| Patents for C01G 53 - Compounds of nickel (5,111) |
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| 12/27/1983 | US4423158 Ion adsorbent for metals having a coordination number greater than two |
| 12/07/1983 | EP0095783A2 Catalyzed aldol condensations |
| 11/30/1983 | EP0095358A1 Method of recovering metal values from superalloy scrap |
| 11/30/1983 | EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate |
| 11/15/1983 | US4415542 Easy descaling of water-soluble magnesium sulfate-hematite |
| 11/15/1983 | US4415541 Method of recovering nickel from a spent fat hardening catalyst |
| 11/15/1983 | CA1156953A1 Lime addition to heavy crude oils prior to coking |
| 11/15/1983 | CA1156952A1 Formation of coke from heavy crude oils in the presence of calcium carbonate |
| 11/08/1983 | US4414124 Method of producing barium-ferrite series powder |
| 11/08/1983 | CA1156642A1 Method for preparing a cation exchanger and method for using such an exchanger for extracting metals from liquids |
| 11/01/1983 | CA1156047A1 Recovery of uranium from material containing iron, arsenic and siliceous matter |
| 10/18/1983 | US4410498 Acid leaching of nickel from serpentinic laterite ores |
| 09/27/1983 | US4406864 Recovery of uranium from material containing iron, arsenic and siliceous matter |
| 09/21/1983 | EP0089254A1 Control of silica scaling during acid leaching of lateritic ore |
| 09/21/1983 | EP0088848A2 Process for the preparation of a stable sol or a dispersible gel |
| 09/20/1983 | US4405570 Precipitation of cadmium and copper sulfide |
| 09/20/1983 | US4405569 Hydrometallurgical process for extracting metal values from complex ores containing arsenic and sulfur |
| 08/30/1983 | US4401630 Oxidative leaching, metathesis, treating filtrate with ammonia |
| 08/16/1983 | US4399109 Control of silica scaling during acid leaching of lateritic ore |
| 08/16/1983 | CA1151846A1 Method for producing nickel hydroxide |
| 07/19/1983 | US4394357 Separation of cobalt and nickel by oxidative precipitation with peroxymonosulfuric acid |
| 07/12/1983 | US4392980 Ion exchangers, spinel precursors |
| 07/05/1983 | CA1149178A1 Precipitation of metal values from organic media |
| 06/28/1983 | US4390447 Manufacturing process for nickel (II) hydroxide |
| 06/14/1983 | CA1147970A1 Process for cobalt recovery from mixed sulfides |
| 05/31/1983 | US4386040 Air firing nickel powder and lithium oxide |
| 05/24/1983 | US4384885 Process for the recovery of metals from catalysts |
| 05/24/1983 | CA1146723A1 Removal of selenium from acidic copper/nickel solutions |
| 05/10/1983 | US4382872 Metallurgical extractant system |
| 05/10/1983 | CA1145952A1 Process for selective leaching of nickel- copper matte |
| 04/06/1983 | EP0075930A2 Process for producing magnesium and/or nickel by liquid-liquid extraction |
| 04/05/1983 | CA1143952A1 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons |
| 03/15/1983 | US4376709 Ion exchanging |
| 03/15/1983 | US4376653 Process for the production of nickel, high-purity magnesium oxide and cement |
| 02/23/1983 | EP0072437A2 Process for the preparation of finely divided ferrite powder |
| 02/23/1983 | EP0072436A2 Process for the preparation of finely divided ferrite powder |
| 02/22/1983 | US4374808 Removal of selenium from acidic copper/nickel solutions |
| 02/15/1983 | US4374101 Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores |
| 02/08/1983 | US4372865 Carbonate/hydroxide coprecipitation process |
| 02/08/1983 | CA1140766A1 Dissolution of nickeliferous sulfide material |
| 01/04/1983 | US4367163 Silica-clay complexes |
| 01/04/1983 | CA1138650A1 Purification of nickel chloride solutions |
| 12/14/1982 | CA1137457A1 Metallurgical extractant composition and process |
| 11/23/1982 | US4360445 Oxygen stabilized zirconium-vanadium-iron alloy |
| 11/02/1982 | US4357215 Fast ion conductors |
| 08/25/1982 | EP0058453A1 Method of recovering nickel from a spent fat hardening catalyst |
| 08/10/1982 | US4343774 Method for recovering valuable metals from deactivated catalysts |
| 06/29/1982 | US4337226 Recovery of platinum-group metals from ores |
| 05/25/1982 | CA1124085A1 Liquid-liquid extraction of nickel values |
| 05/19/1982 | EP0051999A1 Intercalated layered mixed oxides |
| 04/06/1982 | US4323541 Selective two stage leaching of nickel from nickel-copper matte |
| 03/30/1982 | US4322397 Process for changing the morphology of metal sulfates |
| 03/16/1982 | US4320099 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 03/09/1982 | CA1119416A1 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 02/09/1982 | US4314976 Ammonium hydroxide leaching, ph regulated solvent extraction |
| 02/09/1982 | CA1117829A1 Conductive metal oxide film for solar energy control |
| 02/09/1982 | CA1117770A1 Nickel and cobalt extractant and method of use |
| 02/09/1982 | CA1117769A1 Winning nickel and cobalt with mercaptide extractants and carbon monoxide strip |
| 01/20/1982 | EP0044117A2 Catalyst |
| 01/19/1982 | CA1116412A1 Recovery of nickel and cobalt from leach slurries |
| 01/13/1982 | EP0043776A1 Alumina-based mixed oxide compounds, manufacturing process and use thereof |
| 01/12/1982 | CA1116158A1 Impregnated polymers |
| 12/29/1981 | US4308299 Lithiated nickel oxide |
| 12/08/1981 | US4304644 Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt |
| 12/01/1981 | CA1113494A1 Sulfonamido oximes, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 11/24/1981 | US4302518 Electrochemical cell with new fast ion conductors |
| 11/18/1981 | EP0039773A1 Method of producing barium-ferrite series powder |
| 11/17/1981 | US4301124 Cobalt solvent extraction with dioxime ion exchangers |
| 10/13/1981 | US4294965 Recovering metals from solutions |
| 09/29/1981 | US4292287 Method for directly recovering fluorine from gas streams |
| 09/29/1981 | US4292282 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons |
| 09/02/1981 | EP0034853A1 Process for the removal of vanadium-containing acid from an acid-extracted deactivated demetallization catalyst |
| 08/25/1981 | CA1107678A1 Nickel recovery from sulfur-deficient mattes |
| 08/11/1981 | CA1106617A1 Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt |
| 08/04/1981 | US4282189 Precipitation of metal values from organic media |
| 07/28/1981 | US4280988 Recovery of nickel and cobalt from leach slurries |
| 07/07/1981 | CA1104350A1 Separation of cobalt and nickel by solvent extraction |
| 06/30/1981 | CA1103935A1 Selective precipitation of nickel and cobalt from acidic sulfate solution |
| 06/16/1981 | CA1103040A1 Leaching of nickeliferous oxide ores |
| 06/16/1981 | CA1103039A1 Leaching of nickeliferous oxide ores containing iron and/or aluminum |
| 06/16/1981 | CA1102996A1 Process for preparation of nickel ammine crystals |
| 05/26/1981 | CA1101679A1 Leaching of ni-cu-fe-s matte |
| 05/05/1981 | US4265718 Electrolysis |
| 04/07/1981 | CA1098719A1 Solvent extraction of non-ferrous metals from iron- containing solutions |
| 04/07/1981 | CA1098714A1 Process for recovering vanadium accumulated on spent catalyst |
| 03/24/1981 | CA1097927A1 Nickel recovery |
| 03/17/1981 | CA1097505A1 Extraction of cobalt, copper and nickel values from ammoniacal solutions |
| 03/03/1981 | US4254087 Extraction of copper, nickel and cobalt using alkylaromatic sulfonic acids and chelating amines |
| 03/03/1981 | CA1096636A1 Hydrometallurgical process for the selective dissolution of mixtures of oxy compounds |
| 02/17/1981 | CA1095731A1 Stripping of cobalt from nickel-cobalt loaded organic |
| 01/13/1981 | US4244938 Preparation of transition metal hydrates by direct metal reaction |
| 01/07/1981 | EP0021809A1 Chloride leaching |
| 12/23/1980 | US4241031 Dissolution of nickeliferous sulfide material in HCl |
| 12/23/1980 | CA1092084A1 Method and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extraction |
| 12/16/1980 | US4239699 Sulfonamidophenols, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 12/09/1980 | CA1091042A1 Solvent-extraction process for recovery and separation of metal values |
| 12/02/1980 | US4237062 Sulfonylthiosemicarbazides, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 11/18/1980 | US4234546 Dioxime complexing agent |
| 11/18/1980 | CA1089653A1 Selective recovery of nickel and cobalt or copper and zinc from solution |
| 10/15/1980 | EP0017400A1 Electrochemical cell and method of making ion conductors for said cell |