Phenoxypyrazole composition and process for the solvent extraction of metals
US8470052B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Methods for extracting metals from aqueous solutions, by contacting an aqueous solution containing a dissolved metal with a solvent extraction composition having a water-immiscible organic solvent; and a metal extractant compound according to Formula (1)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.