MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517097084 A) filed by Nippon Steel Corporation, Tokyo, on Oct. 8, for 'insulating coating film treatment liquid for grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet.'
Inventor(s) include Takatani, Shinsuke; and Takeda, Kazutoshi.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "This method for producing an insulating coating film treatment liquid for a grain-oriented electromagnetic steel sheet includes: an adjustment step of adding a K compound to colloidal silica, and adjusting a ...