ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,991, issued on Aug. 25, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).
"Recyclable extrusion blow molded articles from blends of copolyesters and recycled PET" was invented by Mark Allan Treece (Jonesborough, Tenn.), Michael Gage Armstrong (Johnson City, Tenn.) and Robert William Seymour (Kingsport, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to recyclable extrusion blow molded articles made from blends of recycled PET and copolyester compositions which comprise residues of terephthalic acid, neopentyl glycol (NPG), 1,4-cyclohexanedimethanol (CHDM), ethylene glycol (EG), and/or 2,2,4,4-tetramethyl-1,...