ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,090, issued on May 19, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).

"Multi-well pad storage of H 2 and/or NH 3 with simultaneous CO 2 sequestration" was invented by Mariel Taylor Schottenfeld (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods of gas sequestration of carbon dioxide from a fossil-fueled hydrogen production plant. The method includes producing at least hydrogen and carbon dioxide above ground from a fossil-fueled hydrogen production plant, injecting at least a portion of the hydrogen and carbon dioxide produced from the fossil-fueled hydrogen production plant into a geol...