Sustainable process for reclaiming precious metals and base metals from e-waste
US9238850B2 · kind B2 · utility
12Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2011 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Processes for recycling electronic components removed from printed wire boards, whereby precious metals and base metals are extracted from the electronic components using environmentally friendly compositions. At least gold, silver and copper ions can be extracted from the electronic components and reduced to their respective metals using the processes and compositions described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.