Toyota patents self-stratifying automotive topcoat

January 19, 2012

U.S. 7,863,375 B2

Toyota Motor Engineering and Manufacturing North America, Inc. has obtained a patent for a process for preparing a coating composition. The process is comprised of contacting a polyol, a silsesquioxane, a polyurethane dendrimer, and a crosslinker, wherein the polyol, the silsesquioxane, the polyurethane dendrimer and the crosslinker are dispersed within a solvent; and forming a self-stratifying coating.