| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 02/16/2011 | CN201746582U Microwave pressurization dissolving device for indissolvable rare precious metal materials |
| 02/16/2011 | CN1929932B Use of LCD and its using method |
| 02/16/2011 | CN101974765A Comprehensive method for separating stibium from materials containing stibium, tin and lead |
| 02/16/2011 | CN101629241B Method for extracting noble metals from circuit boards by using lead, tin and alloys of lead and tin as capturing agents |
| 02/09/2011 | EP2281636A1 Method for producing a bulk concentrate |
| 02/09/2011 | CN101319278B Quick dissolution method for high-purity rhodium material |
| 02/03/2011 | WO2008006194A3 Purification of pgm species from mixtures thereof |
| 02/02/2011 | CN201729858U Silver recovery device |
| 02/02/2011 | CN101962718A Liquid film for extracting gold from alkaline solution |
| 02/02/2011 | CN101705365B Production method for oxygen pressure leaching platinum group metals from platinum group metal waste materials containing sulphur |
| 02/02/2011 | CN101560608B Nitrogen-free wet-process refining method for gold-bearing materials |
| 01/27/2011 | WO2011010289A2 Leaching process for recovery of precious metals |
| 01/27/2011 | US20110020170 Metal nanoparticles stabilized with derivatized polyethyleneimines or polyvinylamines |
| 01/27/2011 | DE112007001934B4 Kavitationsverfahren für Produkte aus Vorläuferholageniden Cavitation for products from Vorläuferholageniden |
| 01/27/2011 | CA2768726A1 Leaching process for recovery of precious metals |
| 01/26/2011 | CN101956080A Method for quickly recovering metallic silver from silver ion-containing waste liquid |
| 01/26/2011 | CN101956079A Rare and noble metal recycling device |
| 01/26/2011 | CN101956075A Method for recovering metal from AgSnO material |
| 01/26/2011 | CN101956073A Process for recycling gold and silver refined waste liquid |
| 01/26/2011 | CN101370949B Method for extracting precious metals |
| 01/26/2011 | CN101338370B Gold-extracting process by thiourea carbon-in-pulp method |
| 01/20/2011 | WO2011008825A1 Separation of fine particle precious metals from gangue materials through application of diluted solution of a silicon chemical |
| 01/20/2011 | US20110011216 Process for recovering metals from resins |
| 01/20/2011 | US20110011215 Rare metal extractant |
| 01/20/2011 | US20110011214 Separation of fine particle precious metals from clays and other gangue materials through application of diluted solution of a silicon chemical |
| 01/20/2011 | US20110011210 Process for making glycol ether compositions useful for metal recovery |
| 01/20/2011 | CA2768163A1 Separation of fine particle precious metals from gangue materials through application of diluted solution of a silicon chemical |
| 01/19/2011 | CN101948954A Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 01/19/2011 | CN101525694B Separation process for material containing lead, antimony, copper, bismuth and silver |
| 01/19/2011 | CN101012511B Method for eliminating calcium ion effect in gold ore bulk leaching by using descaling agent |
| 01/18/2011 | CA2571557C Processing of acid-consuming mineral materials involving treatment with acidic biooxidation effluent |
| 01/12/2011 | EP2271781A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals |
| 01/12/2011 | EP1412545B1 Method for improving metals recovery using high temperature pressure leaching |
| 01/12/2011 | CN101942570A Slag returning method for reducing gold content of smelting slag |
| 01/12/2011 | CN101942568A Method for recovering noble metal from waste computer and fittings thereof |
| 01/12/2011 | CN101942566A Method for reclaiming gold and silver in tailings after roasting-cyaniding of gold concentrate |
| 01/12/2011 | CN101942559A Gold extracting process through low-temperature roasting |
| 01/12/2011 | CN101363081B Nontoxic process for extraction gold from gold-bearing tailing |
| 01/12/2011 | CN101331240B Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts |
| 01/11/2011 | CA2390361C Recovery of metals from ore |
| 01/06/2011 | WO2011000051A1 Smelting method |
| 01/06/2011 | US20110001279 Apparatus for recovering platinum group elements |
| 01/06/2011 | CA2766812A1 Smelting method |
| 01/05/2011 | CN201695069U Device for fast fusing gold by chloroazotic acid |
| 01/05/2011 | CN101939397A Rare metal extracting agent |
| 01/05/2011 | CN101935764A Process for extracting gangue wrapped gold |
| 01/05/2011 | CN101935754A Method for treating lead-containing high electrum concentrate |
| 01/04/2011 | US7863209 Methods for recycling catalyst compositions for aromatic ring halogenation |
| 01/04/2011 | CA2505740C Method for thiosulfate leaching of precious metal-containing materials |
| 01/04/2011 | CA2504934C Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates |
| 01/04/2011 | CA2503016C The process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof |
| 01/04/2011 | CA2425888C Chromatographic method of separating ruthenium from platinum group metals |
| 01/04/2011 | CA2335330C Method and apparatus for the beneficiation of ores |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | WO2010151652A1 Carbon retention screen with variable discharge head |
| 12/29/2010 | EP2265372A2 Recovery of rhenium from a rhenium-containing titania catalyst |
| 12/29/2010 | CN101932740A Process for the recovery of precious metals from used and/or defective catalytic carriers |
| 12/29/2010 | CN101928840A Method for recovering gold and silver from waste circuit boards |
| 12/29/2010 | CN101928834A Method for recovering rare precious metals from solution |
| 12/29/2010 | CN101928825A Gold wet-process purification method |
| 12/29/2010 | CN101514399B Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 12/29/2010 | CA2766376A1 Carbon retention screen with variable discharge head |
| 12/28/2010 | US7858056 Recovering metals from sulfidic materials |
| 12/23/2010 | US20100319490 Methods for Improving the Recovery of Metal Leaching Agents |
| 12/22/2010 | EP2264197A1 Metal compound removal |
| 12/22/2010 | EP2262916A1 Selective gold extraction from copper anode slime with an alcohol |
| 12/22/2010 | CN201678714U Vacuum leaching and cleaning device for gold and silver refining tank |
| 12/22/2010 | CN101921913A Biological pre-oxidation reactor |
| 12/16/2010 | US20100314242 Method for Recovering Gold, Silver, Copper and Iron from Plasma-Caused Slag Containing Valuable Metals |
| 12/15/2010 | CN101914686A Method for floating and recycling gold and silver by lead and silver slag ultrasonic treatment in zinc electrolysis plant |
| 12/15/2010 | CN101914681A Pollution-free method for treating copper, lead and silver-containing material |
| 12/14/2010 | US7850759 disproportionation of ore minerals into gold or silver; using microwave energy to comminute the mineral after which the noble metals is dissolved in acid and filtered off, and precipitating the metal from acid solution; due to different thermal expansion of each metal |
| 12/09/2010 | WO2010140701A1 A metal recovery method using protonemata of moss plants |
| 12/09/2010 | US20100307977 Removal of cyanide from aqueous streams |
| 12/08/2010 | CN101909771A Removal of cyanide from aqueous streams |
| 12/08/2010 | CN101487086B Method for separating lead and platinum by zincing |
| 12/08/2010 | CN101314818B Golden shifting process of biological oxidation-torrefaction-cyanidation |
| 12/08/2010 | CN101310899B Method for preparing silver nano-wire in large batch |
| 12/07/2010 | US7846234 chlorinating roasting of the collective concentrate produced during enrichment of the material with residual chlorides content of 7-13%, or natural concentrate with up to 15% chlorides content, the cinder is leached by an aqua-regia solution, the precious metals are recovered from the pulp via sorption |
| 12/02/2010 | WO2010138094A1 Method and device for extracting free gold from placer deposits and ores |
| 12/01/2010 | EP2255940A1 Method and device using pyrolysis for recycling used printed circuit board |
| 12/01/2010 | CN101899570A Preoxidation treating method for leaching arsenic golden ores by using drum type reactor organisms |
| 12/01/2010 | CN101538656B Method for extracting gold from alkaline cyanide solution |
| 12/01/2010 | CN101376923B Method for recycling noble metal from spent catalyst |
| 12/01/2010 | CN101338439B Electrochemical separation and recovery method for gold and silver in copper matte |
| 11/30/2010 | CA2414524C Assaying method |
| 11/25/2010 | US20100296963 Crystal structure of a plasma membrane proton pump |
| 11/24/2010 | CN101892385A Tank-leaching and pressure method for hydrometallurgy |
| 11/24/2010 | CN101275184B Method for recovering rhodium |
| 11/18/2010 | WO2010130388A1 Recovery of precious metals from spent homogeneous catalysts |
| 11/18/2010 | US20100290962 Functionalised materials and uses thereof |
| 11/18/2010 | US20100288079 Method for Recovering Catalytic Elements from Fuel Cell Membrane Electrode Assemblies |
| 11/18/2010 | CA2760956A1 Recovery of precious metals from spent homogeneous catalysts |
| 11/16/2010 | CA2235214C Extraction of valuable metals from sulphide minerals |
| 11/10/2010 | CN101880777A Method for removing bismuth and antimony in electrolytic silver powder by utilizing clay-graphite crucible for smelting |
| 11/10/2010 | CN101880769A Solid-liquid separation and notable metal recovery process in chemical industry |
| 11/10/2010 | CN101497944B Process for recycling lead and silver by lead silver slag pyrogenic process |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 11/03/2010 | EP2246405A1 Rare metal extracting agent |
| 11/03/2010 | EP2245200A1 Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning |