US Patent Issued to L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude on March 24 for "Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen" (Texas Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,686, issued on March 24, was assigned to L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude (Paris).

"Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen" was invented by Michael A. Turney (Houston), Alain Guillard (Houston) and Bobby Chan (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated industrial unit is provided, which can include: a nitrogen source comprising an air separation unit that is configured to provide pressurized gaseous nitrogen and liquid nitrogen; a hydrogen source; a hydrogen liquefaction unit, wherein the hy...