Alkaline bright zinc plating and additive therefor
US4229267A · kind A · utility
9Cited by
7References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1979 |
| Grant date | Oct 21, 1980 |
| Priority date | — |
| Expiry date | Jun 1, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/22
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An alkaline, electroplating bath for bright zinc plating comprising a source of zinc ions and a bath soluble polymer containing repeating tertiaryaminoalkyl acrylamide groups or quaternary salts thereof. The bath is capable of producing bright, fine grained zinc deposits over a broad current density range both in the presence and absence of cyanides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.