ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,759, issued on Oct. 14, was assigned to JIANGSU JIAERKE PHARMACEUTICALS GROUP CORP. LTD. (Jiangsu, China).

"Method for synthesizing ursodeoxycholic acid using BA as raw material" was invented by Wenwei Qiu (Shanghai) and Jie Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a synthesis method of ursodeoxycholic acid by using the plant-derived compound BA as a raw material to synthesize ursodeoxycholic acid through the steps of ethylene glycol or neopentyl glycol protection, oxidation, Wittig reaction, deprotection, reduction and hydrolysis, etc. The raw materials used for the synthesis of ursodeoxycholic a...