US Patent Issued to Taclov on July 29 for "Feedstock purification of polyester waste for recycling processes" (California, Colorado Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,546, issued on July 29, was assigned to Taclov LLC (Armonk, N.Y.).

"Feedstock purification of polyester waste for recycling processes" was invented by Gregory Breyta (San Jose, Calif.) and Robert David Allen (Golden, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Pre-treating a waste polyester material with dichloromethane (DCM) produce purified polyester for reuse. The purified polyester can be recycled via any chemical or mechanical recycling process. Where the waste polyester material includes non-polyester contaminants, the DCM-treated polyester material produces a slurry that includes the DCM, a solid component that includes a polyester m...