Use of a binary salt flux of NaCl and MgCl2 for the purification of aluminium or aluminium alloys, and method thereof
US7988763B2 · kind B2 · utility
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Key dates
| Filing date | Jun 8, 2009 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B21/062
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein the metal is in a liquid phase and is contacted with a salt flux consisting of a binary mixture of NaCl and MgCl2. Preferably, more than 22% by weight of the binary mixture consists of NaCl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.