ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,554, issued on Feb. 11, was assigned to PRC-DESOTO INTERNATIONAL INC. (Sylmar, Calif.).
"Electrodepositable coating composition" was invented by Christopher A. Dacko (Pittsburgh), Michael A. Mayo (Pittsburgh), Gregory J. McCollum (Allison Park, Pa.), Robin M. Peffer (Valencia, Pa.) and Se Ryeon Lee (Pittsburgh).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a phosphated epoxy resin comprising at least one terminal group comprising a phosphorous atom covalently bonded to the resin by a carbon-phosphorous bond or by a phosphoester linkage; and at least one carbamate functional group. The present invention is also di...