ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,424, issued on March 3, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).

"Steam-hydrocarbon reforming with low steam production" was invented by Thomas Frommweiler (Tring, Great Britain), Sonia Farrokhpanah (Surbiton, Great Britain), David Ross Graham (Harleysville, Pa.) and Michelle Schoonover (Macungie, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low carbon-emission hydrogen production process may be achieved by first separating carbon dioxide from a reformer syngas stream, followed by separating the carbon dioxide-depleted syngas stream using a semi-permeable membrane to produce a hydrogen-enriched permeate and a hydroge...