Patents by Inventor Katuyuki Nakamura

Katuyuki Nakamura 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).

  • Polyester composition and production thereof
    Patent number: 4524191
    Abstract: A polyester composition for molding having improved molding properties is disclosed, comprising 100 parts by weight of a polyester comprising mainly polyethylene terephthalate and 0.05 to 10 parts by weight of an aromatic polyamide as a nucleating agent which is uniformly dispersed in the polyester in a substantial size of 50 .mu.m or less. A process for producing the polyester composition is also disclosed.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: June 18, 1985
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Katuyuki Nakamura, Kazuya Neki
  • Polyester composition and production thereof
    Patent number: 4417021
    Abstract: A polyester composition for molding having improved molding properties is disclosed, comprising 100 parts by weight of a polyester comprising mainly polyethylene terephthalate and 0.05 to 10 parts by weight of a specific type of polyamide as a nucleating agent which is uniformly dispersed in the polyester in a substantial size of 50 .mu.m or less. A process for producing the polyester composition is also disclosed.
    Type: Grant
    Filed: April 8, 1981
    Date of Patent: November 22, 1983
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventor: Katuyuki Nakamura