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