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| Patents for C01G 9 - Compounds of zinc (4,420) |
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| 03/08/1977 | US4011297 In-situ ph measurement of organic-continuous solvent extraction processes | | 02/15/1977 | US4008134 Extraction and separation of metals from solids using liquid cation exchangers | | 02/15/1977 | US4008076 Hydrometallurgy | | 01/25/1977 | US4005174 Process for the elimination of chloride from zinc sulphate solutions | | 01/25/1977 | US4005061 Method for recovering potassium hydroxide and zinc oxide from potassium zincate solutions | | 12/21/1976 | US3998924 Recovery of non-ferrous metals from acidic liquors with a chelate exchange resin in presence of iron(III) | | 11/02/1976 | US3989607 Copper di(2-ethylhexyl)phosphate | | 10/12/1976 | US3985858 Treatment of zinc hydroxide slurry and recovery of zinc-containing product therefrom | | 10/12/1976 | US3985857 Process for recovering zinc from ferrites | | 09/28/1976 | US3983218 Method for dry removal of sulfur dioxide from furnace flue, coal and other gases | | 09/21/1976 | US3981966 Zinc recovery from acidic aqueous streams | | 09/07/1976 | US3979266 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, and selenides | | 08/24/1976 | US3976743 Treatment of zinc plant residue | | 06/29/1976 | US3966569 Method of recovering metal from metalliferous waste | | 05/25/1976 | US3959437 Hydrometallurgical process for the recovery of zinc, copper and cadmium from their ferrites | | 05/18/1976 | US3957678 Method of manufacturing a luminescent sulfide | | 05/04/1976 | US3954937 Sulfuric acid, lixiviation | | 04/27/1976 | US3953371 Sintering | | 03/30/1976 | US3947556 Zinc complexes of basic aluminum chlorides and methods of making same | | 01/20/1976 | US3933478 Recovery of zinc and copper from brass scrap |
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