US Patent Issued to Air Products and Chemicals on May 13 for "Process and apparatus for recovery of at least nitrogen and argon" (Pennsylvania Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,075, issued on May 13, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).

"Process and apparatus for recovery of at least nitrogen and argon" was invented by Donn Michael Herron (Fogelsville, Pa.) and Qiao Zhao (Macungie, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for recovering at least one fluid (e.g. argon gas and/or nitrogen gas, etc.) from a feed gas (e.g. air) can provide an improved recovery of argon and/or nitrogen as well as an improvement in operational efficiency. Some embodiments can be adapted so that at least a portion of a mixed nitrogen-oxygen fluid is at least partially vaporized and fed to a low pre...