Patents by Inventor Junichi Kenmei

Junichi Kenmei 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).

  • Thermosettable heat-resistant resin compositions
    Patent number: 4705833
    Abstract: A thermosettable heat-resistant resin composition containing (A) an amino group-terminated imide compound produced by imidating an aromatic diamine with an aromatic tetracarboxylic anhydride at a diamine:anhydride molar ratio of from 1.2:1 to 4:1, and (B) an epoxy resin having at least two epoxy groups, the molar ratio of the amino group of the imide compound to the epoxy group of the epoxy resin being 1:1.6 to 1:2.6.
    Type: Grant
    Filed: December 24, 1985
    Date of Patent: November 10, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yasuhisa Saito, Hisao Takagishi, Katsuya Watanabe, Kohichi Okuno, Junichi Kenmei, Kunimasa Kamio