ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,582, issued on Sept. 15, was assigned to Arkema Inc. (King of Prussia, Pa.).

"Reticulated solid electrolyte separator" was invented by Ramin Amin-Sanayei (King of Prussia, Pa.), Jeremie Brezun (Marseilles, France), Mark Aubart (King of Prussia, Pa.) and Christian Collette (Antony, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention discloses a method of fabricating a reticulated solid electrolyte/separator (RSES) which is suitable both as electrolyte and separator in a solid state battery. The reticulated composite is produced by casting and drying of a slurry which exhibits a high yield stress (greater than 50 dyne/cm2) and compri...