ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,863, issued on Dec. 9, was assigned to LINDE GMBH (Pullach, Germany).
"Process and plant for low-temperature separation of air" was invented by Dimitri Golubev (Geretsried, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a process for low-temperature separation of air, in which an air separation plant having a first rectification column and a second rectification column is used, the first rectification column being supplied with cooled compressed air and the second rectification column being supplied with liquid from the first rectification column or liquid formed herefrom. In a first condenser-evaporator, head gas from the...