ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,393, issued on Dec. 30, was assigned to GCP Applied Technologies Inc. (Alpharetta, Ga.).

"Cement production" was invented by Elise Berodier (Lausanne, Switzerland), Nathan A. Tregger (Northborough, Mass.), Josephine H. Cheung (Lexington, Mass.), David F. Myers (Somerville, Mass.), Li Zhang (North Hills, Calif.), Dorota Kazmierczak (Acton, Mass.), Lawrence R. Roberts (Acton, Mass.), Denise A. Silva (Los Alamitos, Calif.), Richard Sibbick (Northborough, Mass.), Jeffrey Thomas (Winchester, Mass.), Mark F. Roberts (North Andover, Mass.), Riccardo Stoppa (Milan) and Elizabeth Burns (Windham, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present...