Patents Assigned to DENKA COMPANY LIMITED
  • Publication number: 20230025987
    Abstract: An immersion-molded body, wherein: the immersion-molded body is obtained using a latex; the latex comprises a chloroprene-based block copolymer; the chloroprene-based block copolymer contains 5 to 30% by mass of a polymer block (A) and 70 to 95% by mass of a chloroprene-based polymer block (B); the polymer block (A) is derived from a monomer; when the monomer is polymerized alone, a polymer with a glass transition temperature of 80° C. or higher can be obtained; the chloroprene-based polymer block (B) includes a chloroprene monomer unit; and when the immersion-molded body is heat-treated at 130° C. for 30 minutes, a tensile strength at break of the heat-treated immersion-molded body measured in accordance with JIS K6251 is 17 MPa or more.
    Type: Application
    Filed: March 22, 2021
    Publication date: January 26, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Yushi KUMAGAI, Wataru NISHINO, Yutaka SAITO, Naoki KOBAYASHI
  • Publication number: 20230023832
    Abstract: A laminate has an olefin-aromatic vinyl compound-aromatic polyene copolymer and a metal foil. The number average molecular copolymer weight is between 5000 and 100000; the aromatic vinyl compound monomer is aromatic vinyl compound having between 8 and 20 carbon atoms, and the aromatic vinyl compound monomer unit content is between 10 and 60 mass %; the aromatic polyene is selected having between 5 and 20 carbon atoms and vinyl and/or vinylene groups in the molecule, the content derived from the aromatic polyene unit is between 1.5 and 20 pieces per number average molecular weight; and the olefin is selected having between 2 and 20 carbon atoms, being ethylene alone, or having a mass ratio of ?-olefin monomer components other than ethylene to an ethylene monomer component contained in the olefin, of 1/7 or less, and the total monomer units of the olefin, aromatic vinyl compound, and aromatic polyene is 100 mass %.
    Type: Application
    Filed: December 1, 2020
    Publication date: January 26, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Toru ARAI, Shota YAMAMOTO, Hiroaki NISHIMURA, Azusa YAGI
  • Publication number: 20230017856
    Abstract: A method of producing a resin sheet, including: mixing blocky boron nitride particles A, blocky boron nitride particles B, and a resin composition, and molding the resin composition to a sheet form and pressurizing the sheet form resin composition, the boron nitride primary particles a having a length in a shorter direction of 0.7 ?m or less, the boron nitride primary particles b having a length in a shorter direction of 1 ?m or more, the blocky boron nitride particles A having an average particle diameter of 30 ?m or more, the blocky boron nitride particles B having an average particle diameter that is smaller than the average particle diameter of the blocky boron nitride particles A, the compressive strengths ratio of the blocky boron nitride particles A to the blocky boron nitride particles B being 1.2 or more. Thus, the thermal conductivity of a resin sheet can be enhanced.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 19, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Yusuke SASAKI, Kenji MIYATA, Michiharu NAKASHIMA
  • Publication number: 20230013290
    Abstract: An acrylic rubber containing 100 parts by mass of an alkyl acrylate and 30 parts by mass or more of an alkyl methacrylate, as monomer units.
    Type: Application
    Filed: December 3, 2020
    Publication date: January 19, 2023
    Applicant: Denka Company Limited
    Inventors: Tatsuya NAKANO, Yuya KAMBE, Toshiaki MIYAUCHI
  • Publication number: 20230015862
    Abstract: A liquid humic acid extract that does not form precipitates when combined with a liquid fertilizer containing at least one of Mg, Fe, Zn and Mo and having an electric conductivity of 90 ms/cm or more. A liquid humic acid extract containing humic acid that has a mass-average molecular weight of 100 to 1,200, and having a total organic carbon concentration of 15,000 to 25,000 mg/L and a pH of 0.5 to 4.0. Preferably, the liquid humic acid extract contains a humic acid having a mass-average molecular weight of 100 to 1,200, and has a total organic carbon concentration of 15,000 to 25,000 mg/L and a pH of 0.5 to 4.0. A liquid humic acid extract that hardly forms precipitates and realizes an increase in the crop yield.
    Type: Application
    Filed: December 9, 2020
    Publication date: January 19, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Kazuma HONDA, Taiga SATO, Toshiharu ICHIJOH
  • Publication number: 20230002479
    Abstract: Provided are an anti-RS virus antibody with high sensitivity and a test reagent using the antibody. An anti-RS virus N protein monoclonal antibody, comprising a heavy chain variable region consisting of the amino acid sequence as set forth in SEQ ID NO: 1, and a light chain variable region consisting of the amino acid sequence as set forth in SEQ ID NO: 2, 3 or 4, or an antigen-binding fragment thereof.
    Type: Application
    Filed: November 11, 2020
    Publication date: January 5, 2023
    Applicant: Denka Company Limited
    Inventor: Miwa KUWAHARA
  • Publication number: 20230003724
    Abstract: Provided are a highly-sensitive antibody and a test reagent using the antibody. A method for detecting an analyte according to an immunoassay method, using a carrier on which an antigen, an antibody or an antigen-binding fragment thereof is immobilized, wherein the analyte is detected with increasing detection sensitivity by using a carrier to which an antigen, an antibody or an antigen-binding fragment thereof was immobilized by adding disaccharide and sugar alcohol to a solution comprising an antigen, an antibody or an antigen-binding fragment thereof.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 5, 2023
    Applicant: Denka Company Limited
    Inventor: Miwa KUWAHARA
  • Patent number: 11541645
    Abstract: A cover film having at least (A) a substrate layer, (B) an intermediate layer, (C) an adhesive layer, and (D) a heat seal layer having a heat sealable resin, a thermoplastic resin of the (D) heat sealing layer having a mixture of two types of (meth)acrylic acid ester copolymers having different glass transition temperatures and a hydrazide compound, wherein one of the (meth)acrylic acid ester copolymer in the (meth)acrylic acid ester copolymer mixture has a glass transition temperature of ?20 to 10° C. and the other (meth)acrylic acid ester copolymer has a glass transition temperature of 40 to 80° C.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 3, 2023
    Assignee: DENKA COMPANY LIMITED
    Inventors: Takanori Atsusaka, Akira Sasaki, Saori Niwa, Shun Uchiyama, Akihiro Yoshikawa
  • Publication number: 20220418111
    Abstract: Provided is a method for manufacturing an LCP film for a circuit substrate capable of achieving an LCP film for a circuit substrate having a low coefficient of linear thermal expansion and excellent dimensional stability, without excessively impairing excellent basic performance possessed by the liquid crystal polyester, such as mechanical characteristics, electrical characteristics, and heat resistance.
    Type: Application
    Filed: November 20, 2020
    Publication date: December 29, 2022
    Applicant: Denka Company Limited
    Inventors: Naoki OGAWA, Yusuke MASUDA
  • Publication number: 20220410530
    Abstract: One aspect of the present invention provides a composite sheet which comprises a nitride sintered body having a porous structure and a semi-cured product of a thermosetting resin composition impregnated into the nitride sintered body, the line roughness Rz specified by JIS B 0601:2013 of at least one main surface being 10 ?m or less.
    Type: Application
    Filed: October 21, 2020
    Publication date: December 29, 2022
    Applicant: Denka Company Limited
    Inventors: Yoshitaka MINAKATA, Tomoya YAMAGUCHI, Saori INOUE
  • Publication number: 20220403010
    Abstract: Provided are an anti-RS virus antibody with high sensitivity and a test reagent using the antibody. An anti-RS virus N protein monoclonal antibody or an antigen-binding fragment thereof, which is characterized in that it reacts with peptides consisting of the amino acid sequences as set forth in, at least, SEQ ID NOs: 30, 39, 40, 69, 70, 74, 75, 83, 84, 100, 101, and 113, among 127 peptide spots produced based on the amino acid sequence of the N protein of an RS virus.
    Type: Application
    Filed: November 11, 2020
    Publication date: December 22, 2022
    Applicant: Denka Company Limited
    Inventor: Miwa KUWAHARA
  • Publication number: 20220406678
    Abstract: A composite substrate includes, in this order: a ceramic plate; a metal layer containing at least one selected from the group consisting of aluminum and an aluminum alloy; and a thermal sprayed layer containing at least one selected from the group consisting of copper and a copper alloy, and an intermetallic compound containing copper and aluminum as constituent elements is scattered between the metal layer and the thermal sprayed layer.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 22, 2022
    Applicant: Denka Company Limited
    Inventors: Atsushi SAKAI, Masaya YUMIBA, Kentaro NAKAYAMA, Yoshitaka TANIGUCHI
  • Publication number: 20220403673
    Abstract: A method for reinforcing a concrete structure so as to have high substrate visibility and sufficient reinforcing performance. A fiber sheet for reinforcing a concrete structure, the sheet including: a framework in which a filament-based, multi-axial mesh sheet and a matrix resin are integrated, wherein the multi-axial mesh sheet has a base weight amount in a range of 500 g/m2 to 1000 g/m2.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 22, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Tomohiro YAMASHITA, Hiroaki NISHIMURA
  • Publication number: 20220402759
    Abstract: One aspect of the present disclosure provides a hexagonal boron nitride powder having a purity of 98 mass % or more and a specific surface area of less than 2.0 m2/g.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 22, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Go TAKEDA, Masao TSUICHIHARA, Takaaki TANAKA
  • Publication number: 20220399480
    Abstract: A phosphor plate including: a complex containing an ?-sialon phosphor and a sintered body containing spinel represented by a general formula M2xAl4-4xO6-4x (where M represents at least one of Mg, Mn, and Zn, and 0.2<x<0.6). In addition, there is provided a light emitting device including: a group III nitride semiconductor light emitting element; and the phosphor plate provided on one surface of the group III nitride semiconductor light emitting element. Further, there is provided a method for manufacturing the phosphor plate.
    Type: Application
    Filed: October 7, 2020
    Publication date: December 15, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Taiyo YAMAURA, Yuki KUBOTA, Kazuhiro ITO, Hideyuki EMOTO
  • Publication number: 20220396717
    Abstract: An adhesive tape can reduce percussive sounds or friction sounds, can prevent contamination of a covered article due to contamination by dirt or dust or intrusion by water or oil, has durability against puncture or friction, and easily bends after binding a covered article. The adhesive tape having a substrate including 100 parts by mass of a polyvinyl chloride and, with respect to the 100 parts by mass of the polyvinyl chloride, 10-100 parts by mass of an elastomer and 10-100 parts by mass of a plasticizer, wherein the elastomer includes an acrylonitrile monomer unit and at least one monomer unit selected from the group made of a chloroprene monomer unit, a butadiene monomer unit, and an isoprene monomer unit and the adhesive tape has an attenuation value of 2 dB or greater in an acoustic absorption test.
    Type: Application
    Filed: August 11, 2020
    Publication date: December 15, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Manabu MIURA, Daisuke YOSHIMURA, Naoki KOBAYASHI, Atsunori KONDO
  • Publication number: 20220392373
    Abstract: A mucosal tissue model which, by being provided with a simulated blood vessel and/or a pseudo abdominal cavity layer, reproduces hemorrhages and/or perforations that become problems in actual resections and dissections better than conventional organ models.
    Type: Application
    Filed: December 22, 2020
    Publication date: December 8, 2022
    Applicants: DENKA COMPANY LIMITED, TOHOKU UNIVERSITY
    Inventors: Mutsumi MATSUMOTO, Akira MIYAMA, Takeshi KANNO, Yutaro ARATA, Atsushi MASAMUNE
  • Publication number: 20220388845
    Abstract: One aspect of the present invention provides a boron nitride powder that contains aggregated particles formed through aggregation of primary particles of boron nitride. The cumulative pore volume of the boron nitride powder within a fine pore radius of 0.02-1.2 ?m as measured by a mercury porosimeter is 0.65 mL/g or less.
    Type: Application
    Filed: October 21, 2020
    Publication date: December 8, 2022
    Applicant: Denka Company Limited
    Inventors: Go TAKEDA, Haruka TAKEOKA, Takaaki TANAKA
  • Publication number: 20220392824
    Abstract: A heat-radiating sheet, in which when after sandwiching a heat-radiating grease between a heat-radiating sheet arranged on an aluminum plate and a glass plate, a heat cycle test is performed 100 cycles, an area ratio of an area of the heat-radiating grease after performing the heat cycle test of 100 cycles to an area of the heat-radiating grease before performing the heat cycle test is 1.0 to 2.0. A heat-radiating sheet laminate includes a heat-radiating sheet and a heat-radiating grease layer formed on the surface of the heat-radiating sheet. A structure includes the heat-radiating sheet, a heat-generating element, and the heat-radiating grease intervening between the heat-radiating sheet and the heat-generating element. A heat-radiating treatment method of a heat-generating element includes a step of applying a heat-radiating grease on the heat-radiating sheet and a step of arranging a heat-generating element on the heat-radiating sheet having the heat-radiating grease applied thereon.
    Type: Application
    Filed: September 24, 2020
    Publication date: December 8, 2022
    Applicant: DENKA COMPANY LIMITED
    Inventors: Kosuke WADA, Masahide KANEKO, Ryozo NONOGAKI
  • Publication number: 20220389201
    Abstract: An acrylic rubber composition containing: an acrylic rubber containing 100 parts by mass of an alkyl acrylate and 30 to 60 parts by mass of an alkyl methacrylate, as monomer units; a carbon black; a crosslinking agent; and a crosslinking accelerator.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicant: Denka Company Limited
    Inventors: Tatsuya NAKANO, Yuya KAMBE, Toshiaki MIYAUCHI