Heterocyclic thione
US5342937A · kind A · utility
0Cited by
10References
7Claims
0Family size
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Key dates
| Filing date | Oct 7, 1991 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Oct 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A solvent soluble heterocyclic o-hydroxy thione carrying a lipophilic group and the process for the selective extraction of gallium, and certain other related metals, especially from solutions containing excess aluminium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.