ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,690, issued on May 19, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).
"Recycling of plastics by solvent-targeted recovery and precipitation (STRAP)" was invented by George W. Huber (Middleton, Wis.), Kevin L. Sanchez-Rivera (Madison, Wis.), Reid C Van Lehn (Madison, Wis.), Ted Walker (Madison, Wis.) and Panzheng Zhou (Madison, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a method to recover constituent polymers in multilayer plastic films or mixed plastic wastes. The method comprises selectively dissolving a polymer in a solvent at a temperature, wherein the polymer is soluble, but other polymers in t...