Method for thiosulfate leaching of precious metal-containing materials
US7722840B2 · kind B2 · utility
17Cited by
80References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2003 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | May 9, 2026 |
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.