ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,050, issued on May 12, was assigned to Shanghai Hansoh Biomedical Co. Ltd. (Shanghai) and Jiangsu Hansoh Pharmaceutical Group Co. Ltd. (Jiangsu, China).

"Three fused ring derivative-containing salt or crystal form and pharmaceutical composition thereof" was invented by Xiaolan Zhan (Shanghai) and Linsong Guo (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three fused ring derivative-containing salt and a crystal form thereof. In particular, the present invention relates to a compound having general formula (I), a crystal form thereof, a preparation method therefor, a pharmaceutical composition containing a therapeutically effective amount ...