ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,208, issued on Dec. 2, was assigned to UOP LLC (Des Plaines, Ill.) and China Petroleum & Chemical Corp. (Beijing).
"Isobutanol production process" 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: "Processes for making isobutanol are described. The processes involve a first reaction between methanol and ethanol in the presence of a first catalyst to produce an alcohol mixture containing propanol, isobutanol and n-butanol, and a second reaction between the produced propanol and synthesis gas in the presence of a second catalyst to produce isobutanol. The metha...