ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,133, issued on May 20, was assigned to TEKNOLOGIAN TUTKIMUSKESKUS VTT OY (Espoo, Finland).

"Method and apparatus for removing impurities from gasification gas and use" was invented by Ilkka Hiltunen (Vtt, Finland) and Esa Kurkela (Vtt, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method and an apparatus for removing impurities from a gasification gas, wherein the gasification gas which includes at least tars and/or undesired hydrocarbons is supplied to a catalytic reformer which has at least one catalyst bed, oxygen containing gas is injected onto the surface of the catalyst bed, the gasification gas is arranged ...