Patents by Inventor Shoji Hashiguchi

Shoji Hashiguchi 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).

  • Ultraviolet-stable copolymer, process for producing the same, and coating composition containing the same
    Patent number: 5239028
    Abstract: Provided herein are a copolymer obtained by copolymerizing at least an ultraviolet-stable polymerizable monomer and a cycloalkyl group-containing polymerizable monomer, a process for producing said copolymer, and a coating composition containing said copolymer. The copolymers retains outstanding weather resistance over a long period of time owing to the multiplicated effect of an ultraviolet-stable monomer and a cycloalkyl group-containing polymerizable monomer, and the coating composition containing the copolymer forms a coating film having superior gloss, buildability, solvent resistance, and chemical resistance.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: August 24, 1993
    Assignee: Nippon Shokubai, Co.
    Inventors: Hiroo Nakagawa, Tatsuhito Matsuda, Masato Adachi, Mitsuo Nakazaki, Takahiro Aoyama, Shoji Hashiguchi, Masaya Yoshida