Patents by Inventor Haruyuki Kanehiro

Haruyuki Kanehiro 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).

  • Curable resinous composition comprising an unsaturated cycloacetal compound and a polythiol compound
    Patent number: 4119617
    Abstract: This invention relates to a resinous composition curable to an insoluble and infusible resin, which comprises: (i) a compound having at least 2 or more unsaturated cycloacetal groups per molecule, expressed by the formula, ##STR1## (ii) a compound having at least 2 or more mercapto groups (--SH) per molecule, said compound (i) and compound (ii) being mixed in the functional group ratio of 1 : 0.5 - 1.7 and the average total number of the unsaturated cycloacetal groups and mercapto groups being 4 or more.
    Type: Grant
    Filed: July 26, 1977
    Date of Patent: October 10, 1978
    Assignee: Showa Highpolymer Co., Ltd.
    Inventors: Toshiaki Hanyuda, Haruyuki Kanehiro, Kojiro Mori, Eiichiro Takiyama