| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 07/14/2010 | CN101353726B Method for separating lead platinum alloy by vacuum distillation |
| 07/08/2010 | WO2010076030A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution |
| 07/07/2010 | CN101768123A 2-octylsulfo-1H-benzimidazole, preparation method and method for extracting and separating palladium and platinum by using same |
| 07/01/2010 | WO2010074294A1 Method for manufacturing composition containing platinum group metal |
| 06/30/2010 | CN101760629A Thiosulfate gold extracting method taking triethylene tetramine as additive |
| 06/30/2010 | CN101760628A Thiosulfate gold extracting method taking diethylenetriamine as additive |
| 06/30/2010 | CN101760627A Method for recovering noble metal in waste noble metal catalysts |
| 06/30/2010 | CN101760624A Method for extracting gold by using circuit board anode mud |
| 06/30/2010 | CN101760610A Method for comprehensively recycling gold concentrator tailings |
| 06/30/2010 | CN101757807A Vertical filter press and gold mine cyanation leaching washing process using same |
| 06/29/2010 | US7744834 Forming a mixture by dissociating a metal precursor of silver, palladium, platinum, gold or alloy thereof in fatty acid; adding metallic salt of tin, magnesium and/or iron as a catalyst; adding polar solvent, precipitation, centrifugal separation; uniform particle size distribution |
| 06/23/2010 | EP2199414A1 Process for producing molten iron |
| 06/23/2010 | CN101748286A Method for recovering gold and silver from aqua regia residue |
| 06/23/2010 | CN101748285A Refined gold ore cyaniding and leaching process |
| 06/23/2010 | CN101748284A Method for recovering precious metal |
| 06/23/2010 | CN101748283A Method and equipment for recovering gold from gold jewelry polishing powder |
| 06/23/2010 | CN101748276A Process for extracting, separating and purifying Ag, Au, Pd and Pt |
| 06/23/2010 | CN101298639B Comprehensive utilization process of malachite ore |
| 06/23/2010 | CN101280362B Recovery method of platinum catalyst in membrane electrode of waste fuel batter with proton exchange film |
| 06/22/2010 | US7740685 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 06/17/2010 | US20100148132 Particulate nanoparticles and nanowires of silver and method for large scale producing the same |
| 06/16/2010 | CN201508116U Movable type arc-shaped gas hood of silver making converter mouth |
| 06/16/2010 | CN101736159A Method for recovering gold from alkaline waste water |
| 06/16/2010 | CN101735160A 4-amino-3,5-bi(mercapto-methyl)-1,2,4-tolyltriazole compound and synthesizing method thereof |
| 06/16/2010 | CN101392326B Method for recovering gold from all-sliming cyanidation gold extraction slag |
| 06/15/2010 | US7736606 Process for the recovery of value metals from base metal sulfide ores |
| 06/10/2010 | US20100143781 Methods for the preparation and purification of electrolytes for redox flow batteries |
| 06/09/2010 | CN101476044B Method for recycling platinum and rhodium from binary aqua regia insoluble slag |
| 06/09/2010 | CN101397608B Method for enriching and recovering metal platinum and rhodium from waste refractory materials |
| 06/09/2010 | CN101328541B Gold wet purification process |
| 06/09/2010 | CN101121963B Method of recovering platinum group element and apparatus therefor |
| 06/03/2010 | US20100132509 Method for thiosulfate leaching of precious metal-containing materials |
| 06/02/2010 | EP2191026A1 Simplified process for leaching precious metals from fuel cell membrane electrode assemblies |
| 06/02/2010 | CN1938436B Recovery of metals from oxidised metalliferous materials |
| 06/02/2010 | CN101343691B Pollution-free separation method for plumbum and silver |
| 06/01/2010 | US7727931 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition |
| 05/27/2010 | WO2010058188A1 Plasma method and apparatus for recovery of precious metals |
| 05/27/2010 | CA2780696A1 Plasma method and apparatus for recovery of precious metals |
| 05/26/2010 | CN1653198B Method for separating platinum group element |
| 05/26/2010 | CN101715493A Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 05/26/2010 | CN101713030A Method of separating rhodium from platinum and/or palladium |
| 05/26/2010 | CN101713026A Method for extracting palladium from high-level liquid waste |
| 05/25/2010 | US7722840 Method for thiosulfate leaching of precious metal-containing materials |
| 05/25/2010 | CA2520039C Precious metal recovery using thiocyanate lixiviant |
| 05/19/2010 | CN201473578U Device for recovering extracting agent from gold extraction wastewater |
| 05/19/2010 | CN101709385A Method for sorting gold from gold-bearing high-arsenic tailings |
| 05/19/2010 | CN101708467A Dynamic desorption process for gold-loaded carbon |
| 05/19/2010 | CN101029357B Method for managing, circulating and utilizing nitronic oxide during golden smelting process |
| 05/13/2010 | US20100116093 Method of recovering silver using anion-exchange resin |
| 05/13/2010 | US20100116092 Process for extracting gold from gold-bearing ore |
| 05/13/2010 | US20100116091 System and Method for Leaching a Metal from a Base Mineral Rock |
| 05/13/2010 | CA2660226A1 Method of recovering silver using anion-exchange resin |
| 05/12/2010 | CN101705506A Technology for secondary recovery of gold from flotation tailings |
| 05/12/2010 | CN101705378A Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver |
| 05/12/2010 | CN101705365A Production method for oxygen pressure leaching platinum group metals from platinum group metal waste materials containing sulphur |
| 05/12/2010 | CN101705364A Comprehensive recycling technology of high-charcoal molybdenum-containing gold and silver ore |
| 05/12/2010 | CN101705363A Slot saltatory gold extracting process through cyanide carbon pulp competitive adsorption |
| 05/12/2010 | CN101705359A Method for recovering silver in silver-containing waste water by biological method |
| 05/11/2010 | US7713502 defluorination using water in the supercritical state; remove fluorine or hydrogen fluoride in concentrated form; simple, versatile and environmentally friendly, air pollution control |
| 05/11/2010 | US7713500 Leaching process |
| 05/11/2010 | US7713328 Metallic colloid particles and process for producing same |
| 05/06/2010 | US20100111751 Method for thiosulfate leaching of precious metal-containing materials |
| 05/04/2010 | US7709135 grinding membrane electrode assembly into powder, extracting catalytic element by forming slurry comprising powder and acid leachate, and separating slurry into depleted powder and supernatant |
| 04/28/2010 | CN201443964U Gold concentrate sulfating fluidized bed roaster |
| 04/28/2010 | CN101698905A Method for enriching and separating noble metal in aluminum-containing noble metal liquid by two-step method |
| 04/27/2010 | US7704469 comprises ruthenium oxide on support material which is sparingly soluble in mineral acid, wherein ruthenium oxide is treated in stream of hydrogen, with ruthenium oxide present on support being reduced to metallic ruthenium, treating reduced catalyst with hydrogen chloride |
| 04/27/2010 | US7704298 contacting with thiosulfate lixiviants to solubilize the precious metal and form pregnant leach solution, then electrowinning in presence of sulfite |
| 04/27/2010 | CA2395988C Process for treating precious metal ores |
| 04/27/2010 | CA2181961C Interseparation of platinum group metals |
| 04/22/2010 | US20100095807 Separation reagent of platinum group metal, method for separating and recovering platinum group metal, and amide-containing tertiary amine compound |
| 04/21/2010 | CN201439538U Zinc powder feeder |
| 04/21/2010 | CN1788094B Recovery of metal values from cermet |
| 04/21/2010 | CN101696471A Plant metallurgical method for recovering gold from gold tailings |
| 04/21/2010 | CN101696469A Method for separating multi-element alloy of lead, bismuth, gold, silver and copper |
| 04/15/2010 | WO2010041525A1 Composition for collecting metal component |
| 04/08/2010 | WO2010037169A1 Process for extraction of mined material |
| 04/06/2010 | US7691347 Silica removal from pregnant leach solutions |
| 04/06/2010 | CA2620644C Method for thiosulfate leaching of precious metal-containing materials |
| 04/06/2010 | CA2407605C Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 04/01/2010 | WO2010036144A1 Method for processing mineral raw material |
| 04/01/2010 | WO2010036143A1 Method for producing a bulk concentrate |
| 04/01/2010 | WO2010036142A1 Method for the recovery of noble metals |
| 04/01/2010 | US20100080744 Process for isolating metallic ruthenium or ruthenium compounds from ruthenium-containing solids |
| 04/01/2010 | CA2739662A1 Method for processing mineral raw material |
| 04/01/2010 | CA2739660A1 Method for producing a bulk concentrate |
| 03/31/2010 | EP2169085A1 Method of separating rhodium from platinum and/or palladium |
| 03/24/2010 | EP2007513B1 Preparation of stable silver colloids |
| 03/24/2010 | CN100595297C Gold extraction process with low pollution and high recovery for refractory gold concentrate |
| 03/23/2010 | US7682420 Method for leaching gold |
| 03/23/2010 | CA2449467C Method for thiosulfate leaching of precious metal-containing materials |
| 03/23/2010 | CA2386614C The elution of gold from anion exchange resins |
| 03/17/2010 | CN101671779A Gold mining method by using plant |
| 03/17/2010 | CN101671777A Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 03/16/2010 | US7678279 Metal compound removal |
| 03/11/2010 | US20100059909 Apparatus for Recycling Noble Metals |
| 03/10/2010 | EP2160480A1 Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 03/10/2010 | CN100593435C Method for recovering catalyst material, catalyst material recovered by said recovering method, method for recovering substrate, substrate recovered by said recovering method |
| 03/04/2010 | WO2010024150A1 Process for producing powder mixture comprising noble-metal powder and oxide powder and powder mixture comprising noble-metal powder and oxide powder |
| 03/04/2010 | US20100055011 Method for recovering ruthenium |
| 03/03/2010 | CN101660057A Wet method gold extraction process |