| Patents for C22B 15 - Obtaining copper (5,364) |
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| 06/08/2006 | WO2006060305A2 Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials |
| 06/08/2006 | US20060117908 Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials |
| 06/08/2006 | CA2587329A1 Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials |
| 06/07/2006 | CN1784501A Microorganism and method for leaching mineral sulphides |
| 06/07/2006 | CN1782107A Method for obtaining pure copper |
| 06/07/2006 | CN1781625A Method for producing phosphorus-contained copper base material and method for producing low-oxygen copper alloy wire |
| 06/06/2006 | CA2253290C Method and apparatus for adjusting the boundary surface between two controllably flowing and mutually separable solutions and for conducting both solutions out of the separation part |
| 06/06/2006 | CA2253281C Method and apparatus for recirculating a heavier solution from the separation part of two separable solutions into a mixing unit |
| 05/31/2006 | EP1495149B1 Process for the treatment or removal of impurities in a hydrometallurgical extraction process |
| 05/24/2006 | EP1658467A1 Electric reducing furnace |
| 05/24/2006 | CN1777462A Method and equipment for liquid-liquid extraction |
| 05/24/2006 | CN1777461A Method and equipment for liquid-liquid extraction |
| 05/23/2006 | US7048857 Using oxidizer |
| 05/23/2006 | US7048774 Recovery of metal values from cermet |
| 05/23/2006 | CA2208026C Chloride assisted hydrometallurgical copper extraction |
| 05/18/2006 | DE4317733B4 Verfahren und Konzentratbrenner zum Zuführen eines Reaktionsgases The method and the concentrate burner for feeding a reaction gas |
| 05/17/2006 | EP1656464A1 Method for the pyrometallurgical production of copper in a converter |
| 05/17/2006 | EP1251920A4 Method and apparatus for metal removal by ion exchange |
| 05/17/2006 | CN1774517A Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants |
| 05/11/2006 | WO2006049631A2 Process for multiple stage direct electrowinning of copper |
| 05/11/2006 | US20060096415 Microwave treatment of ores |
| 05/11/2006 | CA2585045A1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction |
| 05/10/2006 | CN1255561C Method for preparing copper sulfate using copper concentrate |
| 05/09/2006 | US7041152 forming a slurry of a sulfuric acid solution in an oxygen-containing atmosphere in an agitated multiple-compartment pressure leaching vessel; separating the solution from the product slurry to yield a residue; and recovering a (especially precious) metal value from the residue. |
| 05/04/2006 | US20060091017 Electrolysis process and cell for use in same |
| 05/03/2006 | EP1651784A1 Method for producing concentrates |
| 05/03/2006 | CN1768152A Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
| 05/03/2006 | CN1766140A Novel copper recovery method by copper anode mud pressurization and pickling |
| 04/27/2006 | WO2005118890A3 Recovery of steel from contaminated scrap |
| 04/27/2006 | US20060088458 Method for metal heap and dump leaching coupled with metal solvent extraction |
| 04/27/2006 | US20060086206 Method for obtaining pure copper |
| 04/25/2006 | US7033480 Process for recovering platinum group metals from material containing base metals |
| 04/20/2006 | WO2006041695A2 Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 04/20/2006 | WO2006040392A1 Production of metallic copper by reducing copper (i) oxide using hydrogen |
| 04/20/2006 | DE102004009176B4 Verfahren zur Reduktion von kupferhaltigen Feststoffen in einem Wirbelbett A method of reducing copper-containing solids in a fluidized bed |
| 04/19/2006 | CN1761523A Method for controlling oxygen when separating minerals from a slurry |
| 04/18/2006 | CA2213972C Hydrometallurgical process for the extraction of copper from sulphidic concentrates |
| 04/16/2006 | CA2580184A1 Method for comminution of material |
| 04/13/2006 | WO2006037842A1 Method for comminution of material |
| 04/13/2006 | DE102004049234A1 Verfahren zur Gewinnung von reinem Kupfer A process for the recovery of pure copper |
| 04/12/2006 | EP1644542A1 Oxidative leach process |
| 04/12/2006 | CN1759194A Method for recovering platinum group element |
| 04/12/2006 | CN1759193A Improved heap leach |
| 04/05/2006 | CN1754971A Batchwise working-up recycling materials in a rotatable reactor |
| 04/05/2006 | CN1249269C Method for recovering stibium and bismuth from copper electrolyte |
| 04/05/2006 | CN1249258C Method for leaching copper concentrate |
| 04/04/2006 | US7022504 Using chemolithotrophic bacteria to oxidise and recover copper from sulphide ores |
| 03/29/2006 | EP1640463A1 Process for the dissolution of copper metal |
| 03/29/2006 | CN1247349C Method for producing copper suboxide |
| 03/28/2006 | US7018593 aerating surface layers containg ores by agitation, then adjusting pH and moisture, oxidizing, slurrying with water and separation of solids and solution by solvent extraction or ion exchanging |
| 03/22/2006 | EP1463586B1 Selective flotation agent and flotation method |
| 03/22/2006 | EP1412557B1 Process for direct electrowinning of copper |
| 03/22/2006 | CN1246486C Central vortex column flash smelting process |
| 03/16/2006 | CA2579586A1 Installation for continuous fire refining of copper |
| 03/16/2006 | CA2579579A1 Method of continuous fire refining of copper |
| 03/15/2006 | EP1634027A1 Industrial oven |
| 03/15/2006 | EP1229977B1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
| 03/10/2006 | CA2518846A1 Process for the dissolution of copper metal |
| 03/07/2006 | US7008601 Materials and methods for the separation of copper ions and ferric iron in liquid solutions |
| 03/01/2006 | EP1629129A2 Precious metal recovery using thiocyanate lixiviant |
| 03/01/2006 | EP1628983A1 Method for the agglomeration of used material or fines from the production of organohalosilanes |
| 03/01/2006 | EP1628767A1 A resin and process for extracting non-ferrous metals |
| 03/01/2006 | EP1438439B1 A method for purifying the solution in the hydrometallurgical processing of copper |
| 03/01/2006 | CN1243839C Method and appts. for feeding solid material and oxidizing gas into suspension smelting furnace |
| 02/23/2006 | US20060037435 Method for treating slag |
| 02/22/2006 | EP1560948A4 Electrolysis process and cell for use in same |
| 02/22/2006 | CN1243115C Copper smelting method |
| 02/22/2006 | CN1243111C Improved bacterial oxidation of sulphide ores and concentrates |
| 02/16/2006 | US20060035356 Exposing to low nutrient environment to reduce exopolymer content on external cell walls prior to embedding and reactivation |
| 02/08/2006 | CN1732276A Method and plant for the heat treatment of sulfidic ores using annular fluidized |
| 02/08/2006 | CN1240879C Method and system for recovering and removing copper from fluid |
| 02/01/2006 | EP1620576A1 Improved heap leach |
| 01/26/2006 | WO2005103308A8 Method for extracting copper with solvent |
| 01/25/2006 | EP1618219A2 Recovery of metal values from cermet |
| 01/25/2006 | EP1346070B1 Method for leaching copper concentrate |
| 01/25/2006 | CN1238540C Flash smelting technology for copper or nickel sulfide ore concentrate |
| 01/19/2006 | US20060011014 Copper is obtained into the solution in divalent form by leaching into an aqueous solution of copper chloride and hydrochloric acid at a high redox potential in a solution of the oxidizing substance, stripped with sulphuric acid, electrodepositing the copper |
| 01/18/2006 | CN1237193C Equipment for even feed of pulverous materials to concentrate burner of suspension smelting furnace |
| 01/12/2006 | WO2005019481A3 Methods and systems for removing copper from ferrous scrap |
| 01/11/2006 | EP1613784A1 Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants |
| 01/11/2006 | CN1720342A Method for treating slag |
| 01/11/2006 | CN1718786A Normal temperature normal pressure ammonia infusion-extraction-electrodeposition-slag infusion flotation of copper oxide green 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 | CN1236082C Wet method copper-extracting process |
| 01/11/2006 | CN1236080C Wet separation process of waste ZnCuNi alloy |
| 01/05/2006 | US20060000311 in a copper recovery process, using fine-grained copper powder and mercury, precipitating silver amalgam onto the surface of fine-grained copper powder, separation, leaching by oxidation; multistage process |
| 01/04/2006 | EP1432836A4 Metal ion recovery |
| 01/04/2006 | CN1715818A Fixed copper anode furnace bottom air blower and its process |
| 12/29/2005 | WO2005123308A1 Copper-containing tin powder and method for producing the copper-containing tin powder, and electroconductive paste using the copper-containing tin powder |
| 12/29/2005 | WO2004096400A3 Interlaced series parallel configuration for metal solvent extraction plants |
| 12/29/2005 | WO2004092448A3 Precious metal recovery using thiocyanate lixiviant |
| 12/29/2005 | US20050284261 Batchwise working-up recycling materials in a rotatable reactor |
| 12/29/2005 | CA2571135A1 Copper-containing tin powder and method for producing the copper-containing tin powder, and electroconductive paste using the copper-containing tin powder |
| 12/28/2005 | EP1609877A1 Batchwise working-up recycling materials in a rotatable reactor |
| 12/28/2005 | EP1608787A1 Microorganism and method for leaching mineral sulphides |
| 12/28/2005 | EP1303641B1 Method for recovery of copper from sulfidic ore materials using super-fine grinding and medium temperature pressure leaching |
| 12/28/2005 | CN1713943A Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 12/22/2005 | US20050280191 Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 12/21/2005 | EP1607488A1 Method for recovering platinum group element |
| 12/15/2005 | WO2005118894A1 Leaching process for copper concentrates |