| Patents for C22B 15 - Obtaining copper (5,364) |
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| 01/02/2013 | CN102851497A Treating method of arsenious material |
| 12/27/2012 | US20120328494 Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores |
| 12/26/2012 | EP2536859A1 Copper anode refining system and method |
| 12/26/2012 | CN202626268U Copper drain outlet furnace body structure of Baiyin copper smelting furnace |
| 12/26/2012 | CN102839379A On-line treatment method of acidic etching solution |
| 12/26/2012 | CN102839289A Operation method for controlling oxygen content during radio frequency electric cable strip casting process |
| 12/26/2012 | CN102839285A Method for recovering copper from waste mine rocks |
| 12/26/2012 | CN102140584B Method for deoxidizing copper solution |
| 12/26/2012 | CN102049359B Spray gun and multi-fluid spray gun device provided with same |
| 12/26/2012 | CN101839631B Electrothermal copper-smelting slag depleted furnace |
| 12/19/2012 | CN102829633A Elastic steel skeleton for silver copper-smelting furnace |
| 12/19/2012 | CN102828050A Method for prolonging using period of melting furnace of silver copper melting pool |
| 12/19/2012 | CN102828049A Method for strengthening self-heating efficiency of silver copper melting pool smelting furnace by building numerical model |
| 12/19/2012 | CN102828048A Method for improving smelting furnace capacity for treating low-grade entering-furnace materials with complex components |
| 12/19/2012 | CN102828047A Afterheat recovery utilization method for silver copper smelting furnace and device for realizing method |
| 12/19/2012 | CN102828046A Method for improving converting efficiency in silver molten pool copper smelting process |
| 12/19/2012 | CN102828045A Special pulverized coal burner for silver and copper molten pool smelting furnace |
| 12/19/2012 | CN102828044A Silver and copper molten pool smelting furnace with adjustable outlet smoke flow velocity device |
| 12/19/2012 | CN102828043A Autogenous smelting method of low-grade copper concentrate |
| 12/19/2012 | CN102828039A Recycling method of slag of copper melting pool smelting furnace |
| 12/19/2012 | CN102828038A Method for treating converter slag of symmetrical full-slant copper melting pool smelting furnace |
| 12/19/2012 | CN102828029A Method for preliminarily separating valuable metals from copper anode slime |
| 12/19/2012 | CN102826642A Method for recovering wastewater by using colloform pyrite |
| 12/19/2012 | CN102181644B Method for reclaiming rare noble metals from waste circuit board |
| 12/19/2012 | CN102010995B Method for increasing copper recovery rate in zinc hydrometallurgy process |
| 12/19/2012 | CN101878079B Method of regulating composition of molten metal during continuous casting and apparatus therefor |
| 12/19/2012 | CN101736158B Copper extracting agent |
| 12/12/2012 | CN102822361A Efficient method for collection of platinum-group element from copper-iron scrap |
| 12/12/2012 | CN102816931A Method for recovering copper and iron from copper-containing acid wastewater and producing gypsum |
| 12/12/2012 | CN102816928A Treatment and recovery method of residual copper and nickel metals in mine tailings |
| 12/11/2012 | CA2686591C Method of heap or dump leaching of copper from copper sulfide ore |
| 12/06/2012 | WO2012162851A1 Obtaining a ferric nitrate reagent in situ from a copper raffinate solution in a hydrometallurgical copper process |
| 12/06/2012 | US20120308450 Process of recovery of base metals from oxide ores |
| 12/05/2012 | CN202576524U Energy saving and environmental protection system for crude copper production |
| 12/05/2012 | CN102812136A Copper anode refining system and method |
| 12/05/2012 | CN102115890B Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 12/04/2012 | US8323377 Recovery of metals from oxidised metalliferous materials |
| 12/04/2012 | US8323375 Method of operating a converter and apparatus for carrying out the method |
| 12/04/2012 | CA2699893C Controlled copper leach recovery circuit |
| 11/29/2012 | WO2012159567A1 Combined furnace system for fire refining red impure copper |
| 11/28/2012 | EP2527477A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 11/28/2012 | EP2526213A1 Hydrometallurgical process and method for recovering metals |
| 11/28/2012 | CN202558908U Copper refining tilting furnace system |
| 11/28/2012 | CN202558907U Continuous blowing furnace for blowing water quenched matte |
| 11/28/2012 | CN102803526A Arrangement for evening out powdery solid matter feed of a concentrate burner of a suspension smelting or suspension converting furnace |
| 11/28/2012 | CN102803525A Method for separating and recovering elements coexisting in scrap iron |
| 11/28/2012 | CN102803524A Method for leaching chalcopyrite concentrate |
| 11/28/2012 | CN102796884A Slag-forming agent |
| 11/28/2012 | CN102268558B Floating entrainment metallurgical process and reactor thereof |
| 11/28/2012 | CN102181636B Modified beta-diketone extracting agent |
| 11/28/2012 | CN101903544B Slag for electroslag remelting of coppoer alloys and process for manufacturing copper alloy products |
| 11/28/2012 | CN101821202B Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 11/27/2012 | CA2500944C Introduction of microorganisms in bio-assisted heap leaching operations |
| 11/21/2012 | CN102787317A Microetch solution recycling system |
| 11/21/2012 | CN102787245A Method for upgrading copper concentrate |
| 11/21/2012 | CN102787240A Method for comprehensive recovery of valuable metals from tin anode mud |
| 11/21/2012 | CN102787239A Technology for separating Cu-Pb-Zn-containing soot by alkali method |
| 11/21/2012 | CN102787237A Process for recovering iron, copper, zinc, and lead in copper tailing by leaching |
| 11/21/2012 | CN102787233A Method for circulative and comprehensive utilization of waste acids generated in acid preparation process through smoke smelting |
| 11/21/2012 | CN102786192A Electroplating sludge resource recovery process |
| 11/21/2012 | CN102162037B Method for depleting refining slag of copper |
| 11/21/2012 | CN102127643B Spraying method and device for separating copper from tin in tin-plated copper block |
| 11/21/2012 | CN102051478B Wet process for treating lead copper matte |
| 11/20/2012 | US8314048 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition |
| 11/15/2012 | WO2012106831A3 Method and system for the solar heap leaching of minerals, using solar concentrating collectors, based on fresnel lenses with solar tracking |
| 11/14/2012 | CN102776376A Method for recovering valuable metal from waste residue containing lead and zinc through wet-fire combination process |
| 11/14/2012 | CN102776374A Treatment method of nickel-cadmium slag |
| 11/14/2012 | CN102776369A Iron removing method in process for extracting-electrowinning copper metal by using high-iron and low-copper material liquid |
| 11/14/2012 | CN101583728B Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals |
| 11/13/2012 | US8308843 Method and device using pyrolysis for recycling used printed circuit board |
| 11/08/2012 | WO2012151028A1 Process for recovery of base metals |
| 11/08/2012 | WO2012150984A2 Compositions and methods of using a ketoxime in a metal solvent extraction reagent |
| 11/08/2012 | WO2012149631A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores |
| 11/08/2012 | US20120282156 Modification of copper/iron selectivity in copper solvent extraction systems |
| 11/08/2012 | US20120279357 Leaching process for copper concentrates with a carbon catalyst |
| 11/08/2012 | CA2833281A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores |
| 11/07/2012 | CN202519321U Oxygen-free copper refining device |
| 11/07/2012 | CN202519320U Continuous high-purity high-conductivity smelting device |
| 11/07/2012 | CN202517021U Device for preparing low-oxygen or oxygen-free copper tube |
| 11/07/2012 | CN102766768A Method for separating valuable metal from zinc smelting acid leaching slags |
| 11/07/2012 | CN102766759A Enrichment and recovery method of copper and cobalt by ammonium salt low-temperature roasting of oxidized copper cobalt ore |
| 11/07/2012 | CN102230083B Method for separating copper from lead copper matte |
| 11/07/2012 | CN102220482B Complex high-silicon copper-cobalt alloy alkaline pretreatment-normal pressure acid leaching process |
| 11/01/2012 | WO2012146826A1 Method and apparatus for fabricating a copper product |
| 10/31/2012 | CN202509120U Residual copper comprehensive clearing separating furnace |
| 10/31/2012 | CN102061385B Defoaming method for bio-metallurgical stirred reactor |
| 10/25/2012 | US20120266723 Processing copper sulfide ores |
| 10/24/2012 | CN102747236A Method for treating coking of ascending flue of Ausmelt furnace |
| 10/24/2012 | CN102747235A Method for smelting and producing copper by spray gun adhering slag type Ausmelt furnace |
| 10/24/2012 | CN102747232A Method for treating refined copper bismuth dross by electric induction furnace |
| 10/24/2012 | CN102747231A Method for treating copper dross by induction electric furnace |
| 10/24/2012 | CN102747229A Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 10/24/2012 | CN102747226A Method for treating zinc hydrometallurgy waste residue by using alkali ammonium sulfur coupling method |
| 10/24/2012 | CN102747225A Method for comprehensively recycling copper, selenium and uranium from stone coal extraction vanadic acid immersion liquid |
| 10/24/2012 | CN102745657A Method for extracting tellurium from tellurium copper slags |
| 10/24/2012 | CN101818250B Method for processing cobalt-copper-iron alloy |
| 10/17/2012 | EP2510129A1 Arrangement for evening out powdery solid matter feed of a concentrate burner of a suspension smelting or suspension converting furnace |
| 10/17/2012 | CN202492556U Refining rocking furnace for smelting composition brass |
| 10/17/2012 | CN102732732A Method for depleting lead copper matte and bismuth copper matte by using induction electric furnace |
| 10/17/2012 | CN102732729A Method for removing nickel and copper from high nickel copper anode mud |