| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 03/02/2010 | US7670575 Method and device for treating anode slime |
| 02/25/2010 | WO2010021341A1 Method for recovering noble metal |
| 02/25/2010 | WO2009149241A3 Method and apparatus for recovering catalytic elements from fuel cell membrane electrode assemblies |
| 02/25/2010 | US20100043598 Purification of pgm species from mixtures thereof |
| 02/24/2010 | EP2157198A1 Method for generating metallic ruthenium or ruthenium compounds from solids containing ruthenium |
| 02/23/2010 | CA2314581C Improvements in refining |
| 02/18/2010 | WO2010019064A1 Establishing / contributions platinum metals from ore of copper |
| 02/18/2010 | WO2010019062A1 The procedure for obtaining metal concentrate from ore complex |
| 02/17/2010 | EP2152632A1 Method for the recycling and purification of an inorganic metallic precursor |
| 02/10/2010 | EP2150497A2 Method for the recovery of ruthenium from a supported catalyst material containing ruthenium |
| 02/10/2010 | CN101643856A Method for extracting gold through cyanidation leaching under rich in oxygen |
| 02/09/2010 | US7658995 Nickel powder comprising sulfur and carbon, and production method therefor |
| 02/09/2010 | US7658782 Lime-based additive for steel smelting and the preparation method thereof |
| 02/07/2010 | CA2674522A1 Silver nanoparticle process |
| 02/04/2010 | WO2010014637A1 Recycling batteries having basic electrolytes |
| 02/04/2010 | WO2010014500A1 Synthesis of ptco nanoparticles |
| 02/04/2010 | US20100025259 Precious Metal Recovery from Solution |
| 02/04/2010 | US20100024603 Reduction of lime consumption when treating refractory gold ores or concentrates |
| 02/03/2010 | CN101638727A Method for recovering ruthenium in activated carbon supported ruthenium catalyst |
| 01/28/2010 | US20100018351 Recycling of solids in oxidative pressure leaching of metals using halide ions |
| 01/26/2010 | CA2422477C Recovery of metals by incineration of metal containing basic ion exchange resin |
| 01/20/2010 | CN100582261C Method and device for reclaiming platinum-silver-iodine form platinum-containing silver iodide slag |
| 01/19/2010 | US7648557 Process for making highly dispersible spherical silver powder particles and silver particles formed therefrom |
| 01/14/2010 | WO2010003693A1 Process and plant for producing calcine products |
| 01/14/2010 | CA2728781A1 Process and plant for producing calcine products |
| 01/13/2010 | CN100580109C Method for extracting gold from waste circuit boards |
| 01/12/2010 | US7645320 Extraction process |
| 01/12/2010 | CA2617415C Method for thiosulfate leaching of precious metal-containing materials |
| 01/12/2010 | CA2409378C Method for thiosulfate leaching of precious metal-containing materials |
| 01/05/2010 | US7641714 Method for recovering metal values from refractory sulfide ore |
| 12/29/2009 | CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 12/24/2009 | US20090315232 Dissolution Apparatus for Noble Metals |
| 12/23/2009 | CN201367460Y Reclaimer used for extracting noble silver from silver-containing wastes |
| 12/23/2009 | CN201367459Y Device for recycling gold from polishing powder of gold jewelry |
| 12/23/2009 | CN201367456Y Bottom blowing converter for extracting noble metal from lead anode slime |
| 12/23/2009 | CN101610865A Process for manufacture of nanometric, monodisperse and stable metallic silver and product obtained therefrom |
| 12/23/2009 | CN101608263A Process for enriching precious metal on abandoned printed circuit board and synthesizing Cu2O/TiO2 nano-photocatalyst simultaneously |
| 12/17/2009 | WO2009149590A1 Atmospherically catalyzing and oxidizing method of refractory gold concentrate with high arsenic and high sulfur |
| 12/17/2009 | CA2722494A1 A method for catalytic oxidation of refractory gold concentrate with high contents of sulfur and arsenic under ordinary pressure |
| 12/16/2009 | CN201364024Y Precious metal smelting utensil |
| 12/16/2009 | CN101603130A New method for rapidly recycling silver from waste fixing solution |
| 12/16/2009 | CN101603123A Method for solid-phase extraction of gold from alkaline cyanide solution through macroporous adsorption resin |
| 12/15/2009 | CA2482340C Dental prosthesis method and alloys |
| 12/10/2009 | WO2009149241A2 Method and apparatus for recovering catalytic elements from fuel cell membrane electrode assemblies |
| 12/10/2009 | US20090301260 Efficient process for previous metal recovery from fuel cell membrane electrode assemblies |
| 12/09/2009 | CN101597769A Normal temperature and pressure quick desorption electrolysis method of gold loaded carbon |
| 12/09/2009 | CN101597690A Method for recycling multiple precious metals from anode mud |
| 12/09/2009 | CN100567528C Method for reclaiming precious metal palladium from waste palladium-carbon catalyst |
| 12/03/2009 | US20090293680 Processing of Metal Values from Concentrates |
| 12/03/2009 | US20090293679 Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
| 11/26/2009 | US20090288521 Precious metal recovery using thiocyanate lixiviant |
| 11/25/2009 | CN101584979A Polymer reversed phase bonding extraction column and method for extracting gold from alkaline cyanide solution using the column |
| 11/25/2009 | CN100562591C Technique for smelting ferroferrite with sponge iron |
| 11/25/2009 | CN100562590C Rapid nontoxic gold extracting method |
| 11/24/2009 | CA2352770C High temperature heap bioleaching process |
| 11/18/2009 | CN101583729A Method for recovering ruthenium |
| 11/18/2009 | CN100560756C Technique for extracting silver from copper anode mud solution after pretreatment |
| 11/12/2009 | WO2009135665A1 Recovery of rhenium |
| 11/12/2009 | US20090277303 Separation and recovery of precious metals using polymer materials |
| 11/11/2009 | CN101575674A Method for recovering platinum metal from melting trapped material |
| 11/11/2009 | CN100558917C Method for the recovery of gold |
| 11/10/2009 | US7615199 Method for the recovery of valuable metals and arsenic from a solution |
| 11/10/2009 | CA2383817C Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed |
| 11/10/2009 | CA2383816C Recovery of nickel from nickel bearing sulphide minerals by bioleaching |
| 11/10/2009 | CA2383815C Recovery of precious metal from sulphide minerals by bioleaching |
| 11/05/2009 | US20090272227 Metal Extraction Without Cyanide |
| 11/03/2009 | CA2396445C Process for refining silver bullion with gold separation |
| 10/29/2009 | WO2009130345A1 Method for recovering gold using hollow-fibre membranes and dispersion-based back-extraction |
| 10/29/2009 | WO2009130006A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals |
| 10/29/2009 | WO2009111076A3 Recovery of rhenium from a rhenium-containing titania catalyst |
| 10/29/2009 | CA2721235A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals |
| 10/28/2009 | CN100554443C Method of recovering valuable metal in waste lining brick of gold silver smelting furnace |
| 10/21/2009 | CN101560608A Nitrogen-free wet-process refining method for gold-bearing materials |
| 10/21/2009 | CN101560606A Deleading method through vacuum distillation of noble lead materials |
| 10/21/2009 | CN100552062C Gold smelting boiling roasting furnace slurry type feeding producing process and its producing device |
| 10/20/2009 | US7604783 controlling the formation of basic iron sulphate and/or jarosites when pressure oxidizing precious metal-containing sulphide feed materials; 2Fe(SO4)(OH)(s)+H2SO4=Fe2(SO4)3(aq)+2H2O, neutralization with limestone or cao to form Fe/OH/3 and gypsum |
| 10/15/2009 | WO2009072908A3 Gold recovery system and process therefor |
| 10/14/2009 | EP1797208B1 Process for recycling fuel cell components containing precious metals |
| 10/14/2009 | CN100549190C Method of reclaiming platinum from selenium-containing waste liquid using hydrazine |
| 10/13/2009 | US7601200 treating the refining intermediate by leaching in an aqueous sulfite solution, production of silver chloride from the leaching liquor after it is made acidic and purification of the silver chloride, effected in this order, and that high-purity silver can be produced from the high-purity silver chloride |
| 10/08/2009 | WO2009122240A1 Method for the recycling and purification of an inorganic metallic precursor |
| 10/07/2009 | CN101550489A Method for recovering simple substance argentums in cyanide argentums-plating waste water |
| 10/07/2009 | CN101550487A Method for recovering metal platinum from industrial waste |
| 10/07/2009 | CN101550486A Method for separating and recovering gold or silver by inner-coupling liquid membrane |
| 10/06/2009 | US7597863 by employing a sulfur-containing diamide compound as an extractant for Pd among the Pt group metals, to extract Pd within a short time and to achieve a separation from other platinum group metals and base metals; separation and recovery of palladium with high efficiency |
| 10/01/2009 | WO2009120373A2 Metal extraction without cyanide |
| 10/01/2009 | US20090243168 Apparatus for plasma synthesis of rhenium nano and micro powders |
| 10/01/2009 | US20090242231 Silver nanowire, production method thereof, and aqueous dispersion |
| 10/01/2009 | US20090241736 Method for recovering metal from ore |
| 10/01/2009 | US20090241735 Process of leaching gold |
| 10/01/2009 | DE112007002803T5 Verfahren zur Rückgewinnung von Ruthenium Process for the recovery of ruthenium |
| 09/30/2009 | CN101545055A Recovery method of rhodium |
| 09/29/2009 | CA2365853C Sodium cyanide paste composition |
| 09/27/2009 | CA2639165A1 Method for recovering metal from ore |
| 09/23/2009 | EP2103364A1 Process for manufacture of nanometric, monodisperse and stable metallic silver and product obtained therefrom |
| 09/23/2009 | CN101538736A Dendritic golden nanophase material and preparation method thereof |
| 09/23/2009 | CN101538735A Nano or micron-scale gold disk and preparation method thereof |
| 09/23/2009 | CN101538656A Method for extracting gold from alkaline cyanide solution |
| 09/23/2009 | CN101538650A Method for wet-separation of manganese from lead and silver in electrolytic-zinc anode slime |
| 09/22/2009 | CA2412262C Method of extraction of undersize and finest particles of gold from pulp of industrial hydro-washing machines |