| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 12/15/2010 | CN101914695A Method for recycling vanadium from vanadium ore containing high silicon and high carbon via wet process |
| 12/15/2010 | CN101914678A Method for producing industry molybdenum oxide from molybdenum concentrate |
| 12/15/2010 | CN101914673A Sodium-translated roasting method of vanadium minerals |
| 12/08/2010 | EP1957684B1 Reduction method |
| 12/08/2010 | CN101906546A Method for preparing vanadium-aluminum alloy |
| 12/08/2010 | CN101906539A Method for removing impurity tungsten from cobalt solution |
| 12/08/2010 | CN101906538A Method for extracting nickel and molybdenum from nickel-molybdenum symbiotic ore by low-concentration composite acid and oxidizing agent |
| 12/08/2010 | CN101906532A Process and equipment for producing soluble low-sulfur molybdenum oxide by cyclic fluidized bed roasting |
| 12/08/2010 | CN101906531A Method for extracting iron, vanadium and titanium from vanadium titano-magnetite |
| 12/08/2010 | CN101691635B Alkali-acid double-cycle process for treating brown iron type nickel laterite ore |
| 12/02/2010 | WO2010137688A1 Method for producing titanium metal |
| 12/02/2010 | CA2762897A1 Method for producing titanium metal |
| 12/01/2010 | CN201660687U Vacuum distillator cold end dredge device |
| 12/01/2010 | CN201658934U Chlorinated tail gas absorption tower in sponge titanium production |
| 12/01/2010 | CN101899582A Method for extracting vanadium pentoxide from vanadium slag |
| 12/01/2010 | CN101899569A Pressure leaching method of molybdenum-nickel paragenetic raw ore |
| 12/01/2010 | CN101307386B Process for smelting titan dregs in ore-smelting furnace and device |
| 11/30/2010 | CA2462831C Method for manufacturing titanium oxide-containing slag |
| 11/25/2010 | WO2010090478A3 Method for leaching impurities contained in molybdenum oxide concentrates |
| 11/24/2010 | CN201648488U Special calcining device for extracting metal cobalt and tungsten from waste hard alloy |
| 11/24/2010 | CN101892396A Method for enriching vanadium from vanadium-bearing ferrophosphorus |
| 11/24/2010 | CN101892380A Method for preparing vanadium pentoxide and roasting additive used therein |
| 11/18/2010 | WO2010131970A1 Process for separating hafnium and zirconium |
| 11/17/2010 | CN101885070A Method for comprehensively utilizing tungsten, nickel and iron in tungsten heavy alloy scrap |
| 11/17/2010 | CN101586196B Vanadium-extracting process by blank roasting alkali leaching ion exchange method |
| 11/17/2010 | CN101349503B Electric stove for smelting titanium slag |
| 11/16/2010 | CA2451302C Reduction of metal oxides in an electrolytic cell |
| 11/11/2010 | WO2010129643A1 Refractory lining for titanium ore beneficiation |
| 11/11/2010 | US20100282023 System and method of producing and separating metals and alloys |
| 11/11/2010 | CA2758574A1 Refractory lining for titanium ore beneficiation |
| 11/10/2010 | EP2247398A1 Phlegmatized metal powder or alloy powder and method and reaction vessel for the production thereof |
| 11/10/2010 | CN101880780A Method for separating and extracting tungsten-molybdenum from mixed solution of tungstate-molybdate |
| 11/10/2010 | CN101880764A Process for roasting stone coal vanadium ore by tunnel car bottom furnace |
| 11/10/2010 | CN101580902B Lime milk neutralization method acid dipping-extraction vanadium extraction technology |
| 11/10/2010 | CN101302630B Method for preparing metal by means of solid oxide electrolytic cell |
| 11/09/2010 | CA2588348C A method of producing titanium |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 11/03/2010 | EP2244980A1 The production of titanium trifluoride |
| 11/03/2010 | CN201621941U Heating furnace for producing titanium sponge |
| 11/03/2010 | CN1898401B Production of titania |
| 11/03/2010 | CN101876004A Method for recycling rare metal molybdenum from mineral dressing tailings of molybdenum |
| 11/03/2010 | CN101875129A Method for comprehensive utilization of high-iron bauxite |
| 11/03/2010 | CN101525692B Method for utilization of copper-nickel-tungsten alloy waste |
| 11/02/2010 | US7824463 Method for the production of niobium and tantalum powder |
| 10/27/2010 | CN201614396U 真空蒸馏还原反应器防拉伸控制装置 Anti-vacuum distillation stretch reduction reactor control device |
| 10/27/2010 | CN201614395U 一种镁法生产海绵钛的还原装置 A magnesium production of titanium sponge to restore device |
| 10/27/2010 | CN101871046A Method for recycling heavy metal pollution wastes |
| 10/20/2010 | CN201609632U 复合净化塔 Complex purification tower |
| 10/20/2010 | CN201609608U 带式真空过滤机的滤布再生装置 Belt vacuum filter cloth regeneration device |
| 10/20/2010 | CN101386920B Reduction-distillation method of titanium sponge and U type complex unit |
| 10/14/2010 | US20100258260 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 10/14/2010 | US20100257978 Process for recovering platinum group metals from ores and concentrates |
| 10/14/2010 | US20100257977 Process for the production of titanium salts |
| 10/13/2010 | CN201605327U 还原反应器酸洗处理装置 Reduction reactor pickling |
| 10/13/2010 | CN101857915A Pelletizing and calcination method for vanadium-containing stone coal ash |
| 10/13/2010 | CN101857910A Method for melting, reducing and smelting high-titanium iron ore by oxygen-enriched top blowing |
| 10/13/2010 | CN101497946B Composite calcination agent for extracting vanadium from vanadium ore |
| 10/13/2010 | CN101285122B Self-propagating combustion cyclonic reactor |
| 10/07/2010 | WO2010043968A3 Production of molybdenum metal powder |
| 10/06/2010 | CN201600015U 一种用于石煤提钒的焙烧设备 A stone coal vanadium roasting equipment |
| 10/06/2010 | CN201598322U 一种用于石煤提钒的脱碳装置 A decarbonization apparatus for stone coal vanadium |
| 10/06/2010 | CN101451199B Method for extracting vanadic anhydride from stone coal vanadium ore |
| 10/06/2010 | CN101265524B Method for extracting V2O5 from stone coal |
| 10/06/2010 | CN101225480B Combined vanadium leaching method for stone coal |
| 09/29/2010 | CN101845561A Process for extracting vanadium from stone coal by acid method by using CaCO3 as neutralizer |
| 09/29/2010 | CN101845560A Process for extracting vanadium from stone coal by acid method by using leaching agent |
| 09/29/2010 | CN101845549A Method for cleaning and converting stone coal |
| 09/29/2010 | CN101492776B Method for producing metal vanadium |
| 09/29/2010 | CN101418383B Method for preparing TiCl4 from titanium-containing furnace slag |
| 09/28/2010 | US7803336 Process for the recovery of titanium in mixed chloride media |
| 09/23/2010 | US20100237280 Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
| 09/22/2010 | EP2229345A1 Method for solubilizing molybdenum oxide concentrates |
| 09/22/2010 | CN201587972U Reduction distillation device for producing titanium sponge |
| 09/22/2010 | CN101838750A Method for performing direct acid adjusting closed cycle on ammonium paratungstate crystallization mother liquor |
| 09/22/2010 | CN101838749A Ion exchange extraction vanadium method of vanadium-containing solution |
| 09/22/2010 | CN101838735A Method for extracting valuable metals from acid leaching solution of nickel-molybdenum multi-metal metallurgical materials by separation |
| 09/22/2010 | CN101514403B Method for volatilizing and enriching molybdenum from molybdenum tailings |
| 09/21/2010 | US7799184 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor |
| 09/15/2010 | CN201581118U Wet molybdenum concentrate drying and roasting system |
| 09/15/2010 | CN101831562A Double-magnesium chloride pipe reactor for production of sponge titanium and production method of sponge titanium |
| 09/15/2010 | CN101830649A Treatment method for use in production of cement filler by using alkali leaching slag from vanadium stone coal alkali leaching |
| 09/15/2010 | CN101830468A Process for extracting white carbon black in alkaline-leaching and vanadium extraction of stone coal |
| 09/15/2010 | CN101418385B Method for extracting vanadium pentoxide from vanadium-containing steel slag |
| 09/09/2010 | US20100226838 Process for the removal of catalyst degradation products |
| 09/09/2010 | US20100226837 Production of metal products directly from underground ore deposits |
| 09/08/2010 | CN101824539A Wet metallurgy method for decomposing hard alloy |
| 09/08/2010 | CN101824533A Method for extracting tungsten trioxide and molybdenum trioxide by pretreating tungsten-molybdenum concentrates with concentrated acid |
| 09/08/2010 | CN101504248B Tunnel type vanadium oxidization roasting vertical kiln and its baking method |
| 09/08/2010 | CN101503763B Method for preparing low oxygen content metal vanadium |
| 09/08/2010 | CN101503762B Desulphurization and vanadium extraction technique for calcinated vanadium ore |
| 09/07/2010 | US7790014 Removal of substances from metal and semi-metal compounds |
| 09/02/2010 | US20100221137 Hydrogen Storage Material with Intermediate Bond Strength and Process for Making the Same |
| 09/01/2010 | CN101818267A Reduction method |
| 09/01/2010 | CN101451187B Comprehensive recovery method of gold ore resource containing molybdenum multi-metal |
| 09/01/2010 | CN101100709B Method for reclaiming chromium in vanadium oxides producing process |
| 08/25/2010 | CN201561642U Composite can overturn mechanism for producing titanium sponge |
| 08/25/2010 | CN201560228U Titanium extraction device |
| 08/25/2010 | CN201560227U Reduction device used in magnesium reduction process of titanium sponge |
| 08/25/2010 | CN201560226U Reactor large cover in process of producing titanium sponge with magnesium method |
| 08/25/2010 | CN101812602A Calcium sulphate removal method of acid-leaching vanadium-extracted residues |