| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 03/16/2011 | CN101985697A Electric furnace charging process for high-titanium blast furnace slag carbonization |
| 03/16/2011 | CN101985692A Method for removing arsenic and recycling tungsten from tungsten smelting wastewater |
| 03/16/2011 | CN101709388B Process for separating vanadium by chloridizing and roasting vanadium slag |
| 03/16/2011 | CN101660046B Reductive desorption method of vanadium-containing resin |
| 03/16/2011 | CN101328523B Ladle top-bottom blowing vanadium extracting method |
| 03/15/2011 | CA2449185C Autoclave control mechanisms for pressure oxidation of molybdenite |
| 03/10/2011 | WO2011028892A1 Titanium bearing material flow control in the manufacture of titanium tetrachloride with silica content monitoring of the titanium product |
| 03/10/2011 | WO2011028871A1 Titanium bearing material flow control in the manufacture of titanium tetrachloride with silica content monitoring of the titanium product using feedback and feed forward responses |
| 03/10/2011 | WO2011028869A1 Titanium bearing material flow control in the manufacture of titanium tetrachloride using a combination of feedback and feed forward responses |
| 03/10/2011 | WO2011028868A1 Process for controlling the flow of titanium bearing material into the fluidized bed reactor in the manufacture of titanium tetrachloride |
| 03/10/2011 | WO2011026434A1 Titaniumrich hydrochloric acid leaching residue,use thereof and preparation method of titanium dioxide |
| 03/10/2011 | DE102010032889A1 Verfahren zur Gewinnung von Molybdän und Kobalt A process for the recovery of molybdenum and cobalt |
| 03/10/2011 | CA2772576A1 Enriched titanium hydrochloric acid extract residue, use thereof and preparation method of titanium pigment |
| 03/09/2011 | CN101984101A Preparation method of high purity titanium |
| 03/08/2011 | US7901483 Process for recovering titanium |
| 03/03/2011 | WO2011024164A1 Process for multi metal separation from raw materials and system for use |
| 03/03/2011 | CA2771981A1 Process for multi metal separation from raw materials and system for use |
| 03/02/2011 | EP2290113A1 Process for recoverying valuable metals from waste catalyst |
| 03/02/2011 | EP1299185B1 Mixed metal catalyst comprising a combustible binder |
| 03/02/2011 | CN101983002A Special carbon electrode for smelting of titanium slag and preparation method thereof |
| 03/02/2011 | CN101982550A Method for treating ferrochrome ore powder by microwave |
| 02/24/2011 | US20110041650 Niobium based alloy that is resistant to aqueous corrosion |
| 02/24/2011 | DE10296846B4 Verfahren zum selektiven Entfernen von Molybdän aus flüssigen Mischungen, die dieses zusammen mit Vanadium enthalten A process for selectively removing molybdenum from liquid mixtures containing this together with vanadium |
| 02/23/2011 | CN1650051B Reduction of metal oxides in an electrolytic cell |
| 02/23/2011 | CN101979683A Process for extracting vanadium and chromium from chromic slag by using waste acid of titanium powder plant |
| 02/17/2011 | WO2011019804A1 A multi-stage system for reaction and melt coalescence and separation |
| 02/16/2011 | CN101974688A Method for separating chromium ions and iron ions in multicomponent solution |
| 02/16/2011 | CN101709377B Purifying and impurity-removing method of leaching solution containing vanadium |
| 02/16/2011 | CN101660044B Novel molybdenum calcining processing technology |
| 02/09/2011 | EP2281648A1 Method for preparing metallic alloy articles without melting |
| 02/09/2011 | EP2281647A1 Method for fabricating a metallic article without any melting |
| 02/09/2011 | EP1569736B1 Circumferential air knife and applications |
| 02/09/2011 | CN101970155A Method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements ni, cu, ta, w, re, os, and ir |
| 02/09/2011 | CN101967567A Method for preparing metal vanadium |
| 02/09/2011 | CN101967563A Method for wet-process vanadium extraction by using vanadium- and titanium-containing converter slag |
| 02/09/2011 | CN101967532A Powder spraying device and method for efficient vanadium extracting process of converter |
| 02/09/2011 | CN101966592A Method for preparing molybdenum powder |
| 02/09/2011 | CN101565778B Method for depositing and separating tungsten and molybdenum in tungstate/molybdate mixed solution |
| 02/03/2011 | US20110028312 Method for recovering molybdenum and cobalt |
| 02/02/2011 | CN101962727A Method for preparing sigma-phase FeV50 |
| 02/02/2011 | CN101962191A Method for lowering white carbon black extracting cost in stone coal-calcining alkali-leaching vanadium extraction and thermally-decarbonized stone coal water-cooling device used thereby |
| 02/02/2011 | CN101962190A Method for increasing output of white carbon black in vanadium extraction through stone coal roasting and alkali leaching |
| 02/02/2011 | CN101961569A High-efficient metavanadate environment-friendly filtering method and metavanadate box type undercurrent washing press used by the same |
| 02/02/2011 | CN101597698B Method for extracting vanadium by stone coal through acid leaching |
| 02/01/2011 | US7879219 Electrochemical processing of solid materials in fused salt |
| 02/01/2011 | CA2467653C Materials processing method and apparatus |
| 01/27/2011 | DE112007001934B4 Kavitationsverfahren für Produkte aus Vorläuferholageniden Cavitation for products from Vorläuferholageniden |
| 01/26/2011 | CN101954487A Vanadium-titanium-iron polymetallic ore preparation method by direct reduction of coal derived and application thereof |
| 01/26/2011 | CN101709376B Method for purifying alkaline vanadium leachate |
| 01/26/2011 | CN101386899B Vanadium extraction smelting process for rotating furnace and apparatus |
| 01/20/2011 | US20110011215 Rare metal extractant |
| 01/19/2011 | EP2140036B1 Method for the production of a low carbon concentrate rich in heavy metal, produced from carbon-rich heavy metal-containing residues, from crude oil refining in particular |
| 01/19/2011 | CN201713559U Magnesium tube bank cooling structure for sponge titanium production |
| 01/19/2011 | CN101948961A Manufacturing method of magnesium chloride discharge pipe of reactor for producing sponge titanium |
| 01/19/2011 | CN101709390B On-line circulation method for process for extracting vanadium from stone coal |
| 01/19/2011 | CN101684525B Method for extracting vanadium from vanadium-containing ferrophosphor |
| 01/13/2011 | US20110005354 Processes for recovering metals from aqueous solutions |
| 01/13/2011 | CA2767395A1 Processes for recovering metals from aqueous solutions |
| 01/12/2011 | EP2272799A2 Process for making titanium dioxide |
| 01/12/2011 | EP2272798A2 Process for making titanium dioxide |
| 01/12/2011 | CN101942576A Manufacturing method of brasque used for smelting metal chromium |
| 01/12/2011 | CN101643848B Method for removing vanadium from tungstate solution |
| 01/12/2011 | CN101538652B Method for separating and recovering vanadium and chrome from vanadium and chrome-containing waste |
| 01/12/2011 | CN101363084B Sodium modification, alcination and vanadium extraction technology of stone coal |
| 01/05/2011 | EP2268840A1 Adsorption method for reclaiming molybdate or tungstate from aqueous solutions |
| 01/05/2011 | EP1930451B1 High-purity hafnium, target and thin film comprising high-purity hafnium, and process for producing high-purity hafnium |
| 01/05/2011 | CN201693181U Device for preparing tantalum powder from potassium fluotantalate by sodium reduction in stirring manner |
| 01/05/2011 | CN201693180U Modified device for stirring sodium for reduction to prepare tantalum powder with potassium fluotantalate |
| 01/05/2011 | CN201693179U Novel device for preparing tantalum powder by reduction of potassium tantalifluoride with sodium under stirring |
| 01/05/2011 | CN201693178U Production device of tantalum powder |
| 01/05/2011 | CN101935768A Method for comprehensively recovering carbon from extraction of vanadium from stone coal |
| 01/05/2011 | CN101935763A Tungsten particles for fusing assistant and preparation method thereof |
| 01/05/2011 | CN101935755A Two-stage leaching method for vanadium in vanadium-containing ore |
| 01/05/2011 | CN101649397B Method for extracting vanadium from sodium salt roasting clinker |
| 01/05/2011 | CN101497945B Method for preparing low oxygen-containing metallic titanium |
| 01/04/2011 | CA2424733C Method for manufacturing metal parts |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | WO2010150873A1 Method for separating and recovering elements coexisting in scrap iron |
| 12/29/2010 | CN1842617B Electrochemical reduction of metal oxides |
| 12/29/2010 | CN101928844A Method for precipitating and reclaiming vanadium from spent liquor of Bayer process |
| 12/29/2010 | CN101928830A Method for extracting vanadium from vanadium-containing liquid |
| 12/29/2010 | CN101624649B Method for leaching vanadium from vanadous stone coal ore with fluosilicic acid and sulphuric acid |
| 12/29/2010 | CN101613805B Comprehensive recovery method of tungsten and molybdenum from slag of bismith smelting furnace |
| 12/23/2010 | WO2010146369A1 Feedstock |
| 12/23/2010 | US20100322831 Method for the production of metal products |
| 12/23/2010 | US20100319488 Continuous production of metallic titanium and titanium-based alloys |
| 12/23/2010 | CA2765359A1 Feedstock |
| 12/22/2010 | CN201678721U Flange structure of titanium sponge reactor big cover charging hole |
| 12/22/2010 | CN201678720U Titanium sponge reactor feeding tube structure |
| 12/22/2010 | CN201678719U Sponge titanium reactor without sieve plate |
| 12/22/2010 | CN201678718U Reactor sieve plate used for producing titanium sponge |
| 12/22/2010 | CN101925427A Phlegmatized metal powder or alloy powder and method and reaction vessel for production thereof |
| 12/22/2010 | CN101921916A Method for recycling metal oxide from waste flue gas denitration catalyst |
| 12/22/2010 | CN101921912A Concentrated acid two-stage curing-gas liquid cyclic vanadium extraction process from stone coal |
| 12/22/2010 | CN101921908A Molybdenum concentrate self-heating roasting method and device thereof |
| 12/16/2010 | DE112007001935B4 Kavitationsverfahren für Titanprodukte aus Vorläuferhalogeniden Cavitation for titanium products from Vorläuferhalogeniden |
| 12/15/2010 | EP2259887A1 Method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements ni, cu, ta, w, re, os, and ir |
| 12/15/2010 | EP2004868B1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 12/15/2010 | EP1680521B1 Production of titania |
| 12/15/2010 | CN101918319A Production of titanium trifluoride |