Number | Name | Date | Kind |
---|---|---|---|
3526585 | Camp | Sep 1970 | |
3740329 | Edison | Jun 1973 |
Number | Date | Country |
---|---|---|
8303971 | Jun 1985 | NLX |
Entry |
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Zvarova, T. I., Liquid-Liquid Extraction in the Absence of Usual Organic Solvents: Application of Two Phase Aqueous Systems Based on a Water Soluble Polymer, Mikrochimica Acta [Wien], Aug. 1984 III, pp. 449-458. |