US Patent Issued to Hangzhou Zhongmei Huadong Pharmaceutical on Sept. 23 for "Pharmaceutically acceptable acid salt of free base of GLP1 receptor agonist, and preparation method therefor" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,245, issued on Sept. 23, was assigned to Hangzhou Zhongmei Huadong Pharmaceutical Co. Ltd. (Zhejiang, China).

"Pharmaceutically acceptable acid salt of free base of GLP1 receptor agonist, and preparation method therefor" was invented by Haiwen Hu (Zhejiang, China), Li Fang (Zhejiang, China), Fan Hu (Zhejiang, China), Xinjie Zhou (Zhejiang, China) and Fenfen Chen (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides pharmaceutically acceptable acid salts of (S)-2-(3S,8S)-3-(4-(3,4-dichlorobenzyloxy)phenyl-7-((S)-1-phenylpropyl)-2,3,6,7,8,9-hexahydro-[1,4]-dioxino[2,3-g]isoquinolin-8-ylformylamino)-3-(4-(2,3-dimethylp...