ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,296, issued on Sept. 9, was assigned to University of Wyoming (Laramie, Wyo.) and WASHINGTON STATE UNIVERSITY (Pullman, Wash.).

"Use of multifunctional CO2 for depolymerization of polyethylene terephthalate" was invented by Maohong Fan (Ames, Iowa), Wenyang Lu (Laramie, Wyo.) and Jinwen Zhang (Pullman, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high-efficiency, low-energy consumption and environmental-friendly recycling technology for PETE plastic waste is disclosed. The degradation of PETE plastic waste includes a method for attacking the -O- ester linkage in the repeat unit of PETE plastic with water in saturated pressure and CO2 in s...