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:
Oct. 05, 1999
Filed:
Mar. 17, 1997
Yoshio Mori, Aichi, JP;
Shiro Kojima, Aichi, JP;
Toagosei Co., Ltd., Tokyo, JP;
Abstract
An aqueous resin composition for coating a metal, which can form a coating film having excellent water resistance and also having high hardness and excellent workability even after being subjected to a pressurized steam treatment is provided. The aqueous resin composition comprises (A) an aqueous copolymer obtained by neutralizing with a base carboxyl groups in a copolymer which is obtained by copolymerizing (a) a macromonomer which is a copolymer of N-alkoxymethyl (meth)acrylamide monomer units and other .alpha.,.beta.-ethylenically unsaturated monomer units, having a radically polymerizable group at one end thereof, (b) .alpha.,.beta.-ethylenically unsaturated carboxylic acid, (c) hydroxyalkyl (meth)acrylate, and (d) other .alpha.,.beta.-ethylenically unsaturated monomers, in specific proportions, and (B) an amino resin.