US Patent Issued to HITACHI ZOSEN INOVA on July 1 for "Process for removing CO2 from a methane-containing gas" (Swiss, German Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,470, issued on July 1, was assigned to HITACHI ZOSEN INOVA AG (Zurich).

"Process for removing CO2 from a methane-containing gas" was invented by Uwe Jordan (Worpswede, Germany), Gamuret Hack (Zurich, Switzerland) and Lukas Vollmy (Winterthur, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for removing CO2 from a methane-containing gas, having the steps of providing a methane-containing gas containing at least CO2 as an impurity, cooling the gas to remove CO2 from the methane-containing gas by freezing out same, and additionally reducing the CO2 concentration of the gas using a pressure temperature swing adsorption apparatus (PTS...