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| US4073668 | 15 Sep 1976 | 14 Feb 1978 | Bethlehem Steel Corporation | Method of producing silicon steel strip |
| US4310574 | 20 Jun 1980 | 12 Jan 1982 | The United States of America as represented by the Administrator of the National Aeronautics and Space Administration | Method of protecting a surface with a silicon-slurry/aluminide coating |
| US7435304 | 11 Nov 2003 | 14 Oct 2008 | POSCO | Coating composition, and method for manufacturing high silicon electrical steel sheet using thereof |
