MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517097003 A) filed by Nippon Steel Corporation, Tokyo, on Oct. 8, for 'method for producing insulation coating treatment liquid for grain-oriented electrical steel sheet and method for producing grain-oriented electrical steel sheet.'
Inventor(s) include Takatani Shinsuke; and Takeda Kazutoshi.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "This method for producing an insulating film treatment liquid for grain-oriented electromagnetic steel sheet comprises: an adjustment step in which an Na compound is added to colloidal silica, and the rat...