| Patents for C22B 11 - Obtaining noble metals (5,080) |
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| 08/14/2007 | US7255798 Recovering catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating the components; especially for Nafion membranes |
| 08/08/2007 | CN101012511A Method for eliminating calcium ion effect in gold ore bulk leaching by using descaling agent |
| 08/02/2007 | WO2006069738A8 Use of non-ionic surfactants in the production of metals |
| 08/01/2007 | EP1812610A1 Extraction process |
| 07/26/2007 | US20070172404 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 |
| 07/26/2007 | US20070169857 Single crystal wire and manufacturing method of the same |
| 07/25/2007 | CN1328398C Method for extracting platinum-palladium and base metal from platinum metal sulphide ore |
| 07/25/2007 | CN101003028A Method for comprehensive utilization silt from rivers with zero discharge |
| 07/19/2007 | WO2007081243A2 Method for extracting precious metals |
| 07/19/2007 | WO2007080963A1 Method for separation and recovery of noble metals |
| 07/19/2007 | WO2007080648A1 Method of separating and recovering noble metal |
| 07/19/2007 | CA2636642A1 A method for recovery of precious metals |
| 07/18/2007 | CN1327011C Selecting processing method for catalyst carrier |
| 07/18/2007 | CN100999785A Process of enriching noble metal from iron refined mineral |
| 07/18/2007 | CN100999784A Process of recovering noble metal from hydroxylating metallurgy slag |
| 07/12/2007 | WO2006039453A3 Silver nanoparticles made in non-aqueous solvent |
| 07/12/2007 | US20070158242 System and method for treating shredder residues and utilizing a produced fiber fraction |
| 07/11/2007 | CN1997761A Recovery of precious metals from waste catalysts |
| 07/05/2007 | WO2007074129A1 Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts |
| 07/04/2007 | CN1324152C Process for treating high arsenic high carbon gold mine |
| 07/04/2007 | CN1323957C Electrosilvering cleaning water comprehensive utilization |
| 06/27/2007 | EP1799872A1 Separation apparatus |
| 06/27/2007 | CN1986851A Two-section roasting production process for recovering Au, Cu, Ag, As and s from As and C containing aurin ore |
| 06/27/2007 | CN1986850A Sulfur slag vacuum volatilizing process for enriching noble metal |
| 06/27/2007 | CN1322952C Indirecting light chemical preparation for gold nanometer material |
| 06/21/2007 | US20070137437 Thiosulfate generation in situ in precious metal recovery |
| 06/20/2007 | EP1797208A1 Process for recycling fuel cell components containing precious metals |
| 06/20/2007 | EP1583848A4 Recovering metals from sulfidic materials |
| 06/20/2007 | CN1322155C Method for separating and recovering Ru from solution containing pt family |
| 06/14/2007 | US20070131058 Process for recovering platinum group metals from ores and concentrates |
| 06/13/2007 | EP1794763A2 Silver microribbon composition and method of production |
| 06/13/2007 | CN1981060A Method and device for treating anode slime |
| 06/13/2007 | CN1978679A Ru and/or chlorination treatment method of Rh |
| 06/13/2007 | CN1978678A Recovery method of rhodium |
| 05/30/2007 | CN1970802A Heap-leaching dressing process for clay type gold mine |
| 05/30/2007 | CN1318620C Spongy platinum deoxidation method and crushing method |
| 05/24/2007 | US20070113707 Dental prosthesis method and alloys |
| 05/24/2007 | DE102005055908A1 Verfahren zur Rettung verdorbener silbergefärbter Gele Process for the recovery of damaged silver stained gels |
| 05/18/2007 | WO2007053947A1 Thiosulfate generation in situ in precious metal recovery |
| 05/18/2007 | CA2629093A1 Thiosulfate generation in situ in precious metal recovery |
| 05/17/2007 | US20070107550 Heap bioleaching and biooxidation of precious metal bearing refractory sulfide ores; improved air and fluid flow within the heap; crushing and separating the ore, forming a heap and a concentrate, biooxidation, hydrometallurgical recovery of gold, silver, platinum, or copper |
| 05/10/2007 | US20070104628 Apparatus and method for recovering rare-earth and noble metals from an article |
| 05/09/2007 | CN1958814A Method for enriching noble metals from noble antimonial alloy |
| 05/03/2007 | US20070098628 Methods and apparatus for processing mixtures of liquids and solids |
| 05/03/2007 | US20070098608 Colloidal metal solution, process for producing the same and paint using the same |
| 05/03/2007 | US20070095169 metallurgy; zinc separation; flash or agitated bath fuming step, to produce an Fe-bearing slag and Zn- and Pb-bearing fumes; recovering Cu and the precious metals |
| 04/26/2007 | WO2007045034A1 Process for recovery of metal values from materials containing arsenic and/or antimony |
| 04/26/2007 | US20070089566 Method for thiosulfate leaching of precious metal-containing materials |
| 04/18/2007 | CN1950524A Method for recovering gold |
| 04/18/2007 | CN1948522A Metho of recovering valuable metal in gold silver smelting furance waste lining brick |
| 04/17/2007 | CA2278043C Method for initiating heap bioleaching of sulfidic ores |
| 04/12/2007 | WO2007039665A1 Method for processing nickel bearing raw material in chloride-based leaching |
| 04/12/2007 | CA2624612A1 Method for processing nickel bearing raw material in chloride-based leaching |
| 04/11/2007 | CN1944694A Gold smelting boiling roasting furnace slurry type feeding producing process and its producing device |
| 04/05/2007 | WO2007036334A2 Method and device for treating materials containing precious metals |
| 04/05/2007 | DE10310699B4 Verfahren zur Feinstraffination von Gold Method for Feinstraffination of gold |
| 04/04/2007 | EP1769094A2 Scavenger supports with amino-functionalised pendant ketoester or ketoamide groups for removing metals from solutions |
| 04/04/2007 | CN1940100A Neutralization method of rh hydrochloric acid solution |
| 04/04/2007 | CN1308471C Method for obtaining cobalt and nickel from ores and ore concentrates |
| 04/04/2007 | CN1308470C Poisonless low cost refining method for noble metals |
| 03/28/2007 | CN1938436A Recovery of metals from oxidised metalliferous materials |
| 03/22/2007 | US20070062335 Method for processing anode sludge |
| 03/21/2007 | CN1932052A Integral gold refining kiln oxidizing roasting process for refractory gold ore |
| 03/21/2007 | CN1932051A Wet gold purifying process |
| 03/21/2007 | CN1306048C A process for the recovery of adsorbed palladium from spent silica |
| 03/15/2007 | WO2007029128A1 Fire assay flux composition for the analysis of pgm and gold containing mineral samples |
| 03/15/2007 | CA2620863A1 Fire assay flux composition for the analysis of pgm and gold containing mineral samples |
| 03/14/2007 | EP1762835A2 Homogenisation method and, if applicable, analysis method for use in the reconditioning of moist reconditioning materials containing precious metal with unknown precious metal content |
| 03/14/2007 | CN1929932A Use of LCD and its using method |
| 03/14/2007 | CN1928133A Method for recovering silver from low silver contained industrial waste water |
| 03/14/2007 | CN1304612C Process for extracting platinum metals from ore containing platinum metal |
| 03/14/2007 | CN1304611C Method for removal of silver from a copper chloride solution |
| 03/14/2007 | CN1304606C Method for extracting gold |
| 03/13/2007 | US7189380 Purification of platinum group anions; using reagents having precisely spaced nitrogen complexing groups |
| 03/13/2007 | CA2349940C Method for treating precious metal bearing minerals |
| 03/09/2007 | CA2556769A1 Method of homogenisation and, optionally, analysis for processing moist noble metal-containing recycling materials with an unknown noble metal content |
| 03/08/2007 | DE102005039999A1 Herstellung reiner Metalle, von Metallgemischen und/oder Metalllegierungen in Form von Nanopartikeln und -strukturen mittels Cellulosefasern Production of pure metals, metal mixtures and / or metal alloys in the form of nanoparticles and structures by means of cellulose fibers |
| 03/07/2007 | CN1924117A Preparation method of two-dimensional plane gold nano single crystal plate |
| 03/07/2007 | CN1924044A Method of extracting and enriching gold (I) from cyaniding gold containing leaching solution |
| 03/07/2007 | CN1924038A Method of leaching gold from gold ore |
| 03/01/2007 | WO2007024211A1 Treatment of reclaim water for use in metals recovery |
| 03/01/2007 | WO2007023002A1 Production of pure metal, metal mixtures and/or metal alloys in the form of nanoparticles and structures by adsorption on cellulose fibres |
| 03/01/2007 | CA2619529A1 Treatment of reclaim water for use in metals recovery |
| 02/28/2007 | EP1333931B1 Installation and method for processing shredder residues and use of a shred fraction so produced |
| 02/22/2007 | WO2007019707A1 Method and apparatus for the recovery of refractory mineral ores |
| 02/22/2007 | US20070039420 During metal recovery from an ore, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or encapsulate the metal value |
| 02/22/2007 | US20070039419 Treatment of reclaim water for use in metals recovery |
| 02/22/2007 | CA2595475A1 Method and apparatus for the recovery of refractory mineral ores |
| 02/21/2007 | CN2871553Y Bio-oxidation pre-treater containing arsenic carbon and gold mineral difficult to be treated |
| 02/14/2007 | CN1912156A Method for extracting gold (I) from enriched alkaline cyanide gold immersing liquid |
| 02/13/2007 | US7175818 Extraction of metals with diquaternary ammonium salts |
| 02/08/2007 | US20070028721 Treatment of base metal concentrate by a two-step bioleaching process |
| 02/06/2007 | US7172738 Liquids/solids reaction vessel configured to contain a mixture of at least one liquid and at least one solid. The vessel includes a closed perimeter wall defined by an effective height, and a bottom connected to the closed perimeter wall to |
| 02/01/2007 | US20070022843 Recovery of platinum group metals |
| 02/01/2007 | US20070022840 Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same |
| 02/01/2007 | DE112005000349T5 Verfahren und Vorrichtung zum Erzeugen von Nanoteilchen aus Silber Method and apparatus for producing nano-particles of silver |
| 01/31/2007 | CN1904094A Method of extracting gold and silver from arsenic containing aurin ore |
| 01/31/2007 | CN1904093A Method of extracting gold tail slag from arsenic containing aurin ore then extracting gold and silver |
| 01/31/2007 | CN1903427A Method for preparing metal ruthenium nano-wire |
| 01/24/2007 | EP1322550B1 Metal bearing membranes |