One step sealing process
US4521463A · kind A · utility
6Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1982 |
| Grant date | Jun 4, 1985 |
| Priority date | — |
| Expiry date | Aug 18, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D11/246
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Anodized aluminum is sealed in a one step process without the necessity of a further desmudging step. A metal acetate salt is mixed with soluble sulfate ion and a dispersing agent to provide a seal without leaving visible smudge on anodized aluminum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.