ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,321, issued on April 21, was assigned to Sumitomo Seika Chemicals Co. Ltd. (Harima-cho, Japan).
"Binder for secondary batteries" was invented by Yuki Kono (Harima-cho, Japan), Moe Inui (Harima-cho, Japan) and Shun Hashimoto (Harima-cho, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a binder for a secondary battery that can reduce the initial resistance value of the secondary battery. A binder for a secondary battery comprising a polymer compound, wherein the polymer compound contains repeating units represented by formulae (1), (2), and (3): in formula (1), R1 is a hydrogen atom or a methyl group, and M is a hy...