Patents by Inventor Suetsugu Mitsusada

Suetsugu Mitsusada 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).

  • Polyester resin for antifouling paint and antifouling paint containing the resin
    Patent number: 6395866
    Abstract: A polyester resin for an antifouling paint which contains a structural unit of the formula (I) wherein R1 is H or alkyl having 1 to 3 carbon atoms, R2 is H or methyl and n is an integer of 0-4, in a proportion of not less than 90 mol % and a metal in the main chain at a concentration of 10-300 eq/106 g, and which has an acid value of 20-1000 eq/106 g. A combined use of the polyester resin with a natural antifouling agent affords a paint with extremely less burden on the marine environment.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: May 28, 2002
    Assignees: Toyo Boseki Kabushiki Kaisha, Ishikawajima-Harima Heavy Industries Co., Ltd., Nippon Paint Marine Coatings Co., Ltd.
    Inventors: Takashi Miyamoto, Takeshi Ito, Katsuya Shimeno, Miyako Shibazaki, Kenichi Akamine, Yoshitaka Hayashi, Suetsugu Mitsusada