Countercurrent rare earth separation process
US12024756B2 · kind B2 · utility
0Cited by
0References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2019 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Jun 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for extracting a rare earth metal from a mixture of one or more rare earth metals, said method comprising countercurrently contacting an acidic solution of the rare earth metal with a composition which comprises an ionic liquid to form an aqueous phase and a non-aqueous phase into which the rare earth metal has been selectively extracted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.