Patents by Inventor Yasuhiro Kanba

Yasuhiro Kanba 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).

  • Ethylene-acrylic copolymer rubber composition
    Patent number: 7056986
    Abstract: An ethylene-acrylic copolymer rubber composition, which comprises (A) a carboxyl group-containing ethylene-acrylic copolymer rubber, (B) at least one monoamine compound selected from the group consisting of a primary amine, a secondary amine and a tertiary amine, (C) a guanidine type compound, and (D) at least one of an aromatic diamine compound expressed by the following structural formula (1), H2N—Ph-M-Ph—NH2: ??structural formula (1) wherein M is O, S, SO2, CONH, or O—R—O in which R is Ph, Ph—Ph, Ph—SO2—Ph, (CH2)m, (CH2)C(CH3)2(CH2), or Ph—C(CX3)2—Ph, and m=3–5, X=H or F and Ph=benzene ring.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: June 6, 2006
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yasuhiro Kanba, Yasushi Abe, Shogo Hagiwara, Masao Koga
  • Ethylene-acrylic copolymer rubber composition
    Publication number: 20040266922
    Abstract: An ethylene-acrylic copolymer rubber composition, which comprises (A) a carboxyl group-containing ethylene-acrylic copolymer rubber, (B) at least one monoamine compound selected from the group consisting of a primary amine, a secondary amine and a tertiary amine, (C) a guanidine type compound, and (D) at least one of an aromatic diamine compound expressed by the following structural formula (1),
    Type: Application
    Filed: April 29, 2004
    Publication date: December 30, 2004
    Applicant: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yasuhiro Kanba, Yasushi Abe, Shogo Hagiwara, Masao Koga