ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,976, issued on June 3, was assigned to SUNCOKE TECHNOLOGY AND DEVELOPMENT LLC (Lisle, Ill.).

"Foundry coke products, and associated systems, devices, and methods" was invented by John Francis Quanci (Haddonfield, N.J.), John Michael Richardson (Devon, Pa.) and Jonathan Hale Perkins (Lisle, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (AFT) less than 1316deg C. Additionally or alternatively, the coke product c...