Denka Company Limited

Japan

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[Owner] Denka Company Limited 2,561
Denka Seiken Co., Ltd. 87
Icon Genetics GmbH 46
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2025 July (MTD) 16
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IPC Class
H01L 33/50 - Wavelength conversion elements 178
C08L 101/00 - Compositions of unspecified macromolecular compounds 141
G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals 135
C01B 21/064 - Binary compounds of nitrogen with metals, with silicon, or with boron with boron 114
H01L 23/373 - Cooling facilitated by selection of materials for the device 110
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NICE Class
01 - Chemical and biological materials for industrial, scientific and agricultural use 97
17 - Rubber and plastic; packing and insulating materials 58
09 - Scientific and electric apparatus and instruments 31
19 - Non-metallic building materials 22
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1.

PORE IMPROVING AGENT AND SKIN IMPROVING AGENT

      
Application Number 18852414
Status Pending
Filing Date 2023-06-17
First Publication Date 2025-07-03
Owner Denka Company Limited (Japan)
Inventor Ochi, Takao

Abstract

Provided is a pore improving agent comprising a composition containing a lipid membrane structure formed from a phospholipid having an acid value of 5 mg KOH/g or more. Also provided is a skin improving agent comprising a composition containing a lipid membrane structure formed from a phospholipid having an acid value of 5 mg KOH/g or more.

IPC Classes  ?

  • A61K 8/55 - Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing phosphorus
  • A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K 9/107 - Emulsions
  • A61K 31/685 - Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols one of the hydroxy compounds having nitrogen atoms, e.g. phosphatidylserine, lecithin
  • A61P 17/10 - Anti-acne agents
  • A61Q 19/08 - Anti-ageing preparations

2.

EMITTER AND DEVICE COMPRISING SAME

      
Application Number 18851047
Status Pending
Filing Date 2023-03-20
First Publication Date 2025-07-03
Owner Denka Company Limited (Japan)
Inventor Ishikawa, Daisuke

Abstract

An emitter includes: an insulator; a pair of conductive terminals attached to the insulator and spaced apart from each other; a heater disposed between tips of the pair of conductive terminals and generating heat when energized; an electron source heated by the heater and made of a first material emitting electrons; a Wehnelt electrode having an inner surface forming an internal space apart with a surface of the insulator, and applying a bias voltage across the Wehnelt electrode and the electron source; and a shielding member covering a part of the surface of the insulator in the internal space.

IPC Classes  ?

  • H01J 1/90 - Insulation between electrodes or supports within the vacuum space
  • H01J 1/22 - Heaters

3.

EXPANDABLE COMPOSITION AND EXPANDABLE ADMIXTURE

      
Application Number JP2024043597
Publication Number 2025/142452
Status In Force
Filing Date 2024-12-10
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Maeda, Takumi
  • Higuchi, Takayuki

Abstract

The purpose of the present invention is to provide: an expandable composition which has a satisfactory expansion rate and can improve bending strength; and an expandable admixture. This expandable composition contains free lime crystal particles having an average crystal particle diameter of 1-30 μm. The content of the free lime crystal particles is preferably 15 mass% or more. Furthermore, the expandable composition preferably comprises the free lime crystal particles and heterophases present between the free lime crystal particles. The heterophases preferably include one or more types selected from the group consisting of ternesite, gehlenite, gypsum, ye'elimite and calcium silicate. In addition, the expandable admixture contains anhydrous gypsum and the expandable composition.

IPC Classes  ?

  • C04B 22/06 - OxidesHydroxides
  • C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides

4.

ADDITIVE MANUFACTURED ARTICLE AND METHOD FOR PRODUCING ADDITIVE MANUFACTURED ARTICLE

      
Application Number JP2024046324
Publication Number 2025/143189
Status In Force
Filing Date 2024-12-27
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kimura, Akiyoshi

Abstract

Provided are: an additive manufactured article in which warping and surface unevenness are suppressed even if a resin with a certain water absorption rate or higher is used; and a method for producing the additive manufactured article. The additive manufactured article has a resin composition that includes a resin (A) with a saturated water absorption rate of at least 0.2% as measured in compliance with ASTM D570, and plate-shaped particles (B); the content of the plate-shaped particles (B) in the resin composition is 7–40% by mass; the mean grain diameter (D50) of the plate-shaped particles is at least 2 μm; and the surface arithmetic mean height of the layered molded article is less than 100 μm. The method for manufacturing an additive manufactured article includes additive manufacturing with a resin composition that includes a resin (A) with a saturated water absorption rate of at least 0.2% as measured in compliance with ASTM D570, and plate-shaped particles (B), where the content of the plate-shaped particle (B) is 7–40% by mass, while keeping the water absorption rate of the resin composition below 0.2%.

IPC Classes  ?

  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • C08K 3/34 - Silicon-containing compounds
  • C08K 5/5415 - Silicon-containing compounds containing oxygen containing at least one Si—O bond
  • C08K 7/00 - Use of ingredients characterised by shape
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

5.

RECOMBINANT VECTOR FOR USE IN PRODUCTION OF TARGET SEQUENCE HAVING POLYMORPHIC NUCLEOTIDE INCORPORATED THEREIN

      
Application Number JP2024046377
Publication Number 2025/143215
Status In Force
Filing Date 2024-12-27
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kubo Hiroshi

Abstract

The present invention provides a recombinant vector for use in the production of a target sequence having a polymorphic nucleotide incorporated therein. The recombinant vector has a nucleotide sequence in which a first restriction enzyme recognition sequence, a second restriction enzyme recognition sequence, and another first restriction enzyme recognition sequence are arranged, in this order, corresponding to a region that includes the polymorphic nucleotide in the target sequence and 5'-side and 3'-side flanking sequences of the polymorphic nucleotide, and the sequences complementary thereto. The two first restriction enzyme recognition sequences are arranged such that two first restriction enzyme cleavage sites are present on the side opposite to the second restriction enzyme recognition sequence. The first restriction enzyme recognition sequence is an IIS-type restriction enzyme recognition sequence. The second restriction enzyme recognition sequence is different from the first restriction enzyme recognition sequence.

IPC Classes  ?

  • C12N 15/63 - Introduction of foreign genetic material using vectorsVectorsUse of hosts thereforRegulation of expression
  • C12N 15/12 - Genes encoding animal proteins
  • C12N 15/66 - General methods for inserting a gene into a vector to form a recombinant vector using cleavage and ligationUse of non-functional linkers or adaptors, e.g. linkers containing the sequence for a restriction endonuclease
  • C12Q 1/6811 - Selection methods for production or design of target specific oligonucleotides or binding molecules
  • C12Q 1/6827 - Hybridisation assays for detection of mutation or polymorphism

6.

METHOD FOR PRODUCING GENOMIC DNA AS REFERENCE SUBSTANCE FOR CALIBRATION USED IN ANALYSIS OF MUTATION, AND METHOD FOR ANALYZING GENOMIC DNA, CELL, AND TARGET SEQUENCE MUTATION

      
Application Number JP2024046387
Publication Number 2025/143218
Status In Force
Filing Date 2024-12-27
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kubo Hiroshi

Abstract

This method for producing genomic DNA as a reference substance for calibration used in analysis of mutation of a target sequence involves a step for introducing a mutated target sequence and an internal reference sequence into genomic DNA.

IPC Classes  ?

  • C12Q 1/686 - Polymerase chain reaction [PCR]
  • C12N 1/15 - Fungi Culture media therefor modified by introduction of foreign genetic material
  • C12N 1/19 - YeastsCulture media therefor modified by introduction of foreign genetic material
  • C12N 1/21 - BacteriaCulture media therefor modified by introduction of foreign genetic material
  • C12N 5/10 - Cells modified by introduction of foreign genetic material, e.g. virus-transformed cells
  • C12N 15/10 - Processes for the isolation, preparation or purification of DNA or RNA
  • C12N 15/12 - Genes encoding animal proteins
  • C12N 15/54 - Transferases (2)
  • C12N 15/63 - Introduction of foreign genetic material using vectorsVectorsUse of hosts thereforRegulation of expression
  • C12Q 1/6883 - Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
  • G01N 33/53 - ImmunoassayBiospecific binding assayMaterials therefor

7.

FIRE SPREAD PREVENTION MATERIAL, BATTERY PACK, AND AUTOMOBILE

      
Application Number JP2024042791
Publication Number 2025/142352
Status In Force
Filing Date 2024-12-04
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Uchida, Hikaru
  • Ito, Hiroki

Abstract

[Problem] To provide a fire spread prevention material capable of sufficient fire spread prevention, a battery pack utilizing said fire spread prevention material, and an automobile comprising said battery pack. [Solution] One aspect of the present invention provides such a fire spread prevention material. The fire spread prevention material comprises an inorganic-fiber base material which includes inorganic fibers, and sodium silicate which is held on the inorganic-fiber base material. Provided that the average temperature rise rate from 100°C to 200°C when the fire spread prevention material is heated is V [°C/sec], and the thickness of the fire spread prevention material after exceeding 200°C is Da [mm], V × Da is 20 or less.

IPC Classes  ?

  • H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
  • H01M 10/6555 - Rods or plates arranged between the cells
  • H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
  • H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains

8.

AMMONIA-GENERATING AGENT AND METHOD FOR PRODUCING AMMONIA-GENERATING AGENT

      
Application Number JP2024039957
Publication Number 2025/142156
Status In Force
Filing Date 2024-11-11
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Miyata, Kenji
  • Ito, Kazuhiro

Abstract

[Problem] To provide an ammonia-generating agent with which it is possible to stably generate ammonia and a method for producing an ammonia-generating agent. [Solution] Provided according to one embodiment of the present invention is an ammonia-generating agent that generates ammonia by contact with water molecules. The ammonia-generating agent contains boron nitride having a crystallinity of 90% or less.

IPC Classes  ?

  • C01B 21/064 - Binary compounds of nitrogen with metals, with silicon, or with boron with boron
  • C01B 21/068 - Binary compounds of nitrogen with metals, with silicon, or with boron with silicon

9.

RESIN COMPOSITION CONTAINING COPOLYMER, METHOD FOR PRODUCING SAME AND MOLDED BODY OF SAME

      
Application Number 18847962
Status Pending
Filing Date 2023-03-28
First Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Sun, Yushun
  • Watanabe, Wataru

Abstract

A resin composition containing a copolymer containing a styrene-based monomer unit and a (meth)acrylic acid ester-based monomer unit, wherein a total content of an unreacted monomer is 2000 ppm or less, a sulfur content is more than 0 mass ppm and 150 mass ppm or less, and a yellowness index of a 2 mm thick injection molded plate is 0.6 or less.

IPC Classes  ?

  • C08F 220/14 - Methyl esters
  • B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
  • C08F 2/00 - Processes of polymerisation
  • C08F 2/01 - Processes of polymerisation characterised by special features of the polymerisation apparatus used
  • C08F 2/04 - Polymerisation in solution
  • C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
  • C08F 6/00 - Post-polymerisation treatments
  • C08F 212/08 - Styrene
  • C08K 5/14 - Peroxides

10.

COMPOSITION FOR TEMPORARY FIXATION

      
Application Number 18850035
Status Pending
Filing Date 2023-01-19
First Publication Date 2025-07-03
Owner Denka Company Limited (Japan)
Inventor
  • Hoshino Tanigawa, Takako
  • Baba, Takumi
  • Yamamoto, Shota
  • Sekiya Aoyama, Ruriko
  • Hamaguchi Uchida, Tometomo
  • Yoshida, Jun

Abstract

A composition for temporary bonding, comprising the following (A) to (C), and having a viscosity ranging from 500 to 10,000 mPa·s at atmospheric pressure at 23° C. and a shear rate at 1 s−1 as measured by a rotatory rheometer: (A) a monofunctional (meth)acrylate having a surface tension ranging from 20 to 30 mN/m as measured by ds/de method of pendant drop method at 23° C.; (B) a polyfunctional (meth)acrylate, which has a viscosity of 1,000 mPa·s or more at atmospheric pressure at 23° C. and a shear rate at 1 s−1 as measured by a rotatory rheometer, is solid at 23° C., or has a molecular weight of 500 or more and a viscosity of 100 mPa·s or more and less than 1,000 mPa·s at atmospheric pressure at 23° C. and a shear rate at 1 s−1 as measured by a rotatory rheometer; and (C) a photo radical polymerization initiator.

IPC Classes  ?

  • C09J 133/04 - Homopolymers or copolymers of esters
  • C09J 11/06 - Non-macromolecular additives organic
  • H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping

11.

POSITIVE ELECTRODE COMPOSITION AND PRODUCTION METHOD FOR SAME, POSITIVE ELECTRODE AND PRODUCTION METHOD FOR SAME, AND BATTERY

      
Application Number 18848068
Status Pending
Filing Date 2023-01-17
First Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nagai, Tatsuya
  • Matsui, Mizuki
  • Ito, Tetsuya

Abstract

A positive electrode composition containing a conductive material, an active material, a binding material, a dispersing agent for a conductive material, and a liquid medium, wherein the conductive material includes carbon black and carbon nanotubes, wherein the dispersing agent for a conductive material includes two or more dispersing agents having different SP values, and wherein the carbon black has a BET specific surface area of 100 to 500 m2/g.

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 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

12.

BORON NITRIDE POWDER, RESIN COMPOSITION, AND METHOD FOR PRODUCING BORON NITRIDE POWDER

      
Application Number 18850543
Status Pending
Filing Date 2023-03-28
First Publication Date 2025-07-03
Owner Denka Company Limited (Japan)
Inventor
  • Takeda, Go
  • Tanaka, Rei

Abstract

A boron nitride powder that includes agglomerated particles formed by agglomeration of primary particles of boron nitride, where a graphitization index is 2.0 or less, a boron oxide content is 0.1% by mass or less, and a boron oxide content after a heat cycle test is 0.2% by mass or less.

IPC Classes  ?

  • C08K 3/38 - Boron-containing compounds
  • C01B 21/064 - Binary compounds of nitrogen with metals, with silicon, or with boron with boron

13.

FIBER FOR ARTIFICIAL HAIR, HAIR ORNAMENT, AND METHOD FOR PRODUCING FIBER FOR ARTIFICIAL HAIR

      
Application Number JP2024045003
Publication Number 2025/142737
Status In Force
Filing Date 2024-12-19
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Muraoka, Takashi
  • Inoue, Yuki

Abstract

The present invention provides a fiber for artificial hair excellent in texture and lightweight feeling after hot water treatment. According to the present invention, a fiber for artificial hair is provided. The fiber for artificial hair includes a hollow part extending in the longitudinal direction of the fiber for artificial hair. When fiber for artificial hair is heat-treated at 120°C for 5 minutes to obtain a fiber for artificial hair after 120°C heat treatment, and the fiber for artificial hair after 120°C heat treatment is further immersed in water at 90°C for 30 seconds and then dried to obtain a fiber for artificial hair after 90°C hot water treatment, the color difference ΔE * of the fiber for artificial hair after 90°C hot water treatment is 5 or less.

IPC Classes  ?

  • A41G 3/00 - Wigs
  • D01F 6/00 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof
  • D01F 6/10 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polyvinyl chloride or polyvinylidene chloride
  • D06M 13/17 - Polyoxyalkyleneglycol ethers
  • D06M 13/188 - Monocarboxylic acidsAnhydrides, halides or salts thereof
  • D06M 15/53 - Polyethers
  • D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain

14.

RESIN COMPOSITION AND LAMINATED MOLDED ARTICLE

      
Application Number JP2024046323
Publication Number 2025/143188
Status In Force
Filing Date 2024-12-27
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kimura, Akiyoshi

Abstract

Provided is a resin composition capable of producing a laminated molded article in which warpage and surface unevenness are suppressed even when a resin having a water absorption rate of a certain level or higher is used. This resin composition comprises a resin (A) having a saturated water absorption rate of 0.2% or more as measured in accordance with ASTM D570, and plate-shaped particles (B), wherein the content of the plate-shaped particles (B) is 7-40 mass%, and the average particle diameter (D50) of the plate-shaped particles is less than 2 μm.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/307 - Handling of material to be used in additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08K 3/34 - Silicon-containing compounds
  • C08K 7/00 - Use of ingredients characterised by shape
  • C08L 55/02 - ABS [Acrylonitrile-Butadiene-Styrene] polymers
  • C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers

15.

AGENT CONTAINING POLYPEPTIDE COMPRISING AMINO ACID SEQUENCE CORRESPONDING TO HLA-DR-BINDING EPITOPE OF ACHR

      
Application Number JP2024046203
Publication Number 2025/143139
Status In Force
Filing Date 2024-12-26
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Fujimori Satoshi
  • Fukushima Naoshi
  • Kubo Hiroshi
  • Miyashita Yohei
  • Okada Hiromasa
  • Onozuka Wataru
  • Nishio Marie

Abstract

Disclosed is an activator for regulatory T cells, an inhibitor of the activity of effector T cells, an inhibitor of the activation of B cells, an agent for suppressing humoral immunity, or a therapeutic agent or a prophylactic agent for an autoimmune disease, which contains a polypeptide comprising an amino acid sequence corresponding to an HLA-DR-binding epitope of an AChR.

IPC Classes  ?

  • A61K 38/10 - Peptides having 12 to 20 amino acids
  • A61K 49/00 - Preparations for testing in vivo
  • A61P 21/04 - Drugs for disorders of the muscular or neuromuscular system for myasthenia gravis
  • A61P 37/02 - Immunomodulators
  • A61P 37/06 - Immunosuppressants, e.g. drugs for graft rejection
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C07K 14/705 - ReceptorsCell surface antigensCell surface determinants
  • C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor

16.

ORGANIC CALCIUM ACID, ADDITIVE COMPOSITION, AND CEMENT COMPOSITION

      
Application Number JP2024042734
Publication Number 2025/142342
Status In Force
Filing Date 2024-12-03
Publication Date 2025-07-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Tanakadate, Yuto
  • Saito, Takumi
  • Aizawa, Kazuhiro
  • Higuchi, Takayuki

Abstract

The purpose of the present invention is to provide an organic calcium acid that, when used with an amorphous aluminosilicate powder, is capable of improving initial strength and long-term strength. The organic calcium acid is used with a curable composition containing amorphous aluminosilicate powder having a BET specific surface area of 1.0 m2/g or greater. The amorphous aluminosilicate preferably contains at least one of metakaolin and allophane.

IPC Classes  ?

17.

Eu-ACTIVATED BETA-SIALON PHOSPHOR PARTICLES, BETA-SIALON PHOSPHOR POWDER, AND LIGHT-EMITTING DEVICE

      
Application Number 18844036
Status Pending
Filing Date 2023-03-01
First Publication Date 2025-06-26
Owner Denka Company Limited (Japan)
Inventor
  • Kobayashi, Keita
  • Nomiyama, Tomohiro
  • Miyazaki, Tomonari
  • Sakai, Noriyoshi

Abstract

Eu-activated β-sialon phosphor particles having a grain boundary. In a cross-section of the particles including the grain boundary, when line analysis is linearly performed on elemental compositions of the grain boundary and both sides of the grain boundary in a direction perpendicular to the grain boundary at a depth of 200 nm from a portion of surfaces of the particles where the grain boundary is present, on a line segment on which the line analysis is performed, a value of NEu/N′Eu is less than or equal to 3.00, where (i) NEu represents an Eu content at a point P of the grain boundary having a peak of the Eu content and (ii) N′Eu represents an Eu content at a point Q at a distance of 50 nm from the point P.

IPC Classes  ?

  • C09K 11/77 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals
  • H10H 20/851 - Wavelength conversion means

18.

COMPOSITION FOR TEMPORARY FIXATION

      
Application Number 18850040
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-06-26
Owner Denka Company Limited (Japan)
Inventor
  • Yamamoto, Shota
  • Hoshino Tanigawa, Takako
  • Baba, Takumi
  • Hamaguchi Uchida, Tometomo
  • Yoshida, Jun

Abstract

A composition for temporary bonding, comprising: (A) a bifunctional (meth)acrylate having a cyclic structure; and (B) a photo radical polymerization initiator, wherein a cured body of the composition has a storage modulus at 23° C. of 0.66 GPa or less, and wherein the cured body is prepared by sandwiching the composition for temporary bonding between PET films, pressing out the composition to make a thickness down to 50 μm, and curing the composition in a condition of an integrated light intensity of 5,000 mJ/cm2 using UV-LED (central wavelength 405 nm, intensity 100 mW/cm2).

IPC Classes  ?

  • C09J 135/02 - Homopolymers or copolymers of esters
  • 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
  • C08F 222/20 - Esters containing oxygen in addition to the carboxy oxygen
  • C08F 290/04 - Polymers provided for in subclasses or
  • 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
  • C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
  • H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping

19.

CHLOROPRENE POLYMER LATEX COMPOSITION, DIP-MOLDED ARTICLE FORMATION COMPOSITION, AND DIP-MOLDED ARTICLE

      
Application Number JP2024044474
Publication Number 2025/134996
Status In Force
Filing Date 2024-12-16
Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kumagai, Yushi

Abstract

Provided is a chloroprene polymer composition that makes it possible to produce a dip-molded article formation composition that has high mechanical stability and produces few aggregates when shearing force has been applied. The present invention provides a chloroprene polymer latex composition that includes a chloroprene polymer and a C7–10 aromatic compound, the total C7–10 aromatic compound content being 0.00001–0.00290 parts by mass per 100 parts by mass of the solid content of the chloroprene polymer latex composition.

IPC Classes  ?

  • C08L 11/02 - Latex
  • C08F 36/18 - 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 only two carbon-to-carbon double bonds conjugated containing elements other than carbon and hydrogen containing halogen containing chlorine
  • C08K 5/01 - Hydrocarbons

20.

METHOD FOR MEASURING TARGET ANTIGEN, AND ANTIBODY, INSOLUBLE PARTICLES AND TARGET ANTIGEN MEASUREMENT KIT USED IN SAID METHOD

      
Application Number JP2024044806
Publication Number 2025/135074
Status In Force
Filing Date 2024-12-18
Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Yoshizaki Kyohei
  • Ikenaga Yasuyuki
  • Honda Takumi

Abstract

Provided is an IgG antibody having a Fab region and an Fc region connected to the Fab region, wherein four or more N-type sugar chains are bound to the Fc region (excluding a human IgG).

IPC Classes  ?

  • G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
  • C07K 16/00 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies
  • C07K 16/46 - Hybrid immunoglobulins
  • C07K 17/08 - Peptides being immobilised on, or in, an organic carrier the carrier being a synthetic polymer
  • G01N 33/531 - Production of immunochemical test materials

21.

AGENT FOR IMPROVING AGGLUTINATION REACTION, METHOD FOR IMPROVING TARGET ANTIGEN MEASUREMENT METHOD, AND REAGENT FOR MEASURING HUMAN BRAIN NATRIURETIC PEPTIDE

      
Application Number JP2024045033
Publication Number 2025/135129
Status In Force
Filing Date 2024-12-19
Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ikenaga Yasuyuki
  • Kajiwara Keigo
  • Wakabayashi Yuki
  • Yoshizaki Kyohei

Abstract

Provided is an agent for improving agglutination reaction comprising a copolymer containing 2-methacryloyloxyethyl phosphorylcholine as a monomer unit, wherein the agglutination reaction is an agglutination reaction of insoluble particles having a granular carrier and an antibody against a target antigen carried on the granular carrier, and the target antigen, and the improvement agent is used for suppressing deviation of reactivity of the agglutination reaction in a system including no blood sample and a system including a blood sample.

IPC Classes  ?

  • G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals

22.

MAGNESIUM OXIDE POWDER, METHOD FOR PRODUCING SAME, MIXED POWDER, AND RESIN COMPOSITION

      
Application Number JP2024045085
Publication Number 2025/135142
Status In Force
Filing Date 2024-12-20
Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Tsuneyoshi, Toshihiko
  • Fukazawa, Motoharu
  • Okabe, Takuto

Abstract

Provided are a magnesium oxide powder capable of achieving both low viscosity and high thermal conductivity when filled into a resin, a method for producing the same, a mixed powder containing the magnesium oxide powder, and a resin composition containing the magnesium oxide powder. The magnesium oxide powder contains a particle group in which the ratio (R) of the total area (B) of open pores present in all particles to the total area (A) of all the particles present in an observation image is 9.0% or less when the magnesium oxide powder is observed by a scanning electron microscope under a specific condition.

IPC Classes  ?

  • C01F 5/08 - Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 3/22 - OxidesHydroxides of metals
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

23.

CONDUCTIVE RESIN COMPOSITION-METAL LAMINATE

      
Application Number 18850780
Status Pending
Filing Date 2023-03-01
First Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor Fukuda, Yuko

Abstract

A conductive resin composition-metal laminate includes: a substrate layer formed from a conductive resin composition containing a styrene-based thermoplastic elastomer; and a metal layer laminated on one surface of the substrate layer via an adhesive agent layer, and an organ model including the same. The conductive resin composition-metal laminate and an organ model onto which a counter electrode plate can be attached at a certain strength or greater and can be used in medical technique practice using an energy device.

IPC Classes  ?

  • G09B 23/28 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for medicine
  • B32B 15/082 - 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 vinyl resinsLayered 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 acrylic resins

24.

COMPOSITION

      
Application Number 18852183
Status Pending
Filing Date 2023-03-28
First Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Kanto, Ryosuke
  • Onuki, Suguru
  • Ishigaki, Yuhei
  • Yoshida, Jun

Abstract

To achieve both excellent dielectric properties and long-term durability. A composition comprising (A) a curable hydrocarbon-based resin, (B) a phenolic antioxidant, (C) a thioether-based antioxidant, and (D) a phosphorus-based antioxidant, wherein a total amount of substance of the components (B), (C), and (D) is within a range of 2 to 10 mmol, based on 100 g of the mass of the component (A) in the composition.

IPC Classes  ?

25.

CHLOROPRENE-BASED POLYMER LATEX COMPOSITION AND ADHESIVE COMPOSITION

      
Application Number JP2024044476
Publication Number 2025/134997
Status In Force
Filing Date 2024-12-16
Publication Date 2025-06-26
Owner DENKA COMPANY LIMITED (Japan)
Inventor Sotokawa, Shota

Abstract

Provided are: a chloroprene-based polymer latex composition with which it is possible to obtain an adhesive composition having an excellent initial adhesive strength; and an adhesive composition containing the chloroprene-based polymer latex composition. According to the present invention, there is provided a chloroprene-based polymer latex composition containing a chloroprene-based polymer and a C7-10 aromatic compound, wherein the total content of the C7-10 aromatic compound in the chloroprene-based polymer latex composition is 0.0001-0.0100 parts by mass per 100 parts by mass of a solid content in the chloroprene-based polymer latex composition.

IPC Classes  ?

26.

Ce-ACTIVATED α-SIALON PHOSPHOR AND METHOD FOR PRODUCING SAME

      
Application Number JP2024043112
Publication Number 2025/126955
Status In Force
Filing Date 2024-12-05
Publication Date 2025-06-19
Owner DENKA COMPANY LIMITED (Japan)
Inventor Emoto Hideyuki

Abstract

A Ce-activated α-sialon phosphor which has an emission peak within the wavelength range of 470-525 nm in an emission spectrum at the time when excited with light having a wavelength of 405 nm, wherein the diffuse reflectance with respect to light having the wavelength at which the emission peak is positioned is 86.5% or more.

IPC Classes  ?

  • C09K 11/64 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing aluminium
  • C09K 11/08 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials
  • C09K 11/80 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing aluminium or gallium

27.

VIRUS-LIKE PARTICLE CONTAINING CAPSID PROTEINS CONNECTED BY LINKER

      
Application Number 18848013
Status Pending
Filing Date 2023-02-08
First Publication Date 2025-06-19
Owner Denka Company Limited (Japan)
Inventor
  • Inomata, Aoto
  • Miki, Motohiro

Abstract

The present invention aims to provide a VLP that can have multivalent antigenicity and has two capsid proteins present in equal proportions. A virus-like particle, including an assembly of dimers of a first capsid protein and a second capsid protein, wherein the first capsid protein and the second capsid protein are connected to each other by a linker.

IPC Classes  ?

  • C07K 14/005 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from viruses
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61K 39/12 - Viral antigens
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof

28.

RUBBER COMPOSITION, CROSSLINKED PRODUCT THEREOF, AND METHOD FOR PRODUCING ACRYLIC RUBBER

      
Application Number JP2024043880
Publication Number 2025/127076
Status In Force
Filing Date 2024-12-11
Publication Date 2025-06-19
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Masuko Kazunori
  • Miyauchi Toshiaki

Abstract

The rubber composition contains an acrylic rubber and a nonionic emulsifier, wherein more than 0 mass% and not more than 80 mass% of the total mass of the nonionic emulsifier is fixed to the acrylic rubber.

IPC Classes  ?

  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08F 2/30 - Emulsion polymerisation with the aid of emulsifying agents non-ionic
  • C08F 20/10 - Esters

29.

CARBON BLACK, AND METHOD FOR ASSESSING OR SELECTING CARBON BLACK

      
Application Number JP2024042027
Publication Number 2025/121225
Status In Force
Filing Date 2024-11-27
Publication Date 2025-06-12
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ichikawa Joichiro
  • Shimizu Satoru
  • Hatano Hiroka
  • Osumi Shinichiro
  • Fukazawa Motoharu

Abstract

This carbon black includes a plurality of aggregated particles each formed through aggregation of a plurality of primary particles. When the plurality of aggregated particles are classified using an X-value, a Y-value, and a Z-value, the proportion of fourth aggregated particles having an X-value of 0.588 or more, a Y-value of less than 0.833, and a Z-value of less than 0.77 is 41% or more. (i): X=a/b (ii): Y=4πA/P2(iii): Z=A/Ac [In the formulae, a (µm) represents the minimum Feret diameter, b (µm) represents the maximum Feret diameter, A (µm2) represents the projection area, P (µm) represents the perimeter length, and Ac (µm2) represents an envelope internal area in a binary image for measurement in an image processing system.]

IPC Classes  ?

  • C09C 1/48 - Carbon black
  • 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

30.

ROAD-LIGHTING DEVICE

      
Application Number JP2024042889
Publication Number 2025/121352
Status In Force
Filing Date 2024-12-04
Publication Date 2025-06-12
Owner DENKA COMPANY LIMITED (Japan)
Inventor Konishi Masahiro

Abstract

Provided is a road-lighting device comprising a light-emitting module (12) and two or more light distribution adjustment units (14), wherein the two or more light distribution adjustment units (14) are positioned so as not to overlap when viewed from a direction perpendicular to the light-emitting module (12).

IPC Classes  ?

  • F21S 8/08 - Lighting devices intended for fixed installation with a standard
  • F21V 5/04 - Refractors for light sources of lens shape
  • F21Y 115/10 - Light-emitting diodes [LED]

31.

LIGHTING DEVICE

      
Application Number JP2024042896
Publication Number 2025/121355
Status In Force
Filing Date 2024-12-04
Publication Date 2025-06-12
Owner DENKA COMPANY LIMITED (Japan)
Inventor Konishi Masahiro

Abstract

A lighting device comprises: a light source unit having a light-emitting module and a terminal (18a) electrically connected to the light-emitting module; a socket (200) that is connected to the terminal (18a) and receives the terminal; and a vibration-damping member (300) that covers the terminal (18a) and the socket (200). The light source unit has, on a region between the terminal (18a) and the light-emitting module or on the terminal (18a), an enlarged-diameter part (18b) that increases in diameter 《MK1》toward the light-emitting module《/MK1》. The vibration-damping member (300) covers at least a part of the enlarged-diameter part (18b).

IPC Classes  ?

  • F21S 8/08 - Lighting devices intended for fixed installation with a standard
  • F21K 9/00 - Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
  • F21K 9/235 - Details of bases or caps, i.e. the parts that connect the light source to a fittingArrangement of components within bases or caps
  • F21V 21/00 - Supporting, suspending, or attaching arrangements for lighting devicesHand grips
  • F21V 29/67 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
  • F21W 131/103 - Outdoor lighting of streets or roads
  • F21Y 115/10 - Light-emitting diodes [LED]

32.

ILLUMINATION DEVICE FOR GROWING PLANT

      
Application Number JP2024042980
Publication Number 2025/121369
Status In Force
Filing Date 2024-12-05
Publication Date 2025-06-12
Owner DENKA COMPANY LIMITED (Japan)
Inventor Konishi Masahiro

Abstract

This illumination device for growing a plant comprises: a phosphor substrate (20) including a phosphor layer (21); and a plurality of light-emitting elements (30) mounted on one surface of the phosphor substrate (20). The illumination device emits: light emitted by the light-emitting elements (30); and light emitted by the phosphor layer (21) in response to the light emitted by the light-emitting elements (30) as excitation light.

IPC Classes  ?

  • F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
  • A01G 7/00 - Botany in general
  • F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
  • F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
  • H10H 20/00 - Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
  • H10H 20/851 - Wavelength conversion means
  • F21Y 103/00 - Elongate light sources, e.g. fluorescent tubes
  • F21Y 115/10 - Light-emitting diodes [LED]

33.

HIGH-EARLY-STRENGTH MATERIAL, HIGH-EARLY-STRENGTH CEMENT COMPOSITION, HIGH-EARLY-STRENGTH MORTAR, HIGH-EARLY-STRENGTH CONCRETE, HIGH-EARLY-STRENGTH MORTAR CURED PRODUCT, HIGH-EARLY-STRENGTH CONCRETE CURED PRODUCT

      
Application Number JP2024039405
Publication Number 2025/115541
Status In Force
Filing Date 2024-11-06
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Tanakadate, Yuto
  • Aizawa, Kazuhiro
  • Higuchi, Takayuki

Abstract

The present invention provides a high-early-strength material comprising a calcium formate-based powder in which the particle size (D90) at which cumulation reaches 90% is not more than 1,200 μm in a volume-based cumulative particle size distribution measured by a laser diffraction scattering method.

IPC Classes  ?

  • C04B 24/04 - Carboxylic acidsSalts, anhydrides or esters thereof
  • C04B 14/10 - Clay
  • C04B 14/16 - Minerals of vulcanic origin porous, e.g. pumice
  • C04B 18/08 - Flue dust
  • C04B 18/14 - Waste materialsRefuse from metallurgical processes
  • C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
  • C04B 40/02 - Selection of the hardening environment
  • C04B 103/14 - Hardening accelerators

34.

FIBER BUNDLE FOR ARTIFICIAL HAIR AND HAIR ACCESSORY PRODUCT

      
Application Number JP2024041655
Publication Number 2025/115809
Status In Force
Filing Date 2024-11-25
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor Sakamoto Tsuda Shiori

Abstract

The problem addressed by the present invention is to provide a fiber bundle for artificial hair with which an appropriate degree of non-slipperiness and combability can both be achieved. One embodiment of the present invention is a fiber bundle for artificial hair, the fiber bundle including at least two or more types of fibers for artificial hair in which different surface treatment compositions are attached to synthetic fibers. The coefficient of dynamic friction of the fiber bundle for artificial hair is 0.23-0.26.

IPC Classes  ?

  • A41G 3/00 - Wigs
  • D06M 13/17 - Polyoxyalkyleneglycol ethers
  • D06M 13/224 - Esters of carboxylic acidsEsters of carbonic acid
  • D06M 15/347 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated ethers, acetals, hemiacetals, ketones or aldehydes

35.

METHOD FOR PRODUCING THERMOPHILIC BACTERIUM-DERIVED PROTEIN

      
Application Number JP2024041790
Publication Number 2025/115846
Status In Force
Filing Date 2024-11-26
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor Kubo Hiroshi

Abstract

The present invention provides a method for producing a thermophilic bacterium-derived protein, the method comprising a step in which a host that expresses a thermophilic bacterium-derived protein and in which a cell wall has been destroyed is heated at a temperature below 64°C and at which the host cell-derived protein is denatured.

IPC Classes  ?

  • C12N 9/10 - Transferases (2.)
  • C12N 15/52 - Genes encoding for enzymes or proenzymes
  • C12N 15/54 - Transferases (2)
  • C12P 21/02 - Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione

36.

CHLOROPRENE-BASED BLOCK COPOLYMER LATEX COMPOSITION, COMPOSITION FOR FORMING DIP-MOLDED BODY, DIP-MOLDED BODY, AND COATING COMPOSITION

      
Application Number JP2024041127
Publication Number 2025/115724
Status In Force
Filing Date 2024-11-20
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Shimotomai, Ibuki
  • Kumagai, Yushi
  • Nishino, Wataru

Abstract

Provided is a chloroprene-based block copolymer latex composition which has high mechanical stability and which forms fewer aggregates when shear force is applied. In addition, when a composition for a specific purpose is prepared using the chloroprene-based block copolymer latex composition according to the present invention, a composition (for example, a composition for forming a dip-molded body or a coating composition) which has excellent mechanical stability and which forms fewer aggregates when shear force is applied can be obtained. The present invention provides a chloroprene-based block copolymer latex composition comprising a chloroprene-based block copolymer that includes a polymer block (A) and a chloroprene-based polymer block (B), wherein: the polymer block (A) includes a monomer unit derived from a monomer (A); the monomer (A) is a monomer from which a polymer having a glass transition temperature of 80°C or higher is obtained through homopolymerization; and the total content of aromatic compounds having 7-10 carbon atoms in the chloroprene-based block copolymer latex composition is 0.020-0.240 parts by mass with respect to 100 parts by mass of the solid content in the chloroprene-based block copolymer latex composition.

IPC Classes  ?

  • C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
  • B29C 41/14 - Dipping a core
  • C09D 5/02 - Emulsion paints
  • C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers

37.

INORGANIC POWDER

      
Application Number JP2024041566
Publication Number 2025/115794
Status In Force
Filing Date 2024-11-25
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Shiotsuki Hiroyuki
  • Karino Genta
  • Okabe Takuto
  • Nogami Naotsugu

Abstract

An inorganic powder according to the present invention contains spherical alumina powder and spherical silica powder. When the dielectric loss tangent at 1 GHz is taken to be D×10-4 and the thermal conductivity is taken to be T (W/m K) in the inorganic powder, D and T satisfy T≥0.14D+1.03.

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
  • C01F 7/02 - Aluminium oxideAluminium hydroxideAluminates
  • C08K 3/22 - OxidesHydroxides of metals
  • C08K 3/36 - Silica
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

38.

INORGANIC POWDER AND METHOD FOR PRODUCING INORGANIC POWDER

      
Application Number JP2024041579
Publication Number 2025/115797
Status In Force
Filing Date 2024-11-25
Publication Date 2025-06-05
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Shiotsuki Hiroyuki
  • Karino Genta
  • Okabe Takuto
  • Nogami Naotsugu

Abstract

An inorganic powder according to the present invention includes spherical alumina powder having an average particle size of from 20 μm to 50 μm and spherical silica powder having a dielectric loss tangent at 1 GHz of 2.0×10-3 or less and an average particle size of from 0.5 μm to 10 μm.

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
  • C01F 7/02 - Aluminium oxideAluminium hydroxideAluminates
  • C08K 3/22 - OxidesHydroxides of metals
  • C08K 3/36 - Silica
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

39.

BLOCK COPOLYMER-CONTAINING BLOCK COPOLYMER COMPOSITION, BLOCK COPOLYMER RESIN COMPOSITION, MOLDED ARTICLE, SHEET, AND FILM

      
Application Number 18836953
Status Pending
Filing Date 2023-01-19
First Publication Date 2025-05-29
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nakanishi, Soichiro
  • Nakamura, Yuya
  • Sawasato, Tadashi

Abstract

The present invention provides a block copolymer composition capable of preventing a decrease in transparency of a resin to be obtained while maintaining a property of imparting impact resistance, in which a vinyl aromatic hydrocarbon monomer unit and a conjugated diene monomer unit are contained in a mass ratio of 70/30 to 50/50, and an active oxirane oxygen concentration calculated from an epoxy equivalent measured in accordance with JIS K7236: 2001 is 0.05 mass % to 0.5 mass %. The present invention also provides a block copolymer resin composition containing the block copolymer composition, and a molded article, a sheet and a film molded from a molding material containing the block copolymer resin composition.

IPC Classes  ?

  • C08F 8/08 - Epoxidation
  • C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
  • C08J 5/18 - Manufacture of films or sheets
  • 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 67/06 - Unsaturated polyesters

40.

N-TYPE MATERIAL FOR THERMOELECTRIC CONVERSION, METHOD FOR PRODUCING SAME, DOPANT, AND THERMOELECTRIC CONVERSION ELEMENT

      
Application Number 18840818
Status Pending
Filing Date 2023-01-05
First Publication Date 2025-05-22
Owner Denka Company Limited (Japan)
Inventor
  • Niwa, Ryota
  • Asami, Takeshi
  • Maeda, Ryota

Abstract

An n-type material for thermoelectric conversion obtained by doping a p-type material for thermoelectric conversion with a dopant, the p-type material for thermoelectric conversion containing a carbon nanotube and a conductive resin, in which the dopant contains a complex ion containing a divalent iron ion, an alkali metal cation, a cation scavenger, and a reducing agent.

IPC Classes  ?

  • H10N 10/856 - Thermoelectric active materials comprising organic compositions
  • H10N 10/01 - Manufacture or treatment
  • H10N 10/10 - Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
  • H10N 10/855 - Thermoelectric active materials comprising inorganic compositions comprising compounds containing boron, carbon, oxygen or nitrogen

41.

THERMOPLASTIC RELEASE FILM FOR SEMICONDUCTOR SEALING PROCESS

      
Application Number JP2024039806
Publication Number 2025/105301
Status In Force
Filing Date 2024-11-08
Publication Date 2025-05-22
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Izumi Eiji
  • Kobayashi Hirotaka

Abstract

The present disclosure provides a thermoplastic release film for a semiconductor sealing process, which not only exhibits excellent releasability between a sealing resin and a mold and excellent mold followability, but also has sufficient heat resistance required for a semiconductor sealing process, such as resin molding, and further exhibits excellent handleability. This thermoplastic release film for a semiconductor sealing process contains a crystalline resin (A) having a melting point of 180ºC or higher and an acrylic copolymer (B). The crystalline resin (A) preferably includes at least one type selected from the group consisting of a crystalline fluororesin, a crystalline acyclic olefin resin and a crystalline polystyrene resin.

IPC Classes  ?

  • B29C 33/68 - Release sheets
  • B29C 55/04 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets uniaxial, e.g. oblique
  • B29C 55/12 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets multiaxial biaxial
  • C08J 5/18 - Manufacture of films or sheets
  • C08L 35/02 - Homopolymers or copolymers of esters
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

42.

METHOD FOR DETECTING HELICOBACTER SUIS ANTIBODY USING CELL SOLUBILIZED FRACTION

      
Application Number 18833014
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-05-15
Owner
  • THE KITASATO INSTITUTE (Japan)
  • JAPAN AS REPRESENTED BY DIRECTOR-GENERAL OF NATIONAL INSTITUTE OF INFECTIOUS DISEASES (Japan)
  • DENKA COMPANY LIMITED (Japan)
Inventor
  • Matsui, Hidenori
  • Rimbara, Emiko
  • Suzuki, Masato
  • Takahashi, Takamichi
  • Ishii, Akira

Abstract

Provided are a method and a reagent for measuring an antibody against Helicobacter suis using a soluble fraction of H. suis. A reagent for detecting an antibody that binds to a H. suis solubilized fraction, or a protein contained in the solubilized fraction, of a specimen derived from a subject, the reagent comprising at least the H. suis solubilized fraction, or the protein contained in the solubilized fraction, and an anti-Ig antibody.

IPC Classes  ?

  • G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses

43.

HUMIC-ACID-CONTAINING POWDER, METHOD FOR PRODUCING HUMIC-ACID-CONTAINING WATER, METHOD FOR IMPROVING SOIL, AND METHOD FOR PROMOTING PLANT GROWTH

      
Application Number JP2024039572
Publication Number 2025/100472
Status In Force
Filing Date 2024-11-07
Publication Date 2025-05-15
Owner DENKA COMPANY LIMITED (Japan)
Inventor Honda Kazuma

Abstract

PAPAPP is the packed bulk density of the powder. Humic-acid-containing water obtained by dissolving or dispersing the humic-acid-containing powder in water is preferably used for soil improvement and plant growth promotion.

IPC Classes  ?

  • C05F 11/02 - Other organic fertilisers from peat, brown coal, or similar vegetable deposits
  • A01G 7/06 - Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
  • C05G 5/10 - Solid or semi-solid fertilisers, e.g. powders
  • C05G 5/20 - Liquid fertilisers

44.

FLOW PASSAGE STRUCTURE, MORTAR COMPOSITION SUPPLY SYSTEM, LIQUID QUICK SETTING MATERIAL, AND MORTAR COMPOSITION

      
Application Number JP2024037296
Publication Number 2025/094725
Status In Force
Filing Date 2024-10-21
Publication Date 2025-05-08
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Kushihashi, Takumi
  • Hatta, Kenji

Abstract

This flow passage structure includes: a double-pipe structure including a mortar composition flow passage for supplying a mortar composition and a liquid quick setting material flow passage for supplying a liquid quick setting material, the liquid quick setting material flow passage being formed on the outer peripheral side of the mortar composition flow passage; on the downstream end portion side of the double-pipe structure, a merging portion in which the liquid quick setting material is added from the outer periphery of the mortar composition; and a merged flow passage which extends from the merging portion.

IPC Classes  ?

  • E04G 21/02 - Conveying or working-up concrete or similar masses able to be heaped or cast
  • C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides

45.

ARTIFICIAL HAIR FIBER AND HAIR ORNAMENT PRODUCT

      
Application Number JP2024038081
Publication Number 2025/094837
Status In Force
Filing Date 2024-10-25
Publication Date 2025-05-08
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Inoue, Yuki
  • Muraoka, Takashi

Abstract

The present invention addresses the problem of providing artificial hair fibers having a reduced glossiness. One embodiment of the present invention pertains to artificial hair fibers that are each provided with a plurality of hollow parts extending in the longitudinal direction. Preferably, a first hollow part among the plurality of hollow parts is present substantially at the center in a fiber cross section perpendicular to the longitudinal direction of each of the artificial hair fibers, and one or more second hollow parts among the plurality of hollow parts are each present, in said fiber cross section, closer to the outer edge of the corresponding one of the artificial hair fibers with as compared to the first hollow part.

IPC Classes  ?

  • A41G 3/00 - Wigs
  • D01F 6/48 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons

46.

CO2-FIXING CERAMIC AND METHOD FOR PRODUCING CO2-FIXING PRODUCT

      
Application Number 18835653
Status Pending
Filing Date 2023-01-30
First Publication Date 2025-05-08
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Yasuda, Ryosuke
  • Mori, Taiichiro

Abstract

The CO2-fixing ceramic of the present invention contains a γ-crystalline phase composed of γ-2CaO·SiO2 (γ-C2S), and 2CaO·Al2O3·SiO2 (C2AS).

IPC Classes  ?

  • B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
  • B01D 53/62 - Carbon oxides
  • B01D 53/81 - Solid phase processes
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties

47.

SPHERICAL BORON NITRIDE PARTICLES, FILLER FOR RESINS, RESIN COMPOSITION, AND METHOD FOR PRODUCING SPHERICAL BORON NITRIDE PARTICLES

      
Application Number 18838215
Status Pending
Filing Date 2023-02-14
First Publication Date 2025-05-08
Owner Denka Company Limited (Japan)
Inventor
  • Kaneko, Eri
  • Miyata, Kenji
  • Nakashima, Michiharu

Abstract

Provided are spherical boron nitride particles having a B1s/O1s ratio of 90 or and less, the B1s/O1s ratio being a ratio of a semiquantitative value calculated from an O1s peak intensity measured by X-ray photoelectron spectroscopy and a semiquantitative value calculated from a B1s peak intensity. For viscosities, measured at 25° C. with a shear rate being changed from 0.01 (1/s) to 100 (1/s), of a mixture in which 15 volume % of the spherical boron nitride particles are filled in an epoxy resin, a thixotropy index (T.I. index) represented by a ratio (η1/η2) of a viscosity η1 measured when the shear rate is 1 (1/s) and a viscosity η2 measured when the shear rate is 10 (1/s) is preferably 2 or less.

IPC Classes  ?

48.

ALUMINUM NITRIDE SINTERED BODY, METHOD FOR PRODUCING SAME, AND CIRCUIT BOARD

      
Application Number JP2024037060
Publication Number 2025/094690
Status In Force
Filing Date 2024-10-17
Publication Date 2025-05-08
Owner DENKA COMPANY LIMITED (Japan)
Inventor Higashi Riki

Abstract

Provided is a method for producing an aluminum nitride sintered body, the method comprising: a molding step for molding a molding raw material that includes an aluminum nitride powder, a sintering aid, and a binder; a degreasing step for heating the molded body in a reduced pressure atmosphere or in an inert gas atmosphere at 500-600°C; and a heating step for firing the degreased molded body for 7 hours or more in a nitrogen gas atmosphere at 1500-1700°C and then firing the same in a nitrogen gas atmosphere at 1750-1880°C for 3-5 hours. The volume resistivity of the aluminum nitride sintered body is 5.0×1012 Ω·cm or more.

IPC Classes  ?

  • C04B 35/581 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on aluminium nitride
  • C01B 21/072 - Binary compounds of nitrogen with metals, with silicon, or with boron with aluminium
  • C04B 37/02 - Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
  • H05K 1/03 - Use of materials for the substrate

49.

CARBON BLACK, COMPOSITION, LAMINATE, AND BATTERY

      
Application Number 18693654
Status Pending
Filing Date 2022-09-27
First Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nakashima, Michiya
  • Nagai, Tatsuya
  • Harada, Yusaku
  • Yamada, Masato
  • Tanaka, Kosuke

Abstract

A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.

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

50.

CEMENT, CEMENT COMPOSITION, CURED CEMENT PRODUCT, AND METHOD FOR PRODUCING CURED CEMENT PRODUCT

      
Application Number 18835639
Status Pending
Filing Date 2023-01-30
First Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor Mori, Taiichiro

Abstract

The cement of the present invention is cured by a carbonation reaction, the cement containing a γ-crystalline phase composed of γ-2CaO·SiO2 (γ-C2S), a β-crystalline phase composed of β-2CaO·SiO2 (β-C2S), and 2CaO·Al2O3·SiO2 (C2AS).

IPC Classes  ?

  • C04B 40/02 - Selection of the hardening environment
  • C04B 111/00 - Function, property or use of the mortars, concrete or artificial stone
  • C04B 111/10 - Compositions characterised by the absence of a specified material

51.

COVER TAPE AND ELECTRONIC COMPONENT PACKAGE COMPRISING SAME

      
Application Number JP2024038037
Publication Number 2025/089367
Status In Force
Filing Date 2024-10-25
Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Kitayama, Tomohiro
  • Atsusaka, Takanori
  • Tokunaga, Hisatsugu

Abstract

Provided are: an environmentally friendly cover tape that contains a certain amount of a biomass-derived resin and that can achieve mechanical properties equivalent to those of conventional cover tapes; and an electronic component package including the cover tape. The cover tape comprises a base material layer, a support layer, and a heat seal layer laminated in that order. The support layer contains a linear low-density polyolefin resin (A) and a polyolefin resin (B) other than the resin (A). The ratio of a biomass-derived linear low-density polyolefin resin (a1) to the total mass of the resin (A) is 0-50 mass% and the ratio of a biomass-derived polyolefin resin (b1) to the total mass of the resin (B) is 50-100 mass%.

IPC Classes  ?

  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B65D 75/36 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages
  • B65D 85/90 - Containers, packaging elements or packages, specially adapted for particular articles or materials for electrical components for integrated circuits

52.

COPPER-DIAMOND COMPOSITE, HEAT DISSIPATION MEMBER AND ELECTRONIC DEVICE

      
Application Number 18681255
Status Pending
Filing Date 2022-08-01
First Publication Date 2025-05-01
Owner Denka Company Limited (Japan)
Inventor
  • Noguchi, Hyojin
  • Sakai, Noriyoshi
  • Nagasawa, Motoi

Abstract

A copper-diamond composite according to the present invention includes diamond particles that are dispersed in a metal matrix containing copper, in which when a 50% area mean diameter of single-crystal particles of the copper in the metal matrix is represented by A50, A50 is 1 μm or more and 10 μm or less, the 50% area mean diameter being obtained by electron backscatter diffraction.

IPC Classes  ?

  • C22C 26/00 - Alloys containing diamond
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

53.

SOLUTION SUPPLY DEVICE, DETECTION SET, AND DETECTION METHOD

      
Application Number 18686735
Status Pending
Filing Date 2022-08-05
First Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Akiyama, Yuto
  • Aoyama, Shuhei

Abstract

A solution supply device supplies a plurality of solutions including a reaction liquid to an examination kit having a flow channel that transports the reaction liquid and is over a substrate formed of a resin, a solid-phase part in the flow channel and on which antibodies are solid-phased, a detection part for detecting a reaction of the liquid to the antibodies, and a fine uneven structure that has a plurality of protrusions and is formed integrally with the substrate in a region with the flow channel. The device has a solution unit having a plurality of solution accommodating parts, a communicating unit having a plurality of communicating parts for the solution accommodating parts and communicating with the inside and outside of the solution accommodating parts to supply the solutions to the kit, and a positioning part for arranging the communicating parts in positions for communicating with the solution accommodating parts.

IPC Classes  ?

  • G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals

54.

COMPOSITION FOR ULTRAVIOLET LIGHT REFLECTION

      
Application Number 18694095
Status Pending
Filing Date 2022-09-30
First Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Sotokawa, Shota
  • Asami, Takeshi
  • Kaneko, Hitoshi

Abstract

A composition for ultraviolet light reflection, the composition containing a base material and zirconium oxide particles dispersed in the base material, in which the base material contains a fluororesin, and a particle diameter D50 of the zirconium oxide particles is 10 μm or less.

IPC Classes  ?

  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 5/33 - Radiation-reflecting paints
  • C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
  • C09D 127/20 - Homopolymers or copolymers of hexafluoropropene

55.

INORGANIC POWDER

      
Application Number 18837068
Status Pending
Filing Date 2023-02-06
First Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Aikyo, Teruhiro
  • Kawabata, Tomohiro
  • Yamaguchi, Jun
  • Yamashita, Atsushi

Abstract

Inorganic powder according to the present invention includes spherical alumina powder and spherical silica powder, in which an angle of repose measured using a powder tester under conditions of a room temperature of 25° C. and a humidity of 65% is more than or equal to 35° and less than or equal to 47°.

IPC Classes  ?

  • C01F 7/025 - Granulation or agglomeration
  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof

56.

SPHERICAL SILICA POWDER

      
Application Number 18837178
Status Pending
Filing Date 2023-02-06
First Publication Date 2025-05-01
Owner Denka Company Limited (Japan)
Inventor
  • Minamikawa, Takaaki
  • Shiotsuki, Hiroyuki
  • Karino, Genta

Abstract

This spherical silica powder is configured such that when the spherical silica powder is measured using a wet flow type image analyzer, a sphericity of a particle size of more than or equal to 5 μm and less than 10 μm is represented by S1, a sphericity of a particle size of more than or equal to 10 μm and less than 20 μm is represented by S2, a sphericity of a particle size of more than or equal to 20 μm and less than 30 μm is represented by S3, a sphericity of a particle size of more than or equal to 30 μm and less than 45 μm is represented by S4, and a sphericity of a particle size of more than or equal to 45 μm is represented by S5, at least two of S1, S2, S3, S4, and S5 are more than or equal to 0.74.

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
  • C08K 3/36 - Silica
  • C08K 7/18 - Solid spheres inorganic

57.

CALCIUM ALUMINOSILICATE-BASED COMPOUND, QUICK HARDENING MATERIAL, QUICK HARDENING MORTAR MATERIAL, QUICK HARDENING CONCRETE MATERIAL, METHOD FOR SHAPING HARDENED MORTAR BODY, AND METHOD FOR SHAPING HARDENED CONCRETE BODY

      
Application Number JP2024037543
Publication Number 2025/089265
Status In Force
Filing Date 2024-10-22
Publication Date 2025-05-01
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Yoshioka, Maho
  • Higuchi, Takayuki

Abstract

232255 by mass ratio, and 0.1-1 mass% of MgO.

IPC Classes  ?

  • C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
  • B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
  • C01B 33/26 - Aluminium-containing silicates
  • C01F 7/164 - Calcium aluminates
  • C04B 22/08 - Acids or salts thereof
  • C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides

58.

METHOD FOR PRODUCING POSITIVE ELECTRODE COMPOSITION AND METHOD FOR PRODUCING POSITIVE ELECTRODE

      
Application Number 18685605
Status Pending
Filing Date 2022-08-16
First Publication Date 2025-04-24
Owner Denka Company Limited (Japan)
Inventor
  • Nagai, Tatsuya
  • Kitae, Yuma
  • Ito, Tetsuya

Abstract

A method for producing a positive electrode composition, the method including: a first step of mixing a first agent containing a binding material and a first liquid medium, a second agent containing carbon black and a second liquid medium, and a third agent containing carbon nanotubes and a third liquid medium to obtain a mixed solution; and a second step of mixing the mixed solution and an active material to obtain a positive electrode composition.

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

59.

ENCAPSULATING COMPOSITION, CURED OBJECT, DISPLAY DEVICE, AND SOLAR CELL

      
Application Number JP2024036266
Publication Number 2025/084217
Status In Force
Filing Date 2024-10-10
Publication Date 2025-04-24
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Sasaki Makiko
  • Tanigawa Hoshino Takako
  • Kurimura Hiroyuki

Abstract

Provided is an encapsulating composition comprising a photopolymerizable compound and a photopolymerization initiator, wherein the photopolymerization initiator comprises one or two compounds selected from the group consisting of an ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate and bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide.

IPC Classes  ?

  • C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
  • 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
  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
  • 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
  • G09F 9/33 - 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 being semiconductor devices, e.g. diodes
  • H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
  • H10K 30/50 - Photovoltaic [PV] devices
  • H10K 30/88 - PassivationContainersEncapsulations
  • H10K 50/844 - Encapsulations
  • H10K 59/10 - OLED displays
  • H10K 71/00 - Manufacture or treatment specially adapted for the organic devices covered by this subclass
  • H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3

60.

ALUMINA POWDER, RESIN COMPOSITION, AND ADHESIVE AGENT

      
Application Number JP2024037101
Publication Number 2025/084382
Status In Force
Filing Date 2024-10-18
Publication Date 2025-04-24
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nogami, Naotsugu
  • Aikyo, Teruhiro
  • Hirata, Masakazu
  • Karino, Genta
  • Miyamoto, Kosuke

Abstract

The present invention provides an alumina powder that is used to produce a resin composition having good heat conductivity and good shear adhesive strength. The alumina powder has a volume-based cumulative 50% diameter D50 of 10 μm to 70 μm and a specific surface area as determined by BET of greater than 0.23 m2/g.

IPC Classes  ?

  • C01F 7/02 - Aluminium oxideAluminium hydroxideAluminates
  • C08K 3/22 - OxidesHydroxides of metals
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09J 11/04 - Non-macromolecular additives inorganic
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds

61.

ALUMINA POWDER, RESIN COMPOSITION, AND ADHESIVE

      
Application Number JP2024037102
Publication Number 2025/084383
Status In Force
Filing Date 2024-10-18
Publication Date 2025-04-24
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nogami, Naotsugu
  • Aikyo, Teruhiro
  • Hirata, Masakazu
  • Karino, Genta
  • Miyamoto, Kosuke

Abstract

Provided is an alumina powder which gives a resin composition exhibiting a satisfactory thermal conductivity and a satisfactory shear adhesion strength. The alumina powder has a 50% volume-cumulative diameter D50 of 10-70 μm and gives a volume-based particle size frequency distribution which has a first-peak maximal value in a particle diameter range of 20 μm and larger and a second-peak maximal value in the particle diameter range of 1-20 μm, excluding 20 μm.

IPC Classes  ?

  • C01F 7/02 - Aluminium oxideAluminium hydroxideAluminates
  • C08K 3/22 - OxidesHydroxides of metals
  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • C09J 11/04 - Non-macromolecular additives inorganic
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds

62.

BODY PASTING FILM AND BODY PASTING TAPE

      
Application Number JP2024037246
Publication Number 2025/084418
Status In Force
Filing Date 2024-10-18
Publication Date 2025-04-24
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Yamashita, Akihiro
  • Yamashita, Yukihiro

Abstract

The present invention addresses the problem of providing a body pasting film and a body pasting tape which can be pasted on the skin for a long period of several days or more. The present invention provides: a body pasting film containing a hydrophobic group-modified polyvinyl alcohol; and a body pasting tape having the body pasting film and a substrate.

IPC Classes  ?

  • A61K 9/70 - Web, sheet or filament bases
  • A61F 13/02 - Adhesive bandages or dressings
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
  • C08F 8/12 - Hydrolysis
  • C08F 216/06 - Polyvinyl alcohol
  • C08F 218/08 - Vinyl acetate
  • C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
  • C09J 7/38 - Pressure-sensitive adhesives [PSA]
  • C09J 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

63.

AUTHENTICITY DETERMINATION SYSTEM AND AUTHENTICITY DETERMINATION METHOD

      
Application Number JP2024036174
Publication Number 2025/079616
Status In Force
Filing Date 2024-10-09
Publication Date 2025-04-17
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Banno Hiroki
  • Kobayashi Naoki

Abstract

This authenticity determination system comprises: an irradiation unit that irradiates a detection marker with an excitation light, said detection marker being provided to a product and including a phosphor; a detection unit that detects the spectrum of light emitted by the phosphor due to the excitation light; and a determination unit that determines the authenticity of the product on the basis of the shape of the spectrum of the light detected by the detection unit.

IPC Classes  ?

64.

BLOCK COPOLYMER, COMPOSITION, HEAT SHRINKABLE FILM, SHEET AND SHEET MOLDED ARTICLE

      
Application Number 18715250
Status Pending
Filing Date 2022-03-18
First Publication Date 2025-04-17
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Nakamura, Yuya
  • Sawasato, Tadashi
  • Yoshida, Jun

Abstract

A block copolymer having a first vinyl aromatic block, a second vinyl aromatic block, and a copolymerization block, wherein an average molecular weight of the second vinyl aromatic block is equal to or less than an average molecular weight of the first vinyl aromatic block; the copolymerization block is substantially composed exclusively of the vinyl aromatic monomer unit and a conjugated diene monomer unit; a content ratio of which is 55 mass % or more and 82 mass % or less; a ratio of the first vinyl aromatic block is 50 mass % or more and 85 mass % or less; a content ratio of the copolymerization block is 38 mass % or more and 60 mass % or less; and the block copolymer has at least one peak of a loss tangent value in a range of −70 to −35° C. when a dynamic viscoelasticity measurement is performed.

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 5/18 - Manufacture of films or sheets

65.

AGENT FOR INHIBITING RENAL DAMAGE INDUCED BY RHABDOMYOLYSIS

      
Application Number 19001859
Status Pending
Filing Date 2024-12-26
First Publication Date 2025-04-17
Owner
  • Niigata University (Japan)
  • Denka Company Limited (Japan)
Inventor
  • Saito, Akihiko
  • Goto, Sawako
  • Hirayama, Yoshiaki

Abstract

One object of the present invention is to provide an inhibitor for renal injuries induced by rhabdomyolysis. In this invention, cilastatin or a pharmaceutically acceptable salt thereof is used.

IPC Classes  ?

  • A61K 31/201 - Carboxylic acids, e.g. valproic acid having a carboxyl group bound to an acyclic chain of seven or more carbon atoms, e.g. stearic, palmitic or arachidic acid having one or two double bonds, e.g. oleic or linoleic acid
  • A61P 13/12 - Drugs for disorders of the urinary system of the kidneys

66.

SLURRY, POSITIVE ELECTRODE COMPOSITION, BATTERY, AND METHOD FOR PRODUCING SLURRY

      
Application Number JP2024035319
Publication Number 2025/079484
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-17
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Hidaka Masatomo
  • Kawasaki Tokiya

Abstract

Disclosed is a slurry which contains carbon black, a dispersant, and a dispersion medium. In the volume-based particle size distribution of the carbon black, the median diameter (D50) is 0.5 μm to 0.8 μm inclusive, the difference (D90 - D10) between the 90% cumulative particle diameter (D90) and the 10% cumulative particle diameter (D10) is less than 2 μm, the total amount of particles having a particle diameter of more than 5 μm is less than 1%, and the ratio (D50'/ D50) of the median diameter (D50') of the carbon black after having the slurry left to stand for 4 weeks to D50 is less than 1.3.

IPC Classes  ?

  • H01M 4/139 - Processes of manufacture
  • C09C 1/48 - Carbon black
  • C09C 1/54 - Acetylene blackCarbon black thermal black
  • C09D 17/00 - Pigment pastes, e.g. for mixing in paints
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

67.

INORGANIC POWDER

      
Application Number 18836348
Status Pending
Filing Date 2023-02-06
First Publication Date 2025-04-10
Owner Denka Company Limited (Japan)
Inventor
  • Aikyo, Teruhiro
  • Kawabata, Tomohiro
  • Yamaguchi, Jun
  • Yamashita, Atsushi

Abstract

Inorganic powder includes spherical alumina powder and spherical silica powder, in which when the inorganic powder is measured using a wet flow type image analyzer, a sphericity of a particle size of 5-10 μm is represented by S1, a sphericity of a particle size of 10-20 μm is represented by S2, a sphericity of a particle size of 20-30 μm is represented by S3, a sphericity of a particle size of 30-45 μm is represented by S4, and a sphericity of a particle size of more than or equal to 45 μm is represented by S5, at least two of S1, S3, S4, and Ss are more than or equal to 0.89, and S2 is more than or equal to 0.75 and less than 0.89.

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
  • C01F 7/02 - Aluminium oxideAluminium hydroxideAluminates

68.

BUMPY RESIN SHEET

      
Application Number JP2024035188
Publication Number 2025/075021
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-10
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Sagawa, Yuta
  • Sugimoto, Kazuya
  • Miyawaki, Manami
  • Takano, Keiji

Abstract

Provided is a resin sheet that suppresses adhesion of marine organisms. The present invention provides a resin sheet that has a bumpy surface. The average width of the bumps is 10–90 μm, the average height of the bumps is 10–90 μm, the average interval between the bumps is 10–90 μm, and the Martens hardness of a resin composition that constitutes the resin sheet is at least 20 N/mm2.

IPC Classes  ?

  • B29C 59/02 - Surface shaping, e.g. embossingApparatus therefor by mechanical means, e.g. pressing
  • A01N 25/18 - Vapour or smoke emitting compositions with delayed or sustained release
  • A01N 41/10 - SulfonesSulfoxides
  • A01N 65/28 - Myrtaceae [Myrtle family], e.g. teatree or clove
  • A01P 17/00 - Pest repellants
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • C08J 5/18 - Manufacture of films or sheets

69.

RESIN COMPOSITION, INSULATING RESIN CURED PRODUCT, LAMINATE, AND CIRCUIT BOARD

      
Application Number JP2024035474
Publication Number 2025/075098
Status In Force
Filing Date 2024-10-03
Publication Date 2025-04-10
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Gonda Yuhei
  • Kumagai Ryota
  • Ichikawa Isamu
  • Kogure Katsumichi
  • Nebashi Ibuki

Abstract

A resin composition containing a thermosetting resin, an inorganic filler, and an inorganic ion scavenger, wherein: the inorganic filler includes a first particle group exhibiting a particle size distribution curve having a peak in the range of 0.1-15 µm, inclusive, and a second particle group exhibiting a particle size distribution curve having a peak in the range of greater than 15 µm but not greater than 300 µm; the first particle group content is 1-60 vol% with respect to the total amount of the first particle group and the second particle group; and the inorganic ion scavenger content is 0.1-50 mass% with respect to the entire amount of the thermosetting resin.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • 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
  • C08F 220/12 - Esters of monohydric alcohols or phenols
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 3/38 - Boron-containing compounds
  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
  • H05K 1/03 - Use of materials for the substrate

70.

LIQUID HUMIC ACID, AND METHOD FOR PRODUCING LIQUID HUMIC ACID

      
Application Number 18729876
Status Pending
Filing Date 2022-11-01
First Publication Date 2025-04-10
Owner Denka Company Limited (Japan)
Inventor
  • Okawa, Takashi
  • Honda, Kazuma
  • Iino, Toju

Abstract

A liquid humic substance of the present invention is a liquid humic substance having, in separating the liquid humic substance into a precipitated part and a soluble part by regulating the liquid humic substance to have a pH of 1 by adding hydrochloric acid, a total organic carbon concentration A mg/L of the precipitated part and a total organic carbon concentration B mg/L of the soluble part that provide a value of B/A×100 of 15 to 100, and the production method thereof includes (1) a step of adding 80 to 160 parts by mass of nitric acid on anhydrous basis to 100 parts by mass of low rank coal, (2) a step of reacting a mixture obtained in the step (1) under condition of 70 to 95° C. for 2 to 6 hours, so as to prepare a crude humic substance, (3) a step of adding water and an alkali to the crude humic substance to regulate the crude humic substance to have a pH of 6 to 10, (4) a step of adding water to make a solid-liquid ratio of 1/3 or more, (5) a step of extracting under condition of a liquid temperature of 40 to 95° C. for 0.5 to 24 hours, and (6) a step of subjecting a humic substance extracted liquid obtained in the step (5) to solid-liquid separation, so as to provide the liquid humic substance. The present invention can provide a liquid humic substance that has a growth promotion effect on crop plants.

IPC Classes  ?

  • C05F 11/02 - Other organic fertilisers from peat, brown coal, or similar vegetable deposits
  • C05G 5/23 - Solutions

71.

COMPOSITION AND CURED PRODUCT THEREOF

      
Application Number JP2024035340
Publication Number 2025/075056
Status In Force
Filing Date 2024-10-02
Publication Date 2025-04-10
Owner DENKA COMPANY LIMITED (Japan)
Inventor Arai Toru

Abstract

The present disclosure provides: a method for obtaining a cured body containing an epoxy compound and a resin having an aromatic vinyl group as a functional group; an epoxy resin-based composition and a cured body thereof, having improved low dielectric performance; and an electrically insulating material and the like. The present disclosure provides: a composition that contains an epoxy compound, a resin having an aromatic vinyl group as a functional group, and an active vinyl compound; a cured body of the composition; and an electrically insulating material. The resin having an aromatic vinyl group as a functional group is preferably an olefin-aromatic vinyl compound-aromatic polyene copolymer. The active vinyl compound is preferably one or more compounds selected from the group consisting of a maleimide compound and a cyanate compound.

IPC Classes  ?

  • C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
  • C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
  • C08L 25/08 - Copolymers of styrene
  • C08L 101/02 - Compositions of unspecified macromolecular compounds characterised by the presence of specified groups
  • H01B 3/40 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes epoxy resins
  • H05K 1/03 - Use of materials for the substrate

72.

RESIN COMPOSITION, INSULATING RESIN CURED PRODUCT, LAMINATE, AND CIRCUIT BOARD

      
Application Number JP2024035475
Publication Number 2025/075099
Status In Force
Filing Date 2024-10-03
Publication Date 2025-04-10
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Gonda Yuhei
  • Kumagai Ryota
  • Ichikawa Isamu
  • Kogure Katsumichi
  • Nebashi Ibuki

Abstract

A resin composition containing a thermosetting resin, an inorganic filler, and an inorganic ion scavenger, wherein: the inorganic filler includes first particles, which are particles having a scaly shape, and second particles, which are aggregates of particles having a scaly shape; the first particle content is 1-60 vol% with respect to the total amount of the first particles and the second particles; and the inorganic ion scavenger content is 0.1-50 mass% with respect to the entire amount of the thermosetting resin.

IPC Classes  ?

  • C08L 101/00 - Compositions of unspecified macromolecular compounds
  • 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
  • C08F 220/02 - Monocarboxylic acids having less than ten carbon atomsDerivatives thereof
  • C08K 3/013 - Fillers, pigments or reinforcing additives
  • C08K 3/38 - Boron-containing compounds
  • C08K 7/00 - Use of ingredients characterised by shape
  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
  • H05K 1/03 - Use of materials for the substrate

73.

EMITTER

      
Application Number JP2024032596
Publication Number 2025/070073
Status In Force
Filing Date 2024-09-11
Publication Date 2025-04-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor Ishikawa, Daisuke

Abstract

An emitter (1) includes: an electron source chip (10); a first filament (50) connected to a first position (10a) on a side surface of the electron source chip (10); a second filament (60) connected to a second position (10b) on the side surface of the electron source chip (10); two upper positive terminals (20a, b) to which first side surfaces (50a, b) at two locations of the first filament (50) are respectively connected; two upper negative terminals (20c, d) to which second side surfaces (60a, b) at two locations of the second filament (60) are respectively connected; one lower positive terminal (30a) electrically connected to the two upper positive terminals (20a, b); one lower negative terminal (30b) electrically connected to the two upper negative terminals (20c, d); and an insulator (40) that supports the upper positive terminals (20a, b), the upper negative terminals (20c, d), the lower positive terminal (30a), and the lower negative terminal (30b). The first position (10a) and the second position (10b) are different positions, the first side surfaces (50a, b) of the first filament (50) are respectively connected to side surfaces of the upper positive terminals (20a, b), and the second side surfaces (60a, b) of the second filament (60) are respectively connected to side surfaces of the upper negative terminals (20c, d).

IPC Classes  ?

  • H01J 37/07 - Eliminating deleterious effects due to thermal effects or electric or magnetic fields
  • H01J 1/15 - Cathodes heated directly by an electric current

74.

MORTAR COMPOSITION FOR THREE-DIMENSIONAL MODELING

      
Application Number JP2024033615
Publication Number 2025/070282
Status In Force
Filing Date 2024-09-20
Publication Date 2025-04-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Kushihashi, Takumi
  • Mishima, Shunichi
  • Yoshioka, Maho
  • Tanakadate, Yuto

Abstract

The purpose is to provide a mortar composition for three-dimensional modeling that enables three-dimensional modeling without depending on temperature. The mortar composition for three-dimensional modeling contains cement, gypsum, and fine aggregate, and a mini-slump exhibits a slump reduction rate of 65% or more 10 minutes after kneading at 20°C in comparison to a mini-slump immediately after kneading.

IPC Classes  ?

  • C04B 28/04 - Portland cements
  • B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C04B 14/06 - QuartzSand
  • C04B 16/06 - Macromolecular compounds fibrous
  • C04B 22/14 - Acids or salts thereof containing sulfur in the anion, e.g. sulfides
  • C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

75.

FIBER BUNDLE FOR ARTIFICIAL HAIR AND HAIR ACCESSORY PRODUCT

      
Application Number JP2024033899
Publication Number 2025/070376
Status In Force
Filing Date 2024-09-24
Publication Date 2025-04-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Muraoka, Takashi
  • Inoue, Yuki

Abstract

Provided is a fiber bundle for artificial hair that is capable of both having natural color and glossy appearance that have suitable variations similar to human hair and reducing fibers coming loose and stray fibers after hot water treatment. The present invention provides a fiber bundle for artificial hair that comprises a plurality of fibers for artificial hair, wherein: the plurality of fibers for artificial hair include hollow fibers for artificial hair which are provided with a hollow part that extends in the lengthwise direction of the fibers for artificial hair; and when a hollowness ratio is defined as the ratio of area occupied by the hollow part in a cross-section perpendicular the lengthwise direction of a fiber for artificial hair, the coefficient of variation of the hollowness ratio of the fibers for artificial hair included in the fiber bundle for artificial hair is 0.02-0.30.

IPC Classes  ?

  • D01F 6/10 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polyvinyl chloride or polyvinylidene chloride
  • A41G 3/00 - Wigs
  • D01F 6/48 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons

76.

PLANT GROWTH PROMOTER, METHOD FOR PRODUCING SAME, CONCENTRATED LIQUID PREPARATION, PLANT GROWTH PROMOTION KIT, AND PLANT GROWTH PROMOTION METHOD

      
Application Number JP2024034234
Publication Number 2025/070516
Status In Force
Filing Date 2024-09-25
Publication Date 2025-04-03
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ito Hiroki
  • Iino Toju

Abstract

Provided is a plant growth promoter containing humic acid and one or more amino acids as active ingredients, wherein the humic acid has a melanic index of 2 or more, and the one or more amino acids are derived from enzymatic decomposition products or hydrolysates of animal-derived and plant-derived raw materials.

IPC Classes  ?

  • A01N 61/00 - Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
  • A01G 7/06 - Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
  • A01N 37/44 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio-analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio-analogue of a carboxylic group, e.g. amino-carboxylic acids
  • A01P 21/00 - Plant growth regulators
  • C05F 11/02 - Other organic fertilisers from peat, brown coal, or similar vegetable deposits

77.

METHOD FOR DETECTING HELICOBACTER SUIS ANTIBODY USING WHOLE CELL

      
Application Number 18833175
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-04-03
Owner
  • THE KITASATO INSTITUTE (Japan)
  • JAPAN AS REPRESENTED BY DIRECTOR-GENERAL OF NATIONAL INSTITUTE OF INFECTIOUS DISEASES (Japan)
  • DENKA COMPANY LIMITED (Japan)
Inventor
  • Matsui, Hidenori
  • Rimbara, Emiko
  • Suzuki, Masato
  • Takahashi, Takamichi
  • Ishii, Akira

Abstract

Provided are a method and a reagent for measuring an antibody against Helicobacter suis using a H. suis whole cell. A reagent for detecting an antibody that binds to a H. suis whole cell, of a specimen derived from a subject, the reagent comprising at least the H. suis whole cell and an anti-Ig antibody.

IPC Classes  ?

  • G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses

78.

Hollow fiber

      
Application Number 29851595
Grant Number D1068688
Status In Force
Filing Date 2022-08-30
First Publication Date 2025-04-01
Grant Date 2025-04-01
Owner Denka Company Limited (Japan)
Inventor Hakamada, Sho

79.

METHOD FOR DETECTING HELICOBACTER SUIS ANTIBODY USING CELL OUTER MEMBRANE FRACTION

      
Application Number 18833090
Status Pending
Filing Date 2023-01-25
First Publication Date 2025-03-27
Owner
  • THE KITASATO INSTITUTE (Japan)
  • JAPAN AS REPRESENTED BY DIRECTOR-GENERAL OF NATIONAL INSTITUTE OF INFECTIOUS DISEASES (Japan)
  • DENKA COMPANY LIMITED (Japan)
Inventor
  • Matsui, Hidenori
  • Rimbara, Emiko
  • Suzuki, Masato
  • Takahashi, Takamichi
  • Ishii, Akira

Abstract

Provided are a method and a reagent for measuring an antibody against Helicobacter suis using an outer membrane fraction of H. suis. A reagent for detecting an antibody that binds to a H. suis outer membrane fraction, or a protein contained in the outer membrane fraction, of a specimen derived from a subject, the reagent comprising at least the H. suis outer membrane fraction, or the protein contained in the outer membrane fraction, and an anti-Ig antibody.

IPC Classes  ?

  • G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids
  • G01N 33/569 - ImmunoassayBiospecific binding assayMaterials therefor for microorganisms, e.g. protozoa, bacteria, viruses

80.

REAGENT CONTAINING HUMANIZED ANTIBODY

      
Application Number 18290904
Status Pending
Filing Date 2022-07-26
First Publication Date 2025-03-27
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ishikawa, Haruto
  • Yamamoto, Kimitaka
  • Izutani, Noriyuki
  • Ogasawara, Daisuke
  • Wakabayashi, Yuki

Abstract

The invention provides a reagent, a kit for measuring an antigen, and a method for measuring an antigen using an antibody capable of reducing a non-specific reaction. The immunoassay reagent comprises an humanized antibody against a target substance.

IPC Classes  ?

  • G01N 33/531 - Production of immunochemical test materials
  • C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
  • C12N 15/82 - Vectors or expression systems specially adapted for eukaryotic hosts for plant cells
  • G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids

81.

ARTIFICIAL HAIR FIBERS AND HAIRPIECE PRODUCT

      
Application Number 18832473
Status Pending
Filing Date 2022-10-25
First Publication Date 2025-03-27
Owner Denka Company Limited (Japan)
Inventor
  • Muraoka, Takashi
  • Sagara, Yuki

Abstract

A fiber for artificial hair having a plurality of single fibers, in which the single fibers each contain (A) a vinyl chloride polymer, (B) an aromatic vinyl polymer, and (C) a (meth)acrylic acid-based polymer, a content of the component (B) is more than 0% by mass and 50% by mass or less on the basis of the total amount of the component (A) and the component (B), a content of the component (C) is more than 0% by mass and 8% by mass or less on the basis of the total amount of the component (A) and the component (B), and a coefficient of variation of fineness of the single fibers is 35 or less.

IPC Classes  ?

  • D01F 6/48 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons
  • A41G 3/00 - Wigs
  • C08L 27/06 - Homopolymers or copolymers of vinyl chloride
  • D01F 6/10 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polyvinyl chloride or polyvinylidene chloride
  • D01F 6/16 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated carboxylic acids or unsaturated organic esters, e.g. polyacrylic esters, polyvinyl acetate
  • D01F 6/42 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising cyclic compounds containing one carbon-to-carbon double bond in the side chain as major constituent

82.

CATALYST, METHOD FOR PRODUCING CATALYST, HYDROGEN GENERATOR, AND FUEL CELL SYSTEM

      
Application Number JP2024026735
Publication Number 2025/062827
Status In Force
Filing Date 2024-07-26
Publication Date 2025-03-27
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Shinohara, Koichi
  • Kajiyama, Akihisa

Abstract

[Problem] To provide: a catalyst having excellent hydrogen generation efficiency; a method for producing the same; a hydrogen generator comprising the catalyst; and a fuel cell system comprising the hydrogen generator. [Solution] According to one aspect of the present invention, provided is a catalyst used to generate hydrogen from a borohydride salt. The catalyst contains, as a main component, a layered double hydroxide having interlayer anions and interlayer water molecules and including iron. The BET specific surface area is 40 m2/g or more.

IPC Classes  ?

  • B01J 23/745 - Iron
  • B01J 35/39 - Photocatalytic properties
  • B01J 35/61 - Surface area
  • B01J 37/10 - Heat treatment in the presence of water, e.g. steam
  • C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
  • H01M 8/0606 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants

83.

CATALYST, METHOD FOR PRODUCING CATALYST, HYDROGEN GENERATOR, AND FUEL CELL SYSTEM

      
Application Number JP2024026736
Publication Number 2025/062828
Status In Force
Filing Date 2024-07-26
Publication Date 2025-03-27
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Shinohara, Koichi
  • Kajiyama, Akihisa

Abstract

[Problem] To provide: a catalyst having excellent hydrogen generation efficiency and a method for producing the same; a hydrogen generator comprising the catalyst; and a fuel cell system comprising the hydrogen generator. [Solution] According to an aspect of the present invention, provided is a catalyst for use in generating hydrogen from a borohydride salt. The catalyst comprises: a core that has interlayer anions and interlayer water molecules and that includes, as the main component, a layered double hydroxide containing iron; and a tripod ligand that is coordinated on the surface of the core in a state of having three hydrophilic groups located on the core side.

IPC Classes  ?

  • B01J 31/22 - Organic complexes
  • B01J 23/745 - Iron
  • B01J 35/39 - Photocatalytic properties
  • B01J 35/61 - Surface area
  • B01J 35/73 - Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline having a two-dimensional layered crystalline structure, e.g. layered double hydroxide [LDH]
  • B01J 37/10 - Heat treatment in the presence of water, e.g. steam
  • C01B 3/04 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of inorganic compounds, e.g. ammonia
  • H01M 8/0606 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants

84.

CARBON BLACK, SLURRY AND LITHIUM ION SECONDARY BATTERY

      
Application Number 18728188
Status Pending
Filing Date 2023-01-17
First Publication Date 2025-03-20
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Tanaka, Kosuke
  • Harada, Yusaku
  • Hirata, Kazuta

Abstract

Carbon black in which, when aggregates are divided into first primary aggregates having an X value of more than 1.7, second primary aggregates having an X value of 1.7 or less and a Y value of 1.2 or less, third primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of 2.0 or less, and fourth primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of more than 2.0, the number percentage of a total number of the second primary aggregates and the third primary aggregates is 23% or more: Carbon black in which, when aggregates are divided into first primary aggregates having an X value of more than 1.7, second primary aggregates having an X value of 1.7 or less and a Y value of 1.2 or less, third primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of 2.0 or less, and fourth primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of more than 2.0, the number percentage of a total number of the second primary aggregates and the third primary aggregates is 23% or more: X = L / W ( X ) Y = P 2 / 4 ⁢ π ⁢ A ( Y ) Z = ( L × W ) / A ( Z ) Carbon black in which, when aggregates are divided into first primary aggregates having an X value of more than 1.7, second primary aggregates having an X value of 1.7 or less and a Y value of 1.2 or less, third primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of 2.0 or less, and fourth primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of more than 2.0, the number percentage of a total number of the second primary aggregates and the third primary aggregates is 23% or more: X = L / W ( X ) Y = P 2 / 4 ⁢ π ⁢ A ( Y ) Z = ( L × W ) / A ( Z ) [in the formula, in a two-dimensional projection image of a primary aggregate under a transmission electron microscope, the Feret's diameter of the primary aggregate in the minor axis direction is W (μm), the Feret's diameter in the major axis direction is L (μm), the perimeter is P (μm), and the projected area is A (μm2)].

IPC Classes  ?

  • H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
  • C09C 1/48 - Carbon black
  • 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

85.

IRON REDUCING AGENT CONTAINING HUMIC ACID EXTRACT, USE OF HUMIC ACID EXTRACT, AND REDUCTION METHOD

      
Application Number JP2024032036
Publication Number 2025/057879
Status In Force
Filing Date 2024-09-06
Publication Date 2025-03-20
Owner
  • DENKA AZUMIN COMPANY LIMITED (Japan)
  • DENKA COMPANY LIMITED (Japan)
Inventor
  • Takahashi Machiko
  • Ichijoh Toshiharu
  • Ito Hiroki
  • Honda Kazuma

Abstract

The present embodiment addresses the problem of providing a material capable of improving the state of iron in alkali soil. The present embodiment pertains to an iron reducing agent for reducing trivalent iron in soil to divalent iron during alkali soil cultivation, the iron reducing agent containing a humic acid extract which contains at least one selected from among fulvic acid and humic acid and is extracted from a humic acid crude product obtained through the nitric acid oxidation of young charcoal.

IPC Classes  ?

  • C09K 17/32 - PrepolymersMacromolecular compounds of natural origin, e.g. cellulosic materials
  • A01G 22/22 - Rice

86.

BLOCK COPOLYMER

      
Application Number JP2024030757
Publication Number 2025/053025
Status In Force
Filing Date 2024-08-28
Publication Date 2025-03-13
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Takahashi Junpei
  • Suzuki Junya
  • Ota Fuyuki
  • Kimura Akiyoshi

Abstract

A block copolymer comprising: a first block including a vinyl cyanide unit and an aromatic vinyl unit; and a second block including a (meth)acrylic acid ester unit.

IPC Classes  ?

  • C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
  • C08F 297/00 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer

87.

POLYMER PARTICLES, COMPOSITION, AND MOLDED BODY

      
Application Number JP2024030760
Publication Number 2025/053026
Status In Force
Filing Date 2024-08-28
Publication Date 2025-03-13
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Takahashi Junpei
  • Suzuki Junya
  • Kimura Akiyoshi

Abstract

Provided are polymer particles each containing an aromatic vinyl unit, a vinyl cyanide unit, and a (meth)acrylate ester unit, and the mass ratio of the content of the vinyl cyanide unit to the total content of the aromatic vinyl unit and the vinyl cyanide unit is 0.20 or less.

IPC Classes  ?

  • C08F 297/00 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
  • C08F 212/04 - Monomers containing only one unsaturated aliphatic radical containing one ring
  • C08F 220/10 - Esters
  • C08F 220/42 - Nitriles
  • C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
  • C08L 33/04 - Homopolymers or copolymers of esters
  • C08L 101/00 - Compositions of unspecified macromolecular compounds

88.

COPOLYMER, COMPOSITION, VARNISH, AND CURED PRODUCTS OF THESE

      
Application Number 18728588
Status Pending
Filing Date 2023-01-17
First Publication Date 2025-03-13
Owner DENKA COMPANY LIMITED (Japan)
Inventor Arai, Toru

Abstract

An aromatic vinyl compound-aromatic polyene copolymer satisfies the following conditions: the copolymer has a number average molecular weight of between 500 and 100000; the aromatic vinyl compound monomer has between 8 and 20 carbon atoms, and the content of aromatic vinyl compound monomer units is more than 70 mass %; the aromatic polyene is selected from polyenes having between 5 and 20 carbon atoms and having a plurality of vinyl and/or vinylene groups in the molecule, and the content of the vinyl and/or vinylene groups derived from aromatic polyene units is 2 pieces or more and less than 30 pieces per number average molecular weight; one or more selected from olefin monomer units having between 2 and 20 carbon atoms may be included, wherein a total amount of the aromatic vinyl compound monomer units, the aromatic polyene monomer units, and the olefin monomer units, if present, is 100 mass %.

IPC Classes  ?

  • C08F 212/08 - Styrene
  • C08F 257/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group on to polymers of styrene or alkyl-substituted styrenes
  • C08K 5/14 - Peroxides
  • C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
  • C09D 7/20 - Diluents or solvents
  • C09D 125/08 - Copolymers of styrene
  • C09D 153/02 - Vinyl aromatic monomers and conjugated dienes

89.

CEMENT ADMIXTURE, METHOD FOR PRODUCING CEMENT ADMIXTURE, AND CEMENT COMPOSITION

      
Application Number 18293936
Status Pending
Filing Date 2022-08-17
First Publication Date 2025-03-06
Owner Denka Company Limited (Japan)
Inventor
  • Mori, Taiichiro
  • Shimazaki, Daiki
  • Maeda, Takumi

Abstract

Provided is a cement admixture containing a dicalcium silicate compound having an average particle diameter of 5 to 100 μm as measured by microscopic observation and also having an average aspect ratio represented by ((major axis diameter)/(minor axis diameter)) of 1.3 or more. It becomes possible to provide a cement admixture having excellent fire resistance and also having an excellent retained ratio of compressive strength, an excellent retained ratio of Young's modulus after the reception of heat and excellent carbonation resistance after the reception of heat.

IPC Classes  ?

  • C04B 14/04 - Silica-rich materialsSilicates
  • C04B 7/153 - Mixtures thereof with other inorganic cementitious materials or other activators
  • C04B 12/04 - Alkali metal or ammonium silicate cements
  • C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
  • C04B 28/24 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl ammonium or alkali metal silicatesCompositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing silica sols
  • C04B 103/00 - Function or property of the active ingredients

90.

CEMENT ADMIXTURE, EXPANSION MATERIAL, AND CEMENT COMPOSITION

      
Application Number JP2024028991
Publication Number 2025/047432
Status In Force
Filing Date 2024-08-14
Publication Date 2025-03-06
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Yasuda, Ryosuke
  • Tabara, Kazuto

Abstract

Provided is a cement admixture comprising, in each particle thereof, calcium carbonate and calcium oxide, wherein the mass ratio of the calcium carbonate and the calcium oxide (calcium carbonate/calcium oxide) is 5/95 to 99.5/0.5, and the total amount of the calcium carbonate and the calcium oxide in the cement admixture is not less than 80 mass%.

IPC Classes  ?

91.

SILICA POWDER

      
Application Number JP2024029072
Publication Number 2025/047448
Status In Force
Filing Date 2024-08-15
Publication Date 2025-03-06
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Hatayama Yasuaki
  • Fukuda Takashi
  • Shiotsuki Hiroyuki

Abstract

A silica powder according to the present invention has: a dielectric loss tangent of at most 2.0×10-3at 40 GHz in a resin sheet sample, as measured by a resonance method; a specific surface area of 0.2 m2/g-5.0 m2/g, as measured by the BET 1-point method using nitrogen gas adsorption; a frequency of at least 5.5% for the maximum peak in a particle diameter frequency distribution as measured by a wet laser diffraction scattering method; a frequency of at most 6.0% for particles having a particle diameter of at least 20.7 μm; a Dm/S that reaches at least 1.50 where the value of the mode diameter in the particle size frequency distribution is Dm (μm), and the value of the specific surface area is S (m2/g).

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof

92.

SILICA POWDER

      
Application Number JP2024029074
Publication Number 2025/047449
Status In Force
Filing Date 2024-08-15
Publication Date 2025-03-06
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Hatayama Yasuaki
  • Fukuda Takashi
  • Shiotsuki Hiroyuki

Abstract

A silica powder according to the present invention has: a dielectric loss tangent of at most 2.0×10-3at 40 GHz in a resin sheet sample, as measured by a resonance method; a water content of at most 500 ppm, as measured by the Karl Fischer method, generated until the temperature reaches 200°C; a specific surface area of 0.2 m2/g-5.4 m2909090 is defined as the particle diameter at the point at which the cumulative volume is 90% from the small particle side in a volume frequency particle size distribution as measured by a wet laser diffraction scattering method.

IPC Classes  ?

  • C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof

93.

FIBERS FOR HAIR, METHOD FOR PRODUCING SAME, FIBER TREATMENT AGENT AND HAIR ACCESSORY

      
Application Number 18724921
Status Pending
Filing Date 2022-12-08
First Publication Date 2025-02-27
Owner Denka Company Limited (Japan)
Inventor
  • Asanuma, Koji
  • Tsuda, Shiori

Abstract

A fiber for hair, having a base fiber, and a cationic surfactant and a nonionic surfactant which are present in at least a part of a surface of the base fiber, in which the cationic surfactant has a carbon chain having 18 to 22 carbon atoms, the nonionic surfactant has a carbon chain having 10 to 20 carbon atoms, an HLB value of the nonionic surfactant is 14.0 to 19.0, a content of the cationic surfactant is 3 to 20% by mass based on the total amount of the nonionic surfactant, and a total amount of the cationic surfactant and the nonionic surfactant is 0.002 to 4% by mass based on the total amount of the fiber for hair.

IPC Classes  ?

94.

BORON NITRIDE PARTICLES AND HEAT DISSIPATION SHEET

      
Application Number 18723859
Status Pending
Filing Date 2022-12-23
First Publication Date 2025-02-27
Owner Denka Company Limited (Japan)
Inventor
  • Sasaki, Yusuke
  • Miyata, Kenji
  • Nakashima, Michiharu

Abstract

The boron nitride particle of the present invention in cross section includes a streaky void. The heat dissipation sheet of the present invention is obtained by forming a thermally conductive resin composition including the boron nitride particle of the present invention and a resin. According to the present invention, a boron nitride particle having a small porosity and a heat dissipation sheet including the boron nitride particle can be provided.

IPC Classes  ?

  • C01B 21/064 - Binary compounds of nitrogen with metals, with silicon, or with boron with boron
  • C08K 3/38 - Boron-containing compounds

95.

COMPOSITION, MOLDED BODY AND CURED BODY, AND LAMINATE

      
Application Number JP2024029443
Publication Number 2025/041755
Status In Force
Filing Date 2024-08-20
Publication Date 2025-02-27
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Kanto, Ryosuke
  • Kaneko, Eri
  • Onuki, Suguru
  • Niwa, Ryota
  • Hisha,yuki
  • Ishigaki, Yuhei

Abstract

The present disclosure provides an insulating material capable of achieving both sufficiently high heat dissipation and sufficiently low dielectric loss tangent and dielectric constant. Specifically, this composition contains (a) a specific copolymer of an olefin, an aromatic vinyl compound, and an aromatic polyene, and (b) boron nitride particles, the composition being characterized in that the volume ratio of the component (a) to the component (b) is within the range of 98-15:2-85; the value of the dielectric loss tangent of a cured body of the composition at a measurement frequency of 35-42 GHz as determined by a split cylinder resonator method is 2 × 10-3 or less; and the thermal conductivity of the cured body of the composition as determined by a laser flash method at 23°C is 0.6 [W/m·K] or more.

IPC Classes  ?

  • C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
  • B32B 15/082 - 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 vinyl resinsLayered 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 acrylic resins
  • C08F 255/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group
  • 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
  • C08K 3/38 - Boron-containing compounds

96.

ADHESIVE TAPE AND WIRE HARNESS

      
Application Number JP2024028577
Publication Number 2025/037591
Status In Force
Filing Date 2024-08-08
Publication Date 2025-02-20
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ishida, Yasunori
  • Hasumi, Mizuki

Abstract

The present invention addresses the problem of providing an adhesive tape that exhibits superior wear resistance and flexibility, as well as excellent bleed-out resistance. An adhesive tape according to one embodiment of the present invention has a substrate layer and an adhesive layer formed on at least one surface of the substrate layer. The substrate layer is composed of a resin composition containing a polyvinyl chloride resin, a plasticizer, a filler, and an elastomer. The content of the plasticizer in the resin composition is 14.0 mass % or more but less than 20.0 mass %. The adhesive tape has a tensile elongation at break of 650-1000 % at 80 °C.

IPC Classes  ?

  • C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
  • C09J 7/38 - Pressure-sensitive adhesives [PSA]
  • H01B 7/00 - Insulated conductors or cables characterised by their form

97.

ADHESIVE TAPE AND WIRE HARNESS

      
Application Number JP2024028579
Publication Number 2025/037593
Status In Force
Filing Date 2024-08-08
Publication Date 2025-02-20
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ishida, Yasunori
  • Hasumi, Mizuki

Abstract

The present invention addresses the problem of providing an adhesive tape having excellent lightness, wear resistance, expandability, and hand-cutting properties. An embodiment of the present invention relates to an adhesive tape having a substrate layer and an adhesive layer formed on at least one surface of the substrate layer. The substrate layer is composed of a resin composition containing a polyvinyl chloride resin, a plasticizer, and a filler. The thickness of the substrate layer is 125-330 μm. A plurality of slits and/or notches are provided on at least one end in the width direction of the adhesive tape, and the depth S of the slits and/or notches with respect to the width W of the adhesive tape satisfies S/W = 0.010-0.25. Further, the breaking energy of the adhesive tape at 23°C when the slits and/or notches are not provided is 70 MJ/m3 or more.

IPC Classes  ?

  • C09J 7/24 - PlasticsMetallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • B32B 27/00 - Layered products essentially comprising synthetic resin
  • C09J 7/38 - Pressure-sensitive adhesives [PSA]
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds
  • H01B 7/00 - Insulated conductors or cables characterised by their form

98.

ADHESIVE TAPE AND WIRE HARNESS

      
Application Number JP2024028575
Publication Number 2025/037590
Status In Force
Filing Date 2024-08-08
Publication Date 2025-02-20
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ishida, Yasunori
  • Hasumi, Mizuki

Abstract

The present invention addresses the problem of providing an adhesive tape having exceptional abrasion resistance and flexibility and furthermore having exceptional bleed-out resistance. One aspect of the present invention is an adhesive tape having a base material layer and an adhesive layer formed on at least one surface of the base material layer. The base material layer is configured from a resin composition containing a polyvinyl chloride resin, a plasticizer, a filler, and an elastomer. The plasticizer content of the resin composition is at least 14.0 mass% and less than 20.0 mass%. The adhesive tape has a breaking energy of 70 MJ/m3to 200 MJ/m3 at 23°C.

IPC Classes  ?

  • C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
  • C09J 7/38 - Pressure-sensitive adhesives [PSA]
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds
  • H01B 7/00 - Insulated conductors or cables characterised by their form

99.

ADHESIVE TAPE AND WIRE HARNESS

      
Application Number JP2024028578
Publication Number 2025/037592
Status In Force
Filing Date 2024-08-08
Publication Date 2025-02-20
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Ishida, Yasunori
  • Hasumi, Mizuki

Abstract

The present invention addresses the problem of providing an adhesive tape that exhibits superior wear resistance and flexibility, as well as excellent bleed-out resistance. An adhesive tape according to one embodiment of the present invention has a substrate layer and an adhesive layer formed on at least one surface of the substrate layer. The substrate layer is composed of a resin composition containing a polyvinyl chloride resin, a plasticizer, a filler, and an elastomer. The content of the plasticizer in the resin composition is 14.0 mass % or more but less than 20.0 mass %. The content of the filler in the resin composition is 10.0 mass % to 32.0 mass %.

IPC Classes  ?

  • C09J 7/24 - PlasticsMetallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • C09J 7/38 - Pressure-sensitive adhesives [PSA]
  • C09J 201/00 - Adhesives based on unspecified macromolecular compounds
  • H01B 7/00 - Insulated conductors or cables characterised by their form

100.

METHOD FOR PRODUCING PROTEIN IN BACULOVIRUS EXPRESSION SYSTEM

      
Application Number 18719514
Status Pending
Filing Date 2022-12-27
First Publication Date 2025-02-13
Owner DENKA COMPANY LIMITED (Japan)
Inventor
  • Narahara, Tomohiro
  • Mitsumata, Ryotaro

Abstract

A method for producing a protein expressed with excellent efficiency in the baculovirus expression system. A method for producing a protein in a baculovirus expression system, including a step of adding a calcium salt to a culture medium after a recombinant baculovirus is inoculated into an insect cell.

IPC Classes  ?

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