| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 09/29/2005 | US20050211018 Injecting ammonium perrhenate and hydrogen containing gas through torch device then quenching; easy to handle, eliminates post treatment, free of toxic by products |
| 09/29/2005 | DE102005008684A1 Verwendung von Flüssigkristall-Displays sowie Verfahren zu deren Verwertung The use of liquid crystal displays and methods for their recovery |
| 09/28/2005 | CN1675386A Inhibition of the depletion of precious metal values from pregnant lixiviant solutions |
| 09/28/2005 | CN1675385A Method of recovering platinum group element and apparatus therefor |
| 09/21/2005 | EP1577408A1 Method for separating platinum group element |
| 09/21/2005 | EP1576200A1 A process for the recovery of adsorbed palladium from spent silica |
| 09/21/2005 | EP1575702A1 Treatment of granular solids in a fluidized bed with microwaves |
| 09/15/2005 | WO2005084836A1 Use of liquid crystal displays and method for the use thereof |
| 09/14/2005 | CN1668771A Method for obtaining cobalt and nickel from ores and ore concentrates |
| 09/14/2005 | CN1668770A Metal compound removal |
| 09/09/2005 | WO2005083131A1 Extractants for palladium and process for separation and recovery of palladium |
| 09/07/2005 | EP1569939A1 Novel heteroatom containing tetracyclic derivatives as selective estrogen receptor modulators |
| 09/01/2005 | WO2005080031A1 Method and apparatus for producing nano-particles of silver |
| 08/31/2005 | CN1661120A Chlorination treatment process of Se contg. substance |
| 08/25/2005 | US20050186129 reducing chloroplatinic acid in the presence of gold particles formed by reducing chloroauric acid, to form platinum particles supported on the surfaces of the gold particles; colloids having high sensitivity, used as labels for immunological measurements and as staining agent for proteins |
| 08/25/2005 | US20050183543 Silver powder made of silver particles, each to which fine silver particles adhere and process of producing the same |
| 08/24/2005 | CN1216160C Gold extraction technology for direct roasting gold raw ore |
| 08/18/2005 | US20050179175 Method and apparatus for producing nano-particles of silver |
| 08/11/2005 | WO2005072863A1 Noble metal adsorbent and using the same, method of noble metal adsorption and method of noble metal recovery |
| 08/10/2005 | CN1653198A Method for separating platinum group element |
| 08/10/2005 | CN1653197A Method for the recovery of gold |
| 08/04/2005 | WO2005071121A1 Extraction of metals with diquaternary ammonium salts |
| 08/04/2005 | US20050166707 Method of recovering platinum group element and apparatus therefor |
| 08/04/2005 | CA2555790A1 Extraction of metals with diquaternary ammonium salts |
| 08/03/2005 | CN1650037A Method for refining concentrate containing precious metals |
| 08/03/2005 | CN1650036A Process for extracting platinum group metals |
| 08/02/2005 | US6923922 Recover and recycle rhodium from spent partial oxidation catalysts |
| 07/28/2005 | US20050160877 recovery of gold in connection with the hydrometallurgical production of copper from a residue or intermediate product containing sulphur and iron generated in the leaching of copper raw material. The recovery of both copper and gold takes place in solution |
| 07/21/2005 | US20050155911 [method of gold separation and gold separation device] |
| 07/21/2005 | US20050155459 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. |
| 07/21/2005 | US20050155458 Method for Improving Metals Recovery Using High Temperature Pressure Leaching |
| 07/20/2005 | CN1640549A Method of gold separation and gold separation device |
| 07/16/2005 | CA2455527A1 Method of gold separation and gold separation device |
| 07/14/2005 | WO2005064023A1 A method of recovering metal values from refractory sulphide ores and concentrates |
| 07/14/2005 | CA2553548A1 A method of recovering metal values from refractory sulphide ores and concentrates |
| 07/13/2005 | EP1553193A1 Method of recovering platinum group element and apparatus therefor |
| 07/12/2005 | CA2204424C Process for the extraction and production of gold and platinum-group metals through cyanidation under pressure |
| 07/07/2005 | WO2005061113A1 Method for processing the rock mass of heavy metal fields |
| 07/07/2005 | WO2005012581A3 Methods for improving the recovery of metal leaching agents |
| 07/06/2005 | EP1549777A1 Method for removal of silver from a copper chloride solution |
| 06/30/2005 | DE10392375T5 Abtrennverfahren für Elemente der Platingruppe Separation of platinum group elements |
| 06/29/2005 | CN1632143A Method for chloridizing roasting and ammonia extraction of silver and manganese products for manganese silver finished ore |
| 06/29/2005 | CN1208482C Method of crude gold purification |
| 06/16/2005 | DE202005004529U1 Zahnprothese und Rohling aus Dentallegierung für die maschinelle Bearbeitung einer Zahnprothese Denture and blank of dental alloy for machining a dental prosthesis |
| 06/15/2005 | CN1626690A New method for hydrogen reduction separating rhodium in iridium solution |
| 06/15/2005 | CN1206379C Clay gold ore dump leaching benefication production |
| 06/15/2005 | CN1206376C Bioleaching of sulphide minerals |
| 06/09/2005 | WO2004102711A3 Process for the concentration of noble metals from fluorine-containing fuel cell components |
| 06/09/2005 | US20050121390 From a solution containing solid precious metal, in particular, gold, in ionic form including the step of contacting a solution containing said precious metal in ionic form with a conducting polymer, for example, a polypyrrole or polythiophene, optionally doped |
| 06/08/2005 | EP1537247A1 Metal compound removal |
| 06/08/2005 | CN1204974C Installation and method for processing shredder residues and use of shred fraction so produced |
| 06/07/2005 | CA2065837C Process for treating ore having recoverable metal values including arsenic containing components |
| 06/02/2005 | US20050118081 Process for the recovery of value metals from base metal sulfide ores |
| 06/01/2005 | CN1204332C Digging and separating method for placer gold and equipment thereof |
| 05/26/2005 | WO2005047856A2 Automated mineral processing systems and methods |
| 05/26/2005 | US20050112741 Treatment of soil impurities; coarse particle sizes; biooxidation |
| 05/17/2005 | US6893482 Method for improving metals recovery using high temperature pressure leaching |
| 05/12/2005 | US20050102061 Automated mineral processing systems and methods |
| 05/11/2005 | EP1226284B1 Apparatus for heating flowing material containing solids |
| 05/11/2005 | CN1614046A Extraction of gold from PCB by catalyst oxidation |
| 05/11/2005 | CN1613589A Indirecting light chemical preparation for gold nanometer material |
| 05/10/2005 | US6890496 Using diquaternary ammonium compound |
| 05/10/2005 | US6890371 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 05/06/2005 | WO2005040435A1 Oxidative leach process for recovery of hydrocarbons and the extraction of metals |
| 05/06/2005 | WO2004104238A3 Method for extracting copper from leach solutions at elevated temperatures |
| 05/04/2005 | CN1200122C Method for extracting osmium, iridium and ruthenium |
| 04/27/2005 | CN1609241A Process for mutual separation of platinum group metals |
| 04/27/2005 | CN1198950C Recovery of zinc from zinc bearing sulphide minerals by bioleaching and electrowinning |
| 04/27/2005 | CN1198949C Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed |
| 04/27/2005 | CA2460398A1 Oxidative leach process for the recovery of hydro-carbons and the extraction of metals |
| 04/27/2005 | CA2446504A1 Oxidative leach process for extracting metal from ore |
| 04/21/2005 | WO2005035804A1 Recovery of precious metals from waste catalysts |
| 04/21/2005 | US20050081683 Process for extracting platinum group metals |
| 04/20/2005 | CN1607182A Nanometer tube titanic acid and its preparation method and application |
| 04/14/2005 | WO2003091463A8 Method for the recovery of gold |
| 04/13/2005 | CN1196554C Preparation method of nanometer silver material |
| 04/07/2005 | WO2005031013A1 Platinum group metal extraction by ore smelting and conversion |
| 04/07/2005 | WO2005031012A1 A process for the recovery of value metals from base metal sulfide ores |
| 04/06/2005 | CN1603432A Technological process for extracting gold, silver and palladium from electronic industry waste |
| 04/06/2005 | CN1195882C Process for refining silver bullion |
| 04/05/2005 | US6875254 Methods for detecting and extracting gold |
| 03/31/2005 | WO2005028687A1 Improvement to silver and gold leaching method with thiourea solutions |
| 03/31/2005 | US20050066774 Leaching in presence of oxidant (nitric acid) while being suspended in hydrochloric acid solution, and solvent extraction with diethylene glycol dibutyl ether to form raffinate, hydrolyzing, then precipitating |
| 03/31/2005 | CA2534737A1 Improvement to silver and gold leaching method with thiourea solutions |
| 03/30/2005 | EP1425428B1 Method for obtaining cobalt and nickel from ores and ore concentrates |
| 03/30/2005 | CN1195085C Amminochloride process of purifying gold |
| 03/17/2005 | US20050056548 Method for recovering trace elements from coal |
| 03/15/2005 | US6866833 Fluoroalkylated thiourea derivative; extracting gold, platinum, silver, palladium and rhodium |
| 03/03/2005 | WO2005019500A1 Method of recovery of metals from etching solutions |
| 03/03/2005 | WO2004101834A3 Treatment of base metal concentrate by a two-step bioleaching process |
| 03/02/2005 | EP1509628A1 Method for refining concentrate containing precious metals |
| 03/02/2005 | EP1244824B1 Dense refractory material for use at high temperatures |
| 03/01/2005 | US6860919 Recovery of precious metal from sulphide minerals by bioleaching |
| 02/24/2005 | WO2005017215A1 Improved thiosulphate leach process |
| 02/24/2005 | US20050042156 Using an etching solution of ferric chloride to etch nickel and/or copper, placing iron particles in the spent etching solution to precipitate a metal powder of nickel and/or copper; regeneration of remaining etching solution; prevents sludge waste |
| 02/24/2005 | US20050040108 Metal ion recovery |
| 02/24/2005 | CA2536138A1 Improved thiosulphate leach process |
| 02/23/2005 | EP1508762A2 Refractory material for use at high temperatures |
| 02/15/2005 | US6855527 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 02/10/2005 | WO2005012581A2 Methods for improving the recovery of metal leaching agents |