Method for extracting a refractory metal from an ore, a concentrate or a waste product
US12270089B2 · kind B2 · utility
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Key dates
| Filing date | Jul 22, 2020 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Sep 24, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a method for extracting a refractory metal selected from Nb, Ta, Mo, W and V, from a solid material comprising the refractory metal in an oxidised form, the method using a layered double hydroxide, and the use of a layered double hydroxide for extracting or purifying a refractory metal selected from Nb, Ta, Mo, W and V.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.