Process for producing steel plate substrates for lacquering
US3998670A · kind A · utility
1Cited by
1References
2Claims
0Family size
Assignee
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Key dates
| Filing date | May 29, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | May 29, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/74
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for producing steel plate substrate for lacquering which comprises applying on the surface of the steel plate a treating solution containing 5 - 150 g/l of chromic acid, 5 - 200 g/l (as oxide) of metal oxide sol, 5 - 100 g/l of one or more selected from the group consisting of nitride, acetate, carbonate, and hydroxide of metal, borax, molybdate tungstate, and baking at a temperature of 400.degree. C or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.