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:
May. 17, 2005
Filed:
Apr. 03, 2002
Yuji Hirose, Hiratsuka, JP;
Reijiro Nishida, Chigasaki, JP;
Keiji Inomata, Hiratsuka, JP;
Hideo Yokoi, Hiratsuka, JP;
Yuji Hirose, Hiratsuka, JP;
Reijiro Nishida, Chigasaki, JP;
Keiji Inomata, Hiratsuka, JP;
Hideo Yokoi, Hiratsuka, JP;
Kansai Paint Co., Ltd., Amagasaki, JP;
Abstract
A water-based coating composition for the inner surface of cans which comprises an aqueous medium and dispersed therein an acrylic-modified polyester resin (C) obtained by graft-polymerizing one or more polymerizable unsaturated vinyl monomers (B) comprising a carboxylated polymerizable unsaturated monomer with a polyester resin (A) having a number-average molecular weight of 2,000 to 100,000 and a hydroxyl value of 10 to 120 mg-KOH/g and containing ethylenically unsaturated double bonds, the resin (C) being in a neutralized form, and which further contains a resol resin crosslinking agent (D) in an amount of 1 to 40 parts by weight per 100 pans by weight of the acrylic-modified polyester resin (C): and a method of coating the inner surface of a can with the water-based coating composition.