ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,832, issued on June 10, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Method of producing pyrolysis products from a mixed plastics stream and integration of the same in a refinery" was invented by Omer Refa Koseoglu (Dhahran, Saudi Arabia) and Gerard De Nazelle (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method of producing pyrolysis products from mixed plastics along with an associated system for processing mixed plastics. The method includes conducting pyrolysis of a plastic feedstock to produce plastic pyrolysis oil; feeding the plastic pyrolysis oil to a first fractionator to separate the plastic pyrol...