ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,802, issued on June 9, was assigned to SINOMA LITHIUM BATTERY SEPARATOR (NANJING) Co. LTD. (Nanjing, China).

"Polyolefin porous film and preparation method therefor, battery separator, and electrochemical device" was invented by Shan Xue (Jiangning, China), Yaozong Bai (Jiangning, China), Guozhong Jia (Jiangning, China), Zhigang Liu (Jiangning, China), Lei Zheng (Jiangning, China), Qiuchun Dong (Jiangning, China), Yunqing Xue (Jiangning, China), Yuan Ma (Jiangning, China), Qiyang Wu (Jiangning, China), Xiangan Meng (Jiangning, China), Xujie Zhang (Jiangning, China) and Gaojun Liu (Jiangning, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The pr...