ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,783, issued on Jan. 27, was assigned to Shanghai INT Medical Instruments Co. Ltd. (Shanghai) and Shanghai PuMei Medical Instruments Co. Ltd. (Jiangqiao Town, China).
"Biodegradable magnesium alloy without rare earth elements, preparation method and use thereof" was invented by Dongke Liang (Shanghai), Zheng Zhao (Shanghai), Lei Shang (Shanghai), Tao Li (Shanghai) and Sen Lin (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a biodegradable magnesium alloy without rare earth elements. The magnesium alloy comprises the following elements in percentage by mass: Zn 1.0-5.0%; Mn 0.1-1.0%; Ca 0.1-1.0%; Sr 0.1-1.0%; ...