ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,761, issued on Aug. 19, was assigned to BENIT M Co. LTD. (Ulsan, South Korea).
"Target gas separation method using deep cooling process" was invented by Ki Joon Kang (Ulsan, South Korea), Rionugroho Harvianto Gregorius (Ulsan, South Korea) and Kwang Hyun Kim (Ulsan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A target gas separation method using a deep cooling process includes a first process operation including a first thawing operation of blocking the first gas inlet unit and introducing inlet gas to the second heat exchanger through the second gas inlet unit to thaw the second heat exchanger and a first freezing operation transferr...