US Patent Issued to Chongqing University of Arts and Sciences on March 18 for "Preparation methods of quinolone compounds and intermediates thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,473, issued on March 18, was assigned to Chongqing University of Arts and Sciences (Chongqing, China).

"Preparation methods of quinolone compounds and intermediates thereof" was invented by Jie Lei (Chongqing, China), Zhongzhu Chen (Chongqing, China), Zhigang Xu (Chongqing, China), Dianyong Tang (Chongqing, China), Jiayu Xu (Chongqing, China), Haoyi Zhou (Chongqing, China), Dandan Xia (Chongqing, China), Yao Liu (Chongqing, China), Yihua Cao (Chongqing, China) and Jie Luo (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to processes for the preparation of quinolone compounds and intermediates thereof,...