ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,747, issued on Feb. 17, was assigned to JIANGSU PROTELIGHT PHARMACEUTICAL & BIOTECHNOLOGY Co. LTD. (Jiangyin, China).

"Amino acid derivative containing non-steroidal anti-inflammatory drug structure and preparation method and application thereof" was invented by Yuxin Chen (Jiangyin, China), Mingxia Chen (Jiangyin, China), Ying Lv (Jiangyin, China), Gang Dong (Jiangyin, China) and Xiaoxue Huang (Jiangyin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an amino acid derivative containing a non-steroidal anti-inflammatory drug structure and a preparation method and application thereof. The structural formula of th...