ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,807, issued on March 24, was assigned to The Regents of the University of California (Oakland, Calif.).

"Pretreating metal oxide catalysts for alkane dehydrogenation" was invented by Enrique Iglesia (Berkeley, Calif.) and Junnan Shangguan (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Catalytic dehydrogenation of a light alkane gas on a metal oxide catalyst is achieved by (a) pretreating the metal oxide catalyst with dimethylether (DME); and (b) reacting the alkane gas catalytically on the catalyst in a dehydrogenation reaction, under conditions wherein the pretreating improves product yield of the reaction."

The patent was filed...