Aqueous acid plating bath and additives for producing bright electrodeposits of tin
US4072582A · kind A · utility
17Cited by
0References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1976 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Dec 27, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/32
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aqueous acid tin electroplating bath contains as a brightening agent certain dialkoxy benzaldehydes, an emulsifying agent, as well as alpha, beta unsaturated carboxylic acids, amides, and esters to give extremely bright electrodeposits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.