ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,497, issued on June 23, was assigned to Shanghai Senhui Medicine Co. Ltd. (Shanghai), Shanghai Shengdi Pharmaceutical Co. Ltd. (Shanghai) and Jiangsu Hengrui Pharmaceuticals Co. Ltd. (Jiangsu, China).

"Benzazepine compounds, preparation method therefor and pharmaceutical use thereof" was invented by Lingjian Zhu (Shanghai), Jianyu Shi (Shanghai), Changjin Ji (Shanghai), Bangjie Dong (Shanghai) and Jian Huang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Benzazepine compounds, a preparation method therefor and pharmaceutical use thereof. Specifically, the present invention relates to a compound represented by formula II-1 or formula VIII-1...