US Patent Issued to CHIA TAI TIANQING PHARMACEUTICAL GROUP on Dec. 30 for "Quinoline derivative for treating rheumatoid arthritis" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,258, issued on Dec. 30, was assigned to CHIA TAI TIANQING PHARMACEUTICAL GROUP Co. LTD. (Lianyungang, China).

"Quinoline derivative for treating rheumatoid arthritis" was invented by Xiquan Zhang (Lianyungang, China), Ling Yang (Lianyungang, China), Hongjiang Xu (Lianyungang, China), Wei Song (Lianyungang, China), Xiaofang Zou (Lianyungang, China) and Xianju Wang (Lianyungang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quinoline derivative for treating rheumatoid arthritis and a use thereof in preparing a pharmaceutical composition for treating rheumatoid arthritis. In particular, a use of the quinoline derivative 1-[[[4-(4-Fluoro-2-meth...