ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,417, issued on Oct. 27, was assigned to Resynergi Inc. (Rohnert Park, Calif.).

"Systems and methods for pyrolysis of plastics" was invented by Rongsheng Ruan (Arden Hills, Minn.) and Leilei Dai (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for pyrolysis of plastic includes a fluidized bed pyrolysis unit including a first microwave generator and a pyrolysis vessel, the pyrolysis vessel including a first inlet configured to receive a plastic feedstock, and a second inlet configured to receive one or more fluids, wherein a first microwave absorbent material is positionable within the pyrolysis vessel; and a first fluidized be...