ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,517, issued on April 21, was assigned to NANJING HERON PHARMACEUTICAL SCIENCE AND TECHNOLOGY Co. LTD. (Nanjing, China).

"Ibuprofen ester derivative and emulsion preparation thereof" was invented by Hai Ye (Jiangning District Nanjing, China), Wenliang Zhou (Jiangning District Nanjing, China), Jialin Wang (Jiangning District Nanjing, China), Ying Xu (Jiangning District Nanjing, China), Tao Min (Jiangning District Nanjing, China), Tian Lv (Jiangning District Nanjing, China) and Xingran Chen (Jiangning District Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application related to an ibuprofen ester derivative and an emulsion preparat...