US Patent Issued to Evonik Operations on Nov. 4 for "Process for preparing 1,2-propanediol from propane" (German Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,882, issued on Nov. 4, was assigned to Evonik Operations GmbH (Essen, Germany).

"Process for preparing 1,2-propanediol from propane" was invented by David Bolz (Frankfurt, Germany) and Holger Wiederhold (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing 1,2-propanediol involves dehydrogenating propane to provide a product stream containing propane, propene, and hydrogen; and separating the product stream into a stream containing essentially hydrogen, a stream enriched in propane, and a stream enriched in propene. The process then involves reacting the stream containing essentially hydrogen with oxygen to provid...