| Patents for C22B 61 - Obtaining metals not elsewhere provided for in this subclass (484) |
|---|
| 05/31/2012 | US20120132034 Process for producing refined metal or metalloid |
| 05/02/2012 | CN102433439A Method for recovering rhenium from arsenic filter cake |
| 04/24/2012 | CA2507370C Separation process for platinum group elements |
| 02/29/2012 | CN101824555B Method for extracting scandium |
| 02/22/2012 | EP2419545A1 Methods and systems for recoverying rhenium from a copper leach |
| 02/09/2012 | US20120035382 Method for separation and partial return of rhodium and catalytically effective complex compounds thereof from process streams |
| 02/08/2012 | CN102345015A Method for removing thallium in process of producing refined cadmium with high-temperature dust generated by acid preparing system |
| 01/25/2012 | EP2408941A1 Rhenium recovery |
| 01/19/2012 | WO2012008453A1 Rotary kiln and metal recovery method |
| 12/07/2011 | CN102268547A 钼铼分离用三烷基胺萃淋树脂及其制备方法 Molybdenum Rhenium separation TRIALKYLAMINE Levextrel its preparation method |
| 11/30/2011 | CN101880763B 碲矿与催化剂焙烧富集碲的方法 Tellurium tellurium ore enrichment and calcination methods |
| 11/23/2011 | CN102251107A Method for treating rhenium-containing raw material |
| 11/15/2011 | CA2730558C Separation process for platinum group elements |
| 11/03/2011 | WO2011137268A1 Method for recovering tellurium from module comprising cadmium telluride |
| 10/19/2011 | CN102220503A Method for preparing aluminum-scandium intermediate alloy by using calciothermy |
| 10/19/2011 | CN102220502A Method for preparing aluminum-scandium master alloy by thermal reduction of aluminum-calcium alloy |
| 10/13/2011 | US20110250107 Column geometry to maximize elution efficiencies for molybdenum-99 |
| 10/12/2011 | CN102212697A Tungsten slag treatment method |
| 09/22/2011 | WO2011113080A1 Method of oxidative leaching of molybdenum - rhenium sulfide ores and/or concentrates |
| 09/22/2011 | US20110229366 Method for recovering rhenium and other metals from rhenium-bearing materials |
| 09/22/2011 | CA2793240A1 Method of oxidative leaching of molybdenum - rhenium sulfide ores and/or concentrates |
| 09/14/2011 | CN1981060B Method and device for treating anode slime |
| 08/16/2011 | US7998241 Method for recovering rhodium |
| 06/29/2011 | EP2339036A1 Rhenium recovery from superalloys and associated methods |
| 06/15/2011 | CN102094129A Method for enriching rhenium |
| 06/08/2011 | CN102089243A Reduction of silica |
| 06/02/2011 | US20110126673 Rhenium recovery from superalloys and associated methods |
| 05/30/2011 | CA2721780A1 Rhenium recovery from superalloys and associated methods |
| 05/19/2011 | US20110113927 Separation reagent of platinum group metal, method for separating and recovering platinum group metal, and amide-containing tertiary amine compound |
| 05/11/2011 | CN102057066A Recovery of rhenium |
| 04/27/2011 | CN101220418B Method for separating molybdenum, rhenium from molybdenum mineral |
| 04/07/2011 | WO2011038746A1 Acidic dezincification |
| 04/05/2011 | US7918916 Calcium-silicate based slag for treatment of molten steel |
| 03/22/2011 | US7910048 Apparatus for plasma synthesis of rhenium nano and micro powders |
| 02/23/2011 | EP2285994A1 Recovery of rhenium |
| 02/16/2011 | CN101660044B Novel molybdenum calcining processing technology |
| 02/01/2011 | US7879130 Treating molten calcium-silicate based slag with a molten ferrosilicon alloy, the phosphorous in the slag is transferred to the ferrosilicon alloy; removing a calcium-silicate based slag containing less than 3 ppmw phosphorous |
| 01/26/2011 | CN101960026A Method of recovering thallium at cement manufacturing facility, and recovery apparatus |
| 01/13/2011 | US20110005350 Recovery method and recovery apparatus of thallium in cement production facilities |
| 01/04/2011 | CA2425888C Chromatographic method of separating ruthenium from platinum group metals |
| 12/21/2010 | US7854784 treating molten calcium-silicate based slag with a molten ferrosilicon alloy; the phosphorous in the slag is transferred to the ferrosilicon alloy; removing a calcium-silicate based slag containing less than 3 ppmw phosphorous; for solar cells |
| 11/10/2010 | EP2247531A1 Reduction of silica |
| 11/10/2010 | CN101880763A Method for gathering tellurium by roasting kawazulite and catalyst |
| 10/21/2010 | WO2010120405A1 Methods and systems for recoverying rhenium from a copper leach |
| 10/21/2010 | US20100263490 Methods and systems for recovering rhenium from a copper leach |
| 10/21/2010 | CA2758884A1 Methods and systems for recovering rhenium from a copper leach |
| 10/13/2010 | CN101314823B Method for extracting thallium from thallium containing slag |
| 10/12/2010 | US7811356 efficiently and inexpensively; metallurgical grade silicon; multistep melting and crystallization in crucible |
| 09/16/2010 | WO2010102391A1 Rhenium recovery |
| 09/16/2010 | CA2756337A1 Rhenium recovery by oxidative and acid conditions and aqueous solution |
| 09/09/2010 | US20100226838 Process for the removal of catalyst degradation products |
| 09/08/2010 | CN101824555A Method for extracting scandium |
| 09/08/2010 | CN101469377B Technique for extracting rhenium in recovered solution by centrifuge extracting machine |
| 09/07/2010 | US7790646 Conversion of fine catalyst into coke-like material |
| 08/05/2010 | US20100193737 Method for preparing nanocrystalline germanium in geo2 and freestanding germanium nanoparticles |
| 08/04/2010 | CN101795975A Method for the recycling and purification of an inorganic metallic precursor |
| 06/22/2010 | US7740685 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 06/08/2010 | US7731777 hydrometallurgical method for separating the precious metals and impurities from copper electrolysis; purification by leaching, calcination, oxidation, sulfation, reduction or by extraction |
| 05/26/2010 | CN1653198B Method for separating platinum group element |
| 05/20/2010 | US20100124522 reaction of a uranium composition having contamination levels of heptavalent technetium (Tc pertechnetate, or ammonium technetate) with an acetohydroxamic acid ( i.e., N-hydroxy-acetamide, or N-acetyl-hydroxylamine) in an acid (HNO3) to reduce Tc(V) to Tc(II) then extracts the uranyl nitrate |
| 05/04/2010 | US7708961 Method and apparatus for isolating the radioisotope 186Rhenium |
| 03/11/2010 | US20100059428 System for Removal of Metals from Aqueous Solutions |
| 03/02/2010 | US7670575 Method and device for treating anode slime |
| 02/18/2010 | WO2010019063A1 Molybdenum process of identifying the collective concentrate cu-mo |
| 02/18/2010 | US20100037729 Blast furnace metallurgical coal substitute products and method |
| 02/17/2010 | EP2152632A1 Method for the recycling and purification of an inorganic metallic precursor |
| 02/04/2010 | US20100024603 Reduction of lime consumption when treating refractory gold ores or concentrates |
| 01/12/2010 | US7645372 continuously adding lead aceate to the zinc sulfate solution so that the amount of lead is adjusted to be at least equivalent to the amount of thallium, and adding zinc powder to ZnSO4 solution to precipitate cadmium and thallium; removing thallium; and zinc particle self dissolve forming ZnSO4 |
| 01/05/2010 | US7641711 Metal vapour condensation and liquid metal withdrawal |
| 12/10/2009 | WO2009146647A1 Method of extracting te and bismuth oxide and recovering byproduct |
| 11/12/2009 | WO2009135665A1 Recovery of rhenium |
| 11/12/2009 | US20090277305 recovering from an ethylene oxide catalyst containing rhenium and silver on a solid support, wherein at least a substantial portion of rhenium present in catalyst is extracted by intimate contact of catalyst with polar non-acidic organic solvents substantially free of water |
| 10/15/2009 | US20090255372 Recycling of superalloys with the aid of an alkali metal salt bath |
| 10/08/2009 | WO2009122240A1 Method for the recycling and purification of an inorganic metallic precursor |
| 10/01/2009 | US20090243168 Apparatus for plasma synthesis of rhenium nano and micro powders |
| 10/01/2009 | US20090241731 System and method for extracting base metal values from oxide ores |
| 09/11/2009 | WO2009110594A1 Method of recovering thallium at cement manufacturing facility, and recovery apparatus |
| 08/27/2009 | WO2009103120A1 Reduction of silica |
| 08/25/2009 | US7578868 Metal recovery from a tank bioleaching solution with the use of coated magnetic particles |
| 07/30/2009 | DE10313960B4 Verfahren zum kontinuerlichen Umschmelzen von Material im Elektronenstrahlofen A method for continuos remelting of material in the electron beam furnace |
| 07/29/2009 | CN100519790C Method and device for extracting high-purity rhenium from tungsten-rhenium alloy |
| 07/21/2009 | US7563429 spent mass is treated with a hydrogen peroxide for leaching out selenium content from unspent active substance present in the filter mass to form selenious acid, treating with aqua regia to dissolve mercury selenide, separating aqua regia solution conatining HgSe, adding Na2s to form HgS, separting HgS |
| 07/01/2009 | CN101469377A Technique for extracting rhenium in recovered solution by centrifuge extracting machine |
| 05/26/2009 | US7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 04/07/2009 | CA2230443C Process for the production of ultrafine particles |
| 03/18/2009 | EP1694425B1 A method of recycling an exhausted selenium filter mass |
| 03/03/2009 | US7498007 Precipitating in acid solution; centrifuging, filtration; calcium hydroxide, quicklime or calcium carbonate to the acid solution or liquor, producing a precipitate of vanadium pentoxide, which is separated |
| 02/24/2009 | US7494527 Process for plasma synthesis of rhenium nano and micro powders, and for coatings and near net shape deposits thereof and apparatus therefor |
| 02/17/2009 | US7491348 Composition of matter tailoring: system I |
| 02/10/2009 | US7488464 Producing high capacity and oxidation state sorbent, filtration and/or purification media; rapid, adaptive |
| 01/28/2009 | CN101353803A Method for leaching molybdenum and rhenium from molybdenum concentrate by mineral slurry electrolysis method |
| 01/27/2009 | US7481865 Method for removing mercury from gas |
| 01/20/2009 | US7479262 Method for separating platinum group element |
| 12/31/2008 | EP1577408B1 Method for separating platinum group elements from selenum/tellurium bearing materials |
| 12/03/2008 | CN101314823A Method for extracting thallium from thallium containing slag |
| 11/20/2008 | US20080284068 Heap or Dump Leaching System Having an Air Distributor |
| 11/06/2008 | US20080271572 Method for Recovering Rare Metals in Zinc Leaching Process |
| 10/28/2008 | US7442356 Process for producing inorganic spheres |
| 10/02/2008 | US20080236337 reduction of an ammonium hexachloro rhodate solution using formic acid , then recovering reduced rhodium as rhodium black, and calcining the rhodium black under hydrogen atmosphere without water-washing to obtain rhodium sponge |
| 09/24/2008 | CN101270420A Process for recovering cobalt from cobalt based fischer-tropsch synthetic catalyst |