US Patent Issued to Eastman Chemical on Oct. 7 for "Process for treating polyester methanolysis depolymerization product streams" (Tennessee Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,024, issued on Oct. 7, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Process for treating polyester methanolysis depolymerization product streams" was invented by William Christopher Ketchie (Kingsport, Tenn.), Noah Glenn McMillan (Kingsport, Tenn.), Michael Paul Ekart (Kingsport, Tenn.) and Travis Wynn Keever (Jonesborough, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for treating the product stream from a polyester methanolysis depolymerization process wherein the product stream includes dimethyl terephthalate and one or more side species selected from the group consisting of dimethyl phthalate, dimethyl is...