US Patent Issued to ZEON on Oct. 20 for "Binder for secondary battery functional layer, slurry composition for secondary battery functional layer, functional layer for secondary battery, and secondary battery" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,883, issued on Oct. 20, was assigned to ZEON Corp. (Tokyo).

"Binder for secondary battery functional layer, slurry composition for secondary battery functional layer, functional layer for secondary battery, and secondary battery" was invented by Yuzo Kitazawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A binder for a secondary battery functional layer contains a particulate polymer that includes a cyano group-containing monomer unit and a cyclic ether-containing monomer unit and that, in an infrared absorption spectrum, has a light absorbance ratio A1/A2 of 5 or more between a maximum value A1 of light absorbance in a range of not less tha...