Non-cyanide bright silver electroplating bath therefor, silver compounds and method of making silver compounds
US4246077A · kind A · utility
22Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1978 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Sep 26, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A silver and silver alloy electroplating bath; electrolytic solution; water-soluble silver complex for incorporation therein; and the process for electrodeposition of silver and silver alloys; wherein the electrolytic solution and bath have a pH of at least 6, is free of cyanide, and comprises a water-soluble complex formed from the reaction of a silver salt or compound and an organic complexing agent selected from a pyrrolidine-2,5-dione or a 3-pyrroline-2.5-dione.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.