ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,537, issued on July 14, was assigned to SHANGHAI RUIZHIKANG MEDICAL TECHNOLOGY Co. LTD. (Shanghai).

"Fiber membrane and preparation method and use thereof" was invented by Xiaohong Chen (Shanghai), Yubo Liu (Shanghai), Honglei Zhou (Shanghai), Wei Li (Shanghai), Fengcang Ma (Shanghai), Shaoli Fu (Shanghai), Guosen Shao (Shanghai) and Haochen Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a fiber membrane and a preparation method and use thereof, and belongs to the field of biological materials. The fiber membrane includes a fiber with a core-shell structure, where a core of the fiber includes simvastatin ...