Method for thiosulfate leaching of precious metal-containing materials
US8097227B2 · kind B2 · utility
10Cited by
90References
21Claims
0Family size
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Key dates
| Filing date | Jan 7, 2010 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jan 7, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ heap leaching or lixiviants that include one or more blinding agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.