ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,232, issued on Jan. 20, was assigned to LENZING AG (Lenzing, Austria).
"Method for the utilization of constituents from blended textile wastes" was invented by Richard Herchl (Ried im Innkreis, Austria), Christoph Klaus-Nietrost (Vocklabruck, Austria), Sabrina Theis (Wels, Austria) and Christian Weilach (Vocklabruck, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for the treatment and utilization of waste liquor containing at least polyester degradation products and originating from an alkaline pulping process for the extraction of cellulose raw material from blended textile waste which contains at least a c...