| Patents for C01G 51 - Compounds of cobalt (4,198) |
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| 02/28/1984 | US4434140 Stripping a solution containing molybdenum and vanadium values |
| 02/22/1984 | EP0100797A1 Method of recovering metals from metal-containing materials |
| 02/21/1984 | US4432953 Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide |
| 02/21/1984 | US4432949 Precipitating vanadium by cooling, extraction of nickel with hydroxyoxime, cobalt with oximes, dioximes, or diketones, and molybdenum and tungsten with tertiary amine |
| 02/15/1984 | EP0100484A1 Method of manufacturing cobalt-epitaxial layered iron oxides for magnetic recording |
| 02/01/1984 | EP0099491A2 Inorganic pigments and process for manufacturing them |
| 01/10/1984 | US4425250 Preparation of finely divided ferrite powders |
| 12/27/1983 | US4423014 Solvent extraction |
| 12/06/1983 | CA1158018A1 Process for production of coc1.sub.2 solution from cobaltic oxide-hydrate |
| 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 |
| 11/08/1983 | US4414124 Method of producing barium-ferrite series powder |
| 10/19/1983 | EP0091640A2 Process for the preparation of ferrites from iron (II) sulfate |
| 10/18/1983 | US4410449 Recovery and reuse of heavy-metal oxidation catalyst from the Witten DMT process |
| 09/27/1983 | US4406697 Radioactive 57 Co source |
| 09/21/1983 | EP0089254A1 Control of silica scaling during acid leaching of lateritic ore |
| 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 |
| 09/13/1983 | US4404119 Oxidation of tetracarbonylcobaltate |
| 09/07/1983 | EP0088006A1 Process for the preparation of porous products based on cobalt fluoride or lead fluoride |
| 09/06/1983 | US4403060 Plastic colored with transparent iron oxide spinels |
| 08/30/1983 | US4401630 Oxidative leaching, metathesis, treating filtrate with ammonia |
| 08/23/1983 | US4400431 Magnesium aluminum spinels |
| 08/23/1983 | US4400299 Formation of dicobalt octacarbonyl |
| 08/16/1983 | US4399109 Control of silica scaling during acid leaching of lateritic ore |
| 07/26/1983 | US4395278 Method for producing cobalt metal powder |
| 07/19/1983 | US4394455 Spinel slip casting composition and articles |
| 07/19/1983 | US4394366 Process for production of CoCl2 solution from cobaltic oxide-hydrate |
| 07/19/1983 | US4394357 Separation of cobalt and nickel by oxidative precipitation with peroxymonosulfuric acid |
| 07/13/1983 | EP0028638B1 Method for producing cobalt metal powder |
| 07/12/1983 | US4392980 Ion exchangers, spinel precursors |
| 07/05/1983 | CA1149178A1 Precipitation of metal values from organic media |
| 06/21/1983 | US4389339 For ammonia oxidation |
| 06/21/1983 | CA1148364A1 Method for producing cobalt metal powder |
| 06/14/1983 | CA1147970A1 Process for cobalt recovery from mixed sulfides |
| 05/24/1983 | US4384885 Process for the recovery of metals from catalysts |
| 05/24/1983 | CA1146702A1 Pyrolytic deposition of a cobalt/tin oxide spinel film |
| 05/10/1983 | US4382872 Metallurgical extractant system |
| 05/10/1983 | CA1145952A1 Process for selective leaching of nickel- copper matte |
| 05/03/1983 | US4382082 Recovery of cobalt values by absorption from ammoniacal solution |
| 05/03/1983 | US4382016 Extractant for the selective removal of cobalt(II) from aqueous solutions |
| 05/03/1983 | US4381937 Method for producing cobalt metal powder |
| 04/05/1983 | CA1143952A1 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons |
| 03/23/1983 | EP0074443A1 Pigments stable at high temperatures |
| 03/23/1983 | EP0074442A1 Yellow pigments stable at high temperatures |
| 03/22/1983 | CA1143258A1 Method of forming a magneto-optical polycrystalline cobalt ferrite layer on a substrate |
| 03/15/1983 | EP0059212A4 Magnesium aluminium spinels. |
| 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 |
| 01/11/1983 | US4368110 With component oxide of group 1b, 2a or 2b metals |
| 01/04/1983 | US4367163 Silica-clay complexes |
| 12/14/1982 | US4363831 Iron oxide and cobalt sulfate |
| 12/14/1982 | CA1137457A1 Metallurgical extractant composition and process |
| 12/07/1982 | US4362767 Magnetic thin film and method of making it |
| 12/07/1982 | US4362704 With sulfuric acid, ferric sulfate |
| 12/01/1982 | EP0065863A2 Method of producing ceramic-forming metal hydroxide and oxide powders |
| 11/30/1982 | CA1136427A1 Polycrystalline diamond and/or cubic boron nitride body |
| 11/23/1982 | US4360445 Oxygen stabilized zirconium-vanadium-iron alloy |
| 11/16/1982 | CA1135716A1 Process for separating cobalt component from hydroesterification reaction mixture |
| 11/16/1982 | CA1135479A1 Pigments stable at high temperatures |
| 11/02/1982 | US4357215 Fast ion conductors |
| 10/12/1982 | US4353883 Selective extraction of cobalt(II) from aqueous solutions with phosphinic acid extractants |
| 10/12/1982 | CA1133514A1 Dual demetalling of oxo products with catalyst recycle |
| 10/06/1982 | EP0061717A1 Substituted cobalt oxide spinels |
| 09/21/1982 | US4350668 Recovery of cobalt component from 3-pentenoic ester synthesis |
| 09/08/1982 | EP0059212A1 Magnesium aluminium spinels. |
| 09/07/1982 | US4348367 Selective removal of cobalt(II) from aqueous solutions with phosphinic extractants |
| 09/07/1982 | CA1130984A1 Pigments stable at high temperatures |
| 08/10/1982 | US4343774 Method for recovering valuable metals from deactivated catalysts |
| 07/27/1982 | US4341648 Method for manufacturing magnetic powder for high density magnetic recording |
| 06/01/1982 | US4332687 Mixture of peroxide and ozone to oxidize and decompose complexes |
| 05/26/1982 | EP0052444A1 A process of producing cobalt (II) chloride |
| 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 |
| 03/30/1982 | US4322314 Solvent exraction of a cobalt carbonyl complex |
| 03/30/1982 | CA1120690A1 Process for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst therefore |
| 03/18/1982 | WO1982000820A1 Magnesium aluminum spinels |
| 03/16/1982 | US4320099 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 03/16/1982 | CA1119819A1 Process for separation and recovery of cobalt by stripping |
| 03/10/1982 | EP0046940A2 Extraction process for the selective removal of cobalt (II) from aqueous solutions |
| 03/10/1982 | EP0046933A2 Extraction process for the selective removal of cobalt (II) from aqueous solutions |
| 03/09/1982 | CA1119416A1 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 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 |
| 01/26/1982 | US4312841 Adding calcium oxide before reductive roast |
| 01/26/1982 | US4312779 Recovery of catalysts |
| 01/26/1982 | CA1116870A1 Method for producing extra fine cobalt metal powder |
| 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 |
| 01/05/1982 | US4309390 Separation of cobalt and manganese from trimellitic acid process residue by extraction, pH adjustment, and magnet |
| 01/05/1982 | US4309290 Magnetically supported particle matrix for accumulating or affecting substances dissolved or finally dispersed in liquids or gas |
| 12/29/1981 | US4308319 Pyrolytic deposition of a cobalt/tin oxide spinel film |
| 12/29/1981 | US4308240 Recovery of cobalt and manganese from ash of residue from manufacture of trimellitic acid by acid extraction |
| 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 |
| 11/03/1981 | US4298580 Separation of cobalt and manganese from trimellitic acid process residue by precipitating as carbonates, redissolving as halides and removing cobalt by magnetic means |