Patents by Inventor Masakazu Kitajima

Masakazu Kitajima 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).

  • Antifouling coating composition
    Patent number: 6201040
    Abstract: An antifouling coating composition which makes it possible to control the dissolution rate of a coating film and which can exert antifouling properties for a long period of time. An antifouling coating composition comprising an antifouling resin (A) obtained by reacting a base resin including, in one molecule, a carboxyl group and a group having a polyalkylene glycol structure with an oxide or a hydroxide of a divalent or more metallic atom in the presence of water in an amount of 1 to 30% by weight of the solid content of the base resin, and an antifouling agent (B).
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: March 13, 2001
    Assignee: Kansai Paint Co. Ltd
    Inventors: Masakazu Kitajima, Hiroshi Yamashita, Hiroyuki Kawai