ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,478, issued on June 23, was assigned to The Johns Hopkins University (Baltimore).

"Regenerable carbon dioxide scrubber" was invented by Jason J. Benkoski (Catonsville, Md.), Paul J. Biermann (Columbia, Md.), William L. Luedeman (New Market, Md.), Jeffrey M. Paulson (Columbia, Md.), Steven M. Storck (Timonium, Md.), Melanie L. Morris (Odenton, Md.), Evan D. Jacque (Columbia, Md.), Michael H. Jin (Ellicott City, Md.) and Reginald Beach (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A regenerable carbon dioxide scrubber includes at least a first housing compartment including an inlet, an outlet, and an interior region. A sorbent materia...