US Patent Issued to PRAXAIR TECHNOLOGY on June 17 for "Method for controlling a recycle gas stream utilizing an ejector for the cooling of a unit operation" (New York, Texas Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,992, issued on June 17, was assigned to PRAXAIR TECHNOLOGY INC. (Danbury, Conn.).

"Method for controlling a recycle gas stream utilizing an ejector for the cooling of a unit operation" was invented by William J Scharmach (Grand Island, N.Y.), Richard M Kelly (East Amherst, N.Y.), Mohammad Abdul-Aziz Rashad (Clarence, N.Y.), Yi Ma Lenhert (Tomball, Texas) and Matthew Thomas (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of preparing a gas coolant for the direct cooling of a unit operation under a fixed heat load from its normal operating temperature (e.g., 300deg F. and above) to a lower temper...