Patents by Inventor Yoshitugu Nakamura

Yoshitugu 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).

  • Fire-retardant thermoplastic polyester resin compositions and method for imparting fire retardancy to polyester resins
    Patent number: 4102853
    Abstract: A fire-retardant thermoplastic polyester resin composition free from "dripping" comprising(A) 100 parts by weight of an aromatic polyester resin,(B) from 0.5 to 100 parts by weight of an alkaline earth metal carbonate, and(C) from 0.5 to 50 parts by weight of a fire retardant.
    Type: Grant
    Filed: October 15, 1975
    Date of Patent: July 25, 1978
    Assignee: Teijin Limited
    Inventors: Takeo Kawamura, Noritsugu Saiki, Yoshitugu Nakamura, Michiyuki Tokashiki