ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,692, issued on Aug. 12, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).
"Process and apparatus for improved recovery of argon" was invented by Jay A. Thakkar (Allentown, Pa.), Donn Michael Herron (Fogelsville, Pa.) and Qiao Zhao (Macungie, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process and apparatus for recovering at least argon from a feed gas that can provide an improved recovery of argon as well as an improvement in operational efficiency. Some embodiments can be adapted so that the improved argon recovery can also be obtained with improved condenser operation for an argon column without requiring an increase in po...