US Patent Issued to MITSUI CHEMICALS on Sept. 15 for "Ingredient for secondary cell separator coating material, secondary cell separator coating material, secondary cell separator, method for producing secondary cell separator, and secondary cell" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,597, issued on Sept. 15, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Ingredient for secondary cell separator coating material, secondary cell separator coating material, secondary cell separator, method for producing secondary cell separator, and secondary cell" was invented by Yoshihiko Tomita (Ichihara, Japan), Tsuyoshi Matsumoto (Kisarazu, Japan), Yasuyuki Kagawa (Ichihara, Japan) and Toshihiro Yoshimura (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an ingredient for a secondary cell separator coating material including a water-soluble polymer having a repeating unit derived from methacrylamide and a repeating unit deriv...