| Patents for C01G 53 - Compounds of nickel (5,111) |
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| 10/15/1980 | EP0017285A1 Process for the recovery of metals from catalysts used in the hydrodesulfurization of hydrocarbons |
| 10/14/1980 | US4228091 Removal of nickel from cobalt and manganese |
| 10/07/1980 | US4226843 Process and apparatus for production of spherical grain ferrite powder |
| 10/07/1980 | CA1087133A1 Solid-liquid separation of laterite slurries |
| 10/07/1980 | CA1086963A1 Process for the recovery of non-ferrous metals from acidic hydrometallurgical leach liquors with a chelate exchange resin |
| 09/09/1980 | US4221765 Purification of nickel chloride solutions |
| 09/02/1980 | US4220726 Polystyrene or copolymer; complexing |
| 08/26/1980 | CA1084505A1 Certain sulfonamidoquinolines, metal complexes thereof, and solutions containing such sulfonamidoquinolines and metal complexes |
| 08/20/1980 | EP0014557A1 Process for precipitating metal values from organic media |
| 08/06/1980 | EP0014111A1 Process for producing oxhydryl-containing nickel compounds and compounds thus obtained |
| 08/05/1980 | US4216118 Process for recovering vanadium accumulated on spent catalyst |
| 07/29/1980 | CA1082468A1 Chlorine leaching of nickel matte |
| 07/01/1980 | US4210759 Stripping metal values from hydrocarbon solvents |
| 06/24/1980 | US4209419 Certain sulfonamidoquinolines, metal complexes thereof, and solutions containing such sulfonamidoquinolines and metal complexes |
| 05/27/1980 | US4205048 Liquid-liquid extraction of Cu, Co, Ni from ammoniacal solutions with 7-ethyl-undeca-2,4-dione |
| 05/20/1980 | US4204028 Glass substrate with nickel-cobalt-oxide coating |
| 05/13/1980 | US4202944 Selective ion exchange resins with pyridyl-imidazolyl chelating functional groups |
| 05/06/1980 | US4201648 Nickel recovery from sulfur-deficient mattes |
| 04/29/1980 | US4200504 Hydrometallurgy |
| 04/15/1980 | CA1075474A1 Separation of cobalt and nickel |
| 04/01/1980 | US4196076 Separation of cobalt and nickel by solvent extraction |
| 03/25/1980 | US4195065 Leaching nickeliferous oxide ores |
| 03/25/1980 | US4194905 Solvent-extraction process for recovery and separation of metal values |
| 03/11/1980 | CA1073217A1 Recovery of metal values from basic aqueous ammoniacal leach liquor |
| 01/08/1980 | US4182747 Chlorides of aluminum, molybdenum, vanadium, cobalt, nickel; separating hydrocarbons impregnating waste catalyst support; chlorinating; passing effluent through sodium chloride |
| 01/08/1980 | CA1069276A1 Operating method |
| 09/25/1979 | CA1062878A1 Oxidation-resistant nickel and cobalt sulfides and method for preparing same |
| 09/11/1979 | CA1062018A1 Recovery of nickel and cobalt carbonates from leach solutions |
| 08/07/1979 | CA1059770A1 Hydrometallurgical treatment process for extracting constituent metal values from ferro-nickel |
| 08/07/1979 | CA1059769A1 Extraction of metal values from leached slurries |
| 05/15/1979 | CA1054379A1 Halidation of nonferrous metal values in manganese oxide ores |
| 05/08/1979 | CA1053914A1 Metal recovery from sulfate solutions |
| 04/10/1979 | US4148816 Alkali metal mercaptide solvent extraction of cobalt, nickel |
| 04/10/1979 | US4148815 Amino-thiol nickel and cobalt solvent extraction |
| 04/10/1979 | US4148813 Hydrometallurgy |
| 04/10/1979 | US4148631 Stripping of cobalt from nickel-cobalt loaded organic |
| 03/13/1979 | CA1050280A1 High temperature neutralization of laterite leach slurry |
| 03/13/1979 | CA1050237A1 Method for preparing a stable tetravalent nickel oxyhydroxide having the formula ni2ox.h2o wherein x is greater than 3.0 and less than 4.0 |
| 03/06/1979 | CA1049796A1 Process for the extraction of metal ions from an aqueous solution |
| 02/27/1979 | CA1049267A1 Method of reclaiming nickel values from a nickeliferous alloy |
| 01/30/1979 | CA1047258A1 Process for recovering copper from basic salt mixtures |
| 01/16/1979 | CA1046287A1 Atmospheric leaching of matte containing iron |
| 01/16/1979 | CA1046241A1 Preparation of nickel black |
| 01/02/1979 | US4132619 Borided cobalt-iron-nickel mixed oxide spinel |
| 12/26/1978 | US4131641 Nickel recovery process |
| 12/19/1978 | US4130626 Flotation separation of iron oxide from undigested matte particles obtained from autoclave leach residues |
| 11/14/1978 | US4125588 Nickel and magnesia recovery from laterites by low temperature self-sulfation |
| 10/31/1978 | US4123260 Chelating ion exchange resin having aminocarboxylic acid functional groups |
| 10/24/1978 | CA1041026A1 Process for the recovery of carbonyls and carbon monoxide from carbonyl process gases |
| 10/24/1978 | CA1040866A1 Refining of chloride salts |
| 09/26/1978 | CA1039234A1 Process for the production of high-purity metals from nickeliferous mattes |
| 09/26/1978 | CA1039065A1 Copper cementation |
| 09/26/1978 | CA1039028A1 Production of freeze-dried metal salts |
| 09/19/1978 | US4115106 Method for producing metallic oxide compounds |
| 09/12/1978 | CA1038169A1 Carbonylation process |
| 08/29/1978 | US4110401 Leaching |
| 08/29/1978 | US4110400 Selective precipitation of nickel and cobalt sulfides from acidic sulfate solution |
| 08/22/1978 | US4108965 (NF4)2 NiF6 High energy solid propellant oxidizer and method of producing the same |
| 08/22/1978 | US4108958 Extraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(II) and Mg(II) metal values using 2-hydroxy iminoacetic acids |
| 07/11/1978 | US4100163 Substituted 8-sulfonamidoquinolines |
| 07/04/1978 | US4098870 Acid leaching of nickeliferous oxide ores with minimized scaling |
| 06/27/1978 | US4097575 Roast-neutralization-leach technique for the treatment of laterite ore |
| 06/27/1978 | US4097272 Winning nickel and cobalt with mercaptide extractants and carbon monoxide strip |
| 06/13/1978 | US4094754 Nickel, copper, iron, sulfur |
| 04/18/1978 | US4084545 Operating method |
| 04/11/1978 | US4083810 Vibratory spiral conveyor chute |
| 03/21/1978 | US4080418 Extraction of cobalt, copper and nickel values from ammoniacal solutions with chelating exchange resins of restored capacity |
| 02/14/1978 | US4073860 Heating, acidity, hydrogen sulfide |
| 10/11/1977 | US4053578 Process for oxidizing primarily nickel powders |
| 10/11/1977 | US4053553 Method for selective recovery of cadmium from cadmium-bearing waste |
| 09/20/1977 | US4049788 Thermal transformation of metal chlorides to oxides in a fluidized bed |
| 09/13/1977 | US4048472 Vibratory spiral conveyor chute and a resistance heating element |
| 08/30/1977 | US4045541 Reacting nickel and a preferential sulfide former with carbon monoxide and hydrogen sulfide |
| 08/23/1977 | US4044096 Sulfuric acid leaching of nickeliferous laterite |
| 08/16/1977 | US4042664 Method for separating metal constituents from ocean floor nodules |
| 07/26/1977 | US4038298 Countercurrent extraction using a bicarbonate |
| 07/12/1977 | US4035151 Powder-and-gas vibrating reactor |
| 07/05/1977 | US4034059 Separation of cobalt from nickel by ozonation in the presence of ammonium salts |
| 05/31/1977 | US4027004 Manganese, zinc, magnesium, aluminum, gallium, iron, cobalt, nickel, or chromium rhenium oxide |
| 05/31/1977 | US4026910 Converting alpha, beta-unsaturated alcohols to carbonyl compounds |
| 05/17/1977 | US4024054 Bubbles formed by cells of living organisms |
| 05/03/1977 | US4021532 Process for the production of hydrated nickel sulphate |
| 04/26/1977 | US4020081 Certain benzoxazoles and the use thereof as metal extractants |
| 04/19/1977 | US4018865 A-hydroxyoximes, sulfonic acids |
| 04/05/1977 | US4016054 Hydrometallurgical treatment process for extracting constituent metal values from ferro-nickel |
| 03/15/1977 | US4012483 Separation of cobalt from nickel in ammoniacal solutions using 8-hydroxyquinolines |
| 03/01/1977 | US4010249 From water |
| 03/01/1977 | US4010237 Aqueous polyalkylenehexamine solution, oxygen |
| 02/15/1977 | US4008134 Extraction and separation of metals from solids using liquid cation exchangers |
| 02/01/1977 | US4006216 Preparation of nickel black |
| 01/25/1977 | US4005173 Steam stripping of ammoniacal solutions and simultaneous loading of metal values by organic acids |
| 01/11/1977 | US4002719 Recovery of nickel and cobalt carbonates from ammoniacal leach solutions |
| 12/21/1976 | US3998924 Recovery of non-ferrous metals from acidic liquors with a chelate exchange resin in presence of iron(III) |
| 12/14/1976 | US3997331 Ammonium paratungstate |
| 11/16/1976 | US3992270 Iron, nitric acid lixiviation |
| 11/09/1976 | US3991159 High temperature neutralization of laterite leach slurry |
| 11/09/1976 | US3990891 Aluminum halides |
| 10/26/1976 | US3988151 Liquid ion exchange process for the recovery of copper and nickel |
| 09/14/1976 | US3980752 Hydrometallurgical |
| 08/24/1976 | US3976760 Continuously producing and recovering metallic chlorides |