The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 1997
Filed:
Dec. 21, 1994
Hiroyuki Tanaka, Mito, JP;
Seiji Tai, Hitachi, JP;
Koichi Kamijima, Hitachi, JP;
Yumiko Wada, Hitachi, JP;
Tsutomu Mamiya, Choshi, JP;
Makoto Murakami, Ibaraki-ken, JP;
Teruo Yoshida, Hitachi, JP;
Hitachi Chemical Company, Ltd., Tokyo, JP;
Abstract
A coating composition comprising (A) a polymer obtained by polymerizing (a1) one or more unsaturated acid anhydrides or unsaturated carboxylic acids and (a2) one or more other unsaturated monomers copolmerizable therewith, and (B) at least one compound selected from one or both of (b1) a compound group comprising amino-acids, compounds having one or more carboxyl groups in the molecule, compounds having both hydrophobic group and hydrophilic group in the molecule, chelate compounds, hydroxyl- or acetyl-substituted carboxylic acid esters, ion-exchangeable layer clay minerals and powers of inorganic materials which have been made lipophilic with an organic material, and (b2) a group of compound which is crystallizable and selected from polyether compounds, polyester compounds, polyether-polyester compounds, olefinic glycol compounds, acrylic esters, methacrylic esters and polycarbonate compounds, is useful for preparing an antifouling coating composition by mixing with a copper compound.