Patents by Inventor Yoiti Yonehara

Yoiti Yonehara 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).

  • Siloxane polymer antifouling paint composition containing polysiloxanes
    Patent number: 4910252
    Abstract: An antifouling paint composition comprising as a film-forming component a vinyl-type copolymer obtained by copolymerization of(A) 1 to 50% by weight of a specific polymerizable unsaturated polysiloxane compound,(B) 0 to 30% by weight of a specific polymerizable unsaturated alkoxysilane compound, and(C) 20 to 99% by weight of a polymerizable unsaturated vinyl monomer other than the compounds (A) and (B) above.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: March 20, 1990
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Yoiti Yonehara, Kiyoshi Nanishi