US Patent Issued to PPG Industries Ohio on Sept. 16 for "Methods of preparing coated substrates and non-aqueous, curable film-forming compositions used therefor" (Pennsylvania Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,887, issued on Sept. 16, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Methods of preparing coated substrates and non-aqueous, curable film-forming compositions used therefor" was invented by David N. Walters (Slippery Rock, Pa.), David Joseph Fortman (Pittsburgh) and Scott William Sisco (Glenshaw, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to non-aqueous, curable film-forming compositions comprising: a) an anhydride functional compound; b) at least one of: (i) a hydroxyl functional compound having at least two hydroxyl functional groups and (ii) a carbodiimide functional compound; and c) hydrolyza...