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US 4,904,315 AGranted
Method for improving magnesium oxide steel coatings using non-aqueous solvents
AssigneeMarine Magnesium Company
InventorMichael W. Howe
Life of this patent
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Abstract
This invention is directed to non-aqueous magnesium oxide slurries and the use thereof to coat silicon steels prior to high temperature annealing.
Claims1
A method for coating silicon steel, comprising initially coating the steel, prior to high temperature annealing, with a slurry comprising:
- 0.1 to 20%, by weight, magnesium oxide, and b) the balance a non-aqueous solvent in which said magnesium oxide is insoluble.
Dependencies are inferred from the claim text.