Valspar patents coating for metal substrates

July 24, 2012

U.S. 8,133,557 B2
Valspar Sourcing Inc. has obtained a patent for a can comprised of a body portion; and an end portion, wherein at least one of the body and end portions are aluminum and are coated on at least one major surface with a coating composition comprised of a blend of two or more polyester resins each formed by the reaction of one or more polyacid molecules and one or more polyol molecules, wherein the blend has between approximately 60%-90% weight polyester resin having a Tg less than 25° C and between about 10%-40% weight polyester resin having a Tg greater than 50° C; 2%-20% weight acrylate copolymer, based on the total weight of resin solids in the coating composition; and a crosslinker, and wherein the coating composition is substantially free of mobile BPA and aromatic glycidyl ether compounds.

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