| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 05/06/2009 | CN201232079Y Passage connecting and heating apparatus used in distillation process for producing titanium sponge |
| 05/06/2009 | CN201232078Y Reactor transport flat car for producing titanium sponge |
| 05/06/2009 | CN201232077Y Passageway heating cover for producing titanium sponge |
| 05/06/2009 | CN201232076Y Reaction tank cap for producing titanium sponge |
| 05/05/2009 | US7527669 Displacement method and apparatus for reducing passivated metal powders and metal oxides |
| 04/29/2009 | EP2052395A1 Improvements in the production of electrolytic capacitor |
| 04/29/2009 | EP1686196B1 Method of manufacturing high purity hafnium |
| 04/29/2009 | CN101418385A Method for extracting vanadium pentoxide from vanadium-containing steel slag |
| 04/29/2009 | CN101418384A Cool end dredger of vacuum distillator |
| 04/29/2009 | CN101418383A Method for preparing TiCl4 from titanium-containing furnace slag |
| 04/29/2009 | CN101418382A Slagoff device of chlorination furnace |
| 04/29/2009 | CN101418372A Production of pre-reduced chrome ore pellet by external heated shaft furnace |
| 04/29/2009 | CN101418370A Novel industrialization method for comprehensive utilization of vanadium ferrotitanium ore concentrate |
| 04/29/2009 | CN100482820C Process for separating Ti from a Ti slurry |
| 04/29/2009 | CN100482814C Extraction of vanadium and molybdenum compound from refused materials containing vanadium and molybdenum etc. multiple elements |
| 04/22/2009 | EP1324946B1 Ultracoarse, monorystalline tungsten carbide and method for producing the same, and hard metal produced therefrom |
| 04/22/2009 | CN101413062A Method for extracting molybdenum from sodium aluminate solution |
| 04/22/2009 | CN101413061A Electron beam cold hearth melting recovery method for titanium and titanium alloy chip scrap |
| 04/22/2009 | CN100480405C High purity tantalum and products containing the same like sputter targets |
| 04/22/2009 | CN100480404C Method for leaching vanadium from stone-like coal by oxidation transformation |
| 04/22/2009 | CN100480403C A separation process |
| 04/22/2009 | CN100480400C Method for warming and compression production of ammonium metavanadate and warming and compression decomposition tower |
| 04/16/2009 | WO2008021683A3 Cavitation process for titanium products from precursor halides |
| 04/15/2009 | CN101407881A High purity tantalum and products containing the same like sputter targets |
| 04/15/2009 | CN101407852A Method for extracting vanadium slag from ultra-low vanadium-containing molten iron by using converter |
| 04/08/2009 | CN101403046A Method for reduction production of zirconium sponge with double-pot magnesium method |
| 04/08/2009 | CN101403036A Method for separating titanium, iron ore |
| 04/08/2009 | CN100475990C Method and equipment for producing high-purified titanium |
| 04/08/2009 | CN100475986C Ion exchange process for preparing ammonium tungstate solution |
| 04/08/2009 | CN100475984C Mechanical activating roasting method for metallurgical material and sodium carbonate |
| 04/07/2009 | US7513930 Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall |
| 04/01/2009 | CN101400829A Method of removing/concentrating metal-fog-forming metal present in molten salt, apparatus therefor, and process and apparatus for producing ti or ti alloy with these |
| 03/31/2009 | US7510680 Forming oxides, reducing, consolidation |
| 03/25/2009 | CN201212053Y Gathering machine for removing impurity from titanium sponge |
| 03/25/2009 | CN101395286A Reduction processing of metal-containing ores in the presence of microwave and RF energy |
| 03/25/2009 | CN100471968C Method of metal recovery |
| 03/18/2009 | CN101386922A Method for extracting molybdenum by roasting high impurity sodium carbonate nickel-ferro-molybdenum |
| 03/18/2009 | CN101386921A Method for separating V-Ti-Fe concentrate fines |
| 03/18/2009 | CN101386920A Reduction-distillation method of titanium sponge and U type complex unit |
| 03/18/2009 | CN101386899A Vanadium extraction smelting process for rotating furnace and apparatus |
| 03/18/2009 | CN100469910C Process for directly producing titanium alloy from titanium-containing mineral |
| 03/18/2009 | CN100469909C Molybdenum vanadium multimetal metallurgical material resolving method |
| 03/17/2009 | US7504017 Pouring molten material into electrochemical reactor, covering with electrolyte and deoxidizing; purity, low cost |
| 03/17/2009 | US7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 03/12/2009 | US20090068434 Tantalum and Niobium Billets and Methods of Producing the Same |
| 03/12/2009 | CA2698251A1 Direct processing of metallic ore concentrates into ferroalloys |
| 03/11/2009 | EP2032727A1 Method, apparatus and means for production of metals in a molten salt electrolyte |
| 03/11/2009 | CN101381819A Comprehensive recovery technique for molybdenum and sulfur from tailings of molybdenum floation |
| 03/11/2009 | CN101381818A Method for preparing intermediate salt during acid leaching and extraction of vanadium pentoxide from vanadium-containing stone coal ash |
| 03/10/2009 | US7501599 Apparatus for plasma synthesis of metal oxide nanopowder |
| 03/10/2009 | US7501089 Method and apparatus for controlling the size of powder produced by the Armstrong Process |
| 03/10/2009 | US7501007 Slurry is introduced into a first vessel when liquid metal is separated from the metal powder and salt leaving principally salt and metal powder substantially free of liquid metal; salt and metal powder is transferred to a second vessel, treated to produce passivated powder |
| 03/10/2009 | CA2288195C Process and device for recovering raw materials from waste and residues |
| 03/04/2009 | CN100465307C A stone-like coal gas phase vanadium extracting method |
| 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 |
| 02/19/2009 | US20090047198 high-temperature oxidation of a Co Mo alumina catalyst with O2 increases the recovery of Co by at least 50% and Mo by about 10%, time for oxidation is reduced from 24 hours to 0.5 hour and the time to recover Co and Mo during subsequent chlorination and sublimation can be reduced from 3 to 2 hours |
| 02/18/2009 | CN201195741Y Production apparatus for hypoxia low-nitrogen titanium sponge |
| 02/18/2009 | CN201195740Y Stove special for extracting magnesium and molybdenum with vacuum-thermal reduction and thermal decomposition |
| 02/18/2009 | CN100462306C Method for producing titanium product from titanic slag by titanium white waste sulfuric acid |
| 02/17/2009 | US7491348 Composition of matter tailoring: system I |
| 02/17/2009 | CA2371805C Method and device for moulding titanium parts |
| 02/11/2009 | EP2021518A1 Method and device for chlorination of ore-bearing materials |
| 02/11/2009 | CN101363084A Sodium modification, alcination and vanadium extraction technology of stone coal |
| 02/11/2009 | CN100460533C Method for separating zirconium and hafnium tetrachloride with aid of melted solvent |
| 02/04/2009 | CN101358301A Method for directly extracting vanadium from vanadium titan magnetite concentrate |
| 02/04/2009 | CN101358300A Compulsory cooling reduction distilling furnace and preparation method thereof |
| 02/04/2009 | CN101358299A Sealing method of wind import and export of reduction distilling furnace and rapid sealing closure |
| 02/04/2009 | CN100457932C Process for the treatment of molybdenum concentrate |
| 02/04/2009 | CN100457931C Materials processing method and apparatus |
| 02/03/2009 | US7485269 Multiple stage leaching of titaniferous material in a sulfate process including leaching the material with solution containing H2SO4; separating TiOSO4 from liquor; hydrolysis; separating solid phase containing hydrated titanium oxides calcining to form TiO2; further leaching solid phase from 1st leach |
| 02/03/2009 | US7485268 Production of titania |
| 02/03/2009 | US7485257 Valve metal powders |
| 02/03/2009 | US7485198 Tantalum and niobium billets and methods of producing the same |
| 01/28/2009 | CN101353803A Method for leaching molybdenum and rhenium from molybdenum concentrate by mineral slurry electrolysis method |
| 01/27/2009 | US7481864 Conversion of Ta2O5 to Ta metal |
| 01/21/2009 | EP2017360A2 High purity hafnium, high purity hafnium target and method of manufacturing a thin film using high purity hafnium |
| 01/21/2009 | CN101348868A Method for recovering tungsten and molybdenum from phosphor middling |
| 01/21/2009 | CN101347698A Method for recycling tungsten oxide powder dust from flue gas of calcining ammonium paratungstate and recovering device |
| 01/21/2009 | CN100453662C Distilling path dredger on cold end reactor large lid for producing sponge titanium |
| 01/15/2009 | WO2009008121A1 Process for producing high-purity metallic calcium, process for producing metallic titanium with use of the calcium, and high-purity metallic calcium producing apparatus |
| 01/14/2009 | CN101343696A Desulfurization method for molybdenum sulfide |
| 01/14/2009 | CN101343695A Method for reducing content of kalium and sodium in vanadium solvent extraction circulation liquid |
| 01/14/2009 | CN100450603C Device and method for heat synthesis |
| 01/07/2009 | EP2010684A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 01/07/2009 | EP1390113A4 Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 01/07/2009 | CN100449010C Process for smelting ferrovanadium by extraction of vanadium from vanadium-containing errophosphorus |
| 01/06/2009 | US7473294 Nitrogen-containing metal powder, production process thereof, and porous sintered body and solid electrolytic capacitor using the metal powder |
| 12/31/2008 | EP2008742A1 Method for the production of tantal powder for valves |
| 12/31/2008 | CN201172679Y Pup joint equipment of I-typed reducing-distilling combined furnace for producing spongy titanium by magnesium method |
| 12/31/2008 | CN101333598A Method for separating and extracting metallic tungsten and molybdenum from molybdenum removal slag generated by smelting tungsten |
| 12/30/2008 | US7470355 Molten bath electrolyte, anode, cathode; applying potential to electrolytic cell; removing metal |
| 12/30/2008 | US7470305 Method and apparatus for alternating pouring from common hearth in plasma furnace |
| 12/24/2008 | EP2004868A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 12/24/2008 | CN101328540A Method for reclaiming sodium molybdate solution from molybdenum-containing leached residue |
| 12/24/2008 | CN101328523A Ladle top-bottom blowing vanadium extracting method |
| 12/17/2008 | CN201165543Y Reduction reaction pot |
| 12/17/2008 | CN101323915A Method for extracting molybdenum and nickel by molybdenum nickel ore whole wet method |
| 12/17/2008 | CN101323914A Process for extracting vanadic anhydride by high calcium calcination |
| 12/17/2008 | CN101323913A Method for making composite board reduction distil container for preparing titanium sponge |
| 12/17/2008 | CN101322907A Method for treating waste gas from vanadic anhydride production by sodium roasting method |