Bond enhancement antitarnish coatings
US6837980B2 · kind B2 · utility
0Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2001 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Aqueous electroplating solutions and methods are provided for the codeposition of zinc and chromium. The solutions include effective amounts of zinc, chromium, and hydroxyl ions. The solutions further include an effective amount of one or more ions of alkali metals, alkaline earth metals, or a combination thereof other than sodium and potassium, to in major part balance the hydroxyl ions. A preferred alkali metal is rubidium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.