Process for recovering precious metals from clay-containing ores
US11111559B2 · kind B2 · utility
4Cited by
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29Claims
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Key dates
| Filing date | Aug 28, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Feb 14, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A solution for leaching metals from clay containing ore and a method of leaching ore is described. The solution comprises a cyanide; a wetting agent; and a clay stabilizing polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.