.beta.-Diketones and the use thereof as metal extractants
US4175012A · kind A · utility
15Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1975 |
| Grant date | Nov 20, 1979 |
| Priority date | — |
| Expiry date | Dec 15, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New .beta.-diketones of the structure ##STR1## where R is phenyl or alkyl substituted phenyl, R' is alkyl, alkyl substituted phenyl or chloro substituted phenyl and R" is H or --CN with the provisos that; (1) when R is phenyl, R' is a branched chain alkyl group of at least seven carbon atoms and (2) when R is alkyl substituted phenyl, the number of carbon atoms in the alkyl substituent or substituents is at least 7 and at least one such alkyl substituent is branched chain. Process of recovering copper and nickel from their aqueous solutions by the use of the new .beta.-diketones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.