Patents by Inventor Nobuhiro Kenmotsu

Nobuhiro Kenmotsu 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).

  • Epoxy resin composition cured by reaction product of phenol carboxylic acids with polyamino compounds
    Patent number: 4177174
    Abstract: An epoxy resin coating composition comprising (i) an epoxy resin containing in the molecule at least 2 epoxy groups and (ii) a reaction product formed by condensing an amino compound containing in the molecule at least 2 nitrogen atoms and active hydrogen atoms bonded thereto with 5 to 30% by weight, based on said amino compound, of at least one compound selected from the group consisting of phenol-carboxylic acids and esters thereof.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: December 4, 1979
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masaaki Hayashi, Kazuyoshi Tsuneta, Hiroshi Takada, Nobuhiro Kenmotsu, Hiroharu Sasaki