| Patents for C22B 11 - Obtaining noble metals (5,080) |
|---|
| 08/01/2012 | CN102614836A Method for adsorbing and recovering precious metal palladium by persimmon tannin-containing metal adsorbent |
| 08/01/2012 | CN102614835A Persimmon tannin-containing metal adsorbent and preparation method thereof |
| 07/26/2012 | WO2012099009A1 Method for recovering pgm |
| 07/26/2012 | WO2012071342A3 Alkaline and acid pressure oxidation of precious metal-containing materials |
| 07/26/2012 | CA2825122A1 Method of recovering pgm |
| 07/25/2012 | EP1931807B1 Method for processing nickel bearing raw material in chloride-based leaching |
| 07/25/2012 | CN102134651B Heap leaching drainage system for large-scale production of low-grade gold oxide ores |
| 07/25/2012 | CN102031383B Wet process for lead-silver residues |
| 07/25/2012 | CN101985691B Method for preparing high-purity gold |
| 07/25/2012 | CN101935754B Method for treating lead-containing high electrum concentrate |
| 07/19/2012 | US20120183433 Co-current and counter current resin-in-leach in gold leaching processes |
| 07/18/2012 | CN202337815U 废钯炭催化剂金属钯回收装置 Waste palladium-carbon catalyst metal palladium recovery |
| 07/18/2012 | CN102597277A Ionic liquid solvents of perhalide type for metals and metal compounds |
| 07/18/2012 | CN102586618A Process of smelting iron pyrite |
| 07/18/2012 | CN102586617A Method for recovering gold from iodine-potassium iodide leachate |
| 07/18/2012 | CN102586615A Method for efficiently enriching valued metals from complicated sulfur- and lead-containing waste residue |
| 07/18/2012 | CN102586607A Method for extracting platinum, rhodium and palladium from failed platinum alloy gauze |
| 07/18/2012 | CN102586604A Technology for wet-processing anode mud containing arsenic and lead |
| 07/18/2012 | CN102586599A Method for recovering valued metals from zinc anode sludge |
| 07/12/2012 | US20120175307 Multi-layered macromolecules and methods for their use |
| 07/12/2012 | US20120174712 Metal Abstraction Peptide (MAP) Tag and Associated Methods |
| 07/11/2012 | CN102575316A Separation of fine particle precious metals from gangue materials through application of diluted solution of a silicon chemical |
| 07/11/2012 | CN102574099A Palladium ion adsorbent and method for separating and recovering palladium using same |
| 07/11/2012 | CN102560142A Method for eliminating the impact of impurities in the ore pulp on cyanide leaching of gold |
| 07/11/2012 | CN102560141A Full-wet method for producing high-grade silver product |
| 07/11/2012 | CN102560140A Method for recycling palladium from organic waste liquid |
| 07/11/2012 | CN102560139A Quinolinazo reagent and application thereof in palladium solid phase extraction |
| 07/11/2012 | CN102560138A Pretreatment method of refractory gold ore |
| 07/11/2012 | CN102560137A Refining process of alloyed gold |
| 07/11/2012 | CN102560129A Method for recovering precious metal from waste aluminum-based catalyst and preparing high-purity alumina |
| 07/11/2012 | CN102560128A Method for recovering ruthenium from waste aluminum oxide loaded ruthenium catalyst |
| 07/11/2012 | CN102560127A Method for preparing ultrafine tantalum carbide from tantalum capacitor scraps |
| 07/11/2012 | CN102560126A Method for extracting gold and/or silver from sulfuric acid slag |
| 07/11/2012 | CN102560125A Method for comprehensively utilizing high-chlorine replacement solution containing tellurium, platinum and palladium |
| 07/11/2012 | CN102560120A Method for extracting gold from electronic waste leaching solution by using garlic wastes |
| 07/11/2012 | CN102560098A Purpose of by-product ammonium thiosulfate generated in steel-making waste water treatment process as complexing agent for leaching silver and its application method |
| 07/11/2012 | CN102560084A Arsenic removal process containing post-combustion technology |
| 07/11/2012 | CN102553706A Process for recycling gold from high-arsenic and high-sulfur difficultly treated gold ore |
| 07/05/2012 | WO2012091125A1 Method for collecting precious metals from solution containing precious metal ions, extractant or adsorbent used therefor, and back extractant or desorbent |
| 07/04/2012 | EP2222883B1 Synthesis of au, pd, pt or ag nano- or microcrystals via reduction of metal salts by cellulose in the ionic liquid 1-butyl-3-methyl imidazolium chloride |
| 07/04/2012 | CN102549177A Smelting method |
| 07/04/2012 | CN102534244A Method for concentrating precious metal from low-grade precious metal material |
| 07/04/2012 | CN102534237A Environment-friendly treatment method for aluminum slag from tin smelting |
| 07/04/2012 | CN102534226A Method for extracting precious metal from spent automobile catalyst by concentration smelting-wet separation process |
| 07/04/2012 | CN102534211A Method for selectively adsorbing and extracting gold by using mangosteen slag |
| 07/04/2012 | CN102534204A Thiosulfate gold extraction method taking Fe (III) cyanide salts as oxidants |
| 07/04/2012 | CN102534195A Gold extraction process method for refractory gold ore |
| 07/04/2012 | CN102532589A Comprehensive recycling method of waste and old compact discs |
| 07/04/2012 | CN101942570B Slag returning method for reducing gold content of smelting slag |
| 07/04/2012 | CN101942566B Method for reclaiming gold and silver in tailings after roasting-cyaniding of gold concentrate |
| 07/04/2012 | CN101760629B Thiosulfate gold extracting method taking triethylene tetramine as additive |
| 07/03/2012 | CA2499507C Method for removal of silver from a copper chloride solution |
| 06/28/2012 | US20120160060 Use of bimodal carbon distribution in compacts for producing metallic iron nodules |
| 06/27/2012 | EP2468397A1 Palladium ion adsorbent and method for separating and recovering palladium using same |
| 06/27/2012 | CN102517454A Method for recycling Au (III) in industrial waste water by chlorella-microfiltration membrane coupling technique |
| 06/27/2012 | CN102517453A Method for recycling platinum from waste platinum crucibles |
| 06/27/2012 | CN102517452A Method for recovering gold from gold-containing tail liquid produced by gold-loaded carbon desorption and electrodeposition technology |
| 06/27/2012 | CN102517449A Comprehensive recycling technique of valuable elements in smelting soot |
| 06/27/2012 | CN102513062A Selective complexing agent loaded graphitized carbon black and its application in palladium extraction |
| 06/27/2012 | CN101851703B Device for recovering noble metals |
| 06/26/2012 | US8206682 Method for recovering catalytic elements from fuel cell membrane electrode assemblies |
| 06/26/2012 | US8206595 Method of recovering silver using anion-exchange resin |
| 06/21/2012 | WO2012080558A1 Process and plant for treating ore concentrate particles containing valuable metal |
| 06/21/2012 | WO2012079283A1 Mineral-dressing agent for noble metal, preparation method and application thereof |
| 06/21/2012 | WO2012079129A1 Extraction of gold |
| 06/21/2012 | CA2819207A1 Process and plant for treating ore concentrate particles containing valuable metal |
| 06/20/2012 | CN102505079A Method for pretreating gold ore concentrate prior to cyanide leaching |
| 06/20/2012 | CN102505072A Thiorhodanine reagent and application thereof in solid-phase extraction of palladium |
| 06/20/2012 | CN102505069A Method for recovering lost gold-loaded carbon from tailings obtained in carbon leaching gold extraction process |
| 06/19/2012 | CA2464751C Improvements in materials handling and sampling |
| 06/14/2012 | WO2012078768A1 Continuous washing process and apparatus thereof |
| 06/14/2012 | WO2012078283A2 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | WO2012078275A2 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | WO2012078274A2 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | WO2012076981A1 Co-current and counter current resin-in-leach in gold leaching processes |
| 06/14/2012 | US20120148443 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | US20120148442 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | US20120148438 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | US20120144959 Smelting method |
| 06/14/2012 | CA2820700A1 Co-current and counter current resin-in-leach in gold leaching processes |
| 06/13/2012 | CN102492854A Method for raising leaching rate of silver cyanide |
| 06/13/2012 | CN102492853A P-NBR type reagent and application of p-NBR type reagent in solid-phase extraction of platinum |
| 06/13/2012 | CN102492845A Method for digesting spent rhodium catalyst in carbonyl group synthetic reaction |
| 06/07/2012 | WO2012074255A2 Apparatus for recovering precious metals and components from pcb substrate and recovering method using same |
| 06/07/2012 | US20120137831 Method and apparatus for leaching metal from mining ore |
| 06/06/2012 | CN101831553B Method for green recovery of waste circuit boards by cyanide-free full-wet whole set process |
| 05/31/2012 | WO2012071342A2 Alkaline and acid pressure oxidation of precious metal-containing materials |
| 05/30/2012 | CN202246790U Device for desorbing gold in resin |
| 05/30/2012 | CN101857921B Device for recovering noble metals |
| 05/30/2012 | CN101757807B Vertical filter press and gold mine cyanation leaching washing process using same |
| 05/29/2012 | CA2693271C Precious metal recovery using thiocyanate lixiviant |
| 05/24/2012 | US20120128528 Alkaline and acid pressure oxidation of precious metal-containing materials |
| 05/23/2012 | CN202226897U Platinum recycling device |
| 05/23/2012 | CN102471825A 通过加入二硫代草酰胺配体回收贵金属的水性浸提法 By adding dithiooxamide ligand aqueous extraction of precious metals recovery |
| 05/23/2012 | CN102465208A 从含银废液中回收银的方法 Recovery of silver from silver-containing waste methods |
| 05/23/2012 | CN102465207A 从含银废液中回收银的方法 Recovery of silver from silver-containing waste methods |
| 05/23/2012 | CN102465205A Method for recycling gold from surface coating of scanning electron microscope sample |
| 05/23/2012 | CN102071323B Method for producing high-purity gold by utilizing electroplating waste liquid containing gold |
| 05/23/2012 | CN101928840B Method for recovering gold and silver from waste circuit boards |
| 05/23/2012 | CN101899570B Preoxidation treating method for leaching arsenic golden ores by using drum type reactor organisms |