US Patent Issued to HANGZHOU POLYMED BIOPHARMACEUTICALS on Sept. 1 for "Crystal form and salt form of five-membered-fused six-membered compound, preparation method, pharmaceutical composition, and use" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,042, issued on Sept. 1, was assigned to HANGZHOU POLYMED BIOPHARMACEUTICALS INC. (Hangzhou, China).

"Crystal form and salt form of five-membered-fused six-membered compound, preparation method, pharmaceutical composition, and use" was invented by Jason Shaoyun Xiang (Hangzhou, China) and Lei Wu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crystal form and salt form of a five- and six-membered compound, a preparation method therefor, a pharmaceutical composition thereof, and a use thereof are disclosed. Specifically, a crystal form and salt form of a five-membered-fused six-membered compound as shown in formula I, a preparation m...