| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 09/17/2009 | WO2009113842A1 Process for leaching and recovering silver and gold with ammoniacal thiosulphate solutions of copper |
| 09/16/2009 | CN101535510A Method for collecting metal |
| 09/16/2009 | CN100541885C Process for the concentration of noble metals from fluorine-containing fuel cell components |
| 09/11/2009 | WO2009111076A2 Metal recovery |
| 09/11/2009 | CA2716315A1 Metal recovery |
| 09/10/2009 | US20090226352 Method for recovering noble metal |
| 09/10/2009 | US20090223325 Metal recovery |
| 09/09/2009 | CN101525697A Method for separating enriched palladium by adopting supermolecule secondary spherical coordination identification |
| 09/09/2009 | CN101525694A Separation process for material containing lead, antimony, copper, bismuth and silver |
| 09/09/2009 | CN100537800C Method for reclaiming metal palladium and palladium chloride from waste loading palladium hydrogenation catalyst |
| 09/07/2009 | CA2650327A1 Method for recovering noble metal |
| 09/03/2009 | WO2009108125A1 Gold nanoparticles |
| 09/03/2009 | WO2009107647A1 Process for the recovery of metal |
| 09/03/2009 | WO2009105832A1 Selective gold extraction from copper anode slime with an alcohol |
| 09/03/2009 | US20090217785 Method for separating impurities out of feed stock in copper melts |
| 09/02/2009 | CN101519732A Method for recycling ruthenium from ruthenium-containing waste |
| 09/02/2009 | CN101519731A Method for extracting high arsenic complicated golden ore concentrate multielement |
| 09/02/2009 | CN101519725A Method for extracting precious metal from auto-exhaust catalyst by hydrometallurgy and pyrometallurgy complex process |
| 08/27/2009 | US20090211516 Method of manufacturing single crystal wire |
| 08/27/2009 | DE10249520B4 Lösen von Sammlerlegierungen auf Eisenbasis mit Hilfe des Systems Fe 3+/Cl2 Solving collectors iron-base alloys using the system Fe 3 + / Cl2 |
| 08/27/2009 | DE102008006796A1 Verfahren zum Gewinnen von Ruthenium aus Ruthenium oder Rutheniumoxide enthaltenden Materialien oder rutheniumhaltigen Edelmetall-Erzkonzentraten A method for the recovery of ruthenium-containing materials of ruthenium or ruthenium oxides or ruthenium-containing noble metal ore concentrates |
| 08/26/2009 | CN101514399A Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 08/20/2009 | WO2009101926A1 Rare metal extracting agent |
| 08/20/2009 | WO2009063438A3 Removal of cyanide from aqueous streams |
| 08/20/2009 | US20090209693 Silver Beta-Ketocarboxylate, Material Comprising the Same for Forming Silver Metal, and Use Thereof |
| 08/19/2009 | EP2090669A2 Method for generating ruthenium from materials or noble metal ore concentrates containing ruthenium or ruthenium oxide |
| 08/19/2009 | CN101509082A Method for extracting iron from lean hematite ore |
| 08/19/2009 | CN101509077A Method for extracting platinum, palladium, rhodium from automotive catalyst of ore phase reconstruction |
| 08/19/2009 | CN100529126C Use of non-ionic surfactants in the production of metals |
| 08/19/2009 | CA2622385A1 Alkalinity exchange process for improving the extraction of precious and rare metals |
| 08/18/2009 | US7575711 Apparatus for producing nano-particles of silver |
| 08/06/2009 | WO2009094732A1 Process for the recovery of precious metals from used and/or defective catalytic carriers |
| 08/06/2009 | CA2712320A1 Process for the recovery of precious metals from used and/or defective catalytic carriers |
| 08/05/2009 | EP2083954A2 Method for treating waste containing precious metals and device for implementing said method |
| 08/05/2009 | CN101497944A Process for recycling lead and silver by lead silver slag pyrogenic process |
| 08/05/2009 | CN101497941A Ammonia-free thiosulfate solution for leaching silver from ore |
| 08/05/2009 | CN101497940A Process for leaching silver from ore by ammonia-free thiosulfate solution |
| 08/05/2009 | CN100523774C Method for refining wastes containing metal to recovery metal thereinto |
| 07/30/2009 | WO2009093730A1 Method of recovering noble metals and recovering system for noble metals |
| 07/30/2009 | WO2009076684A3 Recovery of metal, espacially silver, from metal chlorides by hydrogen reduction |
| 07/29/2009 | EP2082817A1 Use of liquid crystal displays and method for the use thereof |
| 07/29/2009 | EP2081685A1 Method of extracting platinum group metals from waste catalists through electrochemical process |
| 07/29/2009 | CN100519788C Production method of silver pressure leaching from vulcanised ore concentrate by using sulfocyanate solution |
| 07/23/2009 | WO2009092023A1 Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning |
| 07/23/2009 | WO2009091391A1 Precious metal recovery |
| 07/23/2009 | US20090183597 Metal Extraction from Various Chalcogenide Minerals through Interaction with Separate Electric Fields and Magnetic Fields Supplied by Electromagnetic Energy |
| 07/23/2009 | CA2712274A1 Method and apparatus for electrowinning copper with ferrous/ferric anode reaction electrowinning |
| 07/22/2009 | CN101487086A Method for separating lead and platinum by zincing |
| 07/22/2009 | CN101487085A Method for separating lead and palladium by zincing |
| 07/21/2009 | US7563420 Method for recovering rhodium and silver from hydrochloric acid |
| 07/16/2009 | US20090178513 Extractants for palladium and method of rapidly separating and recovering palladium using the same |
| 07/14/2009 | US7559974 Method for thiosulfate leaching of precious metal-containing materials |
| 07/14/2009 | US7559973 Precious metal recovery using thiocyanate lixiviant |
| 07/14/2009 | US7559971 Method for removal of silver from a copper chloride solution |
| 07/14/2009 | US7559970 Method for producing metal nanoparticles and metal nanoparticles produced thereby |
| 07/08/2009 | EP1794763B1 Silver microribbon composition and method of production |
| 07/08/2009 | CN101476044A Method for recycling platinum and rhodium from binary aqua regia insoluble slag |
| 07/07/2009 | CA2383812C Recovery of zinc from zinc bearing sulphide minerals by bioleaching and electrowinning |
| 07/02/2009 | WO2009080522A1 Synthesis of au, pd, pt or ag nano- or microcrystals via reduction of metal salts by cellulose in the ionic liquid 1-butyl-3-methyl imidazolium chloride |
| 07/01/2009 | EP2074234A2 Pre-treatment of feed to non-stirred surface bioreactor |
| 07/01/2009 | CN101469371A Method for recycling noble metal in industrial wastewater or mineral smelting leaching liquor by supported liquid membrane technology |
| 06/30/2009 | US7553793 Method and system for recovering catalyst for fuel cell |
| 06/25/2009 | WO2008131856A3 Method for the recovery of ruthenium from a supported catalyst material containing ruthenium |
| 06/25/2009 | US20090158896 Monodisperse, Macroporous Chelating Resins in Metal Winning |
| 06/25/2009 | US20090158894 Method for recovering gold |
| 06/25/2009 | US20090158893 Microbial pre-treatment of double refractory gold ores |
| 06/24/2009 | EP1623049B1 Recovery of platinum group metals |
| 06/23/2009 | US7550027 Method for supplying cover gas |
| 06/18/2009 | WO2009076684A2 Recovery of metal, espacially silver, from metal chlorides by hydrogen reduction |
| 06/18/2009 | CA2708625A1 Reduction of metal chloride |
| 06/17/2009 | CN201258351Y Apparatus for dissolving noble metal indissoluble material |
| 06/17/2009 | CN101457298A Gold secondary recovery method from cyaniding gold concentrator tailings |
| 06/11/2009 | WO2009072908A2 Gold recovery system and process therefor |
| 06/10/2009 | CN101451194A Gold recovery method from carbonaceous gold ore concentrate |
| 06/10/2009 | CN101451193A Method for improving gold loaded carbon grade in gold-leaching process by carbon-in-pulp process |
| 06/10/2009 | CN101451192A Comprehensive recovery method for directly cyanating and intensified leaching multi-metal gold ore concentrate |
| 06/10/2009 | CN101451191A Fast gold-leaching process by CIP process |
| 06/10/2009 | CN101451190A Novel method for separating gold and silver from gold mud |
| 06/10/2009 | CN101451189A Method for recovering gold from molybdenum concentrate |
| 06/10/2009 | CN101450950A Tetracyclic heterocompounds as estrogen receptor modulators |
| 06/09/2009 | US7544232 Using thiosulfate lixiviants, contains at most only small amounts of toxic copper and/or ammonia and operate at a relatively low pH, reduction of polythionates, inert atmospheres to control polythionate production, and electrolytic solutions which provide high rates of precious metal recovery |
| 06/09/2009 | US7544231 From cyanide solution or leachate via precipitation; ion exchanging |
| 06/09/2009 | CA2332520C Hydrometallurgical treatment process for extraction of platinum group metals obviating the matte smelting process |
| 06/04/2009 | WO2009068735A1 Method for processing pyritic concentrate containing gold, copper and arsenic |
| 06/04/2009 | US20090139910 Separation of metals from sand |
| 06/04/2009 | CA2706414A1 Method for processing pyritic concentrate containing gold, copper and arsenic |
| 06/04/2009 | CA2705487A1 Microbial pre-treatment of double refractory gold ores |
| 06/03/2009 | EP2064357A1 Method and device for catchment of platinum group metals in a gas stream |
| 06/03/2009 | CN201250268Y Gold concentrate cinder acid dipping slot device |
| 06/03/2009 | CN201250267Y Purification system for gold ore concentrate cinder acid leaching solution |
| 06/03/2009 | CN201250266Y Gold concentrate sulfating fluosolid roaster |
| 05/28/2009 | WO2009067039A1 Method for extracting precious metals from refractory ores and concentrates |
| 05/27/2009 | EP1922422A4 Process for recovering platinum group metals, rhenium and gold |
| 05/27/2009 | CN201245694Y Pickling tank atmospheric vent with scrubber |
| 05/27/2009 | CN101443465A Production of iron using environmentally-benign renewable or recycled reducing agent |
| 05/26/2009 | US7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 05/26/2009 | US7537640 Leaching gold with dissolved thiocyanate and dissolved ferric iron producing precious metal-thiocyanate complex, reducing ferric iron to dissolved ferrous iron; introducing dissolved cyanide and converting to precious metal-cyanide complex |
| 05/26/2009 | CA2367651C Control of lead nitrate addition in gold recovery |
| 05/22/2009 | WO2009063438A2 Removal of cyanide from aqueous streams |
| 05/22/2009 | CA2705912A1 Removal of cyanide from aqueous streams |