Patents by Inventor Akiharu Ogino

Akiharu Ogino 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).

  • Preparation of graft copolymer and paint use thereof
    Patent number: 4758645
    Abstract: Preparation of a graft copolymer prepared by reacting a cellulose ester and a mono- or di-ester of maleic or a fumaric acid, thereby obtaining a cellulose derivative bearing a polymerizable double bonding, and then copolymerizing said cellulose derivative with other copolymerizable monomer(s). The invention also includes a coating composition based on thus obtained graft copolymer.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: July 19, 1988
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Tadafumi Miyazono, Yoshio Eguchi, Akiharu Ogino, Haruhiko Sawada, Yoshitaka Okude
  • Preparation of graft copolymer and paint use thereof
    Patent number: 4714634
    Abstract: Preparation of a graft copolymer prepared by reacting a cellulose ester and a mono- or a di-ester of maleic or fumaric acid, thereby obtaining a cellulose derivative bearing a polymerizable double bonding, and then copolymerizing said cellulose derivative with other copolymerizable monomer(s). The invention also includes a coating composition based on the thus obtained graft copolymer.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: December 22, 1987
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Tadafumi Miyazono, Yoshio Eguchi, Akiharu Ogino, Haruhiko Sawada, Yoshitaka Okude