ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,747, issued on June 9, was assigned to OCUMENSION THERAPEUTICS (SUZHOU) Co. LTD (Suzhou City, China).
"Salt form and crystal form of pyrazole substituted imidazo[1,2-aquinoxaline derivative" was invented by Wenyuan Qian (Shanghai), Hongjian Wang (Shanghai), Liang Tan (Shanghai) and Shuhui Chen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a salt form and a crystal form of a pyrazole substituted imidazo[1,2-a]quinoxaline derivative, and a preparation method therefor. Specifically disclosed are a salt form and a crystal form of a compound of formula (I), and a preparation method therefor and the use thereof in the preparation of...