Gettering of metals from solution
US5622568A · kind A · utility
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10References
13Claims
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Assignee
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Key dates
| Filing date | Jun 13, 1994 |
| Grant date | Apr 22, 1997 |
| Priority date | — |
| Expiry date | Jun 13, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and a gettering agent for gettering metals from a solution. In the process, the solution is contacted with a gettering agent having a surface layer of SiO.sub.2, the layer of SiO.sub.2 preferably being greater than 15 angstroms in thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.