ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,625, issued on July 29, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Processes and systems for making recycle content hydrocarbons through a propylene fractionator" was invented by Daryl Bitting (Longview, Texas), Xianchun Wu (Longview, Texas), David Eugene Slivensky (Tatum, Texas) and Michael Gary Polasek (Longview, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Processes and systems for making recycle content hydrocarbons, including olefins, from recycled waste material. Recycle waste material may be pyrolyzed to form recycle content pyrolysis oil composition (r-pyoil), at least a portion of which may then be cracked to form a r...