Patent ID: 7226971

Claim:
A carbamate-functional, polyester resin for use in a coating composition, said polyester resin comprising the reaction product of: a star polyol comprising at least 4 hydroxyl groups; a lactone compound reactive with said first plurality of hydroxyl groups to form a first intermediate compound terminating with a second plurality of hydroxyl groups, wherein either 4 moles of lactone or 8 moles of lactone are reacted with the hydroxyl groups of the star polyol; a carboxylic acid anhydride reactive with said second plurality of hydroxyl groups to form a second intermediate compound terminating with at least one carboxyl group; an epoxy compound comprising at least one epoxy group reactive with said at least one carboxyl group of said second intermediate compound to form a third intermediate compound terminating with a third plurality of hydroxyl groups; and a carbamate compound comprising at least one carbamate group reactive with said third plurality of hydroxyl groups to form said polyester resin with carbamate functionality.