US Patent Issued to NIPPON STEEL on July 29 for "Coating composition for electrical steel sheet, adhesive surface-coated electrical steel sheet and laminated core" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,599, issued on July 29, was assigned to NIPPON STEEL Corp. (Tokyo).

"Coating composition for electrical steel sheet, adhesive surface-coated electrical steel sheet and laminated core" was invented by Kazutoshi Takeda (Tokyo), Shinsuke Takatani (Tokyo), Minako Fukuchi (Tokyo) and Ichiro Tanaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This coating composition for an electrical steel sheet contains an epoxy resin, a phenolic curing agent (A) and one or more amine-based curing agents (B) selected from the group consisting of an aromatic amine and dicyandiamide, the amount of the phenolic curing agent (A) is 1 to 40 parts by mass with respec...