ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,246, issued on Nov. 18, was assigned to UOP LLC (Des Plaines, Ill.) and China Petroleum & Chemical Corp. (Beijing).
"Ethanol conversion to isobutanol" was invented by Richard Long (Katy, Texas), Tian Ruan (Katy, Texas) and Jinbiao Guo (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for isobutanol synthesis is described. Ethanol and synthesis gas (syngas) are reacted in the presence of a heterogeneous catalyst in a first reaction zone. The products of the first reaction can be separated into one or more streams comprising methanol and propanol. The methanol and propanol from the first reaction are reacted in the presence of a se...