| Patents for C22B 58 - Obtaining gallium or indium (821) |
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| 05/01/1979 | US4152227 Method for extraction of gallium from aluminate-alkaline solutions in the production of alumina from aluminum-containing ores |
| 04/17/1979 | CA1052582A1 Process for liquid/liquid extraction of gallium |
| 01/24/1979 | EP0000457A1 Process for the recovery of gallium from very basic solutions by liquid/liquid extraction. |
| 01/23/1979 | US4135917 Process for recovering gallium from alkali aluminate solutions resulting from treatment of aluminum-containing ores |
| 10/31/1978 | CA1041305A1 Recovery of gallium |
| 10/31/1978 | CA1041304A1 Process for recovering valuable metals from sulfate solutions |
| 10/24/1978 | CA1040868A1 Process for recovery of valuable metals from solution using neutralization by lime or limestone |
| 06/13/1978 | US4094753 Recovery of gallium from gallium compounds |
| 01/31/1978 | US4071422 Sulfuric acid, precipitation of zinc ammonium sulfate |
| 01/24/1978 | US4070437 Process for the recovery of metal chlorides from jarosite sludges resulting from the sulphuric acid processing of ores |
| 07/12/1977 | US4035154 Separate cooling device |
| 06/14/1977 | US4029499 And alumina from bauxite |
| 03/15/1977 | US4012298 Process for the electrolytic recovery of gallium and/or alkali metals |
| 02/01/1977 | US4006215 Recovering iron, nickel, or cobalt from sulfate solution |
| 10/26/1976 | US3988150 Liquid gallium-aluminum alloy |
| 09/07/1976 | US3979268 Method and apparatus for removing impurities from liquid metals |
| 08/24/1976 | US3976743 Treatment of zinc plant residue |
| 07/27/1976 | US3971843 Process for liquid/liquid extraction of gallium |
| 07/13/1976 | US3969108 Recovery of gallium |
| 01/20/1976 | US3933604 Method of electrolytically extracting gallium from aluminate solutions |
| 01/13/1976 | US3932230 Method of extracting gallium |