ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,416, issued on Feb. 25, was assigned to Phillips 66 Co. (Houston).
"Isobutane to transportation fuel" was invented by Anthony O. Baldridge (Bartlesville, Okla.), Matthew J. Wulfers (Owasso, Okla.), Neal D. McDaniel (Bartlesville, Okla.) and Robert M. Walston (Skiatook, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates generally to processes and systems for producing liquid transportation fuels by converting a feed stream that predominantly comprises isobutane. The feed stream is catalytically-activated in two separate reaction zones arranged in series in a manner that minimizes the production of C1-C3 light paraffin...