| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 12/01/2005 | US20050265910 Hydrometallurgical process of nickel oxide ore |
| 12/01/2005 | CA2568144A1 Recovery of nickel |
| 11/23/2005 | EP1546418A4 Recovering nickel |
| 11/17/2005 | US20050255319 Skutterudite compound that can be used for a thermoelectric conversion material |
| 11/10/2005 | WO2004101832A3 Microwave enhancement of the segregation roast |
| 11/10/2005 | DE102004018664A1 Verfahren und Anordnung zur Kristallzüchtung aus metallischen Schmelzen oder Schmelzlösungen Method and system for crystal growth from fused metals or fused solutions |
| 11/03/2005 | WO2005102569A1 Production of active nickel powder and transformation thereof into nickel carbonyl |
| 11/02/2005 | EP1591178A1 Production of active nickel powder and transformation thereof into nickel carbonyl |
| 11/02/2005 | EP1315693B1 Recovery of metals from olefin hydroformylation reactions |
| 10/27/2005 | WO2005100622A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 10/27/2005 | WO2005099934A2 Method and arrangement for crystal growth from fused metals or fused solutions |
| 10/27/2005 | US20050235775 Battery recycling |
| 10/27/2005 | CA2563075A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 10/26/2005 | EP1589599A1 Procedure and device for the recycling of batteries |
| 10/26/2005 | EP1589121A1 Battery recycling |
| 10/26/2005 | EP1587964A1 Process for nickel and cobalt extraction from laterite ores |
| 10/25/2005 | CA2265391C Method for leaching nickel from nickel matte |
| 10/20/2005 | WO2005098061A1 Leaching method and recovering method for nickel or cobalt |
| 10/20/2005 | WO2005098060A1 Method for recovering nickel or cobalt |
| 10/19/2005 | EP1586665A1 Producing nickel-base cobalt-base iron-base iron-nickel-base or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting |
| 10/18/2005 | CA2461624C Process for producing nickel carbonyl, nickel powder and use thereof |
| 10/13/2005 | US20050226797 First leaching the low magnesium containing ore fractions such as limonite, with sulfuric acid (H2SO4), sequentially followed by the leaching of the high magnesium-containing ore fractions using H2SO4 released in iron precipitation; iron residue free jarosite solid; recover nickel and cobalt |
| 10/11/2005 | US6953547 Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace |
| 10/06/2005 | WO2005093107A1 Recovery of metals from oxidised metalliferous materials |
| 10/06/2005 | US20050217426 Furnishing nonmetallic precursor compounds comprising metallic-base nickel, cobalt, iron, iron-nickel, or iron-nickel-cobalt compounds, and alloying element, reducing precursor to produce initial metallic particle without melting the initial metallic particle; reduced incidence of ceramic inclusions |
| 10/06/2005 | US20050217422 Method for refining concentrate containing precious metals |
| 10/06/2005 | CA2560594A1 Recovery of metals from oxidised metalliferous materials |
| 10/05/2005 | CN1676634A Pressure oxidation leaching-out method for nickel-cobalt oxide ore |
| 10/04/2005 | US6951960 Complexing amine with metal; stripping; regeneration amine with hydrochloric acid |
| 09/29/2005 | US20050211631 Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions |
| 09/29/2005 | US20050211022 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel |
| 09/28/2005 | EP1190106B1 Fluidized bed reduction of laterite fines with reducing gases generated "in situ" |
| 09/20/2005 | CA2267296C Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose |
| 09/20/2005 | CA2260564C Nickel fine powder and method for preparing the same |
| 09/14/2005 | CN1668771A Method for obtaining cobalt and nickel from ores and ore concentrates |
| 09/14/2005 | CN1668769A Microwave treatment of ores |
| 09/07/2005 | CN1665944A Metallurgy extraction method by wet method with chloride assistance |
| 09/07/2005 | CN1218071C Method and apparatus for processing metals, and the metals so produced |
| 09/06/2005 | US6939509 Mixing metal particles with binder; compaction; removal binder with reducing gas; powder metallurgy |
| 08/17/2005 | CN1654688A Method for preparing high density nano metal material |
| 08/11/2005 | WO2005073416A1 Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions. |
| 08/11/2005 | WO2005073415A1 Solvent extraction process for separating cobalt and/or manganese from impurities in leach solutions |
| 08/11/2005 | CA2554446A1 Solvent extraction process for separating cobalt and/or nickel from impurities in leach solutions. |
| 08/11/2005 | CA2554438A1 Solvent extraction process for separating cobalt and/or manganese from impurities in leach solutions |
| 08/10/2005 | CN1651584A Production method of dentritic morphology nickel powder |
| 08/04/2005 | WO2005071126A1 Mehod for producing iron-nickel alloys from oxide materials and device for carrying out said method |
| 08/03/2005 | EP1558773A1 Heap leaching base metals from oxide ores |
| 08/03/2005 | CN1650038A Atmospheric pressure leach process for lateritic nickel ore |
| 08/03/2005 | CN1650037A Method for refining concentrate containing precious metals |
| 08/02/2005 | US6923328 heating ores using microwaves or sound waves to increasing magnetic sensitivity, then diving into magnetic or nonmagnetic particles |
| 07/28/2005 | WO2005067366A2 Supply system for suspension smelting furnace |
| 07/20/2005 | CN1643170A Method and apparatus for separating metal values |
| 07/13/2005 | EP1252345A4 Solvent extraction of impurity metals from a valuable metal sulphate solution |
| 07/13/2005 | CN1639360A Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions |
| 07/13/2005 | CN1210417C Recovery of nickel and cobalt and copper from sulfidic flotation concentrate by wet metallurgical process |
| 07/07/2005 | WO2005012581A3 Methods for improving the recovery of metal leaching agents |
| 07/07/2005 | DE10356822A1 Verfahren zur Abtrennung von Pb und Ni aus Co-haltigen Gemischen Process for the separation of Pb and Ni of Co-containing mixtures |
| 07/07/2005 | DE10297680T5 Verfahren zur Rückgewinnung von Nickel aus verbrauchtem Katalysator Process for the recovery of nickel from spent catalyst |
| 06/29/2005 | EP1546419A1 Production of metals and alloys using solid carbon produced from carbon-containing gas |
| 06/29/2005 | EP1546418A1 Recovering nickel |
| 06/29/2005 | CN1208163C Method for preparing nano nickel and its alloy powder in water solution by chemical reduction method |
| 06/16/2005 | WO2005054137A1 Method for separating pb and ni from co-containing mixtures |
| 06/08/2005 | EP1206584B1 Solvent extraction process for the separation of cobalt from nickel in aqueous sulphate-containing solutions |
| 06/02/2005 | WO2005049873A1 Method for recovering catalyst metal from waste of terephthalic acid production |
| 06/02/2005 | US20050118082 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores |
| 06/02/2005 | US20050118081 Process for the recovery of value metals from base metal sulfide ores |
| 06/01/2005 | EP1456426B1 A method for the recovery of cobalt |
| 06/01/2005 | CN1204297C Method for removing sulfur in nickel leaching process |
| 05/25/2005 | EP1532301A1 Method for removal of metal contaminants |
| 05/25/2005 | EP1272680B1 Heap leaching of nickel containing ore with sulfuric acid |
| 05/24/2005 | US6896846 Mixing cobalt oxide powder with metal powder to create a powder compact and heating under an ambient inert gas pressure of .08-1 atmospheres; pore-free cobalt alloy |
| 05/24/2005 | CA2188815C Ultrafine cobalt metal powder, process for the production thereof and use of the cobalt metal powder and of cobalt carbonate |
| 05/19/2005 | US20050103157 Recovering metals trapped in ores and slags by reacting laterites, magnetites or iron oxides with carbon, chloride and water using microwave radiation as the primary energy source; the water, carbon and chloride can be recycled |
| 05/18/2005 | CN1201890C Process of producing superfine nickel powder added into active matter for nickel power cell |
| 05/05/2005 | US20050092657 Continuous industrial scale recovery of nickel and cobalt from oxide ores; microwave heating and treating with sulfur or halogen containing reactant to enhance magnetic susceptibility |
| 04/13/2005 | EP1521851A2 Direct production of refined metals and alloys |
| 04/13/2005 | EP1458897B1 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores |
| 04/13/2005 | EP1133576A4 Recovering metals from soil |
| 04/07/2005 | WO2005031013A1 Platinum group metal extraction by ore smelting and conversion |
| 04/07/2005 | WO2005031012A1 A process for the recovery of value metals from base metal sulfide ores |
| 04/06/2005 | EP1409753A4 Solvent extraction of impurities from concentrated metal sulphate solutions |
| 03/31/2005 | US20050069474 Method for precipitating iron from a zinc sulphate solution as hematite |
| 03/30/2005 | EP1425428B1 Method for obtaining cobalt and nickel from ores and ore concentrates |
| 03/30/2005 | CN1602365A A method for precipitating iron from a zinc sulphate solution as hematite |
| 03/16/2005 | CN1596317A Integrated ammoniacal solvent extraction and hydrogen reduction of nickel |
| 03/08/2005 | US6863708 Method for producing metal powder and metal powder, and electroconductive paste and monolithic ceramic capacitor |
| 03/02/2005 | EP1509628A1 Method for refining concentrate containing precious metals |
| 03/02/2005 | CN1191381C Method for preparing nickel powder |
| 02/23/2005 | EP1507878A1 Chloride assisted hydrometallurgical extraction of metals |
| 02/23/2005 | CN1190266C Method for recovery of waste cobalt-contg. catalyst for Fischer-Tropsch synthesis |
| 02/10/2005 | WO2005012584A1 Nickel metal and process for producing the same |
| 02/10/2005 | WO2005012581A2 Methods for improving the recovery of metal leaching agents |
| 02/10/2005 | US20050031512 Clarifying a first aqueous leach pulp by solid-liquid separation and solvent extraction to obtain a raffinate and a second aqueous leach pulp; diluted separation and extraction of the second pulp; pollution control |
| 02/09/2005 | CN1188533C Smelting method for separating Cu, Zn and Co from each other |
| 02/08/2005 | CA2137714C Method for producing high-grade nickel matte from at least partly pyrometallurgically refined nickel-bearing raw materials |
| 02/03/2005 | WO2005010221A1 Method and apparatus for controlling metal separation |
| 02/03/2005 | WO2005010219A1 Method and apparatus for processing metalline sludge |
| 02/03/2005 | CA2532578A1 Method and apparatus for processing metalline sludge |
| 02/03/2005 | CA2531772A1 Method and apparatus for controlling metal separation |
| 01/26/2005 | EP1499751A1 Atmospheric pressure leach process for lateritic nickel ore |