Separation of copper ions from mixtures that include copper and an amine
US4150218A · kind A · utility
1Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1977 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Dec 22, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process is disclosed for the separation of copper from a copper-amine mixture. The process comprises contacting the copper-amine mixture with an acidic cation exchange resin in which substantially all of the acid groups have been exchanged with a metal ion that is above copper in the electromotive series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.