Patents by Inventor Syuji Saeki

Syuji Saeki 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).

  • Flame retarder for organic high molecular compounds prepared from polycondensates of halogenated phenols
    Patent number: 4567242
    Abstract: Compounds useful as flame retarders for organic high molecular compounds are obtained by reacting a polycondensate of a halogenated phenol, e.g. a tribromophenol polycondensate, with a metal compound or organic compound having at least two functional groups capable of reacting with the terminal hydroxyl group of the polycondensate, e.g. an alkaline earth metal halide, an alkyl dihalide or an acyl dihalide.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: January 28, 1986
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Setsuo Nishibori, Hirohito Komori, Syuji Saeki, Hiromitsu Kinoshita