US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on Feb. 10 for "Device for separating air by cryogenic distillation" (French Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,533, issued on Feb. 10, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Device for separating air by cryogenic distillation" was invented by Benoit Davidian (Champigny sur Marne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for separating air by cryogenic distillation, comprising a first module containing a main air compressor, a second module, a third module containing a purification unit, a fourth module containing a heat exchanger and a system of columns comprising at least one distillation column that is or is not contained in the fifth module, the second module...