ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,493, issued on April 7, was assigned to ELECTROCHAEA GMBH (Planegg, Germany).
"Methanation method in a bioreactor under continuous cell-retention conditions" was invented by Imko Gaastra (Planegg, Germany), Manuel Hoerl (Planegg, Germany), Laurent Lardon (Planegg, Germany), Doris Hafenbradl (Planegg, Germany), Felix Popp (Planegg, Germany), Mich Hein (Planegg, Germany), Hans Knudsen (Planegg, Germany) and Jeff Fornero (Planegg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention refers to a method to convert H2 and CO2 into methane by methanogenic microorganisms in a bioreactor in a continuous production process for methane ...