| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 01/16/2014 | WO2014009928A1 Hydrometallurgical treatment process for extraction of metals from concentrates |
| 01/15/2014 | EP2684969A1 Method for recovering platinum group metals |
| 01/15/2014 | EP2683840A1 Gold and silver extraction technology |
| 01/15/2014 | CN203393208U Ozone oxidation reactor |
| 01/15/2014 | CN203393206U Circular copper removal treatment device for copper anode slime |
| 01/15/2014 | CN103509953A Method for pre-treating high-impurity copper anode slime rich in noble metals |
| 01/15/2014 | CN103509951A Technology for extracting gold and silver from chips and manifold blocks of waste circuit boards |
| 01/15/2014 | CN103509947A Solvent extraction separation method for extracting and separating precious metal from hydrochloric acid solution |
| 01/15/2014 | CN102925699B Method for recovering rhodium from dead catalysts containing rhodium of hydroformylation reaction through treatment of hydrogen peroxide |
| 01/15/2014 | CN102758080B Method for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral |
| 01/15/2014 | CN102732729B Method for removing nickel and copper from high nickel copper anode mud |
| 01/08/2014 | CN103502484A Method for recovering platinum group metals from industrial waste containing platinum group metals |
| 01/08/2014 | CN103498056A Rhodium catalyst recycling method |
| 01/08/2014 | CN103498053A Method for separating base metals and noble metals in copper anode slime |
| 01/08/2014 | CN103498052A Method for efficiently enriching rare precious metals from complex low-grade heat filter residues |
| 01/08/2014 | CN102660675B Cyanide leaching device for gold ore |
| 01/03/2014 | CA2798302A1 Process for recovering valuable metals from precious metal smelting slag |
| 01/01/2014 | CN203373409U Special adsorption tower for thick pregnant solution |
| 01/01/2014 | CN103492592A Refining of platinum group metals concentrates |
| 01/01/2014 | CN103484687A Platinum refining technology |
| 01/01/2014 | CN103484670A Process for comprehensively recovering valuable metal from floatation silver concentrates of zinc hydrometallurgy system |
| 01/01/2014 | CN102676822B Burning-free non-cyaniding method for treating waste printed circuit board |
| 12/31/2013 | US8618019 Method for producing platinum nanoparticles |
| 12/27/2013 | WO2013191269A1 Activated carbon for noble metal adsorption, noble metal adsorption filter, and method for recovering noble metals |
| 12/25/2013 | EP2677047A1 Method for collection of ruthenium or ruthenium compound |
| 12/25/2013 | CN203360531U Vacuum distillation furnace used for zinc desilverization |
| 12/25/2013 | CN203360528U Leaching tank equipment |
| 12/25/2013 | CN103476957A Process for providing noble metal-containing mixtures for recovering noble metals |
| 12/25/2013 | CN103476956A Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| 12/25/2013 | CN103468969A Method for recycling silver and gold from waste brick of smelting furnace liner |
| 12/25/2013 | CN103468968A Method for extracting platinum and rhodium in platinum and rhodium mixed liquid |
| 12/25/2013 | CN103468967A Extraction method of platinum in high-concentration platinum solution |
| 12/25/2013 | CN103468956A Method for recycling multiple elements in acid mud generated in acid making through gold smelting |
| 12/25/2013 | CN103468954A Method for recycling valuable metals by smelting zinc kiln slag, leaching slag and lead slag |
| 12/25/2013 | CN103468947A Hydrometallurgical method for separating and extracting Mn, Fe, Pb and Ag from silver-manganese ore |
| 12/24/2013 | US8613791 Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
| 12/24/2013 | US8613788 Increasing the strength of iridium, rhodium, and alloys thereof |
| 12/18/2013 | CN103459622A Extraction of gold |
| 12/18/2013 | CN103451435A Method for recovering metal silver from waste in silver pulp screen printing process |
| 12/18/2013 | CN103451433A Method for extracting precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN103451432A Method for extracting lead and precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN103451431A Method for extracting arsenic and precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN102828042B Method for extracting silver from silver-containing crude tin alloy |
| 12/18/2013 | CN102758081B Method for microwave plasma roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral |
| 12/18/2013 | CN102758079B Energy-saving optimizing technology for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral |
| 12/11/2013 | EP2670871A1 Refining of platinum group metals concentrates |
| 12/11/2013 | CN103436711A Method for enriching gold in gold cyanide sludge |
| 12/11/2013 | CN103436706A Method for processing low-grade waste zinc slag to recover zinc, silver, lead and indium |
| 12/11/2013 | CN103436701A Method for recovering metals from waste CPUs (central processing units) |
| 12/11/2013 | CN102560140B Method for recycling palladium from organic waste liquid |
| 12/05/2013 | WO2013180785A2 Method for recycling nuclear control rods and recycled control rod section |
| 12/04/2013 | CN203323138U Incinerator recycling precious metals from carbon carrier catalyst containing precious metals |
| 12/04/2013 | CN203320083U Rhodium refining airtight extraction equipment |
| 12/04/2013 | CN203320077U Dissolving furnace for difficulty-dissolved rhodium, iridium and ruthenium alkalis |
| 12/04/2013 | CN103429769A Method for recovering platinum group metals |
| 12/04/2013 | CN103421956A Technology for recycling platinum and palladium from acid solution containing low concentration of platinum family precious metals by adopting reducing precipitation method |
| 12/04/2013 | CN103421955A Zinc leaching slag treatment method |
| 12/04/2013 | CN103421954A Recovery method of waste platinium-rhodium alloy in glass channel |
| 12/04/2013 | CN103421702A Bacteria Lysinibacillus sp. for adsorbing gold and antimony |
| 12/04/2013 | CN102703710B Resource treatment method for extracting gold by means of waste plastic-packaged IC card plates |
| 12/03/2013 | US8597399 Method for thiosulfate leaching of precious metal-containing materials |
| 12/03/2013 | CA2699415C Process for mercury control during pressure oxidation |
| 11/27/2013 | EP2666876A1 Method for recovering pgm |
| 11/27/2013 | CN203307397U Casting hopper for intermediate frequency noble metal melting furnace |
| 11/27/2013 | CN203303691U Novel environment-friendly extraction degolding plant |
| 11/27/2013 | CN103409644A Beneficiation reagent, synthesis method and method for comprehensively utilizing generated waste gases |
| 11/27/2013 | CN103409643A Method for gold leaching of skarn gold ore |
| 11/27/2013 | CN103409635A Technology for enrichment of valuable metals in tin anode slurry |
| 11/27/2013 | CN103409632A Method for comprehensively recovering gold mud wet technology tail gas |
| 11/27/2013 | CN103409631A Method for recovering precious metals from waste mobile phones |
| 11/27/2013 | CN103409623A Method for reducing consumption of thiosulfate in gold leaching system |
| 11/27/2013 | CN103409622A Method for individually processing high-iron zinc sulfide concentrate |
| 11/27/2013 | CN102747229B Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 11/27/2013 | CN102392141B Method for separating tellurium from precious metals |
| 11/21/2013 | WO2013171861A1 Extraction solvent for extracting metallic elements, method for producing same, and method for recovering metallic elements |
| 11/20/2013 | CN203295585U Precious-metals recovery incineration equipment and commodity shelf thereof |
| 11/20/2013 | CN103397197A Method for extracting gold from gold-containing noble liquid cyanide solution |
| 11/20/2013 | CN103397191A Method for comprehensively efficiently processing lead anode slime by using top-blown converter |
| 11/20/2013 | CN103397189A Method for recovering silver or other metals from silver-containing wastes |
| 11/20/2013 | CN103397186A Regenerating method and process for recycling rare precious metals from electronic wastes |
| 11/20/2013 | CN102994772B Method for recovering silver from silver-contained waste material |
| 11/19/2013 | US8585798 Method for recovering metal from ore |
| 11/14/2013 | WO2013167714A1 Gold recovery |
| 11/13/2013 | EP2662464A1 Gold recovery |
| 11/13/2013 | CN203284446U System for extracting gold from golden concentrate by cyanidation |
| 11/13/2013 | CN203284445U Zone melting apparatus for purifying platinum and rhodium noble metals |
| 11/13/2013 | CN203281087U Three-layer thickening washing machine |
| 11/13/2013 | CN103388080A Method for recovering and separating platinum and palladium from palladium-based adsorption net |
| 11/13/2013 | CN103388077A Comprehensive recycling method of platinum-rhenium containing reformed spent catalyst |
| 11/12/2013 | US8580212 Process for preparing trichloroammineplatinate salt and the products obtained therein |
| 11/12/2013 | CA2521686C Stabilized silver nanoparticles and their use |
| 11/07/2013 | WO2012119174A3 Metal separation method |
| 11/07/2013 | US20130291684 Process and plant for treating ore concentrate particles containing valuable metal |
| 11/06/2013 | EP2659964A1 Method for collecting precious metals from solution containing precious metal ions, extractant or adsorbent used therefor, and back extractant or desorbent |
| 11/06/2013 | CN102925713B Method for recovering rhodium from rhodium-containing waste catalyst in hydroformylation through sulfur |
| 11/06/2013 | CN102618730B Process for separating materials containing indium, lead, silver, copper and bismuth |
| 10/31/2013 | WO2013162118A1 Method for concentrating and recovering noble metals from printed circuit boards of discarded mobile phones and catalysts of discarded cars using discarded nonferrous slag |
| 10/31/2013 | DE102013007194A1 Verfahren zur Herstellung von Silber-Nanodrähten mit hohem Seitenverhältnis A process for the production of silver nanowires with high aspect ratio |
| 10/30/2013 | CN203256315U Cyanide leaching tank |
| 10/30/2013 | CN103380219A Method for collection of ruthenium or ruthenium compound |