| Patents for C22B 15 - Obtaining copper (5,364) |
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| 04/28/2009 | US7524356 Method for manufacturing low-oxygen copper |
| 04/23/2009 | WO2009050334A1 Method for the hydrometallurgical processing of sulphidic material containing zinc and copper |
| 04/22/2009 | EP2049468A2 Highly-conductive copper extractant formulations |
| 04/15/2009 | CN101410539A Method and equipment for treating process gas |
| 04/15/2009 | CN101407871A High damping superelasticity alloy and preparation thereof |
| 04/15/2009 | CN100478465C Treatment device for converter waste gas |
| 04/15/2009 | CN100478463C Technique for fast preparing spongy copper |
| 04/15/2009 | CN100478281C Manufacture of copper arsenite and application of the same |
| 04/14/2009 | US7517384 During metal recovery from an ore, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or encapsulate the metal value |
| 04/14/2009 | CA2536406C Industrial furnace |
| 04/08/2009 | EP1490375B1 Process for the dissolution of copper metal |
| 04/08/2009 | CN201217677Y Smelting launder |
| 04/08/2009 | CN101403045A Synthetic recovery method for plumbum anode slime slag rich in bismuth |
| 04/08/2009 | CN100475985C Recovering process of valuable metal from crude bismuth |
| 04/07/2009 | CA2230443C Process for the production of ultrafine particles |
| 04/02/2009 | WO2009004321A3 Settler tank for use in the solvent extraction of metal from matel ore |
| 04/02/2009 | US20090084401 Apparatus for removing matte-sticking and method for using the apparatus |
| 04/01/2009 | CN101400811A Method for electrolytic production and refining of metals |
| 03/31/2009 | US7510593 Method for producing concentrates |
| 03/26/2009 | WO2009038962A1 Controlled copper leach recovery circuit |
| 03/26/2009 | US20090078087 Process for the acid digestion of metal-containing compounds |
| 03/26/2009 | US20090078086 Method for recovering copper from a copper sulphide ore |
| 03/25/2009 | CN101395285A Process for the acid digestion of metal-containing compounds |
| 03/25/2009 | CN101392327A Method for leaching copper in waste printed circuit board by microbiology |
| 03/25/2009 | CN100471967C Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 03/18/2009 | CN101386918A Anode refining method for high sulphur raw copper |
| 03/18/2009 | CN101386917A Noiseless environment friendly matte granulation technology |
| 03/18/2009 | CN100469908C Method for the treatment of copper-containing materials |
| 03/18/2009 | CN100469411C Method and equipment for removing aqueous entrainment and impurities in extraction solution |
| 03/12/2009 | WO2009030811A1 Method for upgrading copper concentrate |
| 03/12/2009 | WO2009030808A1 Concentrate burner |
| 03/12/2009 | CA2697187A1 Method for upgrading copper concentrate |
| 03/11/2009 | CN101384736A Method for recovering copper from a copper sulphide ore |
| 03/11/2009 | CN101381825A Environment friendly free-cutting bronze alloy formula and processing technique |
| 03/11/2009 | CN100467631C Method for recovering gold and copper from gold-plated printed circuit board waste material |
| 03/11/2009 | CN100467630C Method and plant for the heat treatment of sulfidic ores using annular fluidized |
| 03/05/2009 | WO2009029753A1 Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores |
| 03/05/2009 | WO2009026694A1 System and method for extracting base metal values from oxide ores |
| 03/05/2009 | CA2698250A1 Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores |
| 03/05/2009 | CA2697789A1 System and method for extracting base metal values from oxide ores |
| 03/04/2009 | CN100465562C A device and a method for tapping a molten phase from a smelting furnace |
| 02/25/2009 | CN100463983C Method for reclaiming metal by copper smelting-furnace magnesia brick lining |
| 02/24/2009 | US7494528 Method for smelting copper concentrates |
| 02/18/2009 | EP2024523A2 Chloride heap leaching |
| 02/18/2009 | CN201195739Y Oxygen-enriched side blow weld crater smelting furnace |
| 02/18/2009 | CN101368232A Method for recycling valuable metal from cobalt-copper-iron alloy |
| 02/18/2009 | CN100462455C Method for smelting pure copper or high-copper alloy raw material |
| 02/17/2009 | US7491372 Obtaining pregnant copper solutions from concentrates of any type of copper sulfides, including the chalcopyrite, suitable for being treated by well known solvent extraction and copper electro-winning method for obtaining premium quality copper cathodes; minimum copper recovery of 96% |
| 02/17/2009 | US7491348 Composition of matter tailoring: system I |
| 02/12/2009 | WO2009019955A1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 02/12/2009 | US20090038440 Method for the Recovery of Gold from Sulphide Concentrate |
| 02/12/2009 | CA2707387A1 Method of processing non-ferrous smelting intermediates containing arsenic |
| 02/11/2009 | EP2021520A1 Process for producing stabilised metal nanoparticles |
| 02/11/2009 | CN101365814A Method for the continuous or discontinuous extraction of a metal, or of multiple metals from a slag containing the metal, or a compound of the metal |
| 02/11/2009 | CN101363082A Reduction and batch up method of copper oxide ores |
| 02/11/2009 | CN100460532C Method of preparing high purity copper by bacteria of primary leaching sulfide ore |
| 02/04/2009 | CN101358813A Discharging device for blast furnace |
| 02/04/2009 | CN101358810A Blast furnace |
| 02/04/2009 | CN101358808A Blast furnace |
| 02/04/2009 | CN101358807A Blast furnace |
| 02/04/2009 | CN101358286A Method for treating copper scum using converter |
| 02/04/2009 | CN100457932C Process for the treatment of molybdenum concentrate |
| 01/28/2009 | CN101353795A Method for extracting copper from printed circuit board acidic spent etching solution and preparing poly ferric chloride |
| 01/28/2009 | CN101353730A Intelligent integrated optimization method based on mode matching and balance computation |
| 01/28/2009 | CN101353729A Intelligent integrated modelling approach based on operating condition judgment |
| 01/28/2009 | CN101353727A Method for reclaiming silver and copper in silver-copper alloy scrap |
| 01/27/2009 | CA2417422C Method for processing sulfur-bearing materials using high temperature pressure leaching for metal recovery |
| 01/27/2009 | CA2213102C Modifiers for aldoxime extractant of metal values |
| 01/22/2009 | WO2009010422A1 Method for ore enrichment by means of hydrophobic, solid surfaces |
| 01/22/2009 | US20090022639 Treatment of material containing at least one valuable metal and arsenic to form a valuable metal-depleted scorodite sediment and a pure aqueous solution to be discharged from process; valuable metals are first removed and then arsenic precipitation from solution is performed in two stages |
| 01/22/2009 | CA2693902A1 Process for the beneficiation of ores by means of hydrophobic surfaces |
| 01/15/2009 | WO2009007792A1 The production of copper |
| 01/15/2009 | US20090013829 Process for the recovery of value metals from base metal sulfide ores |
| 01/14/2009 | EP2013370A1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction |
| 01/14/2009 | CN101344357A Rotary kiln and technique for processing composition brass or block shaped raw copper |
| 01/13/2009 | US7476371 Dissolution of copper metal in aqueous alkanolamine to form copper containing aqueous solution |
| 01/13/2009 | US7476308 Process for multiple stage direct electrowinning of copper |
| 01/13/2009 | CA2363969C Process for the recovery of residual metal values from smelter waste slags, and from converter slags |
| 01/08/2009 | WO2009004321A2 Settler tank for use in the solvent extraction of metal from matel ore |
| 01/08/2009 | WO2009003240A1 Iron control in leaching |
| 01/07/2009 | EP1390113A4 Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 01/07/2009 | CN101338373A Method for reduction smelting copper-cobalt oxidation ore by blast furnace |
| 01/07/2009 | CN101338372A Reducing process for mixing natural gas and steam in operation of copper fire refining |
| 01/07/2009 | CN101338367A Method for enriching and purifying nickel, cobalt or copper ions |
| 01/06/2009 | US7473413 Method for recovering metal values from metal-containing materials using high temperature pressure leaching |
| 01/06/2009 | CA2289485C Sulfide mineral concentrate bioleaching |
| 12/31/2008 | WO2009000037A1 Leaching ores |
| 12/31/2008 | CN201172678Y Water diversion device for copper extractive agent |
| 12/31/2008 | CN101333603A Processing and refining method of copper-containing raw material |
| 12/31/2008 | CN100447263C Harmless processing system and process for copper powder containing organism and glass fiber |
| 12/31/2008 | CA2691576A1 Leaching ores |
| 12/24/2008 | WO2008155451A1 Method for processing cobalt-containing copper concentrate |
| 12/24/2008 | CN101328547A Converting process of bottom blowing converting furnace continuous copper smelting |
| 12/24/2008 | CN101328546A Dust circulation process method for continuous copper smelting |
| 12/24/2008 | CN101328545A Process of oxygen bottom blowing continuous copper smelting |
| 12/24/2008 | CN101328544A Bottom blowing converting furnace for bottom blowing continuous copper smelting |
| 12/24/2008 | CN101328543A Oxygen bottom blowing continuous copper smelting apparatus |
| 12/24/2008 | CN101328542A Method for directly preparing copper sulfate and cathode copper from copper ore concentrate |
| 12/24/2008 | CN101328539A Oxidation oven ash hydrometallurgical leaching process |
| 12/24/2008 | CN101328538A Method for extracting copper, cobalt and nickel from cupric oxide cobalt ore |