ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,999, issued on July 21, was assigned to Battelle Memorial Institute (Richland, Wash.).

"Sulfur tolerant catalyst, catalyst systems, and methods of catalytic hydrothermal gasification" was invented by Huamin Wang (Richland, Wash.), Todd R. Hart (Richland, Wash.), Andrew J. Schmidt (Richland, Wash.), Mariefel V. Olarte (Richland, Wash.) and Suh-Jane Lee (Richland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ru-Mo sulfide bimetallic catalysts are disclosed for catalytic hydrothermal gasification (CHG) of aqueous streams produced from hydrothermal liquefaction of wet wastes. This catalyst is sulfur resistant and requires less Ru loading compare...