MUMBAI, India, Oct. 31 -- Intellectual Property India has published a patent application (202517093949 A) filed by Nippon Steel Corporation, Tokyo, on Sept. 30, for 'grain-oriented electromagnetic steel sheet and method for forming insulating coating film.'
Inventor(s) include Takeda Kazutoshi; Takatani Shinsuke; Kataoka Takashi; and Kogakura Yuuki.
The application for the patent was published on Oct. 31, under issue no. 44/2025.
According to the abstract released by the Intellectual Property India: "This grain-oriented electromagnetic steel sheet includes a parent material steel sheet and an insulating coating film that is formed on the surface of the parent material steel sheet. The insulating coating film includes an intermediate layer that includes a crystalline metal phosphate and is formed on the parent material steel sheet side and a tension coating film layer that is formed on the surface side of the insulating coating film. The porosity of the intermediate layer is less than 40%."
The patent application was internationally filed on Apr. 12, 2024, under International application No.PCT/JP2024/014846.
Disclaimer: Curated by HT Syndication.
