Number | Date | Country | Kind |
---|---|---|---|
548084 | Sep 1987 | CAX | |
575886 | Aug 1988 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
3760060 | Morgan | Sep 1973 | |
3764652 | Morgan | Oct 1973 | |
3883634 | De Schepper et al. | May 1975 | |
4088733 | De Schepper et al. | May 1978 | |
4432952 | De Schepper et al. | Feb 1984 | |
4587106 | Bauer et al. | May 1986 |
Number | Date | Country |
---|---|---|
1179145 | Dec 1984 | CAX |
3508041 | Sep 1986 | DEX |
31048 | Feb 1983 | JPX |
Entry |
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G. Cote & D. Bauer: Liquid-Liquid Extraction of Germanium with Oxine Derivatives, Hydrometallurgy, 5, 149-160 (1980). |
Tian, Runcang; Zou, Jiayan; Zhou, Lingzhi: New Technology for Indium, Germanium and Gallium Recovery in an Electrolytic Zinc Plant, Miner. Process, Extr. Metall., Pap. Int. Conf., 1984, 615-24. |