Boron-containing electrical steel having a calcium borate coating and magnesia overcoating, and process therefor
US4096001A · kind A · utility
4Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 7, 1977 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Mar 7, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12618
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A relatively thin coat of calcium metaborate is electrolytically-applied directly to the surface of a boron-containing electrical steel and a substantially thicker overcoat of Mg(OH).sub.2 is electrolytically-deposited on the calcium metaborate coating to provide a duplex coating about 0.2 mil thick.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.