Coating processes – Interior of hollow article coating – Metal base
Reexamination Certificate
2005-05-17
2005-05-17
Cameron, Erma (Department: 1762)
Coating processes
Interior of hollow article coating
Metal base
C427S388400
Reexamination Certificate
active
06893678
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.
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European Search Report dated May 13, 2004, for EP1384764.
Hirose Yuji
Inomata Keiji
Nishida Reijiro
Yokoi Hideo
Armstrong Kratz Quintos Hanson & Brooks, LLP
Cameron Erma
Kansai Paint Co. Ltd.
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