Extraction process using a novel organic acid as a liquid ion exchanger
US5230802A · kind A · utility
1Cited by
2References
9Claims
0Family size
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Key dates
| Filing date | Jun 24, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Jun 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention provides novel organic acids which exhibit utility as liquid ion exchanges suitable for use in an invention solvent extraction process. Illustrative of an invention organic acid is a compound corresponding to the formula: ##STR1## where each of R.sub.1 and R.sub.2 is a C.sub.3 -C.sub.16 branched alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.