ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,144, issued on June 30, was assigned to SHENZHEN SENIOR TECHNOLOGY MATERIAL Co. LTD. (Shenzhen, China).

"Non-woven fabric and preparation method therefor, lithium battery diaphragm, and lithium battery diaphragm base membrane" was invented by Li Chen (Shenzhen, China), Lujing Lin (Shenzhen, China), Xuemei Yang (Shenzhen, China) and Xiufeng Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-woven fabric and a preparation method therefore, a lithium battery diaphragm and a lithium battery diaphragm base membrane, relating to the field of materials. Raw materials of the non-woven fabric include main fibers and bonding fibers, wh...