Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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08/31/2006 | CA2597741A1 Production of ferronickel |
08/23/2006 | EP1692079A1 Method for separating pb and ni from co-containing mixtures |
08/23/2006 | EP1468766B1 Method for producing metal powder |
08/23/2006 | CN1823172A Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material |
08/17/2006 | WO2006084335A1 Process for enhanced acid leaching of laterite ores |
08/17/2006 | CA2597440A1 Process for enhanced acid leaching of laterite ores |
08/16/2006 | EP1409753B1 Solvent extraction of impurities from concentrated metal sulphate solutions |
08/16/2006 | EP1339883B1 Method for the hydrolytic precitpitation of iron |
08/16/2006 | EP1242637B1 A bacterially assisted heap leach |
08/16/2006 | CN1818101A Method for recovering metallic elements from mixed gas containing carbonyl substances |
08/16/2006 | CN1269600C Non-magnetic nickel powders and method for preparing the same |
08/15/2006 | CA2256982C Nickel ultrafine powder |
08/10/2006 | US20060178663 Cryoplasty device and method |
08/09/2006 | CN1814827A Method for separating and recovering cobalt and molybdic from waste cobalt-molybdic catalyst |
08/08/2006 | US7087100 Heating a metal compound in a hydrocarbon to convert said metal compound to a solid nanosized member; separating the hydrocarbon from the solid nanosized member; and recovering the solid nanosized member. |
08/03/2006 | US20060169104 Recovering nickel |
08/02/2006 | EP1587964A4 Process for nickel and cobalt extraction from laterite ores |
07/27/2006 | US20060162498 Direct production of refined metals and alloys |
07/27/2006 | DE10297680B4 Extraction of nickel from spent nickel catalyst involves direct leaching with sulfuric acid in presence of small amount of persulfate-based additive |
07/25/2006 | CA2221781C Chloride assisted hydrometallurgical extraction of metal |
07/12/2006 | EP1678336A1 A process for the recovery of value metals from base metal sulfide ores |
07/06/2006 | WO2006070052A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
07/06/2006 | WO2006069416A1 Extraction of nickel and cobalt from a resin eluate stream |
07/06/2006 | CA2593706A1 Extraction of nickel and cobalt from a resin eluate stream |
07/06/2006 | CA2591887A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
07/04/2006 | CA2363031C Improved methods for leaching of ores |
06/21/2006 | EP1507878B1 Chloride assisted hydrometallurgical extraction of metals |
06/14/2006 | CN1788094A Recovery of metal values from cermet |
06/14/2006 | CN1786225A Wet treatment method of iron containing nickel sulfide material |
06/07/2006 | EP1666614A2 Method for processing oxidises nickel-cobalt ore (variants) |
06/07/2006 | EP1664358A1 Method and apparatus for controlling metal separation |
06/07/2006 | EP1337677B1 Direct atmospheric leaching of highly-serpentinized saprolitic nickel laterite ores with sulphuric acid |
05/31/2006 | EP1660689A1 Method and apparatus for processing metalline sludge |
05/26/2006 | WO2006053418A1 Method for producing fine, low bulk density, metallic nickel powder |
05/26/2006 | WO2006053376A1 Consecutive or simultaneous leaching of nickel and cobalt containing ores |
05/26/2006 | CA2587702A1 Consecutive or simultaneous leaching of nickel and cobalt containing ores |
05/26/2006 | CA2580655A1 Method for producing fine, low bulk density, metallic nickel powder |
05/24/2006 | CN1777462A Method and equipment for liquid-liquid extraction |
05/24/2006 | CN1777461A Method and equipment for liquid-liquid extraction |
05/24/2006 | CN1775971A Mixed ammonia leaching method for multi-metal concretion and cobalt-rich skull in deep sea |
05/24/2006 | CN1257292C Method for recovering nickel and aluminum from waste aluminum based nickel-containing catalyst |
05/23/2006 | US7048774 Recovery of metal values from cermet |
05/23/2006 | CA2208026C Chloride assisted hydrometallurgical copper extraction |
05/19/2006 | CA2488077A1 Method for producing fine, low bulk density, metallic nickel powder |
05/17/2006 | CN1774518A Reductive ammoniacal leaching of nickel and cobalt bearing materials |
05/16/2006 | CA2273563C Composite nickel fine powder and method for preparing the same |
05/11/2006 | US20060096415 Microwave treatment of ores |
05/03/2006 | CN1768152A Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
05/03/2006 | CN1254341C Method for manufacturing metal powder |
04/25/2006 | US7033480 Process for recovering platinum group metals from material containing base metals |
04/19/2006 | CN1252021C Method for recovery of metals by incineration of metal contg. basic ion exchange resin |
04/12/2006 | EP1644541A1 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material |
04/12/2006 | CN1759192A Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
04/06/2006 | WO2006037120A2 Method and apparatus for separating metal values |
04/05/2006 | CN1249257C Mtehod for hydrolytic precitpitation of iron |
04/04/2006 | US7022120 Cryoplasty device and method |
03/30/2006 | CA2581106A1 Synergistic solvent extraction process |
03/29/2006 | CN1752232A Once process for extracting and separating Ni, Mg and Co from nickel sulfate solution recovered from waste nickel-hydrogen and nickel-cadmium cells |
03/23/2006 | CA2580542A1 Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process |
03/23/2006 | CA2580120A1 Process for preparing nickel loaded organic extractant solution |
03/23/2006 | CA2572420A1 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
03/22/2006 | CN1749420A Process for extracting metal cobalt from waste hard alloy |
03/22/2006 | CN1246486C Central vortex column flash smelting process |
03/16/2006 | WO2005099934A3 Method and arrangement for crystal growth from fused metals or fused solutions |
03/15/2006 | EP1229977B1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
03/08/2006 | EP1412546B1 A method for the removal of metals from an aqueous solution using lime precipitation |
03/08/2006 | CN1743476A Nickel-iron smelting process from nickel oxide ore containing crystal water through blast furnace |
03/01/2006 | EP1509630B1 Process for manufacturing an alloy material for use in the manufacture of synthetic diamonds |
03/01/2006 | CN1742105A Nickel metal and process for producing the same |
03/01/2006 | CN1243839C Method and appts. for feeding solid material and oxidizing gas into suspension smelting furnace |
03/01/2006 | CN1243838C Technology for preparing cell-level high-purity nickel sulfate by the selective leach of water quenching high grade nickel and sulfuric acid |
02/22/2006 | EP1627087A1 A process for the recovery of value metals from material containing base metal oxides |
02/22/2006 | CN1738917A Process for nickel and cobalt extraction from laterite ores |
02/15/2006 | CN1733950A Ferronickel smelting process of nickel oxide ore free of crystal water in blast furnace |
02/08/2006 | CN1730684A Bessemer matte production method using nickel sulfide materials |
02/08/2006 | CN1240857C Extraction of nickle oxide from serpentine by sulfuric acid leaching out |
02/07/2006 | CA2272370C Production of aromatic carboxylic acids and recovery of co/mn cattalyst from ash |
02/02/2006 | US20060024224 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching |
01/25/2006 | EP1618219A2 Recovery of metal values from cermet |
01/25/2006 | EP1453985B1 A method for precipitating iron from a zinc sulphate solution as hematite |
01/25/2006 | CN1238540C Flash smelting technology for copper or nickel sulfide ore concentrate |
01/18/2006 | EP1377690A4 Method for producing large diameter ingots of nickel base alloys |
01/12/2006 | US20060005665 Process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof |
01/11/2006 | EP1613785A1 Reductive ammoniacal leaching of nickel and cobalt bearing materials |
01/11/2006 | EP1412544B1 Method for recovering nickel and eventually cobalt by extraction from nickel-containing laterite ore |
01/11/2006 | CN1718790A Method of preparing cobalt oxide by microwave calcining cobalt salt and it powder material microwave calcining furnace |
01/11/2006 | CN1718787A Method of bulk infusion extracting nickel cobalt from low grade red soil nickel ore |
01/11/2006 | CN1718784A Method of recovery copper, nickel and noble metal in waste water and slag by combined technology of wet method and fire method |
01/11/2006 | CN1236080C Wet separation process of waste ZnCuNi alloy |
01/05/2006 | US20060002835 Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid and water leaching |
01/05/2006 | CA2571492A1 Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid water leaching |
12/29/2005 | WO2005124921A1 Method of disposing of lithium battery |
12/27/2005 | CA2391939C Carbonyl process for recovery of purified cobalt |
12/22/2005 | WO2005121675A1 Lifter for rotary heat exchanger, rotary heat exchanger with the lifter, and heat treatment method for nickel oxide ore |
12/08/2005 | WO2005116281A1 Method of recovering nickel or cobalt |
12/08/2005 | WO2005116279A1 Method of recovering nickel and cobalt |
12/08/2005 | WO2005067366A3 Supply system for suspension smelting furnace |
12/07/2005 | EP1602737A1 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
12/07/2005 | EP1601803A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
12/01/2005 | WO2005113845A1 Recovery of nickel |