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