Patents by Inventor Nobuhide Shiraishi

Nobuhide Shiraishi 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).

  • Hot melt adhesive composition for hot melt bonding of fibrous or surface-porous materials
    Patent number: 4081414
    Abstract: A hot melt adhesive composition consisting essentially of 100 parts by weight of polybutadiene having a 1,2-bond structure content of not less than 70% and a crystallinity of not less than 10%, from 50 to 1000 parts by weight of at least one inorganic filler, from 10 to 300 parts by weight of at least one tackifier, and at least one plasticizer and/or at least one flow improving agent, said composition having melt viscosity of from 50 to 50000 poises within a temperature range from 100.degree. to 150.degree. C.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: March 28, 1978
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Mitsuo Abe, Tetsuo Murata, Minoru Furuichi, Nobuhide Shiraishi, Shohei Wada, Seiji Tai, Tsukasa Maeda