Patents by Inventor Hiroshi Danbara

Hiroshi Danbara 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 unsaturated alkyd and unsaturated cycloacetal
    Patent number: 4134884
    Abstract: This invention relates to a curable resinous composition which comprises (I) 100 parts by weight of unsaturated alkyd obtained by the condensation reaction of an .alpha., .beta.-unsaturated polycarboxylic acid or its anhydride with polyhydric alcohol or alkylene oxide and (II) 1 - 200 parts by weight of an unsaturated cycloacetal obtained by the condensation reaction of an unsaturated aldehyde with a polyhydric alcohol.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: January 16, 1979
    Assignee: Showa Highpolymer Co., Ltd.
    Inventors: Eiichiro Takiyama, Yasuji Komatsu, Hiroshi Danbara