Method for cleaning and polishing metallic alloys and articles cleaned or polished thereby
US7153411B2 · kind B2 · utility
10Cited by
31References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2003 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Jul 30, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25F1/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of cleaning and polishing an alloy comprising at least one noble metal and at least one non-noble metal, the method including the steps of submerging said alloy in an electrolytic acidic bath comprising at least one chelating or complexing agent including sulfur, and applying a multiple pulse periodic reverse waveform, and articles cleaned and/or polished thereby.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.