Patents by Inventor Katsuji Takase

Katsuji Takase 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).

  • Anticorrosion primer coating composition
    Patent number: 4111884
    Abstract: The present invention relates to an anticorrosion primer coating composition comprising (i) a polyvinyl butyral resin, (ii) a mixture of a borate compound and a molybdate compound or a polyphosphate compound, and (iii) phosphoric acid.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: September 5, 1978
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Katsuji Takase, Toshimoto Tsuji, Jun-ichi Fukuda, Yasuchika Hiyamori
  • Anticorrosion primer coating composition
    Patent number: 4098749
    Abstract: The present invention relates to an anticorrosion primer coating composition comprising (i) a polyvinyl butyral resin, (ii) an organo functional silane, (iii) at least one member selected from the group consisting of inorganic borate compounds and polyphosphate compounds, and (iv) phosphoric acid.
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: July 4, 1978
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Minoru Hoshino, Toshio Shinohara, Yukio Kawahara, Katsuji Takase, Toshimoto Tsuji, Jun-ichi Fukuda