Patents by Inventor Kiochi Takakura

Kiochi Takakura 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).

  • Hydrophilic-hydrophobic graft copolymers for self-reinforcing hydrogels
    Patent number: 4279795
    Abstract: Materials for forming a hydrogel when contacted with water having improved anti-thrombogenic properties and a highly improved mechanical strength are obtained by the copolymerization of a free radical-polymerizable vinyl monomer capable of forming a hydrophilic polymer and a hydrophobic macromolecular compound having a chain-terminated polymerizable double bond and a molecular weight of 1,000 to 100,000.
    Type: Grant
    Filed: December 28, 1973
    Date of Patent: July 21, 1981
    Assignee: Kuraray Co., Ltd.
    Inventors: Shuzo Yamashita, Kyoichiro Shibatani, Kiochi Takakura, Kiyokazu Imai