ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,607, issued on Aug. 4, was assigned to Battelle Memorial Institute (Richland, Wash.) and West Virginia University (Morgantown, W.va.).

"Methods and compositions for production of CO 2 -free hydrogen and carbon nanomaterials by methane decomposition" was invented by Jianli Hu (Morgantown, W.va.), I-Wen Wang (Morgantown, W.va.), Lili Li (Zhoukou, China), Robert Alexander Dagle (Richland, Wash.), Juan A. Lopez-Ruiz (Richland, Wash.), Mengze Xu (Richland, Wash.) and Stephen deLemos Davidson (Richland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, the disclosure relates to relates to CO2-free methods of co-producing hydrogen and soli...