Composition and method for treating magnesium alloys
US7156905B2 · kind B2 · utility
1Cited by
3References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2002 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Dec 24, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a composition and method for treating a magnesium alloy. The inventive composition comprises an acid aqueous solution containing niobium pentoxide, a water-soluble cerium salt and, optionally, a zirconium salt and/or hydroflouric acid. Said method consists in submerging a magnesium alloy part in said composition. The invention can be used to protect magnesium alloy parts against corrosion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.