Methods and composition for sequential isolation of rare earth elements
US10697042B2 · kind B2 · utility
2Cited by
2References
13Claims
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Key dates
| Filing date | Mar 3, 2017 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Apr 29, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Methods and compositions are described in which amine-based compounds are utilized in the recovery of rare earth elements from solution. The rare earth elements are recovered selectively and sequentially.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.