Patents by Inventor Kazuhiko Motomatsu

Kazuhiko Motomatsu 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).

  • Thermoplastic resin composition comprising styrenic polymer and olefin/unsaturated acid anhydride/unsaturated acid alkyl ester polymer
    Patent number: 4734456
    Abstract: A thermoplastic resin composition having excellent and well balanced physical properites such as chemical resistance, drop weight impact resistance and thermal stability which comprises (A) a styrenic polymer and (B) a ternary polymer comprising 50 to 98.5% by weight of an olefin, 0.5 to 10% by weight of an unsaturated dicarboxylic acid anhydride and 1 to 40% by weight of an unsaturated carboxylic acid alkyl ester, the weight proportion of the styrenic polymer (A) and the ternary polymer (B) being 100:0.5-200.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: March 29, 1988
    Assignee: Sumitomo Naugatuck Co., Ltd.
    Inventors: Kazuhiko Motomatsu, Mikio Kodama, Hiromichi Aoki, Ichiro Sato