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. 01, 1997
Filed:
Aug. 08, 1995
Applicant:
Inventors:
Katsuhiko Sho, Mino, JP;
Masahiro Nishio, Kadoma, JP;
Koichi Saitoh, Kyoto, JP;
Kei Aoki, Ikoma, JP;
Tohru Yagi, Kyoto, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523411 ; 523408 ; 523413 ; 523412 ; 525301 ; 525302 ;
Abstract
A water-based coating composition which cures through a Michael reaction at room temperature is provided. The composition comprises (a) an aqueous emulsion of an acrylic copolymer having a plurality of activated methylene groups in the molecule, (b) an aqueous dispersion or solution of a compound having a plurality of ethylenic unsaturations in the molecule, and (c) a compound capable of catalyzing the Michael reaction.