US Patent Issued to OMV DOWNSTREAM, BASF on Oct. 7 for "Method for purifying isobutene from a C4 stream and process system therefor" (German, Austrian Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,017, issued on Oct. 7, was assigned to OMV DOWNSTREAM GMBH (Vienna) and BASF SE (Ludwigshafen, Germany).

"Method for purifying isobutene from a C4 stream and process system therefor" was invented by Suman Thotla (Mannheim, Germany), Pawel Tadeusz Czajka (Mannheim, Germany), Stefan Manfred Iselborn (Frankenthal, Germany), Kai-Uwe Wemhoner (Vienna) and Jurgen Popp (Vienna).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the purification of isobutene from a C4 stream with at least 1-butene, 2-butene, isobutane and isobutene includes isomerizing 1-butene from a stream of material which is concentrated in isobutane and isobutene obtained from ...