Method and bath for electrodepositing a violet-colored gold-copper-bismuth alloy
US4517060A · kind A · utility
1Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1984 |
| Grant date | May 14, 1985 |
| Priority date | — |
| Expiry date | May 29, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/62
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aqueous bath is disclosed for the galvanic deposition of uniformly rose to violet colored gold alloys and containing an alkali- or ammonium-dicyanoaurate-I, alkali copper cyanide, alkali cyanide and a bismuth compound which is a water-soluble complex compound of bismuth. Also disclosed is a method for the galvanic deposition of the alloys and employing the particular bath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.