ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,467, issued on Dec. 16, was assigned to Exxon Mobil Product Solutions Co. (Spring, Texas).

"Recycle content cellulose ester" was invented by David Eugene Slivensky (Tatum, Texas), Daryl Bitting (Longview, Texas), Kenny Randolph Parker (Afton, Tenn.), Michael Gary Polasek (Longview, Texas), William Lewis Trapp (Kingsport, Tenn.), Xianchun Wu (Longview, Texas), Wenlai Feng (Johnson City, Tenn.), Thomas Joseph Pecorini (Kingsport, Tenn.), Michael Eugene Donelson (Kingsport, Tenn.) and Haining An (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a recycle content cellulose ester and a recycle content cellulose este...