ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,164, issued on Nov. 4, was assigned to HITACHI ZOSEN INOVA SCHMACK GMBH (Schwandorf, Germany).
"Process for producing a methane-enriched gas" was invented by Matthias Scholz (Pettendorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the production of a methane-enriched gas including the steps of providing a bioreactor having at least one device for supplying a gas, and at least one outlet for removing the methane-enriched gas generated in the bioreactor; providing a device for determining the proportion of carbon dioxide in the methane-enriched gas removed from the bioreactor; specifying a target value S for the proportion of c...