Patents for C22B 11 - Obtaining noble metals (5,080)
06/2006
06/07/2006EP1666613A1 Improvement to silver and gold leaching method with thiourea solutions
06/06/2006CA2321703C Apparatus and methods for recovering valuable metals
05/2006
05/31/2006CN1778723A Electrosilvering cleaning water comprehensive utilization
05/30/2006CA2194349C Method and apparatus for extracting precious metals from their ores and the product thereof
05/23/2006US7048774 Recovery of metal values from cermet
05/17/2006CN2780779Y Impact type three-layer immersion barrel
05/16/2006US7044995 From materials comprising the metals, such as ore, slag, scrap, slurry concentrate, metallurgical intermediates, by-products and the like by the formation, separation and decomposition of volatile compounds comprising the metals
05/10/2006CN1769504A Method of recovering platinum and rhenium from waste catalyst
05/09/2006US7041152 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.
05/04/2006WO2006013568A3 Recovery of precious metals from electronic scrap by hydrometallurgical processing
05/03/2006EP1651785A1 A process for recovering platinum group metals from ores and concentrates
05/03/2006EP1575702B1 Treatment of granular solids in a fluidized bed with microwaves
05/03/2006CN1766139A Spongy platinum deoxidation method and hydrogen reducing furnace using the method and spongy platinum crushing method
05/03/2006CN1766136A Method for extracting gold
05/02/2006US7037357 Dissolving; alkaline treatment in brine solutions, then acidification
04/2006
04/27/2006WO2006043065A1 Extraction process
04/25/2006US7033480 Process for recovering platinum group metals from material containing base metals
04/20/2006US20060084572 forming an overcoat layer of zro2 on the surface of the catalyst layer, allowing the catalyst body ( Pt on cordierite) having the overcoat layer to stand under the condition to result in a difference in expansibility or contractility exhibited by the overcoat layer from that exhibited by the carrier
04/19/2006CN2773095Y Leaching and adsorbing agitation tank
04/19/2006CN1252021C Method for recovery of metals by incineration of metal contg. basic ion exchange resin
04/12/2006CN1759194A Method for recovering platinum group element
04/11/2006US7025942 Controlling addition of lead compound
04/05/2006CA2521686A1 Stabilized silver nanoparticles and their use
04/04/2006US7022281 Systems and methods for removing contaminate material from a flowable material
03/2006
03/30/2006WO2006033534A1 Single crystal wire and manufacturing method of the same
03/30/2006US20060065075 Silver nanoparticles made in solvent
03/29/2006CN1247804C Process for recovering palladium from TDI hydro genation waste palladium carbon catalyst
03/28/2006CA2380629C Process for producing oxide-dispersion strengthened platinum material
03/22/2006EP1636866A2 Process for the concentration of noble metals from fluorine-containing fuel cell components
03/22/2006EP1636393A1 Process for recovery of palladium from spent catalyst
03/22/2006CN1749421A Process for extracting platinum metals from ore containing platinum metal
03/21/2006CA2520275A1 Recovery of one or more platinum group metals from a source of one or more platinum group metals
03/15/2006EP1229977B1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions
03/15/2006EP1112389B1 Process for recovery of gold and/or silver
03/14/2006US7012209 Method of gold separation and gold separation device
03/09/2006WO2006024507A1 Process for recycling fuel cell components containing precious metals
03/09/2006DE102004041997A1 Verfahren zum Recycling von Brennstoffzellenkomponenten Method for recycling fuel cell components
03/08/2006CN1745085A Novel heteroatom containing tetracyclic derivatives as selective estrogen receptor modulators
03/01/2006EP1629129A2 Precious metal recovery using thiocyanate lixiviant
02/2006
02/23/2006US20060037438 Process for extraction of metals from ores or industrial materials
02/22/2006CN1737171A Method for reducing wet method smelting waste liquid pollution and saving silver immersion cost
02/09/2006WO2006013568A2 Recovery of precious metals from electronic scrap by hydrometallurgical processing
02/08/2006EP1623049A1 Recovery of platinum group metals
02/08/2006CN1732277A Recovering metals from sulfidic materials
02/01/2006CN1729049A Method and plant for the thermal treatment of granular solids in a fluidized bed
02/01/2006CN1729047A Treatment of granular solids in a fluidized bed with microwaves
01/2006
01/31/2006US6991669 System and method for silver recovery and monitoring
01/26/2006WO2005103308A8 Method for extracting copper with solvent
01/25/2006EP1618219A2 Recovery of metal values from cermet
01/25/2006EP1294955B1 Platinum group metal recovery from organics-pgm compositions with supercritical water reactant
01/25/2006CN1238184C Composite Pd-containing material wire and its preparation and use
01/12/2006WO2006003246A1 Method and device for treating anode slime
01/12/2006US20060005665 Process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof
01/12/2006CA2570325A1 Method and device for treating anode slime
01/11/2006CN1720343A A process for the recovery of adsorbed palladium from spent silica
01/11/2006CN1718784A Method of recovery copper, nickel and noble metal in waste water and slag by combined technology of wet method and fire method
01/05/2006US20060002834 Biooxidation pretreatment of a first gold-bearing sulfidic mineral to release gold and produce an acidic liquor effluent that contains dissolved ferric ion, which is used to treat a second acid-consuming mineral; resultant rise in pH effects precipitation of dissolved iron and release of more gold
01/05/2006US20060000311 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
01/04/2006EP1432836A4 Metal ion recovery
01/04/2006CN1715428A Method for extracting metal solvent
01/04/2006CN1234889C Extraction of platinum family metals and Cu, Ni and Co from sulfide ore or floated concentrate of platinum family metals
12/2005
12/29/2005WO2004092448A3 Precious metal recovery using thiocyanate lixiviant
12/28/2005EP1609527A1 Method for recovering catalyst material, catalyst material recovered by said recovering method, method for recovering substrate, substrate recovered by said recovering method
12/22/2005DE102004025871A1 Through-flow device for removing metallic mercury from a mercury-containing fluid comprises a surface region made from an amalgam-forming metal over which the fluid flows
12/21/2005EP1607488A1 Method for recovering platinum group element
12/21/2005EP1606424A1 Method for the fine refinement of gold
12/14/2005EP1604047A1 Method for the refinement of gold
12/08/2005US20050272238 Method for depositing and etching ruthenium layers
12/07/2005CN1230657C Apparatus for heating flowing material containing solids
12/07/2005CN1230386C Process for recovering noble metal from noble metal microparticle dispersive liquid
12/06/2005CA2322682C Extraction of valuable metal by acid cyanide leach
11/2005
11/17/2005US20050255017 Method for separating platinum group element
11/17/2005US20050252339 Dental prosthesis method and alloys
11/16/2005EP1595523A1 Dental prosthesis method and alloys
11/16/2005CN1697887A Treatment of base metal concentrate
11/16/2005CN1697704A Method for recovering catalyst material, catalyst material recovered by said recovering method, method for recovering substrate, substrate recovered by said recovering method
11/10/2005WO2005106052A1 Method for recovering gold
11/10/2005WO2005106051A1 Method for the recovery of gold in connection with the production of copper
11/10/2005US20050247162 Precious metals recovery from waste materials using an induction furnace
11/10/2005CA2564338A1 Method for recovering gold
11/03/2005WO2005103308A1 Method for extracting copper with solvent
11/02/2005EP1315693B1 Recovery of metals from olefin hydroformylation reactions
10/2005
10/27/2005WO2005100622A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
10/27/2005CA2563075A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
10/26/2005EP1587614A1 Method and plant for the thermal treatment of granular solids in a fluidized bed
10/26/2005EP1504129B1 Separation of platinum group metals
10/26/2005CN1688730A Method for removal of silver from a copper chloride solution
10/20/2005WO2005098058A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
10/20/2005US20050229747 Silver Crystals Through Tollen's Reaction
10/20/2005CA2562260A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
10/19/2005CN1683573A Poisonless low cost refining method for noble metals
10/19/2005CN1683572A Poisonless extracting and refining method for noble metals
10/12/2005EP1583848A1 Recovering metals from sulfidic materials
10/06/2005WO2005093107A1 Recovery of metals from oxidised metalliferous materials
10/06/2005US20050218078 Chromatographic interseparation of rhodium mixed with ruthenium and base metal(s) from a solution of complexes of these metals (ruthenium is present as a nitrosyl complex) by contacting a support functionalised with a substituted monoamine group having at least one hydrophilic group.
10/06/2005US20050217431 Certification of post-consumer recycled content gold jewelry
10/06/2005US20050217422 Method for refining concentrate containing precious metals
10/06/2005CA2560594A1 Recovery of metals from oxidised metalliferous materials
10/05/2005CN1221674C Method for extracting gold from arsenic and gold contained headings
09/2005
09/29/2005US20050211630 Recovering catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating the components; especially for Nafion membranes
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