Patents by Inventor Taigi Watanabe

Taigi Watanabe 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).

  • Fiber and film forming polyester composition
    Patent number: 4067855
    Abstract: Polyester compositions suitable for fiber and film formation contain from 0.2 to 3.0% by weight of fine particles of uniform size and possess sufficient slippery tendency, appropriate opacity and crystallizing potential; said particles containing lithium and phosphorus as a lithium salt of a phosphoric acid ester constituent of short chain polyesters.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: January 10, 1978
    Assignee: Toray Industries, Inc.
    Inventors: Tsuneyoshi Miwa, Shinji Nakazawa, Masaaki Itoga, Keizo Sano, Itaru Nakamura, Taigi Watanabe, Yasuhiko Shingu