Alkaline bright zinc plating and additive composition therefore
US3972789A · kind A · utility
13Cited by
1References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1975 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Feb 10, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/901
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An alkaline, electroplating bath for bright zinc plating containing a composition comprising a condensate of a heterocyclic compound and an epihalohydrin, for example a condensate of nicotinamide and epichlorohydrin or a corresponding quaternary salt of such condensate, which 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.