Metal extractant reagents having increased resistance to degradation
US8329124B2 · kind B2 · utility
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6References
23Claims
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Key dates
| Filing date | Oct 8, 2009 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Aug 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Solvent extraction compositions having an orthohydroxyaryloxime extractant, an anti-degradation agent, and a water-immiscible organic solvent, processes for extracting a metal from an aqueous acidic solution using same, and methods of reducing degradation of such compositions are provided herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.