Magnesia coatings for ferrous substrates comprising amorphous magnesia-silica complexes
US3932203A · kind A · utility
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Key dates
| Filing date | Oct 7, 1974 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Oct 7, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23D5/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Novel amorphous magnesia-silica complexes containing from about 0.001 to 2.0 percent by weight of an alkali metal oxide, wherein the mole ratio of MgO:SiO.sub.2 of said complexes is from about 1:25 to 14:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.