Patents by Inventor Masamichi ENDO

Masamichi ENDO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MALEIMIDE COPOLYMER
    Publication number: 20230294346
    Abstract: A maleimide-based copolymer having superior dispersibility during melt extrusion and kneading. A maleimide-based copolymer having an average particle diameter of 75 ?m or larger and a cumulative oversize at 1000 ?m of lower than 5 mass %.
    Type: Application
    Filed: September 22, 2021
    Publication date: September 21, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Kohei NISHINO, Masamichi ENDO
  • Copolymer for polymer blend compatibilizer and resin composition
    Patent number: 10344104
    Abstract: An object of the present invention is to provide a copolymer for a compatibilizer capable of increasing impact resistance strength, heat resistance and toughness without lowering fluidity. The copolymer for a compatibilizer contains polyamide resin and at least one resin selected from ABS resin, SAN resin, ASA resin, AES resin. A resin composition comprising 0.5 to 11 mass % of copolymer (A) for a polymer blend compatibilizer, 25 to 60 mass % of polyamide resin (B), and 29 to 74.5 mass % of resin (C) is formed. The resin (C) is at least one resin selected from ABS resin, SAN resin, ASA resin, and AES resin. The copolymer (A) for a polymer blend compatibilizer has 30 to 60 mass % of a maleimide-based monomer unit, 35 to 69 mass % of a styrene-based monomer unit, 1 to 5 mass % of unsaturated dicarboxylic anhydride monomer unit, and has a weight average molecular weight (Mw) of 60,000 to 125,000.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: July 9, 2019
    Assignee: DENKA COMPANY LIMITED
    Inventors: Yuichi Shindo, Kohhei Nishino, Masamichi Endo, Yoshinari Kurokawa
  • COPOLYMER FOR POLYMER BLEND COMPATIBILIZER AND RESIN COMPOSITION
    Publication number: 20180134820
    Abstract: An object of the present invention is to provide a copolymer for a compatibilizer capable of increasing impact resistance strength, heat resistance and toughness without lowering fluidity. The copolymer for a compatibilizer contains polyamide resin and at least one resin selected from ABS resin, SAN resin, ASA resin, AES resin. A resin composition comprising 0.5 to 11 mass % of copolymer (A) for a polymer blend compatibilizer, 25 to 60 mass % of polyamide resin(B), and 29 to 74.5 mass % of resin (C) is formed. The resin (C) is at least one resin selected from ABS resin, SAN resin, ASA resin, and AES resin. The copolymer (A) for a polymer blend compatibilizer has 30 to 60 mass % of a maleimide-based monomer unit, 35 to 69 mass % of a styrene-based monomer unit, 1 to 5 mass % of unsaturated dicarboxylic anhydride monomer unit, and has a weight average molecular weight (Mw) of 60,000 to 125,000.
    Type: Application
    Filed: May 18, 2016
    Publication date: May 17, 2018
    Applicant: Denka Company Limited
    Inventors: Yuichi SHINDO, Kohhei NISHINO, Masamichi ENDO, Yoshinari KUROKAWA