| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 06/08/2011 | CN102086485A Comprehensive utilization method for vanadium extraction and power generation by using stone coal burned by circulating fluidized bed boiler |
| 06/08/2011 | CN101724755B Method for recovering titanium dioxide from blast furnace slag of vanadium titano-magnetite |
| 06/08/2011 | CN101724751B Method for smelting high vanadium ferrovanadium |
| 06/02/2011 | US20110129386 Use of powder-metallurgical pre-material for producing an nb alloy that is free of inclusions |
| 06/01/2011 | CN102080161A Method for comprehensively recovering tungsten and phosphorus from high phosphorus white tungsten ores |
| 06/01/2011 | CN102080157A Method for decomposing scheelite |
| 06/01/2011 | CN101760652B Technical method for selecting and smelting refractory complex molybdenum ore processed by combined process flow |
| 06/01/2011 | CN101323915B Method for extracting molybdenum and nickel by molybdenum nickel ore whole wet method |
| 05/26/2011 | US20110120881 Reduction of metal oxides in an electrolytic cell |
| 05/25/2011 | CN1993196B Method for the production of niobium and tantalum powder |
| 05/25/2011 | CN102071321A Method for extracting vanadium and chromium from vanadium-containing steel slag by high-alkalinity potassium hydroxide |
| 05/25/2011 | CN102071313A Method for treating tungsten-containing and molybdenum-containing slag produced in ammonium paratungstate production process |
| 05/25/2011 | CN102070189A Method for removing vanadium from titanium tetrachloride |
| 05/25/2011 | CN101550492B Method for extracting vanadium pentoxide from vanadium-containing ferro phosphorus |
| 05/25/2011 | CN101538649B Iron removing method for pickle liquor during extraction of vanadium in stone coal |
| 05/18/2011 | EP2322693A1 Electrochemical process for titanium production |
| 05/18/2011 | CN201832563U Vanadium and sodium separating device |
| 05/18/2011 | CN102065992A Method and apparatus for forming titanium-aluminium based alloys |
| 05/18/2011 | CN102062527A Decarburization roasting device of vanadium extraction by fire for stone coal containing vanadium and processing thereof |
| 05/18/2011 | CN102061397A Method for recycling vanadium, chromium, titanium and iron from vanadium-titanium magnetite ore |
| 05/18/2011 | CN102061384A Method for concentrating ammonium tungstate solution |
| 05/18/2011 | CN101760650B Method for leaching vanadium in vanadium-containing stone coal by wet process |
| 05/18/2011 | CN101705377B Method for extracting vanadium from stone coal by wet-process enrichment and pyrogenic-process conversion |
| 05/18/2011 | CN101492771B Hingganite ore concentrate decomposition method |
| 05/17/2011 | US7943103 Waste solids handling |
| 05/11/2011 | CN102051486A Method for preparing low-phosphorus vanadium liquid by using wastewater subjected to vanadium precipitation |
| 05/11/2011 | CN102051483A Method for reclaiming metals from molybdenum-containing waste catalyst |
| 05/11/2011 | CN101691649B Titanizing and aluminizing method for sponge titanium reactor |
| 05/11/2011 | CN101684523B Method for reclaiming molybdenum from waste alumina base catalyst containing molybdenum |
| 05/05/2011 | WO2011015845A3 Treatment of titanium ores |
| 05/04/2011 | CN201817535U Heating component of reducing distillation furnace |
| 05/04/2011 | CN1896326B Method of removal of substance from solid compound m i x of substance x and metal or semi-metal m i |
| 05/04/2011 | CN102041390A Method for recycling tungsten from molybdenum-removal slag |
| 05/04/2011 | CN102041388A Method for recycling metal from waste catalyst containing molybdenum and nickel |
| 05/04/2011 | CN102041377A Method for recovering iron, vanadium and chromium in vanadium-titanium magnetite concentrate |
| 05/04/2011 | CN101693946B Additive and method for extracting vanadium by roasting stone coal ores and preparation method thereof |
| 05/04/2011 | CN101629248B Reduction distillation device for producing sponge titanium |
| 05/03/2011 | CA2666153C Titaniferous ore beneficiation |
| 05/03/2011 | CA2476283C Metal recovery process |
| 04/28/2011 | WO2011049218A1 Method of molybdenum refining |
| 04/28/2011 | US20110097501 Methods for extracting titanium metal and useful alloys from titanium oxides |
| 04/28/2011 | CA2775051A1 Molybdenum refining method |
| 04/27/2011 | CN102032783A Cold crucible induction melting equipment for melting titanium or titanium alloy and melting and ingot pulling method |
| 04/27/2011 | CN102031396A Method for extracting vanadium from molten iron |
| 04/27/2011 | CN102031367A Method for extracting vanadium from vanadium-containing shale ore |
| 04/27/2011 | CN101760651B Process for extracting vanadium by acid leaching of stone coal |
| 04/27/2011 | CN101624650B Microwave irradiation-acid leaching vanadium-recovering process of stone coal containing vanadium |
| 04/27/2011 | CN101220418B Method for separating molybdenum, rhenium from molybdenum mineral |
| 04/21/2011 | WO2011045755A1 Ferrochrome alloy production |
| 04/21/2011 | US20110091350 Method and apparatus for forming titanium-aluminium based alloys |
| 04/21/2011 | US20110088513 Method for solubilizing molybdenum oxide concentrates |
| 04/20/2011 | EP2312915A1 Method for producing superconducting radio-frequency acceleration cavity |
| 04/20/2011 | EP2310322A1 Processes for producing titanium dioxide |
| 04/20/2011 | CN102021352A Apparatus for preparing high-porosity titanium sponge |
| 04/20/2011 | CN102021345A Method for recycling vanadium pentoxide and sodium dichromate |
| 04/20/2011 | CN102021335A Method for separating zirconium from hafnium by using elution extraction method |
| 04/20/2011 | CN102021334A Method for extracting gallium and vanadium from seed precipitation mother liquor of Bayer process |
| 04/20/2011 | CN102021329A Method for extracting tungsten from scheelite and producing high-quality calcined gypsum |
| 04/20/2011 | CN102021328A Method for extracting tungsten from scheelite |
| 04/20/2011 | CN102021327A Method for decomposing scheelite by using phosphoric acid |
| 04/20/2011 | CN102021315A Process for calcining ammonium metavanadate for preparing powdered vanadium pentoxide |
| 04/20/2011 | CN102019429A Preparation method of nano-tungsten powder |
| 04/20/2011 | CN101775507B Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite |
| 04/20/2011 | CN101432454B Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 04/13/2011 | EP2309009A2 Method For preparing A Metallic Article Having An Other Additive Constituent, Without Any Melting |
| 04/13/2011 | CN102011017A Method for extracting tungsten by decomposing tungsten minerals |
| 04/13/2011 | CN102011016A Crystalline zirconium growing system and method thereof |
| 04/13/2011 | CN102011010A Method for totally extracting vanadium, gallium and scandium by using titanium dioxide hydrolysis waste acid to leach steel slag containing vanadium |
| 04/13/2011 | CN102010990A Method for leaching nickel molybdenum associated ore |
| 04/13/2011 | CN102010984A Method for extracting vanadium in coal gangue |
| 04/13/2011 | CN102008896A Vanadium sodium separation device and method |
| 04/13/2011 | CN101660045B Method for leaching and recovering molybdenum from ammonia leaching residue |
| 04/13/2011 | CN101649392B Pelletizing method of ilmenite concentrates and pellet binder |
| 04/07/2011 | US20110079108 Method and apparatus for isolating the radioisotope molybdenum-99 |
| 04/06/2011 | CN201787175U Sponge titanium reactor distill tube high-temperature valve |
| 04/06/2011 | CN102002585A Method for producing vanadium iron with stone-like coal pickle liquor |
| 04/06/2011 | CN101724758B Method for recycling molybdenum of molybdenum-contained waste catalyst |
| 04/06/2011 | CN101215636B Stone coal sodication roasting and vanadium-extracting method |
| 04/05/2011 | US7918985 Reduction of metal oxides in an electrolytic cell |
| 03/30/2011 | CN201778082U Heat absorption type hot-calcined stone coal transit warehouse |
| 03/30/2011 | CN201776000U Highly-efficient partial vanadium box type undercurrent washing pressure filter |
| 03/30/2011 | CN101994015A Fusion casting method of large-size high-performance titanium and titanium alloy ingot |
| 03/30/2011 | CN101994012A Method for producing titanium dioxide by using titanium-containing blast furnace slag |
| 03/24/2011 | WO2011005736A3 Processes for recovering metals from aqueous solutions |
| 03/24/2011 | US20110067527 Method for production of niobium and tantalum powder |
| 03/23/2011 | EP2298964A1 Process for producing metallic zirconium |
| 03/23/2011 | EP2298943A1 Recycling tungsten carbide |
| 03/23/2011 | EP2298473A2 Method for making and using a rod assembly as feedstock material in a smelting process |
| 03/23/2011 | EP2296805A1 Method and apparatus for forming titanium-aluminium based alloys |
| 03/23/2011 | CN1812859B A method and apparatus for the production of metal compounds |
| 03/23/2011 | CN1720114B Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein |
| 03/23/2011 | CN101988158A Comprehensive utilization method of titanium-containing waste residues |
| 03/23/2011 | CN101988157A Re-processing waste cobalt-molybdenum mixed oxide catalysts |
| 03/23/2011 | CN101532086B A vanadium-containing resin desorption method |
| 03/23/2011 | CN101054635B Method for extracting vanadium pentoxide from Stone-like coal vanadium ore and special device for the same |
| 03/17/2011 | WO2011030301A1 Treatment of minerals |
| 03/17/2011 | DE10329552B4 Verfahren zur Herstellung von Durchdringungs-Verbundwerkstoffen A process for producing permeation composites |
| 03/17/2011 | CA2774050A1 Treatment of minerals |
| 03/16/2011 | EP2294233A2 Method of producing calcium carbonate from waste and byproducts |
| 03/16/2011 | EP1941067B1 Titaniferous ore beneficiation |