Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating
US8409370B2 · kind B2 · utility
6Cited by
3References
9Claims
0Family size
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Key dates
| Filing date | Aug 28, 2008 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Nov 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/18
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A treatment solution for insulation coating for grain oriented electrical steel sheet includes at least one member selected from phosphates of Mg, Ca, Ba, Sr, Zn, Al, and Mn, and colloidal silica in a proportion of 0.2 to 10 mol in terms of SiO2 and a titanium chelate compound in a proportion of 0.01 to 4.0 mol in terms of Ti, relative to PO4: 1 mol in the phosphates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.