ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,560, issued on Dec. 30, was assigned to Asahi Kasei Battery Separator Corp. (Tokyo).

"Inorganic coating layer crosslinked separator" was invented by Xun Zhang (Tokyo) and Shinji Moritani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a separator for an electricity storage device, comprising a polyolefin resin microporous membrane and an inorganic porous layer arranged on at least one surface of the polyolefin resin microporous membrane, wherein the inorganic porous layer has at least one selected from the group consisting of (i) covalent bonding between inorganic particles, (ii) covalent bonding between resin binders, and (i...