Patents by Inventor Shizuyoshi Ikenaga

Shizuyoshi Ikenaga 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).

  • Process for polymeric modification of a fiber
    Patent number: 4065598
    Abstract: A process for imparting antistatic, soil release and water-absorbing properties to a synthetic fiber structure which comprises adhering the following agent (A) or (B): to the fiber structureA. a compound selected from the group consisting of diacrylate, dimethacrylate, triacrylate and trimethacrylate compound having a polyalkylene oxide segment which has a molecular weight of from 400 to 10,000 and which includes an alkylene substituent selected from the group consisting of ethylene groups, propylene groups and a mixture of ethylene groups and propylene groupsB. a mixture ofA.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: December 27, 1977
    Assignee: Toray Industries, Inc.
    Inventors: Kooji Takahashi, Tatsuji Kojima, Teruo Ishikawa, Kimio Nakamura, Shizuyoshi Ikenaga
  • Melt-resistant synthetic fiber and process for preparation thereof
    Patent number: 3950589
    Abstract: A melt-resistant synthetic fiber is produced by adhering to said fiber a mixed aqueous solution of a melamine derivative compound and an acidic catalyst, and thereafter heat-treating in the presence of moisture, whereby the surface of said synthetic fiber is covered with a heat-resistant film.
    Type: Grant
    Filed: February 8, 1973
    Date of Patent: April 13, 1976
    Assignee: Toray Industries, Inc.
    Inventors: Masayuki Togo, Jiyuuro Takahashi, Tamotsu Nakashima, Shizuyoshi Ikenaga