ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,821, issued on Feb. 17, was assigned to ZEON Corp. (Tokyo).

"Binder composition for secondary battery, slurry composition for secondary battery, solid electrolyte-containing layer, all-solid-state secondary battery, and method of producing all- solid-state secondary battery" was invented by Yusaku Matsuo (Tokyo) and Kenya Sonobe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A binder composition for a secondary battery contains a polymer, an organic solvent, and a compound formed of an organic material or an inorganic material. The compound has a solubility of 10 mass % or less in water at 25deg C. and includes an element belonging to either ...