ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,286, issued on Sept. 29, was assigned to SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES (Shanghai).
"Long-acting ropivacaine pharmaceutical composition, preparation method therefor and use thereof" was invented by Yong Gan (Shanghai), Shiyan Guo (Shanghai), Yinyin Sun (Shanghai) and Quanlei Zhu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a long-acting ropivacaine pharmaceutical composition, a preparation method therefor and use thereof. The pharmaceutical composition comprises: ropivacaine; a pharmaceutical solvent; a pharmaceutical phospholipid; a pharmaceutical oil; and an efficacy enhancer, an optiona...