US Patent Issued to Tonghua Dongbao Pharmaceutical on March 3 for "Thiophene derivatives as xanthine oxidase inhibitors and application thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,480, issued on March 3, was assigned to Tonghua Dongbao Pharmaceutical Co. Ltd. (Tonghua County, China).

"Thiophene derivatives as xanthine oxidase inhibitors and application thereof" was invented by Yang Zhang (Shanghai), Wentao Wu (Shanghai), Wenyuan Zhu (Shanghai) and Shuhui Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A class of xanthine oxidase (XO) inhibitors, and application thereof in the preparation of drugs for treating XO-related diseases. Specifically disclosed is a compound represented by formula (I) and a pharmaceutically acceptable salt thereof."

The patent was filed on Oct. 30, 2020, under Application No. 17/766,435...