| Patents for C22B 15 - Obtaining copper (5,364) |
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| 12/05/2006 | CA2303650C Multiple coherent jet lance |
| 11/21/2006 | US7138058 Acid stable membranes for nanofiltration |
| 11/15/2006 | CN1284869C Method for soaking valuable metal from polymetallic nodule in ocean |
| 11/09/2006 | WO2006117424A1 Method for the recovery of valuable metals and arsenic from a solution |
| 11/09/2006 | US20060248983 Heap leach |
| 11/09/2006 | CA2605005A1 Method for the recovery of valuable metals and arsenic from a solution |
| 11/08/2006 | CN1283817C Method for recycling copper |
| 11/02/2006 | US20060243604 Method and apparatus for treating waste water |
| 11/02/2006 | DE10340087B4 Industrieofen Industrial furnace |
| 11/01/2006 | CN1856585A Method for processing anode sludge |
| 10/26/2006 | US20060237300 Treatment of granular solids in a fluidized bed with microwaves |
| 10/26/2006 | US20060236813 Aqueous copper monoethanolamine carbonate is agitated and heated to decompose and deposit copper powder; cost-effective, stable copper powder that does not require one or more low molecular weight organic acids, such as formic acid, oxalic acid, or expensive and unstable reducing agents |
| 10/26/2006 | US20060236812 Method for the pyrometallurgical producing of copper in a converter |
| 10/25/2006 | EP1713942A1 Heap bioleaching process |
| 10/24/2006 | US7125436 During metal recovery process 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 |
| 10/19/2006 | US20060230879 Method and plant for the heat treatment of sulfidic ores using annular fluidized |
| 10/19/2006 | DE112004001718T5 Verfahren zum Verarbeiten von Anodenschlamm A method for processing anode sludge |
| 10/18/2006 | CN1280434C Process for the treatment or removal of impurities in a hydrometallurgical extraction process |
| 10/12/2006 | WO2006107715A2 Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| 10/12/2006 | CA2603121A1 Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| 10/11/2006 | CN1846003A Oxidative leach process |
| 10/11/2006 | CN1279192C Technology of producing oxygenless copper using waste red copper |
| 10/10/2006 | CA2183197C Method for the processing of copper minerals |
| 10/10/2006 | CA2146970C Method and apparatus for treatment of sulphidic concentrates |
| 10/05/2006 | WO2006104816A1 Modification of copper/iron selectivity in oxime-based copper solvent extraction systems |
| 10/05/2006 | WO2006082484A3 Reduction of copper content in the molybdenite concentrate |
| 10/05/2006 | US20060219571 Electrogenerated chlorine or chloride compound leaching and its apparatus |
| 10/05/2006 | CA2602595A1 Modification of copper/iron selectivity in oxime-based copper solvent extraction systems |
| 10/04/2006 | CN1842687A Industrial oven |
| 10/04/2006 | CN1277939C Method of leaching copper in copper containing pyrite using bacteria |
| 09/28/2006 | US20060213331 Method for reducing metal oxide and method for producing hydrogen |
| 09/28/2006 | US20060213330 Method for recycling metallic sludge |
| 09/28/2006 | US20060213323 Method for recovering platinum group elements |
| 09/27/2006 | CN1837386A Wet-method for leaching of low-grade high-alkali hybrid copper ore, nickel ore and zinc ore |
| 09/21/2006 | US20060207389 copper sulfide bearing raw material together with flux, oxidizing gas and copper raw material obtained from the process circulation are conducted to a smelting furnace in order to manufacture blister copper and slag; hydrometallurgy, leaching; improved direct recovery of copper into blister copper |
| 09/20/2006 | EP1702080A1 Improved bacterial oxidation of sulphide ores and concentrates |
| 09/20/2006 | CN1276107C Electronic tough copper production process |
| 09/13/2006 | EP1490375A4 Process for the dissolution of copper metal |
| 09/13/2006 | CN1274608C Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus |
| 09/08/2006 | WO2006041695A3 Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 09/07/2006 | US20060196313 Method for recovering copper from copper-containing materials using direct electrowinning |
| 09/06/2006 | EP1325165B1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 09/06/2006 | CN1829891A Electric reducing furnace |
| 08/31/2006 | US20060193762 Catalyzed dissolution of copper from sulfur-containing copper minerals |
| 08/31/2006 | US20060192175 Low viscosity copper solvent extraction reagent formulations |
| 08/31/2006 | US20060191377 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 08/31/2006 | US20060191376 Method and devices for recycling copper from a discarded circuit board and a discarded fluid containing copper |
| 08/24/2006 | WO2006087413A1 Method for the recovery of gold from a gold-containing solution |
| 08/24/2006 | WO2006087412A1 Method for the recovery of gold from sulphide concentrate |
| 08/24/2006 | CA2598181A1 Method for the recovery of gold from a gold-containing solution |
| 08/24/2006 | CA2598055A1 Method for the recovery of gold from sulphide concentrate |
| 08/23/2006 | EP1634027B1 Industrial oven |
| 08/23/2006 | CN1823174A Method for smelting copper concentrates |
| 08/23/2006 | CN1823173A Method for producing concentrates |
| 08/23/2006 | CN1823171A Method for processing sulfide ores containing precious metals |
| 08/23/2006 | CN1271225C Method and device for reducing oxygen content of copper melt |
| 08/17/2006 | WO2006084950A1 Method for the treatment of copper-bearing materials |
| 08/17/2006 | US20060182674 Reduction of copper content in the molybdenite concentrate |
| 08/17/2006 | CA2597354A1 Method for the treatment of copper-bearing materials |
| 08/16/2006 | EP1497474B1 Method for the purification of copper chloride solution |
| 08/16/2006 | CN1820087A Pyrometallurgical production of copper in converter |
| 08/10/2006 | WO2006082484A2 Reduction of copper content in the molybdenite concentrate |
| 08/09/2006 | EP1687317A1 Method for agglomerating and passivating a used mass or organohalosilane production fines |
| 08/08/2006 | US7087100 Heating a metal compound in a hydrocarbon to convert said metal compound to a solid nanosized member; separating the hydrocarbon from the solid nanosized member; and recovering the solid nanosized member. |
| 08/03/2006 | US20060169643 Method for controlling oxygen when separating minerals from a slurry |
| 08/03/2006 | US20060169104 Recovering nickel |
| 08/02/2006 | CN1267569C Reducing agent for refining copper by fire method |
| 07/26/2006 | CN1809579A Method for the agglomeration of used material or fines from the production of organohalosilanes |
| 07/26/2006 | CN1266291C Method for purifying the solution in the hydrometallurgical processing of copper |
| 07/25/2006 | CA2221781C Chloride assisted hydrometallurgical extraction of metal |
| 07/20/2006 | WO2006049631B1 Process for multiple stage direct electrowinning of copper |
| 07/20/2006 | DE20023820U1 Reducing oxygen content of copper melt comprises melting copper initially in shaft furnace, and subsequently feeding it to treatment furnace via transporting channel |
| 07/19/2006 | EP1309392B1 Method for metal recovery from aqueous solutions |
| 07/19/2006 | CN1805793A A resin and process for extracting non-ferrous metals |
| 07/19/2006 | CN1805773A Method and equipment for purifying an extraction solution from aqueous entrainment and impurities. |
| 07/19/2006 | CN1265001C Technology for leaching copper sulfide ore using copper ore acidic ore pit water containing bacteria |
| 07/19/2006 | CN1264632C Method for preparing copper powder through hydrogen reduction from water slurry of sulfide of copper |
| 07/18/2006 | CA2255811C Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 07/12/2006 | EP1678336A1 A process for the recovery of value metals from base metal sulfide ores |
| 07/12/2006 | EP1501952A4 Process for extracting platinum group metals |
| 07/12/2006 | CN1800421A Recovering process of valent metal from crude bismuth |
| 07/06/2006 | WO2006070052A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 07/06/2006 | WO2006069760A1 Use of surfactants in the production of metal |
| 07/06/2006 | US20060147360 Method for extracting copper with solvent |
| 07/06/2006 | US20060144717 For recovering copper from chalcopyrite-containing ore using pressure leaching and direct electrowinning in combination with a leaching, solvent/solution extraction and electrowinning operation; reduced cost |
| 07/06/2006 | US20060144716 Process for multiple stage direct electrowinning of copper |
| 07/06/2006 | US20060144192 Hydrometallurgical process for the most complete metal extraction while preventing elementary sulfur formation; sulfide minerals oxidation in aqueous slurry using nitrogen oxides under controlled acidity; sulfuric acid formed neutralized constantly by calcium/magnesium salts |
| 07/06/2006 | US20060144191 Method for recovery of nonferrous, rare and precious metals from robust minerals |
| 07/06/2006 | CA2592098A1 Use of surfactants in metal extraction |
| 07/06/2006 | CA2591887A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 07/05/2006 | CN1262677C Refined method for copper materials containing copper sulphide minerals |
| 06/29/2006 | US20060138050 Method and apparatus for metal removal by ION exchange |
| 06/22/2006 | WO2006049631A3 Process for multiple stage direct electrowinning of copper |
| 06/21/2006 | EP1507878B1 Chloride assisted hydrometallurgical extraction of metals |
| 06/21/2006 | CN2789694Y High-temperature molten slag continuous reduction copper-smelting slag separating furnace |
| 06/21/2006 | CN1789445A Method for separating copper, arsenic and zinc from copper-smelting high-arsenic flue dust sulphuric acid leach liquor |
| 06/21/2006 | CN1260376C Combined heap leaching process for copper ore |
| 06/15/2006 | WO2006061265A1 Pneumatic flotation column |
| 06/14/2006 | CN1788096A Method for extracting copper from leach solutions at elevated temperatures |
| 06/14/2006 | CN1788094A Recovery of metal values from cermet |