ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,644, issued on Sept. 15, was assigned to ExxonMobil Product Solutions Co. (Spring, Texas).

"Recovery of recycle content CO 2 from pyrolysis flue gas" was invented by Xianchun Wu (Longview, Texas), Avery L. Anderson (Longview, Texas), Daryl Bitting (Longview, Texas), Michael Gary Polasek (Longview, Texas) and David Eugene Slivensky (Tatum, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process and system for recovering a recycle content carbon dioxide is provided that can lower the carbon footprint and global warming potential of a chemical recycling facility. More particularly, a pyrolysis flue gas and/or a pyrolysis gas from waste plastic ...