US Patent Issued to Circ on June 17 for "Method of forming a polyester from a regenerated diacid formed from depolymerization of a waste material" (Virginia, Ohio, Massachusetts, North Carolina Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,157, issued on June 17, was assigned to Circ LLC (Danville, Va.).

"Method of forming a polyester from a regenerated diacid formed from depolymerization of a waste material" was invented by Julie Ann-Crowe Willoughby (Danville, Va.), Hsun-Cheng Su (Chapel Hill, N.C.), Gheorghe Florin Barla (Beavercreek, Ohio), Timothy Ethan Atwood (Martinsville, Va.) and Allan Stuart Myerson (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a polyester from a regenerated composition comprising a regenerated diacid and a catalyst obtained from depolymerization of a polyester in a waste material is disclosed. The method comprises: rea...