Patents for C01G 53 - Compounds of nickel (5,111)
04/1986
04/09/1986EP0176919A2 Process for the preparation of fine isotropical ferrite powder having a spinel structure
04/02/1986EP0176126A1 Apparatus and process for treating pickling and etching solutions
04/01/1986US4579724 Cathode material for alkali-metal rechargeable cell
04/01/1986US4579721 Process for recovering metals from waste
03/1986
03/25/1986CA1202200A1 Oxygen stabilized zirconium-vanadium-iron alloy
03/19/1986EP0174866A2 Novel collectors for the froth flotation of mineral values
03/04/1986CA1201255A1 Dark brown pigments of pseudobrookite structure
01/1986
01/28/1986US4567101 Ferrimagnetic spinel fibers
01/28/1986US4567031 Process for preparing mixed metal oxides
01/21/1986US4565675 Pollution control
01/14/1986CA1199299A1 Hydrogenation of carbonaceous material
01/08/1986EP0167394A2 Process for removing metals from aluminosilicate materials
01/07/1986US4563213 Extraction and stripping cobalt values
12/1985
12/31/1985US4562124 Air electrode material for high temperature electrochemical cells
12/31/1985US4561988 Process for production of plate-like barium ferrite particles for magnetic recording
12/31/1985US4561887 Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction
12/31/1985CA1198579A1 Production of microcrystalline ferrimagnetic spinels
12/17/1985US4559313 Removal of inorganic contaminants from catalysts
12/10/1985CA1197691A1 Removal of dissolved cadmium from sulphate solution
12/03/1985CA1197383A1 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts
11/1985
11/19/1985US4554138 Leaching metals from spent hydroprocessing catalysts with ammonium sulfate
11/19/1985CA1196907A1 Nickel containing catalysts
11/13/1985EP0161050A1 Process for treating and recovering pickling waste liquids for stainless steel
11/05/1985US4551260 Wet process of preparing fine particles of ferrite of magnetoplumbite structure
10/1985
10/22/1985US4548794 Method of recovering nickel from laterite ores
10/22/1985CA1195510A1 Process for the production of nickel, high-purity magnesium oxide and cement
10/15/1985US4547348 Conditioning of laterite pressure leach liquor
10/15/1985US4547347 Hydrogen sulfide precipitating agent; recycled nickel sulfide seedmaterial
10/08/1985US4545973 Molybdenum or tungsten compounds, high temperature lubricants
09/1985
09/25/1985EP0145728A4 Extraction of metals from ores.
09/24/1985US4543198 Ferrite magnetic material for magnetic recording and process for the preparation thereof
09/17/1985US4541994 Method of liberating nickel- and cobalt-enriched fines from laterite
09/17/1985US4541993 Process for the sulfatization of non-ferrous metal sulfides
09/17/1985US4541973 Production of ferrimagnetic spinel fibers
09/17/1985US4541868 Recovery of nickel and cobalt by controlled sulfuric acid leaching
09/17/1985US4541861 Process for the production of cobalt, nickel and copper powders from chelating extractants
09/03/1985US4539186 Method for leaching and recovering vanadium from vanadium bearing by-product materials
07/1985
07/17/1985EP0148656A1 New mixed oxides for tunable lasers
07/09/1985US4528167 Selective solvent extraction using organophosphorus and carboxylic acids and a non-chelating aldehyde oxime
07/09/1985CA1190128A1 Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores
07/09/1985CA1190048A1 Selective solvent extraction using organophosphorus and carboxylic acids
06/1985
06/26/1985EP0145728A1 Extraction of metals from ores
06/25/1985US4525331 Process for purifying molybdenum trioxide
06/19/1985EP0145561A2 Fibrous material for an electrolyzer diaphragm, and diaphragm comprising such material
06/19/1985EP0145229A1 Production of barium ferrite particles
06/18/1985US4524049 Vanadium and nickel
06/11/1985US4522940 Impregnating matrix with hydrolysable mateerial and metal salt solution
06/04/1985US4521383 Lime addition to heavy crude oils prior to coking
06/04/1985US4521382 Pollution control
05/1985
05/23/1985WO1985002208A1 Fiber material for electrolyzer diaphragm and diaphragm comprising such a material
05/07/1985US4515757 Stripping a solution containing molybdenum, tungsten and/or vanadium values
04/1985
04/30/1985US4514518 Fluoride-substituted cobalt spinels
04/30/1985US4514369 Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from an aqueous ammonia and ammonium salt solution by coextracting molybdenum, tungsten and vanadium and sequential extraction of nickel and cobalt
04/30/1985US4514368 Leaching nickel, cobalt, molybdenum, tungsten, and vanadium from spent hydroprocessing catalysts
04/17/1985EP0137048A1 Extractant for use in extractive separation of nickel and cobalt and process of using same
04/16/1985US4511541 Process for the recovery of cadmium and other metals from solution
02/1985
02/19/1985US4500495 Roasting, contacting with aqueous ammonia and sulfur dioxide, precipitation with hydrogen sulfide
02/05/1985US4497726 Electrode material
01/1985
01/23/1985EP0131685A2 Synthetic expanded layered minerals and process for producing them
01/22/1985US4495157 Recovery of metal values from spent hydrodesulfurization catalysts
01/22/1985US4495080 Method for preparing a cation exchanger
01/15/1985CA1180903A1 Separation of cobalt and nickel
12/1984
12/19/1984EP0128262A1 Complex metal chalcogenides
12/19/1984EP0128181A1 Cathode material for alkali-metal rechargeable cell.
12/18/1984CA1179508A1 Process for recovering magnesium and/or nickel by means of liquid-liquid extraction
12/06/1984WO1984004759A1 Extraction of metals from ores
12/05/1984EP0127427A2 Production of microcrystralline ferrimagnetic spinels
12/04/1984US4486401 Oxides of nickel, zinc and iron
11/1984
11/27/1984US4485085 Process for producing ferrimagnetic spinel fibers
11/21/1984EP0125810A1 Oxygen-deficient, barium-containing perovskites
11/13/1984US4482644 Oxygen-deficient, barium-containing perovskites
10/1984
10/31/1984EP0123530A2 Production of ferrimagnetic spinel fibres
10/31/1984EP0123529A2 Ferrimagnetic spinel fibres
10/17/1984EP0122055A1 Production of fine ferrimagnetic spinels
10/09/1984US4476324 Improved catalyst of anionic clay mineral
10/02/1984US4474735 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts
09/1984
09/25/1984US4473542 Production of microcrystalline ferrimagnetic spinels
09/18/1984US4472369 Process for producing ferrites
08/1984
08/30/1984WO1984003305A1 Extractant for use in extractive separation of nickel and cobalt and process of using same
08/21/1984US4466828 Process for smelting nickel
07/1984
07/24/1984CA1171287A1 Acid leaching of lateritic nickel ores
06/1984
06/21/1984WO1984002333A1 Cathode material for alkali-metal rechargeable cell
06/12/1984US4454244 Catalytic smectites by roasting a cluster compound and reaction product of a di- and trivalent metal salt
06/05/1984CA1168617A1 Electrolytic production of hydroxylated nickel compound under acid condition
05/1984
05/15/1984US4448694 Metal extraction from solution and immobilized chelating agents used therefor
04/1984
04/11/1984EP0105122A2 Processes for making ferrite powder and ferrite blocks
04/10/1984US4442074 Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous ammonia and ammonium salt solution by serial extraction of nickel and cobalt and coextracting molybdenum and vanadium
04/10/1984US4442073 Oxidation, solvent extraction, precipitation
04/10/1984US4442072 Selective recovery of base metals and precious metals from ores
04/03/1984US4440713 Process for making fine magnetic ferrite powder and dense ferrite blocks
04/03/1984CA1164642A1 Intercalated layered mixed oxides
03/1984
03/20/1984CA1163810A1 Process for the removal of vanadium-containing acid from an acid-extracted deactivated demetallization catalyst
03/06/1984US4435369 Leaching with solution of metal and chloride ions and oxidizing agent
03/06/1984US4435368 Hydrometallurgical process for selective dissolution of mixtures of oxy compounds
02/1984
02/28/1984US4434141 Leaching spent hydroprocessing catalysts
02/28/1984US4434140 Stripping a solution containing molybdenum and vanadium values
02/21/1984US4432953 Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide
02/21/1984US4432949 Precipitating vanadium by cooling, extraction of nickel with hydroxyoxime, cobalt with oximes, dioximes, or diketones, and molybdenum and tungsten with tertiary amine
02/14/1984US4431615 Process for the recovery of magnesium and/or nickel by liquid-liquid extraction
01/1984
01/10/1984US4425250 Preparation of finely divided ferrite powders
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