| Patents for C22B 15 - Obtaining copper (5,364) |
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| 02/24/2010 | CN101654744A Reverberatory furnace pyrorefining method of crude copper with high arsenic and antimony |
| 02/23/2010 | US7666371 Method for recovering metal values from metal-containing materials using high temperature pressure leaching |
| 02/18/2010 | WO2010019063A1 Molybdenum process of identifying the collective concentrate cu-mo |
| 02/18/2010 | WO2010018815A1 Method for purifying material containing metalloid element or metal element as main component |
| 02/18/2010 | WO2009153409A4 Method for leaching nickel matte in the presence of added copper |
| 02/18/2010 | CA2733647A1 Method for purifying material containing metalloid element or metal element as main component |
| 02/17/2010 | CN201406391Y Preparation system for N-910 copper extractant |
| 02/11/2010 | US20100031779 Process for recovery of copper from copper-containing chloride media |
| 02/11/2010 | CA2648252A1 Process for recovery of copper from copper-containing chloride media |
| 02/10/2010 | CN101643857A Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc |
| 02/04/2010 | US20100024601 Method for obtaining copper and precious metals from copper-iron sulphide ores or ore concentrates |
| 01/28/2010 | US20100018351 Recycling of solids in oxidative pressure leaching of metals using halide ions |
| 01/28/2010 | US20100018349 Method of leaching copper sulfide ore with the use of iodine |
| 01/27/2010 | CN100585314C Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 01/26/2010 | US7651545 Anhydrous agglomeration and passivation of pulverulent residue and/or fines from the production of chloromethylsilane silicon and methyl chloride using acopper catalyst in a fluidized bed; mixing witrh a binder (bentonite, aluminum silicate) to form solid by compression molding; materials handling |
| 01/21/2010 | WO2010009481A2 A method of treating a sulphide mineral |
| 01/21/2010 | CA2728924A1 A method of treating a sulphide mineral |
| 01/20/2010 | CN101631881A Method to enhance clarification in a mixing reactor and said mixing reactor |
| 01/20/2010 | CN100582262C Copper flash smelting operation parameter optimization method |
| 01/14/2010 | US20100007068 Apparatus for precipitation/separation of excess copper in lead-free solder |
| 01/13/2010 | CN100580111C Slag splashing furnace-protecting method for nickel-copper smelting converter |
| 01/13/2010 | CN100580110C Wet-process metallurgy method for extracting copper from waste composition brass melting furnace slag |
| 01/12/2010 | CA2307500C Method for removing contaminants from process streams in metal recovery processes |
| 01/07/2010 | WO2010001728A1 Method for separating radioactive copper using chelate exchange resin |
| 01/06/2010 | CN100577829C Floating smelting and immersed air refining integrated continuous copper smelting method and device |
| 12/30/2009 | WO2009155651A1 Iron precipitation |
| 12/29/2009 | CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 12/23/2009 | WO2009153409A1 Method for leaching nickel matte in the presence of added copper |
| 12/23/2009 | CN101608258A Method for industrially extracting cobalt, copper and iron by taking cobalt-copper alloy as raw material |
| 12/23/2009 | CN100572573C Method for recycling copper from clean melt cinder of wet-process zinc metallurgy |
| 12/23/2009 | CA2728519A1 Method for leaching nickel matte in the presence of added copper |
| 12/22/2009 | US7635407 Exothermic pressure leach autoclave circuits |
| 12/16/2009 | CN101603127A Method for diluting copper and nickel smelting slag |
| 12/16/2009 | CN100569968C Production method for high-purity copper and low-oxygen bright copper rod |
| 12/15/2009 | CA2507673C Batchwise working-up recycling materials in a rotatable reactor |
| 12/09/2009 | CN201358288Y Waste lead storage battery and copper dross hot air sealing short kiln smelting equipment |
| 12/09/2009 | CN101599563A Method for efficiently recovering active materials of positive poles in waste lithium batteries |
| 12/09/2009 | CN101597694A Copper smelting method |
| 12/09/2009 | CN101597691A Process method for treating solid waste containing copper and nickel |
| 12/09/2009 | CN101597690A Method for recycling multiple precious metals from anode mud |
| 12/09/2009 | CN100567532C Ultrahigh-purity copper and process for producing the same, and bonding wire comprising ultrahigh-purity copper |
| 12/03/2009 | US20090293680 Processing of Metal Values from Concentrates |
| 12/03/2009 | US20090293678 Copper smelting method |
| 12/02/2009 | CN101591229A N901-S copper extractant |
| 12/02/2009 | CN100564387C Process for the agglomeration and passivation of waste material or fines from an organohalo-silane process |
| 12/01/2009 | US7625423 Method for obtaining pure copper |
| 12/01/2009 | CA2342513C Use of cupric chloride etchant solution in a solvent extraction electrowinning copper refinery |
| 11/26/2009 | US20090288521 Precious metal recovery using thiocyanate lixiviant |
| 11/25/2009 | CN101586193A Leaching method for anode material of waste LiNiO2 battery |
| 11/25/2009 | CN101586189A Leaching method for anode material of waste LiCoO battery |
| 11/25/2009 | CN101586186A Method for leaching chalcopyrite and corresponding leaching agent |
| 11/24/2009 | CA2369852C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants |
| 11/24/2009 | CA2352770C High temperature heap bioleaching process |
| 11/18/2009 | CN101583728A Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals |
| 11/18/2009 | CN101579701A Preparation process of copper pipe material for electronic thermotubes |
| 11/17/2009 | CA2409569C Polysulfonamide matrices |
| 11/17/2009 | CA2193068C Copper converting |
| 11/12/2009 | WO2009135291A1 Leaching process for copper concentrates containing arsenic and antimony compounds |
| 11/12/2009 | CA2721709A1 Leaching process for copper concentrates containing arsenic and antimony compounds |
| 11/11/2009 | EP1155155B1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals |
| 11/11/2009 | CN101575673A Method for separating and extracting copper and cobalt-nickel in low-grade complex mixed copper-cobalt ore |
| 11/11/2009 | CN101575672A Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore |
| 11/11/2009 | CN100558918C Method for the recovery of valuable metals and arsenic from a solution |
| 11/10/2009 | US7615199 Method for the recovery of valuable metals and arsenic from a solution |
| 11/10/2009 | CA2438605C A method for the bacterially assisted heap leaching of chalcopyrite |
| 11/10/2009 | CA2383817C Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed |
| 11/10/2009 | CA2383816C Recovery of nickel from nickel bearing sulphide minerals by bioleaching |
| 11/10/2009 | CA2383815C Recovery of precious metal from sulphide minerals by bioleaching |
| 11/05/2009 | US20090272227 Metal Extraction Without Cyanide |
| 10/28/2009 | EP2111472A1 Method of continuous fire refining of copper |
| 10/28/2009 | EP2111471A1 Installation for continuous fire refining of copper |
| 10/28/2009 | CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 10/28/2009 | CN100554452C Process for extracting copper by wet method from copper-containing sulfidization ore |
| 10/28/2009 | CN100554451C Method for separating and reclaiming copper from cobalt chloride solution |
| 10/28/2009 | CN100554450C Tap hole cooling structure |
| 10/27/2009 | CA2409605C Acid stable membranes for nanofiltration |
| 10/21/2009 | CN101560605A Method for separating copper and aluminium from copper-cladding aluminium waste leading wire |
| 10/21/2009 | CN101560485A Moderate thermophilic enriched substance used for mineral leaching of copper pyrites |
| 10/21/2009 | CN100552356C Reverberator furnace |
| 10/15/2009 | WO2009124387A1 Process for decontaminating preservative-treated wood and recovering metals from leachates |
| 10/15/2009 | CA2720630A1 Process for decontaminating preservative-treated wood and recovering metals from leachates |
| 10/14/2009 | CN101558176A Accelerated heat generation in heap bioleaching |
| 10/14/2009 | CN101555554A Copper smelting agent and manufacture process thereof |
| 10/14/2009 | CN100549192C Reducing process for mixing natural gas and steam in operation of copper fire refining |
| 10/14/2009 | CN100549191C Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 10/07/2009 | CN201321482Y Oxygen side-blowing copper smelting furnace |
| 10/07/2009 | CN100547094C Method for recovery and utilization of acid waste liquid generated in waste lead acid accumulator lead -recovery process |
| 10/01/2009 | WO2009120373A2 Metal extraction without cyanide |
| 10/01/2009 | US20090241736 Method for recovering metal from ore |
| 10/01/2009 | US20090241734 Method of leaching copper sulfide ores containing chalcopyrite |
| 10/01/2009 | US20090241732 Method of obtaining copper from ore |
| 10/01/2009 | US20090241731 System and method for extracting base metal values from oxide ores |
| 09/30/2009 | EP2104542A2 More efficient ether modifiers for copper extractant formulations |
| 09/30/2009 | EP1863944B1 Modification of copper/iron selectivity in oxime-based copper solvent extraction systems |
| 09/30/2009 | CN101545054A Method for recovering nickel, copper and cobalt from a nickel, copper and cobalt smelting waste slag |
| 09/30/2009 | CN101545051A Method for recovering copper from a copper smelting waste slag |
| 09/30/2009 | CN101545050A A method to comprehensively recover the solid material containing copper and vanadium |
| 09/29/2009 | US7594951 using SO2 reducing agent to reduce ferric to ferrous ions and chloro-methylated macroporous styrene-divinylbenzene bead functionalized with hydroxypropyl picolylamine resin used as ion exchange resin as chelating adsorbant; stripping; continuous process |
| 09/27/2009 | CA2639165A1 Method for recovering metal from ore |
| 09/25/2009 | CA2655701A1 Method of leaching copper sulfide ores containing chalcopyrite |