Cerium-based spontaneous coating process for corrosion protection of aluminum alloys
US7048807B2 · kind B2 · utility
9Cited by
14References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2002 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Feb 19, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/83
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cerium-based coating for corrosion resistance is applied by exposing a cleaned aluminum-based component to a corrosion-inhibiting cerium solution containing cerium ions in the presence of an oxidizing agent. The coating deposits spontaneously without an external source of electrons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.