Sealing solution and process to prevent deposits forming during the sealing of anodized aluminum surfaces
US4235682A · kind A · utility
5Cited by
1References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 20, 1979 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Aug 20, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/246
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The solution for sealing anodic oxidized aluminum or aluminum alloys comprises basically an aqueous solution containing an addition of 0.1 to 2.5 g/l, made up of Agar-Agar and gelatine. the optimum pH value for the solution lies between 5.5 and 6.0. The sealing is carried out at a temperature between 90.degree. C. and the boiling point of the solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.