| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 06/05/2007 | CA2204525C Micron sized nickel metal powder and a process for the preparation thereof |
| 05/30/2007 | EP1790739A1 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 |
| 05/30/2007 | EP1546419B1 Production of metals and alloys using solid carbon produced from carbon-containing gas |
| 05/30/2007 | CN1973399A Method of disposing of lithium battery |
| 05/30/2007 | CN1318619C Process for removing copper of cobalt electrolytic solution |
| 05/18/2007 | WO2007053919A1 The combined leaching process |
| 05/18/2007 | CA2629167A1 A combined leaching process for extracting nickel and cobalt from a nickel/cobalt-containing ore |
| 05/16/2007 | EP1785684A1 Lifter for rotary heat exchanger, rotary heat exchanger with the lifter, and heat treatment method for nickel oxide ore |
| 05/16/2007 | EP1784516A1 Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid water leaching |
| 05/09/2007 | CN1958815A Biological extract technology for ore of cobalt nickel oxide |
| 05/07/2007 | CA2525625A1 Process and apparatus for producing pure nickel and cobalt from ores thereof |
| 05/07/2007 | CA2525466A1 Re-activation of de-activated nickel for nickel carbonyl production |
| 05/02/2007 | EP1778883A1 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
| 05/01/2007 | CA2221703C Process for recovery of metal ions |
| 04/25/2007 | EP1777304A1 Method of recovering nickel or cobalt |
| 04/25/2007 | CN1952187A Process for extracting tungsten metal and other rare metal from waste and old hard alloy |
| 04/19/2007 | WO2007042604A1 A method for leaching metal sulphide minerals |
| 04/18/2007 | CN1948525A Carbonyl group method of extracting cobalt in nickel copper alloy |
| 04/18/2007 | CN1311090C Bessemer matte production method using nickel sulfide materials |
| 04/18/2007 | CN1311089C Method of bulk infusion extracting nickel cobalt from low grade red soil nickel ore |
| 04/17/2007 | CA2142639C Method and apparatus for suspension smelting |
| 04/12/2007 | WO2007039938A1 METHOD OF ROASTING V, Mo AND Ni-CONTAINING MATTER, AND ROTARY KILN FOR ROASTING OF V, Mo AND Ni-CONTAINING MATTER |
| 04/12/2007 | WO2007039665A1 Method for processing nickel bearing raw material in chloride-based leaching |
| 04/12/2007 | WO2007039664A1 Sodium chloride processing of nickel sulphide ore or concentrates |
| 04/12/2007 | WO2007039663A1 Processing of nickel sulphide ore or concentrates with sodium chloride |
| 04/12/2007 | CA2624612A1 Method for processing nickel bearing raw material in chloride-based leaching |
| 04/12/2007 | CA2624609A1 Processing of nickel sulphide ore or concentrates with sodium chloride |
| 04/12/2007 | CA2624296A1 A method of recovering a valuable metal comprising v, mo and ni, and a system for such recovery |
| 04/05/2007 | WO2007035978A1 Process for leaching lateritic ore at atmospheric pressure |
| 04/04/2007 | EP1769095A1 Recovery of nickel |
| 04/04/2007 | EP1769092A1 Improved leaching of base metals |
| 04/04/2007 | CN1942594A Method of roasting V, MO and NI-containing matter, and rotary kiln for roasting of V, MO and NI-containing matter |
| 04/04/2007 | CN1308471C Method for obtaining cobalt and nickel from ores and ore concentrates |
| 04/03/2007 | US7198770 Process for producing nickel carbonyl, nickel powder and use thereof |
| 03/30/2007 | CA2521817A1 Process for leaching lateric ore at atmospheric pressure |
| 03/28/2007 | CN1938436A Recovery of metals from oxidised metalliferous materials |
| 03/28/2007 | CN1936035A P204 deferrizing regeneration method |
| 03/27/2007 | CA2243608C Procedure for reducing the water content of ore pulp containing oxidic nickel |
| 03/21/2007 | EP1366202B1 A method for the bacterially assisted heap leaching of chalcopyrite |
| 03/21/2007 | CN1306049C Ferronickel smelting process of nickel oxide ore free of crystal water in blast furnace |
| 03/21/2007 | CN1305617C Production method of dentritic morphology nickel powder |
| 03/13/2007 | CA2383818C Recovery of nickel and copper from sulphide concentrates by bioleaching |
| 03/07/2007 | EP1760821A1 Method of disposing of lithium battery |
| 03/07/2007 | CN1303230C Pressure oxidation leaching-out method for nickel-cobalt oxide ore |
| 02/28/2007 | CN1919443A Hydrogen sulfide absorption and utilization device |
| 02/22/2007 | US20070041884 Resin and process for extracting non-ferrous metals |
| 02/21/2007 | CN1301337C Once process for extracting and separating Ni, Mg and Co from nickel sulfate solution recovered from waste nickel-hydrogen and nickel-cadmium cells |
| 02/15/2007 | WO2007016737A1 Hydrometallurgical method for the extraction of nickel and cobalt from laterite ores |
| 02/15/2007 | WO2006078901A3 Process for the recovery of materials from a desulfurization reaction |
| 02/15/2007 | US20070034056 Beneficiating laterite ores by scrubbing, screening,classification to separate into an upgraded fraction and low graded fraction free of fines and clay; processing the upgraded; heap leaching the low graded fraction for further nickel/cobalt recovery; hydrometallurgy; efficiency; wastetreatment |
| 02/15/2007 | US20070034053 Production of active nickel powder and transformation thereof into nickel carbonyl |
| 02/15/2007 | CA2618142A1 Hydrometallurgical method for the extraction of nickel and cobalt from laterite ores |
| 02/14/2007 | EP1752550A1 Method of recovering nickel and cobalt |
| 02/14/2007 | CN1300352C Nickel-iron smelting process from nickel oxide ore containing crystal water through blast furnace |
| 02/07/2007 | CN1910298A Supply system for suspension smelting furnace |
| 02/06/2007 | CA2331160C Rotary thermal oxidizer for battery recycling |
| 02/06/2007 | CA2221963C Cobalt metal agglomerates, a method of producing them and their use |
| 02/06/2007 | CA2221773C Cobalt metal agglomerates, process for producing the same and their use |
| 01/30/2007 | US7169206 Multistage process for recovering cobalt, nickel or iron and forming slags |
| 01/25/2007 | WO2006037120A3 Method and apparatus for separating metal values |
| 01/24/2007 | EP1307600A4 Method for reducing the oxygen and oxide content in cobalt to procuce cobalt sputtering targets |
| 01/23/2007 | CA2367606C Oxidative pressure leach recovery using halide ions |
| 01/17/2007 | CN1295359C Method for preparing nano metal material |
| 01/10/2007 | EP1740331A2 Method and arrangement for crystal growth from fused metals or fused solutions |
| 01/02/2007 | CA2371159C Fluidized bed reduction of laterite fines with reducing gases generated in situ |
| 12/26/2006 | US7152741 Use of ozone to increase the flotation efficiency of sulfide minerals |
| 12/14/2006 | US20060278040 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 12/13/2006 | EP1731623A1 Leaching method and recovering method for nickel or cobalt |
| 12/13/2006 | EP1731622A1 Method for recovering nickel or cobalt |
| 12/13/2006 | CN1289245C Method for preparing non-magnetic nickel powders |
| 12/06/2006 | EP1727916A1 Recovery of metals from oxidised metalliferous materials |
| 11/23/2006 | US20060263282 Process for nickel and cobalt extraction from laterite ores |
| 11/22/2006 | CN1865460A Method for extracting vanadium,molybdenum,nickel,cobalt,aluminium from waste aluminium base catalyst |
| 11/21/2006 | US7138005 Nickel refining method |
| 11/16/2006 | WO2006119559A1 An improved process for heap leaching of nickeliferous oxidic ores |
| 11/16/2006 | CA2608117A1 An improved process for heap leaching of nickeliferous oxidic ores |
| 11/15/2006 | CN1861817A Tech. of extracting metallic cobait from magnetic-iron ore tailing slag |
| 11/15/2006 | CN1284869C Method for soaking valuable metal from polymetallic nodule in ocean |
| 11/14/2006 | CA2467288C A process for the recovery of value metals from material containing base metal oxides |
| 11/08/2006 | CN1858273A Normal pressure leaching method for treating low iron nickel oxide ore |
| 11/02/2006 | EP1716262A1 Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions. |
| 11/02/2006 | EP1499751A4 Atmospheric pressure leach process for lateritic nickel ore |
| 10/26/2006 | WO2006113944A1 Separation of nickel from cobalt by using chloridizing solution and cobalt-selective resin |
| 10/25/2006 | EP1488015B1 Process for the recovery of nickel from spent catalyst |
| 10/17/2006 | US7122164 Having significant activity for multivalent cations; useful for removing a contaminant metal ion from a contaminated solution |
| 10/10/2006 | US7118719 Using sulfate; neutralization, leaching, electrolysis |
| 09/28/2006 | US20060213331 Method for reducing metal oxide and method for producing hydrogen |
| 09/27/2006 | CN1837386A Wet-method for leaching of low-grade high-alkali hybrid copper ore, nickel ore and zinc ore |
| 09/27/2006 | CN1837381A Highly-efficiency process for extracting fine nickel from waste electrolyte |
| 09/21/2006 | WO2005098061A8 Leaching method and recovering method for nickel or cobalt |
| 09/21/2006 | WO2005098060A8 Method for recovering nickel or cobalt |
| 09/08/2006 | WO2006041695A3 Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 09/06/2006 | EP1697549A1 A process for extraction of nickel from low grade chromite ore |
| 09/06/2006 | EP1456427A4 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel |
| 09/06/2006 | EP1325165B1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 09/06/2006 | CN1829809A Method and apparatus for controlling metal separation |
| 09/06/2006 | CN1829808A Method and apparatus for processing metalline sludge |
| 09/06/2006 | CN1827799A Method for recovering nickel and cobalt from nickel oxide ore and nickel silicide ore |
| 09/06/2006 | CN1273250C Metal nickel powder, its prepn. method, conductive paste and multi-layer ceramic capacitor |
| 08/31/2006 | WO2006089358A1 Production of ferronickel |