US Patent Issued to Eastman Chemical on March 11 for "Polymer compositions with improved weathering resistance" (Tennessee Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,115, issued on March 11, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Polymer compositions with improved weathering resistance" was invented by Robert Erik Young (Kingsport, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a polymer composition comprising: (A) at least one polyester, and (B) a stabilizer composition comprising: (1) at least one primary antioxidant comprising at least one hindered phenolic antioxidant; (2) at least one secondary antioxidant comprising at least one phosphite; (3) at least one chain extending agent; (4) at least one ultraviolet light absorbing agent; and (5) at least one hind...