ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,286, issued on Sept. 22, was assigned to SWM Holdings US LLC (Atlanta).

"Multi-layer battery separator for alkaline battery and method for making" was invented by Vincent Motin (Clohars-Carnoet, France), Christelle Bellouard (Quimper, France) and Axel Le Nozahic (Arzano, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Battery separators and methods of making such separators are provided. The separators can be used in various alkaline batteries such as a Zn/MnO2 battery or the like. An alkaline battery separator comprises a first layer of polyvinyl alcohol fibers, a second layer of cellulose or a cellulose derivative and a third layer comprisi...