Electrobrightening process for aluminum alloys
US5616231A · kind A · utility
7Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1996 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | May 8, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25F3/20
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Aluminum alloy articles are electrobrightened in an acidic solution containing phosphoric acid, water, and suspended mineral particles. The solution preferably also contains sulfuric acid. Aluminum alloy sheet electrobrightened in the solution has a less directional appearance when the suspended mineral particles are present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.