Patents by Inventor Kazunob Karino

Kazunob Karino 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 comprising a cyclopentadiene type resin and epoxy hardener
    Patent number: 4012458
    Abstract: An epoxy resin composition comprisingI. not more than 90% by weight of a cyclopentadiene type resin having a hydroxyl value of 100-300 and a softening point of 50.degree.-170.degree. C., said resin being that obtained by heat-polymerizing a monomeric mixture containing a cyclopentadiene monomer and a hydroxyl-containing monoolefinic monomer copolymerizable therewith.Ii. at least 10% by weight of an epoxy resin, andIii. an effective amount of an epoxy resin hardener.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: March 15, 1977
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Akira Wada, Kazunob Karino