOR ELECTROCHEMICAL ELEMENT, ELECTRODE FOR ELECTROCHEMICAL ELEMENT, ELECTROCHEMICAL ELEMENT, AND METHOD FOR PRODUCING BINDER COMPOSITION FOR ELECTROCHEMICAL ELEMENT

      
Application Number JP2025024219
Publication Number 2026/009976
Status In Force
Filing Date 2025-07-04
Publication Date 2026-01-08
Owner ZEON CORPORATION (Japan)
Inventor
  • Fusao Satoshi
  • Taguchi Hiroyuki
  • Adachi Yusuke

Abstract

5050)) of greater than 1.0 µm and less than or equal to 10.0 µm and a glass transition temperature below 10°C.

IPC Classes  ?

  • H01M 4/66 - Selection of materials
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08L 101/06 - Compositions of unspecified macromolecular compounds characterised by the presence of specified groups containing oxygen atoms
  • 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
  • H01G 11/38 - Carbon pastes or blendsBinders or additives therein
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof

82.

CROSSLINKABLE POLYMER COMPOSITION, CROSSLINKED PRODUCT, AND CROSSLINKED FOAM

      
Application Number 18998663
Status Pending
Filing Date 2023-07-06
First Publication Date 2026-01-08
Owner ZEON CORPORATION (Japan)
Inventor Kato, Daisuke

Abstract

Provided is a cross-linkable polymer composition comprising a hydrogenated block copolymer composition comprising a hydrogenated block copolymer A represented by General Formula (A) and a hydrogenated block copolymer B represented by General Formula (B) in a specific weight ratio (A/B) and having a hydrogenation ratio of olefins of 10 to 100%; and a polyolefin thermoplastic resin C in a specific ratio (C/(A+B)); and further comprising a cross-linking agent.

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
  • C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
  • C08K 5/14 - Peroxides
  • C08K 5/21 - UreaDerivatives thereof, e.g. biuret
  • C08L 23/0853 - Ethene vinyl acetate copolymers

83.

COMPOSITION FOR ELECTROCHEMICAL ELEMENT FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL ELEMENT, LAMINATE FOR ELECTROCHEMICAL ELEMENT, METHOD FOR MANUFACTURING LAMINATE FOR ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL ELEMENT

      
Application Number JP2025020853
Publication Number 2026/009651
Status In Force
Filing Date 2025-06-09
Publication Date 2026-01-08
Owner ZEON CORPORATION (Japan)
Inventor Adachi Yusuke

Abstract

The objective of the present invention is to provide a composition for an electrochemical element functional layer that can be used to form an electrochemical element functional layer capable of imparting excellent process adhesiveness and blocking resistance to electrochemical element members such as electrodes and separators. A composition for an electrochemical element functional layer according to the present invention includes a first particulate polymer and a second particulate polymer, and is characterized in that the second particulate polymer has a viscosity between 50 mPa·s and 20,000 mPa·s, inclusive, at pH 9.8.

IPC Classes  ?

  • H01M 50/443 - Particulate material
  • H01G 11/52 - Separators
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/66 - Selection of materials
  • H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties

84.

LIGHT-DIFFUSIBLE RESIN COMPOSITION AND LIGHT-DIFFUSING SHEET

      
Application Number JP2025018500
Publication Number 2026/004416
Status In Force
Filing Date 2025-05-22
Publication Date 2026-01-02
Owner ZEON CORPORATION (Japan)
Inventor Katada, Arinobu

Abstract

This light-diffusible resin composition is capable of forming a light-diffusing layer that is excellent in light diffusibility and has suppressed unevenness of light diffusion performance, and contains light-diffusible microparticles, a matrix resin, and a solvent. The light-diffusible microparticles are organic microparticles containing a polymer of microparticle-synthesizing polymerizable monomers including a crosslinkable hydrocarbon monomer. The light-diffusible microparticles provide an immersion heat amount of 0.7-100 J/g when immersed in octane at 30°C, and provide an immersion heat amount of 1-100 J/g when immersed in formamide at 30°C. The matrix resin is constituted of at least one type of thermoplastic resin. The surface free energy of each type of thermoplastic resin is at least 20 mN/m and lower than 50 mN/m at 20°C. The solvent is constituted of at least one type of of organic solvent. The surface tension of each type of organic solvent is 20-40 mN/m at 20°C.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08F 20/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
  • C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
  • G02B 5/02 - Diffusing elementsAfocal elements

85.

INDWELLING CLIP

      
Application Number 19318875
Status Pending
Filing Date 2025-09-04
First Publication Date 2026-01-01
Owner ZEON CORPORATION (Japan)
Inventor
  • Sugitani, Tatsurou
  • Mizuno, Hikaru
  • Ninomiya, Masakazu

Abstract

An indwelling clip includes a pair of arm plate portions capable of opening in a substantially V shape with an elastic force, claw portions formed on respective tip portions of the arm plate portions, and a fastening ring attached to the arm plate portions so as to be movable along a longitudinal direction of the pair of arm plate portions and be able to close the pair of arm plate portions by moving in a direction toward the claw portions. The arm plate portion is provided with a fluorescent body containing a fluorescent pigment emitting red or near infrared light by being irradiated with excitation light.

IPC Classes  ?

  • A61B 17/122 - Clamps or clips, e.g. for the umbilical cord
  • A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges

86.

OPTICALLY ANISOTROPIC LAMINATE, METHOD FOR MANUFACTURING SAME, CIRCULARLY POLARIZING PLATE, AND IMAGE DISPLAY DEVICE

      
Application Number JP2025017117
Publication Number 2025/263151
Status In Force
Filing Date 2025-05-09
Publication Date 2025-12-26
Owner ZEON CORPORATION (Japan)
Inventor Osato, Kazuhiro

Abstract

Provided is an optically anisotropic laminate including a first optically anisotropic layer and a second optically anisotropic layer, wherein the first optically anisotropic layer satisfies formula (1), the second optically anisotropic layer satisfies formula (2), the first optically anisotropic layer and the second optically anisotropic layer satisfy the relationship of formula (3), the optically anisotropic laminate satisfies formula (4), an NZ coefficient of each of the first optically anisotropic layer and the second optically anisotropic layer satisfies formula (5), and the angle formed by the slow axis of the first optically anisotropic layer and the slow axis of the second optically anisotropic layer is 90°. (1): nx1 > ny1 ≥ nz1 (2): nz2 > nx2 > ny2 (3): |Re2(450)/Re2(550) - Re1(450)/Re1(550)| ≥ 0.12 (4): Re(450) < Re(550) < Re(650) (5): - 1.5 ≤ NZ1 + NZ2 < 0.1

IPC Classes  ?

  • G02B 5/30 - Polarising elements
  • G02F 1/13363 - Birefringent elements, e.g. for optical compensation
  • G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
  • H10K 50/86 - Arrangements for improving contrast, e.g. preventing reflection of ambient light
  • H10K 59/10 - OLED displays

87.

CELLAZIP

      
Serial Number 79444367
Status Pending
Filing Date 2025-12-25
Owner ZEON CORPORATION (Japan)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 10 - Medical apparatus and instruments

Goods & Services

Cell culture apparatus for laboratory use, namely, cell culture dishes and chambers; laboratory equipment, namely, microplates for laboratory use; structural parts of microscopes, namely, microscope slides, lenses, lamps, reflectors, prisms and turntables Cell culture apparatus for medical and medical diagnostic use, namely, cell culture dishes and chambers; medical apparatus, namely, microplates for medical diagnostic use; medical diagnostic devices, namely, lab-on-a-chip (LOC) devices and microfluidic chips

88.

DIENE-BASED POLYMER RUBBER

      
Application Number 18877419
Status Pending
Filing Date 2023-06-28
First Publication Date 2025-12-25
Owner ZEON CORPORATION (Japan)
Inventor Goto, Kunihiro

Abstract

A diene polymer rubber including a diene monomer unit and a (meth)acrylic acid ester monomer unit, wherein a content of the (meth)acrylic acid ester monomer unit is 1 to 40% by weight.

IPC Classes  ?

89.

MANUFACTURING DEVICE FOR ELECTRODE MIXTURE LAYER AND MANUFACTURING METHOD FOR ELECTRODE MIXTURE LAYER

      
Application Number 18878888
Status Pending
Filing Date 2023-07-24
First Publication Date 2025-12-25
Owner ZEON CORPORATION (Japan)
Inventor Fujii, Tsutomu

Abstract

A production apparatus of an electrode mixture layer, comprising: a support unit; a feeding unit that feeds granulated particles on or above the support unit; a conveying unit that conveys the granulated particles that have been fed on or above the support unit; a squeegee unit that levels the conveyed granulated particles to form a granulated particle layer, the squeegee unit including a passage portion, and non-passage portions that are provided at both ends of the passage portion; and a forming unit that applies a load to the granulated particle layer to form an electrode mixture layer, wherein the squeegee unit has a first adjusting mechanism capable of continuously changing a gap in a width direction so that gaps at end portions in the width direction of the passage portion are narrower than a gap at a central portion.

IPC Classes  ?

  • B05C 11/02 - Apparatus for spreading or distributing liquids or other fluent materials already applied to a surfaceControl of the thickness of a coating
  • B05C 9/12 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
  • B05C 11/04 - Apparatus for spreading or distributing liquids or other fluent materials already applied to a surfaceControl of the thickness of a coating with blades
  • H01M 4/04 - Processes of manufacture in general

90.

METHOD FOR PRODUCING HOLLOW RESIN PARTICLES

      
Application Number 19295745
Status Pending
Filing Date 2025-08-11
First Publication Date 2025-12-18
Owner ZEON CORPORATION (Japan)
Inventor Tsumura, Ryo

Abstract

Provided is a method for producing hollow resin particles in which a residual amount of a hydrocarbon solvent once held inside particles in a production process is reduced and particle breakage is suppressed. The method for producing hollow resin particles, which include preparing a mixture liquid containing a polymerizable monomer, a hydrocarbon solvent, a polymerization initiator and an aqueous medium, suspending the mixture liquid to prepare a suspension, subjecting the suspension to a polymerization reaction to prepare a precursor composition containing precursor particles having a hollow portion and including the hydrocarbon solvent in the hollow portion, and removing the hydrocarbon solvent from the precursor particles, wherein the polymerizable monomer contains a crosslinkable monomer in an amount of from 40% by mass to 100% by mass, and wherein the removal of the hydrocarbon solvent is performed by a specific method.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof

91.

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM

      
Application Number JP2025019660
Publication Number 2025/258423
Status In Force
Filing Date 2025-05-30
Publication Date 2025-12-18
Owner ZEON CORPORATION (Japan)
Inventor Nagaoka, Masahiro

Abstract

This information processing system comprises: an acquisition unit that acquires teacher data including a prescribed explanatory variable and a correct answer label; a candidate generation unit that generates candidate data including an explanatory variable satisfying a prescribed constraint condition; a dimension reduction unit that generates a plurality of feature data in which each of the teacher data and the candidate data is dimensionally reduced; a selection unit that selects candidate data on the basis of the degree of similarity to the teacher data, the degree of similarity being calculated using the feature data; and an output unit that outputs the selected candidate data.

IPC Classes  ?

  • G06N 3/091 - Active learning
  • G16C 20/00 - Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures

92.

RESIN COMPOSITION, PREPREG, LAMINATE, METAL-CLAD LAMINATED PLATE, AND WIRING BOARD

      
Application Number JP2025020300
Publication Number 2025/258485
Status In Force
Filing Date 2025-06-04
Publication Date 2025-12-18
Owner ZEON CORPORATION (Japan)
Inventor
  • Saito Daisuke
  • Ishiguro Atsushi

Abstract

The present invention provides a resin composition excellent in dielectric characteristics, heat resistance, and adhesiveness to a metal layer. The resin composition according to the present invention contains a curable compound, a thermoplastic resin, and a curing aid, wherein the curing aid is a compound having an alkoxysilyl structure. The curable compound preferably includes at least one selected from the group consisting of curable hydrocarbons, epoxy compounds, imide compounds, and modified polyphenylene ether compounds having, at a terminal thereof, a substituent having a carbon-carbon unsaturated bond.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C08F 290/06 - Polymers provided for in subclass
  • C08F 290/14 - Polymers provided for in subclass
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • H05K 1/03 - Use of materials for the substrate

93.

RESIN COMPOSITION, PREPREG, LAMINATE, METAL-CLAD LAMINATE, AND WIRING BOARD

      
Application Number JP2025020299
Publication Number 2025/258484
Status In Force
Filing Date 2025-06-04
Publication Date 2025-12-18
Owner ZEON CORPORATION (Japan)
Inventor
  • Saito Daisuke
  • Ishiguro Atsushi
  • Fukano Keisuke

Abstract

The present invention provides a resin composition excellent in dielectric characteristics, thermal resistance, and adhesiveness to a metal layer. This resin composition contains a curable compound and a silane-modified thermoplastic resin. The curable compound contains at least one type of compound selected from the group consisting of curable hydrocarbons, imide compounds, and modified polyether compounds having, at a terminal thereof, a substituent having a carbon-carbon unsaturated bond. The curable compound is preferably a modified polyether compound having at least one of (meth)acryloyl groups and styryl groups at a terminal thereof.

IPC Classes  ?

  • C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
  • 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 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
  • C08F 8/04 - Reduction, e.g. hydrogenation
  • C08F 22/40 - Imides, e.g. cyclic imides
  • C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
  • C08F 290/06 - Polymers provided for in subclass
  • C08F 290/12 - Polymers provided for in subclasses or
  • C08F 299/00 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
  • 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
  • C08L 71/12 - Polyphenylene oxides
  • H05K 1/03 - Use of materials for the substrate

94.

PROCESS OF DEGRADING CROSS-LINKED DCPD-BASED POLYMERS

      
Application Number EP2025065498
Publication Number 2025/256990
Status In Force
Filing Date 2025-06-04
Publication Date 2025-12-18
Owner
  • RIMTEC CORPORATION (Japan)
  • TELENE SAS (France)
Inventor
  • Drozdzak-Matusiak, Renata Anna
  • Daemen, Alexander Pieter Maria
  • Nishioka, Naoki
  • Gulyás, Henrik
  • Tschan, Mathieu Jean-Luc Joseph

Abstract

EE of at least 1 GPa at a temperature of 0 °C, (b) providing one or more cross-metathesis partners, (c) providing one or more metathesis catalysts, and (d) contacting the polymer product, the one or more metathesis catalysts and the one or more cross-metathesis partners to degrade at least the cross-linked polymer in the polymer product by cross-metathesis with the one or more cross-metathesis partners. The invention further concerns a degraded polymer product, obtainable by said process.

IPC Classes  ?

  • C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
  • C08J 11/28 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus

95.

BINDER COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, SLURRY COMPOSITION FOR ALL-SOLID-STATE SECONDARY BATTERY, FUNCTIONAL LAYER FOR ALL-SOLID-STATE SECONDARY BATTERY, AND ALL-SOLID-STATE SECONDARY BATTERY

      
Application Number 18863640
Status Pending
Filing Date 2023-05-24
First Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor Matsuo, Yusaku

Abstract

Provided is a binder composition for an all-solid-state secondary battery that can reduce internal resistance of an all-solid-state secondary battery while also imparting excellent adhesiveness to a functional layer for an all-solid-state secondary battery. The binder composition for an all-solid-state secondary battery contains a copolymer including a nitrile group-containing monomer unit and a solvent. The solvent includes an ester solvent having a carbon number of 6 or more. Proportional content of the nitrile group-containing monomer unit in the copolymer is 10 mass % to 22 mass % when all repeating units in the copolymer are taken to be 100 mass %. The copolymer has a tetrahydrofuran-insoluble fraction of 0.5 mass % to 3 mass %, and a copolymer solution obtained when the copolymer is dissolved in the solvent such that concentration of the copolymer is 8 mass % has a haze of 30% to 80%.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 10/0562 - Solid materials

96.

MULTILAYER RETARDATION FILM AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2025016520
Publication Number 2025/249080
Status In Force
Filing Date 2025-05-01
Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor
  • Hatano, Taku
  • Osato, Kazuhiro

Abstract

A multilayer retardation film comprising a first retardation layer and a second retardation layer, wherein the first retardation layer has an in-plane retardation of more than 0 nm and 60 nm or less and a retardation in the thickness direction of 50-150 nm, the second retardation layer has an in-plane retardation of 100-150 nm and a retardation in the thickness direction of -150 nm to -50 nm, the angle formed by the slow axis direction of the second retardation layer and the slow axis direction of the first retardation layer is 10° or less, and the second retardation layer contains a resin containing a polymer containing a 4-vinylbiphenyl monomer unit.

IPC Classes  ?

97.

MULTILAYER RETARDATION FILM AND METHOD FOR PRODUCING SAME

      
Application Number JP2025016533
Publication Number 2025/249082
Status In Force
Filing Date 2025-05-01
Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor
  • Hatano, Taku
  • Osato, Kazuhiro

Abstract

The multilayer retardation film comprises a first retardation layer and a second retardation layer. The first retardation layer has an in-plane retardation of more than 0 nm and not more than 60 nm and a thickness-direction retardation of at least 50 nm and not more than 150 nm. The second retardation layer has an in-plane retardation of at least 100 nm and not more than 150 nm, a thickness-direction retardation of equal to or greater than -150 nm and equal to or less than -50 nm, and an NZ coefficient NZ of more than -0.5 and not more than 0.0. The angle formed by the slow axis direction of the second retardation layer with the slow axis direction of the first retardation layer is not greater than 10°.

IPC Classes  ?

98.

POLYMERIZABLE MONOMER COMPOSITION FOR LIGHT DIFFUSION FILM, LIGHT DIFFUSION FILM, AND METHOD FOR PRODUCING SAME

      
Application Number JP2025017642
Publication Number 2025/249179
Status In Force
Filing Date 2025-05-15
Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor Katada, Arinobu

Abstract

Provided is a polymerizable monomer composition for a light diffusion film, which enables the production of a light diffusion film with improved crack resistance while maintaining excellent light diffusibility and light transmissivity, the composition containing fine particles and a polymerizable monomer for a binder. The iodine value of the fine particles is 35 g/100 g or more and 100 g/100g or less as measured in accordance with JIS K 0070. The polymerizable monomer for a binder contains a crosslinkable monomer that has a plurality of reactive unsaturated bonds in each molecule.

IPC Classes  ?

  • G02B 5/02 - Diffusing elementsAfocal elements
  • C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
  • 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
  • C08F 265/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of esters
  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
  • C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond

99.

SUNBATHING RECOMMENDATION TIME CALCULATION SYSTEM AND PROGRAM

      
Application Number JP2025019734
Publication Number 2025/249573
Status In Force
Filing Date 2025-05-30
Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor
  • Kameyama Ryoji
  • Kojima Kiyoshige

Abstract

A sunbathing recommendation time calculation system according to the present invention comprises a power generation device and an information processing device. The power generation device comprises: an environmental power generation unit that outputs a power generation current corresponding to the amount of solar radiation of sunlight received; and a first control unit that transmits information on the power generation current to the information processing device. The information processing device is provided with a second control unit that calculates a target time of sunbathing and an upper limit time of sunbathing on the basis of the information on the power generation current.

IPC Classes  ?

100.

BINDER COMPOSITION FOR ELECTROCHEMICAL DEVICE, CONDUCTIVE MATERIAL DISPERSION LIQUID FOR ELECTROCHEMICAL DEVICE, SLURRY FOR ELECTROCHEMICAL DEVICE ELECTRODE, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE

      
Application Number 18874752
Status Pending
Filing Date 2023-06-16
First Publication Date 2025-12-04
Owner ZEON CORPORATION (Japan)
Inventor Nakai, Akito

Abstract

A binder composition for an electrochemical device contains a polymer including a nitrile group-containing monomer unit, an alkylene structural unit, and a hydrophilic group-containing monomer unit, N-methyl-2-pyrrolidone, and triphenylphosphine sulfide. Content of the triphenylphosphine sulfide is not less than 2 mass ppm and not more than 100 mass ppm relative to content of the polymer. A relationship formula: 0.004(%)≤{(a)/(b)}×100(%)≤0.150(%) is satisfied when content of the triphenylphosphine sulfide relative to content of the polymer is taken to be (a) and content of the hydrophilic group-containing monomer unit relative to content of the polymer is taken to be (b).

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • 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
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