US Patent Issued to Eastman Chemical on Oct. 7 for "Thermosetting coating composition with improved scratch resistance" (Tennessee Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,238, issued on Oct. 7, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Thermosetting coating composition with improved scratch resistance" was invented by Jianhui Zhou (Kingsport, Tenn.) and Stacey James Marsh (Church Hill, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to aliphatic, carbamate-functional polyester resins for use in coatings. More particularly this invention relates to aliphatic, carbamate-functional polyester resins containing 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) that exhibit improved scratch resistance and acid etch resistance when formulated into 2K automotive clearcoats. These carba...