US Patent Issued to KANGBAIDA (SICHUAN) BIOTECHNOLOGY on Feb. 17 for "Purine derivative and medical use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,793, issued on Feb. 17, was assigned to KANGBAIDA (SICHUAN) BIOTECHNOLOGY Co. LTD. (Chengdu, China).

"Purine derivative and medical use thereof" was invented by Yonggang Wei (Sichuan, China), Xuezhen Xu (Sichuan, China), Hongzhu Chu (Sichuan, China), Lvxue He (Sichuan, China), Xiangyu Meng (Sichuan, China), Meiwei Wang (Sichuan, China), Guizhuan Su (Sichuan, China), Bing Liu (Sichuan, China) and Yi Sun (Sichuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a purine derivative and use thereof in medicine, and in particular to a pyrimidine derivative shown as general formula (I) or a stereoisomer, solvate, meta...