ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,342, issued on Sept. 8, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Catalytic cracking of bio feedstocks and waste plastics with deactivated phosphorus-containing ZSM-5 catalyst" was invented by Tengfei Liu (Fairfield, Calif.), Joel Edward Schmidt (Oakland, Calif.) and Richard L. Grove (Spanish Fort, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process includes contacting one or more bio feedstocks and one or more waste plastic feedstocks with a deactivated cracking catalyst comprising a phosphorus-containing ZSM-5 catalyst at catalytic cracking conditions to obtain a product stream containing hydrocarbons, and separating at l...