Patent ID: 6461688
Filing Date: 2002-10-08
Classification: A61M,Y10T

Abstract:
A method of coating a metal substrate comprising:(a) applying a primer coating composition to at least one surface of the metal substrate; (b) heating the metal substrate having the primer coating composition applied thereon for a sufficient time and at a sufficient temperature to cure the primer coating composition and provide a primed metal substrate; (c) applying a coating composition to the primed metal substrate, said coating composition comprising: (i) about 45% to about 90%, by weight of nonvolatile material, of an acrylate copolymer having pendant hydroxy groups; (ii) about 10% to about 40%, by weight of nonvolatile material, a hydroxy-terminated polyester; (iii) about 1% to about 25%, by weight of nonvolatile material, of a crosslinker; and (iv) a nonaqueous carrier; and (d) heating the primed metal substrate having the coating composition applied thereon for a sufficient time and at a sufficient temperature to remove the nonaqueous carrier from the composition and provide a crosslinked cured coating composition, wherein the composition is free of a halide-containing vinyl polymer.