Leaching copper-containing ores
USRE50227E1 · kind E1 · reissue
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38Claims
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Key dates
| Filing date | Feb 17, 2022 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Feb 17, 2042 |
Classification
- Technology area (CPC —)General
Abstract
A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.