Zinc alloy plating with quaternary ammonium polymer
US5405523A · kind A · utility
21Cited by
8References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Dec 15, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/565
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A zinc alloy electroplating bath comprising zinc ions, alloy metal ions of a metal of the first transition of the Periodic Table, and a brightening agent comprising a ureylene quaternary ammonium polymer, an iminoureylene quaternary ammonium polymer, or a thioureylene quaternary ammonium polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.