ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,765, issued on July 22, was assigned to SOLVAY SPECIALTY POLYMERS USA LLC (Alpharetta, Ga.).
"Poly(arylene sulfide) polymers and corresponding polymer compositions and articles" was invented by Matthew Nielsen (Alpharetta, Ga.) and Stephane Jeol (Saint-Genis-Laval, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are poly(arylene sulfide) ("PAS") polymers (PASP) including recurring units formed from selected dihalofluorene monomers. Surprisingly, at relative low dihalofluorene monomer concentrations, the PAS polymers (PASP) have significantly increased glass transition temperatures ("Tg") and impact performance, relative to ana...