ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,835, issued on June 3, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Coating compositions having improved corrosion resistance" was invented by Michael A. Mayo (Pittsburgh), Nicole L Rakers (Wexford, Pa.), Elizabeth A. Furar (Pittsburgh), John R. Schneider (Allison Park, Pa.), Venkateshwarlu Kalsani (Gibsonia, Pa.), Troy J. Larimer (North Huntingdon, Pa.), Kamlesh J. Sheth (Monroeville, Pa.), James E McCarthy (Pittsburgh), Victor F. Georgic (Pittsburgh), Mary Lyn Chong Lim (Allison Park, Pa.) and Arif Mubarok (Allison Park, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed towards curable film-forming coati...