US Patent Issued to BASF on June 30 for "Copper aluminum catalyst used for 1,4-butynediol production" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,827, issued on June 30, was assigned to BASF Corp. (Florham Park, N.J.).

"Copper aluminum catalyst used for 1,4-butynediol production" was invented by Huan Wang (Shanghai), Ai Ling Lv (Shanghai), Diana Carolina Galeano Nunez (Shanghai) and Mario Soorholtz (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is generally related to a novel catalytic composition and a method for the production of 1,4 -butynediol by catalytic ethynylation of formaldehyde, the said method is known as the Reppe reaction. The invented catalyst with lower copper content would provide an advantageous combination of improved utilization efficiency o...