US Patent Issued to TEIJIN on April 29 for "Separator for non-aqueous secondary battery and non-aqueous secondary battery" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,898, issued on April 29, was assigned to TEIJIN Ltd. (Osaka, Japan).

"Separator for non-aqueous secondary battery and non-aqueous secondary battery" was invented by Megumi Sato (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a separator for a non-aqueous secondary battery containing a porous substrate; and a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin A that is a polyvinylidene fluoride type resin containing a tetrafluoroethylene unit; a polyvinylidene fluoride type resin B that is a polyvinylidene fluoride type resin...