| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 12/18/2007 | CA2387683C Continuous nickel matte converter for production of low iron containing nickel-rich matte with improved cobalt recovery |
| 12/12/2007 | CN101086039A Copper cobalt alloy separation and recovery method |
| 12/12/2007 | CN101086033A Leaching iron removal trough for copper cobalt alloy separation and reclamation |
| 12/11/2007 | CA2478516C A process for the recovery of value metals from base metal sulfide ores |
| 12/11/2007 | CA2340432C Method for the removal of sulfur in the nickel leaching process |
| 12/06/2007 | WO2006137914A3 Process for extraction of metals from ores or industrial materials |
| 12/05/2007 | CN100352583C Ultrafine cobalt metal powder, process for production thereof and use of cobalt metal powder and of cobalt carbonate |
| 12/04/2007 | CA2243610C Procedure for concentrating ore containing oxidic nickel |
| 11/29/2007 | WO2006043154A8 Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ora |
| 11/29/2007 | US20070273071 Method and Apparatus for Controlling Metal Separation |
| 11/28/2007 | EP1532301B1 Method for the production of catalysts |
| 11/28/2007 | EP1499751B1 Atmospheric pressure leach process for lateritic nickel ore |
| 11/28/2007 | CN101078061A Method for treating middle and low grade nickel laterite |
| 11/21/2007 | CN101076611A Successive or simultaneous extracting mineral containing nickel and cobalt |
| 11/14/2007 | CN101072885A Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 11/14/2007 | CN101070569A Process for producing high-nickel material using blast furnace |
| 11/14/2007 | CN101070563A Method for treating cobalt-copper alloy by sulfuric acid |
| 11/13/2007 | US7294319 Method for precipitating iron from a zinc sulphate solution as hematite |
| 11/07/2007 | EP1851346A1 Process for enhanced acid leaching of laterite ores |
| 11/07/2007 | EP1851345A1 Production of ferronickel |
| 11/07/2007 | CN101068940A Producing ferronickel or nickel matte through wet metallurgical and fire metallurgical combined method |
| 11/07/2007 | CN101067167A Method for recovering micro-nickel and cobalt from manganese ore |
| 11/07/2007 | CN100347318C Method for separating and recovering cobalt and molybdic from waste cobalt-molybdic catalyst |
| 11/01/2007 | US20070251351 introducing melt of nickel nitrate hydrate free from solvent into heated reaction vessel as liquid droplets or liquid flow and thermally decomposing in gas phase at 1200 degrees C. or more and at oxygen partial pressure equal to or below equilibrium oxygen partial pressure of nickel-nickel oxide |
| 10/31/2007 | CN101063185A Nickel-ferrum smelting technique for nickel oxide ore by submerged arc furnace |
| 10/25/2007 | WO2001016383A3 Process and solution |
| 10/25/2007 | US20070248514 Solvent Extraction Process for Separating Cobalt and/or Nickel from Impurities in Leach Solutions |
| 10/24/2007 | CN101058852A Multistage counter current acid leaching process containing nickel serpentine ore |
| 10/18/2007 | WO2007117169A1 Method for processing oxidised nickel-cobalt ore |
| 10/18/2007 | WO2007074360A3 Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 10/18/2007 | WO2006069416A9 Extraction of nickel and cobalt from a resin eluate stream |
| 10/11/2007 | WO2007112562A1 Nickel sulphide precipitation processes |
| 10/11/2007 | CA2647965A1 Nickel sulphide precipitation processes |
| 10/10/2007 | EP1841891A1 Extraction of nickel and cobalt from a resin eluate stream |
| 10/10/2007 | CN101049933A Method for preparing metallic and nonmetallic Nano granules through hydrolysis method for compound containing magnesium |
| 10/09/2007 | US7279024 High purity cobalt, method of manufacturing thereof, and high purity cobalt targets |
| 10/04/2007 | WO2007109976A1 A process for recycling ni and co from nickel oxide ore or nickel silicate ore |
| 10/03/2007 | EP1627087B1 A process for the recovery of value metals from material containing base metal oxides |
| 10/03/2007 | EP1346072B1 Apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 09/27/2007 | WO2007106969A1 Process for recovering value metal species from laterite-type feedstock |
| 09/19/2007 | EP1834001A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 09/17/2007 | CA2538962A1 Process for recovering value metal species from laterite-type feedstock |
| 09/13/2007 | US20070209481 Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite ores |
| 09/12/2007 | CN101035916A Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 09/11/2007 | US7268273 Recovering metals from soil |
| 09/07/2007 | WO2007099365A1 Catalyst reprocessing |
| 09/07/2007 | WO2007099315A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 09/07/2007 | CA2642968A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 09/07/2007 | CA2641150A1 A process for reprocessing of a fischer-tropsch catalyst |
| 08/30/2007 | WO2007095866A1 Method for increasing the percentage of argillaceous and limonitic mineral solids in pulp supplied to autoclaves in pressurised acid leaching |
| 08/30/2007 | WO2007095865A1 METHOD FOR OBTAINING Fe3+ IONS IN ORDER TO ELIMINATE H2S FROM LIQUID EFFLUENTS |
| 08/29/2007 | EP1825010A1 Consecutive or simultaneous leaching of nickel and cobalt containing ores |
| 08/29/2007 | EP1778883A4 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
| 08/23/2007 | WO2007092994A1 Processing of laterite ore |
| 08/23/2007 | CA2640550A1 Processing of laterite ore |
| 08/22/2007 | CN1333092C Mixed ammonia leaching method for multi-metal concretion and cobalt-rich skull in deep sea |
| 08/22/2007 | CN101020963A Biological leaching process for separating out metal ions from waste battery directly |
| 08/22/2007 | CN101020958A Combined bottom rotating furnace-electric furnace process for treating red mud nickel ore to produce ferronickel |
| 08/22/2007 | CN101020957A Process of fast reducing carbon-containing red mud nickel ore pellet to beneficiate nickel in a bottom rotating furnace |
| 08/16/2007 | WO2007092219A1 Method for refining non-ferrous metal |
| 08/16/2007 | CA2641087A1 Method for refining non-ferrous metal |
| 08/15/2007 | EP1405924B1 Method for producing granular metal |
| 08/15/2007 | CN1332047C Process for nickel and cobalt extraction from laterite ores |
| 08/15/2007 | CN101016581A Method of synthetically and highly effectively reclaiming nickel and magnesium resource from nickel-containing serpentine |
| 08/14/2007 | US7255922 Inorganic nanoparticle and method for producing the same |
| 08/09/2007 | WO2007088010A1 Monodisperse, macroporous chelating resins in metal winning |
| 08/09/2007 | WO2007087698A1 Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents |
| 08/09/2007 | US20070180953 Converting divalent copper ions contained in an aqueous solution of cobalt chloride to monovalent ions by injecting an inert gas and contacting the solution with elemental cobalt; adjusting the HCl concentration to 0.1 to 3 kmol/m3; and separating the monovalent copper ions using an anion exchange resin |
| 08/09/2007 | CA2648095A1 Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents |
| 08/09/2007 | CA2640479A1 Chelating resins in metal recovery |
| 08/08/2007 | CN1330780C Reductive ammoniacal leaching of nickel and cobalt bearing materials |
| 08/08/2007 | CN101014724A 镍的回收 Nickel recovery |
| 08/02/2007 | US20070175298 Method for refining non-ferrous metal |
| 08/01/2007 | EP1812611A1 Method for producing fine, low bulk density, metallic nickel powder |
| 08/01/2007 | EP1558773B1 Heap leaching base metals from laterite ores |
| 07/25/2007 | CN1328398C Method for extracting platinum-palladium and base metal from platinum metal sulphide ore |
| 07/25/2007 | CN1328396C Method for extracting vanadium, molybdenum, nickel, cobalt, aluminium from waste aluminium base catalyst |
| 07/25/2007 | CN101006190A Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid and water leaching |
| 07/25/2007 | CN101003860A New method for extracting nickel from enriched ore of nickel sulfide |
| 07/25/2007 | CN101003858A Method for recovering valuable metal from v, mo, and nickel-containing waste |
| 07/19/2007 | WO2007079532A1 Hematite precipitation |
| 07/19/2007 | WO2007079531A1 Method for the precipitation of nickel |
| 07/19/2007 | US20070166214 Reductive ammoniacal leaching of nickel and coblat bearing |
| 07/19/2007 | CA2636379A1 Hematite precipitation |
| 07/19/2007 | CA2636378A1 Method for the precipitation of nickel |
| 07/18/2007 | CN1327012C Wet-method for leaching of low-grade high-alkali hybrid copper ore, nickel ore and zinc ore |
| 07/18/2007 | CN101001964A Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
| 07/18/2007 | CN100999788A Process of nickle cobait copper ammine sulfate salt mixture evaporating ammine baking acid immersion |
| 07/18/2007 | CN100999787A Process of nickle cobait double salt sulfated baking acid immersion |
| 07/18/2007 | CN100999786A Process of enriching noble metal from sulfide copper nickle mineral |
| 07/18/2007 | CN100999782A Comprehensive recovering process of multimetal sulfide mineral |
| 07/11/2007 | EP1805335A1 Process for preparing nickel loaded organic extractant solution |
| 07/11/2007 | CN1995414A Vitriol intensified leach extraction method for nickel oxide ore |
| 06/28/2007 | WO2007071108A1 Process of produceing superfine cobalt powder with circulation technology and its apparatus |
| 06/28/2007 | WO2005007898A8 Method for processing oxidized nickel-cobalt ore (variants) |
| 06/27/2007 | CN1986850A Sulfur slag vacuum volatilizing process for enriching noble metal |
| 06/20/2007 | CN1322151C Metallurgy extraction method by wet method with chloride assistance |
| 06/14/2007 | US20070131059 Recovery of nickel |
| 06/13/2007 | EP1794331A1 Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process |
| 06/06/2007 | EP1666614A4 Method for processing oxidises nickel-cobalt ore (variants) |