US Patent Issued to ZHEJIANG HUAHAI PHARMACEUTICAL, ZHEJIANG HUAHAI LICHENG PHARMACEUTICAL on Dec. 9 for "Method for purifying key intermediates of citalopram" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,165, issued on Dec. 9, was assigned to ZHEJIANG HUAHAI PHARMACEUTICAL Co. LTD. (Zhejiang, China) and ZHEJIANG HUAHAI LICHENG PHARMACEUTICAL Co. LTD. (Zhejiang, China).

"Method for purifying key intermediates of citalopram" was invented by Jian Zhang (Linhai Taizhou, China), Jichao Wang (Linhai Taizhou, China), Xiangqian You (Linhai Taizhou, China), Liangwei Qian (Linhai Taizhou, China), Tao Zhou (Linhai Taizhou, China), Jiaxing Hu (Linhai Taizhou, China) and Wenfeng Huang (Linhai Taizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for purifying key intermediates of Citalopram, i.e. 4-[4-(dimethylami...