ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,183, issued on March 17, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).

"Oxygenate separation following oxidative dehydrogenation of a lower alkane" was invented by Bolaji Olayiwola (Calgary, Canada), Vasily Simanzhenkov (Calgary, Canada), Shahin Goodarznia (Calgary, Canada) and Kamal Serhal (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process, a system, and an apparatus are provided for converting a lower alkane to an alkene. Oxygen and the lower alkane are provided to an ODH reactor to convert at least a portion of the lower alkane to an alkene. An ODH stream comprising the alkene, an oxygenate, ...