Conversion coating compositions
US6764553B2 · kind B2 · utility
12Cited by
10References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 2001 |
| Grant date | Jul 20, 2004 |
| Priority date | — |
| Expiry date | Nov 25, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28F2245/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Corrosion resistant, hydrophilic coatings on the surface of aluminum and aluminum alloys may be formed using aqueous compositions containing fluorometallates such as H2TiF6 or H2ZrF6 and vanadium compounds such as decavanadates. To minimize the odor evolved from the conversion coatings it is preferred for a specified oxide, hydroxide, carbonate, or alkoxide to also be present in or added to the aqueous composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.