Process for the separation of molybdenum values from tungsten values
US4374809A · kind A · utility
0Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1981 |
| Grant date | Feb 22, 1983 |
| Priority date | — |
| Expiry date | Oct 16, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Molybdenum is removed from an aqueous solution containing tungsten and molybdenum by extracting the molybdenum from the aqueous solution having a pH greater than 8.5 with a liquid organic extractant containing a preferred complexing agent, 3,4-dimercaptotoluene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.