Patent No. U.S. 7,259,206 B2
Nippon Paint Company has been granted a patent for a waterborne resin composition comprised of a hydrolysable functional group and a polymerizable unsaturated carbon bond, wherein the waterborne resin composition contains at least one species selected from the group consisting of a polyamide-imide resin, a polyamide resin and a polyimide resin as a base resin, and wherein the hydrolysable functional group is an onium group.