| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 12/17/2008 | CN100443603C Method of preparing titanium and titanium alloy using titanium containing furnace clinker |
| 12/16/2008 | US7465333 Halide is added to an anhydrous liquid reaction medium containing alkali metals or alkaline earth metals as reductants; cavitation of the liquid medium affects low temperature reduction of the precursor halide(s) to produce a metal, metal alloy, metal compound, ceramic material, metal matrix-ceramic |
| 12/11/2008 | US20080302655 Electrochemical Method and Apparatus For Removing Oxygen From a Compound or Metal |
| 12/10/2008 | EP1999285A1 Apparatus and methods for the production of metal compounds |
| 12/10/2008 | CN201162036Y Titanium sponge reaction stove |
| 12/10/2008 | CN101319281A Reactor cap for manufacturing titanium sponge |
| 12/10/2008 | CN101319280A Furnace lid for manufacturing titanium sponge |
| 12/10/2008 | CN101318188A Novel process for innocent treatment and resource regeneration of chromic slag |
| 12/10/2008 | CN100441513C Recovery of titanium from titanium bearing materials |
| 12/09/2008 | US7462337 grinding raw material, reacting with sulfuric acid, digesting, filtering, and hydrolyzing the cake material containing titanyl sulfate; after washing the hydrolysate, calcining to produce TiO2 |
| 12/04/2008 | US20080299025 Oxidizing Reactor for Molybdenum Sulphide and its Associated Process |
| 12/04/2008 | US20080295645 Halide is added to an anhydrous liquid reaction medium containing alkali metals or alkaline earth metals as reductants; cavitation of the liquid medium affects low temperature reduction of the precursor halide(s) to produce a metal, metal alloy, metal compound, ceramic material, metal matrix-ceramic |
| 11/27/2008 | WO2008142704A1 Process for the production of chromium metal nuggets from chromite ores/concentrates. |
| 11/27/2008 | WO2008073827A9 Fusion process using an alkali metal metalate |
| 11/27/2008 | WO2008021684A3 Cavitation process for products from precursor halides |
| 11/27/2008 | US20080292488 Method for preparing a metallic article having an other additive constituent, without any melting |
| 11/26/2008 | EP1995353A1 METHOD OF REMOVING/CONCENTRATING METAL-FOG-FORMING METAL PRESENT IN MOLTEN SALT, APPARATUS THEREFOR, AND PROCESS AND APPARATUS FOR PRODUCING Ti OR Ti ALLOY BY USE OF THEM |
| 11/26/2008 | EP1995005A1 Low oxygen refractory metal powder for powder metallurgy field and background of the invention |
| 11/26/2008 | CN201154984Y Magnesium addition ladle inner crucible for producing spongy titanium |
| 11/26/2008 | CN100436614C Methods to reduce hydrosulphide and arsine emissions during wet ore processing |
| 11/26/2008 | CN100436613C Heater furnace to produce titanium sponge by combination method |
| 11/26/2008 | CN100436601C Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 11/25/2008 | US7455713 Cavitation process for titanium products from precursor halides |
| 11/19/2008 | CN201151738Y Reducing distillation reactor |
| 11/19/2008 | CN201150845Y Chlorine mixing device |
| 11/19/2008 | CN101307386A Process for smelting titan dregs in ore-smelting furnace and device |
| 11/18/2008 | CA2302712C Process for the preparation of high grade synthetic rutile and pig iron |
| 11/13/2008 | WO2008136277A1 Process for production of ferromolybdenum and ferromolybdenum |
| 11/12/2008 | EP1990593A1 Crucibles For Melting Titanium Alloys |
| 11/12/2008 | EP1989336A1 Reactor primarily intended for titanium production |
| 11/12/2008 | EP1789609A4 Electrochemical reduction of metal oxides |
| 11/12/2008 | CN101302630A Method for preparing metal by means of solid oxide electrolytic cell |
| 11/05/2008 | EP1988350A1 Reinforced Refractory Crucibles For Melting Titanium Alloys |
| 11/05/2008 | CN101298340A Process for producing niobium suboxide |
| 11/05/2008 | CN100430525C Electrochemical powder decomposing method and eleclrotyzer adapted for same |
| 11/04/2008 | US7445658 Titanium and titanium alloys |
| 10/30/2008 | US20080264208 Liquid injection of VCI4 into superheated TiCI4 for the production of Ti-V alloy powder |
| 10/29/2008 | EP1287172B1 High purity niobium and products containing the same, and methods of making the same |
| 10/29/2008 | CN101294242A Method for extracting multi-metallic element from high chromium vanadium titanium octahedral iron ore |
| 10/28/2008 | US7442351 Process to produces solutions to be used as coating agents in photo-catalytic and transparent films |
| 10/22/2008 | EP1983066A1 Method of recovering molybdenum, nickel, cobalt or their mixtures from spent or regenerated catalysts |
| 10/22/2008 | EP1563932B1 Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein |
| 10/22/2008 | CN101292052A 含钛矿物的精选 Featured titanium-containing minerals |
| 10/22/2008 | CN101289705A Process for abstracting vanadium from iron-smelting waste slag of vanadium ¿Ccontaining iron ore |
| 10/22/2008 | CN101289703A Process for extracting vanadium form oxygen tension pickle liquor of high ferro vanadium-containing stone coal |
| 10/16/2008 | US20080253945 Comprises tubular reactor with continuous serpentine path; comprises pretreated feedstock including ilmenite, leueoxene, or titania slag leached with hot hydrochloric acid |
| 10/16/2008 | US20080250901 Supplying titanium chloride gas to molten calcium chloride liquid; reduction to titanium; solidification to ingot |
| 10/15/2008 | EP1546420B1 A separation process |
| 10/15/2008 | CN101285132A Process for clearly extracting vanadium form vanadium-containing carbonaceous shale |
| 10/15/2008 | CN101285122A Self-propagating combustion cyclonic reactor |
| 10/15/2008 | CN100425712C Technique for extracting vanadium pentoxide by the pulp resin method |
| 10/14/2008 | US7435282 Elemental material and alloy |
| 10/09/2008 | WO2008119695A1 Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts |
| 10/09/2008 | CA2682532A1 Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts |
| 10/08/2008 | CN201128751Y Adjusting device for reduction distillatory |
| 10/08/2008 | CN101280369A Method for recovering high-purity molybdenum from molybdenum-containing dead catalyst |
| 10/07/2008 | US7431782 Tantalum metal having a purity of at least about 99.995%, and an average grain size of about 150 microns or less; useful as a sputtering target and its use in electrical components such as capacitors |
| 10/02/2008 | WO2008073827A3 Fusion process using an alkali metal metalate |
| 10/01/2008 | EP1974783A1 Treatment of molybdate containing waste streams |
| 10/01/2008 | EP1733063A4 Production of titania |
| 10/01/2008 | CN101278063A Thermal and electrochemical process for metal production |
| 10/01/2008 | CN101277775A 硼化钛 Titanium diboride |
| 10/01/2008 | CN101275187A Process for extracting vanadium by stone coal wet method |
| 10/01/2008 | CN100422360C Preparation of alloys by the armstrong method |
| 09/30/2008 | US7429364 Production of titania |
| 09/25/2008 | WO2008115063A1 Treatment of molybdate containing waste streams |
| 09/25/2008 | WO2008063986A3 System and method for conversion of molybdenite to one or more molybdenum oxides |
| 09/25/2008 | US20080233420 Production of high-purity tantalum flake powder |
| 09/25/2008 | DE10297448B4 Verfahren zur Herstellung von Tantal- und/oder Niobpulvern mit hoher Oberflächenkennzahl A process for the production of tantalum and / or niobium powders having a high specific surface area |
| 09/24/2008 | CN101270419A Preparing technique for extracting molybdenum from chemical fertilizer catalyst |
| 09/24/2008 | CN101270418A Titanium sponge preparation technique and titanium sponge reaction furnace |
| 09/24/2008 | CN100420759C Method for removal of metal from aqueous solution using lime precipitation |
| 09/17/2008 | EP1191113B1 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material |
| 09/17/2008 | CN101268205A Reduction method |
| 09/17/2008 | CN101268204A Process for producing Ti and apparatus therefor |
| 09/17/2008 | CN101265524A Method for extracting V2O5 from stone coal |
| 09/17/2008 | CN101265523A Technique for extracting vanadium pentoxide by stone coal ore rotary kiln calcium-process roasting |
| 09/17/2008 | CN101265522A Technique for extracting vanadium pentoxide by tunnel kiln calcification roasting |
| 09/17/2008 | CN101265521A Method for preparing acid-soluble titanium slag by Panzhihua titanium concentrate |
| 09/12/2008 | WO2008107120A1 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 |
| 09/10/2008 | CN101260462A Stone coal vanadium-extracting leaching technique |
| 09/10/2008 | CN101260459A Stone coal vanadium-extracting roasting technique |
| 09/03/2008 | CN101254948A Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 09/03/2008 | CN100415907C Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 09/03/2008 | CN100415904C Production of titania |
| 08/28/2008 | WO2008102520A1 Apparatus for producing metal by molten salt electrolysis, and process for producing metal using the apparatus |
| 08/28/2008 | WO2008101283A1 Electrochemical reduction of metal oxides |
| 08/28/2008 | WO2007027466A3 Production of fine grain micro-alloyed niobium sheet via ingot metallurgy |
| 08/27/2008 | CN101250627A Heating apparatus for producing titanium sponge in distillation reactor |
| 08/26/2008 | US7416697 Method for preparing a metallic article having an other additive constituent, without any melting |
| 08/21/2008 | US20080199348 Titanium produced by reduction of titanium tetrachloride by a stream of liquid of sodium in excess of stoichiometric sufficient to maintain substantially all the reactive products below the sintering temperatures |
| 08/20/2008 | EP1957684A2 Reduction method |
| 08/20/2008 | EP1957683A2 Thermal and electrochemical process for metal production |
| 08/20/2008 | CN101248217A Method for electrolysis of molten salt, electrolytic cell, and process for producing ti using said method |
| 08/20/2008 | CN101248196A Operating titanium precipitation process |
| 08/20/2008 | CN101245417A Method for recycling tungsten from waste liquor with macroreticular weakly base resin |
| 08/20/2008 | CN101245412A Internally heating apparatus and manufacturing method thereof |
| 08/19/2008 | US7413726 Vapor phase hydrolysis of titanium tetrachloride in aerosol reactor, collecting anatase powder and calcining; economical, low temperature operation |
| 08/19/2008 | CA2363113C Endothermic heat treatment of solids loaded on trolleys moving in a kiln |
| 08/14/2008 | US20080190243 Method for producing molybdenum metal and molybdenum metal |