| Patents for C22B 15 - Obtaining copper (5,364) |
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| 06/20/2013 | WO2013089630A1 Recycling of copper indium gallium diselenide |
| 06/19/2013 | CN103160692A Brass smelting furnace |
| 06/19/2013 | CN102732725B Method for circularly removing impurity chlorine in zinc sulfate solution by using cuprous salt |
| 06/19/2013 | CN102417988B Process for comprehensively utilizing copper sulphonium and slag produced during bismuth smelting |
| 06/19/2013 | CN102392136B Process for comprehensively recovering high arsenic polymetallic material |
| 06/12/2013 | CN202989254U Oxygen enrichment bottom blown converter for smelting copper |
| 06/12/2013 | CN202989249U Closed granulating system for liquid copper matte |
| 06/12/2013 | CN103146943A Red impure copper refining agent and preparation method thereof |
| 06/12/2013 | CN103146932A Pure copper smelting cleaner and preparation method thereof |
| 06/12/2013 | CN103146931A Copper oxide reduction device and method |
| 06/12/2013 | CN103146929A Efficient enrichment and recycling technique of valuable metals in lead smelting slags |
| 06/12/2013 | CN103146928A Method for processing anode mud with high Ag, Bi and Pb by using full wet method |
| 06/12/2013 | CN103146911A Beneficiation method for treating combined copper oxide ore and recovering associated valuable metals |
| 06/12/2013 | CN102557299B Recovery method of copper-nickel heavy metals in electroplated mixed-flow waste water |
| 06/12/2013 | CN102433438B Treatment method of scrap copper |
| 06/06/2013 | WO2013079762A1 Method for controlling the suspension in a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner |
| 06/06/2013 | CA2852787A1 Method for controlling the suspension in a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner |
| 06/05/2013 | CN103131871A Method for extracting pure copper and pure zinc from brass |
| 06/05/2013 | CN103131870A Method for preprocessing furnace temperature distribution data of scrap copper smelting furnace |
| 06/05/2013 | CN103131869A Extraction method for high-lead high-silver arsenious complex gold concentrate |
| 06/05/2013 | CN103131868A Copper-in-furnace anti-oxidation method for copper product line frequency furnace during period of heat preservation |
| 06/05/2013 | CN103131859A Comprehensive recycling method for metals in superalloy scrap |
| 06/05/2013 | CN103131856A Bio-electrochemical system used for copper sulfide ore leaching |
| 06/05/2013 | CN103131849A Sulfur concentrate sand roasting method favorable for comprehensive resource utilization |
| 06/05/2013 | CN103128293A Prepared method of metal bead catalyst used for producing chloroprene rubber |
| 06/05/2013 | CN103128291A Preparation method of copper bead catalyst |
| 06/05/2013 | CN102329968B Scrap brass smelting auxiliary and preparation method thereof |
| 06/05/2013 | CN102321824B Method for desiliconizing cobalt white alloy |
| 06/05/2013 | CN101842503B Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores |
| 05/29/2013 | CN103122416A Equipment for extracting pure copper and pure zinc from brass and using method thereof |
| 05/29/2013 | CN102417993B Novel melting blow-in method of oxygen-rich side-blown molten pool |
| 05/28/2013 | CA2668506C Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 05/22/2013 | CN103114209A Method for leaching cobalt and copper in cobalt-copper alloy through cooperation of thiobacillus ferrooxidans |
| 05/22/2013 | CN103114208A Method for producing oxygen-free copper rod from secondary copper |
| 05/22/2013 | CN103114205A Two-step method for extracting valuable metal nickel and copper from sodium jarosite slag |
| 05/22/2013 | CN102409163B Double-reduction-separation comprehensive treatment method of high-iron poor-tin ore |
| 05/15/2013 | CN103103364A Automatic slag seizing device for copper refining |
| 05/15/2013 | CN103103363A 阳极精炼炉 Anode refining furnace |
| 05/15/2013 | CN103103360A Method for recovering copper, tungsten and molybdenum by use of APT (ammonium paratungstate) waste slag |
| 05/15/2013 | CN103103358A Method for recovering metal by use of APT (ammonium paratungstate) waste slag |
| 05/15/2013 | CN103103355A Separating method of waste copper-nickel alloy |
| 05/08/2013 | EP2588634A1 Suspension smelting furnace and a concentrate burner |
| 05/08/2013 | CN202925077U Travelling gear of puncher |
| 05/08/2013 | CN202925076U Drive control system of converter body |
| 05/08/2013 | CN103097302A Method of treating copper etching waste liquor |
| 05/08/2013 | CN103088364A Recycling method of copper foil production wastewater |
| 05/08/2013 | CN102586604B Technology for wet-processing anode mud containing arsenic and lead |
| 05/08/2013 | CN102168180B Upcast method for producing high-purity bright copper rod |
| 05/07/2013 | US8435466 Methods of metal extraction from ammoniacal solutions using oximes |
| 05/07/2013 | US8435323 Batchwise working-up recycling materials in a rotatable reactor |
| 05/01/2013 | CN103074499A Method for producing high-quality copper sulfate through low-pressure oxygen leaching of copper slag |
| 05/01/2013 | CN103074491A Method for extracting and separating copper, chromium and nickel from acid leaching solution |
| 05/01/2013 | CN102453807B Technology for processing black copper slag and producing electrodeposited copper through cyclone electrolysis technology |
| 05/01/2013 | CN102286664B Method for extracting copper from organic silicon chemical waste residue and recovering extraction liquid |
| 05/01/2013 | CN102234721B Treatment method of nickel-cobalt material |
| 04/24/2013 | EP2584055A1 Method for removal of copper ions from copper-containing nickel chloride solution, and process for production of electrolytic nickel |
| 04/24/2013 | CN202898145U Process equipment system for recycling acidic copper-etching waste liquor |
| 04/24/2013 | CN103060574A Method for recovering valuable metal molybdenum and copper from waste residues generated by ammonium molybdate production |
| 04/24/2013 | CN103060550A Synchronized production method of reducing leaching and oxidizing deironing of cobalt-copper ore |
| 04/24/2013 | CN103056089A Preparation process of oxidization and reduction air pipe |
| 04/24/2013 | CN102051479B Biological stirring leaching method of ordinary-temperature acidophilic leaching-ore bacteria and high-arsenic high-grade primary copper sulfide ore |
| 04/17/2013 | CN202881349U Dry powder hybrid wire copper graining machine for waste copper dry-type recovery production line |
| 04/17/2013 | CN202881348U Device for recycling copper from acidic copper-containing solution |
| 04/17/2013 | CN202877217U Organic silicon slurry residue hydrolytic treatment device |
| 04/17/2013 | CN103045878A Impure copper refining method for electric copper anode plate |
| 04/17/2013 | CN103045864A Method for washing impurity iron in loaded organic phase in wet-method copper extraction process |
| 04/17/2013 | CN102430482B Method for comprehensively recycling copper, gold and silver from liquid obtained after copper separation of tailings subjected to cyaniding for gold extraction |
| 04/17/2013 | CN102312099B Copper sponge preparation process by reducing copper contained acidic leachate with iron powder |
| 04/17/2013 | CN102021326B Method for leaching copper-cobalt alloy |
| 04/10/2013 | CN202869291U Air-supply and air-stop control system for converter flue gas |
| 04/10/2013 | CN202865305U System for identifying and monitoring copper matte blow end point |
| 04/10/2013 | CN103038374A Suspension smelting furnace and a concentrate burner |
| 04/10/2013 | CN103031447A Horizontal type molten pool smelting process outside furnace and dedicated device thereof |
| 04/10/2013 | CN103031446A Method for treating copper-bearing waste residue through waste acid |
| 04/09/2013 | CA2530355C Method for processing sulfide ores containing precious metals |
| 04/04/2013 | US20130081515 Method for recovering metal copper from coated copper wires |
| 04/03/2013 | CN202849511U Device for deeply extracting copper |
| 04/03/2013 | CN103014398A Deoxidizing method for copper and copper alloy smelting |
| 04/03/2013 | CN103014371A Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace |
| 04/03/2013 | CN103014370A Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace |
| 04/03/2013 | CN103014369A Smelting process of both side-blown bath |
| 04/03/2013 | CN103014363A Method for removing impurities in furnace during production of oxygen-free copper rods for bridge bus |
| 04/03/2013 | CN103014355A Multi-metal comprehensive recycling process for copper smelting ash |
| 04/03/2013 | CN103014351A Separation method of chromium zirconium copper scrap |
| 04/03/2013 | CN103014337A Method for separating copper, chromium and zinc in acid leaching solution |
| 04/03/2013 | CN103013847A Ammonia-producing mineral leaching bacterium JAT-1 as well as culture method and application of ammonia-producing mineral leaching bacterium JAT-1 |
| 04/03/2013 | CN102690959B Comprehensive utilization method of reverse flotation products of calcium and magnesium carbonates in mixed copper ores |
| 04/03/2013 | CN102329966B Wet treatment process of refining slag from Kaldo furnace |
| 03/28/2013 | WO2013042340A1 Method for metal recovery or removal and method for producing lipids or pigment |
| 03/27/2013 | CN202836209U Elastic steel skeleton of silver copper smelting furnace |
| 03/27/2013 | CN202830124U Side-blown system for copper smelting furnace |
| 03/27/2013 | CN202830123U Symmetrical tilting type copper molten bath smelting furnace body |
| 03/27/2013 | CN202830122U Side-blow copper sulfonium layer air inlet device of copper melting bath smelting furnace |
| 03/27/2013 | CN202830121U Waste heat recycling device of silver copper smelting furnace |
| 03/27/2013 | CN202830119U Novel copper smelting tank smelting furnace slag return device |
| 03/27/2013 | CN102997684A Heat-preserving furnace inlet pouring nozzle |
| 03/27/2013 | CN102994775A Production technology for smelting crude copper in oxygen enrichment double-side blow molten pool |
| 03/27/2013 | CN102994766A Method for comprehensively recovering valuable metal from copper tellurium slag |
| 03/27/2013 | CN102994765A Method for treating waste copper slag |
| 03/27/2013 | CN102994762A Industrial method for selectively recycling copper and nickel from copper-nickel mud |