| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 11/21/2007 | CN200977487Y Feeding cone |
| 11/21/2007 | CN100350057C Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 11/15/2007 | WO2007130483A2 Tantalum powder with smooth surface and methods of manufacturing same |
| 11/15/2007 | WO2007097823A3 Thermal and electrochemical process for metal production |
| 11/14/2007 | EP1747297B1 Method for reducing cr in metallurgical slags containing cr |
| 11/14/2007 | CN200974862Y Titanic chloride gasification apparatus for producing titanium sponge by magnesium process |
| 11/14/2007 | CN200974861Y Retort cap for producing titanium sponge by magnesium process |
| 11/14/2007 | CN101069807A Method for purifying vanadium-contained stone coal sodium calcinating smoke |
| 11/14/2007 | CN100348751C Treatment method of high alkali concentration sodium tungstate solution |
| 11/08/2007 | WO2007127482A2 Methods for producing consolidated and purified materials |
| 11/08/2007 | WO2007127028A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 11/08/2007 | US20070256931 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor |
| 11/07/2007 | EP1851349A2 A method of producing titanium |
| 11/07/2007 | CN101068955A Electrochemical reduction for metal oxide |
| 11/07/2007 | CN101067169A Molybdenum vanadium multimetal metallurgical material resolving method |
| 11/07/2007 | CN100347318C Method for separating and recovering cobalt and molybdic from waste cobalt-molybdic catalyst |
| 11/01/2007 | WO2007122366A1 Co-production of steel, titanium and high grade oxide |
| 10/31/2007 | CN101065506A Method for recovering titanium tetrachloride from a waste liquid |
| 10/24/2007 | CN200964434Y Cooling device for metallic titanium reactor |
| 10/24/2007 | CN101061242A Low temperature industrial method |
| 10/24/2007 | CN101058853A Method of reclaiming chemical industry products by using industrial slag containing vanadium, chromium, iron and phosphorous |
| 10/17/2007 | EP1845325A1 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus |
| 10/17/2007 | EP1844171A2 A low cost process for the manufacture of near net shape titanium bodies |
| 10/17/2007 | CN200961145Y Combination furnace distillation channel vertical pipe sealing device |
| 10/17/2007 | CN101054635A Method for extracting vanadium pentoxide from Stone-like coal vanadium ore and special device for the same |
| 10/17/2007 | CN101054634A Stone-like coal salt-free roasting low-alkali leaching solution complementarity oxidation vanadium extracting technique |
| 10/17/2007 | CN101054630A Integrated treatment method for the three wastes generated form method of extracting vanadium pentoxide from stone-like coal navajoite |
| 10/17/2007 | CN101054628A Technique for extracting titanium slag form red mud |
| 10/17/2007 | CN100343400C Detinning method of tungstate solution |
| 10/16/2007 | US7282187 Separating and removing fluorine values from the starting material;leaching to solubilize metal values contained in the remaining material and generate an aqueous solution comprising solubilized metal values; extracting a solubilized metal value from aqueous solution |
| 10/10/2007 | EP1776491A4 Production of titanium |
| 10/10/2007 | CN101052732A Method and device for producing titanium dioxide slag from ilmenite |
| 10/10/2007 | CN101052488A Valve metal powder deoxidizing |
| 10/04/2007 | WO2007109847A1 Apparatus and methods for the production of metal compounds |
| 10/04/2007 | US20070227307 Charging a chromium(Cr)-containing liquid slag onto an iron bath; increasing the carboncontent and suppling energy; tapping the liquid slag having a Cr content of about 0.1% weight after reduction of the Cr; cooling and lowering the carbon content to <1%;leaving the remaining slag for the next melt |
| 10/04/2007 | US20070227305 Valve metal powders, niobium, tantalum, having a large specific surface area; particles display a high stability; antiagglomerants; reduction of the oxide powders by reducing metal vapors and/or hydrides in an inert carrier gas; anodes for electrolyte capacitors with high high specific capacity |
| 10/04/2007 | CA2644430A1 Apparatus and methods for the production of metal compounds |
| 10/03/2007 | EP1838884A2 Pretreatment of refractory titaniferous ores |
| 10/03/2007 | CN101048518A Process for producing ti through ca reduction and apparatus therefor |
| 10/03/2007 | CN100340365C Preparation of low-temperature primary sintering high-density superfine crystal particle pure tungsten material |
| 09/27/2007 | US20070224096 Tungstic Acid Powder Consisting of Spherical Tungsten Particles and Method for Producing Same |
| 09/20/2007 | WO2007105616A1 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 |
| 09/20/2007 | CA2645103A1 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 |
| 09/19/2007 | EP1834003A1 Method for recovering titanium tetrachloride from a waste liquid |
| 09/12/2007 | EP1329526B1 Method for producing high-purity zirconium and hafnium for sputtering targets |
| 09/12/2007 | CN100336924C Method for preparing primary titanium-rich material from high calcium-magnesium-titanium headings |
| 09/07/2007 | WO2007099315A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 09/07/2007 | CA2642968A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 09/05/2007 | EP1827739A1 Production of valve metal powders |
| 09/05/2007 | EP1257678B1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 09/05/2007 | CN101029356A Separating ruthenium and tantalum from ruthenium-tantalum alloy |
| 09/04/2007 | US7264765 Method and apparatus for smelting titanium metal |
| 09/04/2007 | CA2484331C Method of purifying metal salt, method of deacidifying titanium material and method of producing the same |
| 08/30/2007 | CA2621464A1 Thermal and electrochemical process for metal production |
| 08/23/2007 | WO2007093135A1 Reactor primarily intended for titanium production |
| 08/23/2007 | WO2007046975A3 Titaniferous ore beneficiation |
| 08/23/2007 | US20070193411 reacting TiCl4 with Ca in the molten salt cacl2; chlorination step of reacting Cl2 by-product from electrolysis, with TiO2 to generate TiCl4; cost saving by eliminate the need of replenishment of expensive metallic Ca; continuous operation with no need to handle the highly reactive Ca |
| 08/22/2007 | CN101023203A Electrochemical reduction of metal oxides |
| 08/22/2007 | CN101020970A Process of extracting Cr-V oxide from high Cr, V and magnetite ore |
| 08/22/2007 | CN101020936A V-Ti magnetite reducing process |
| 08/21/2007 | US7258847 Recovery of titanium from titanium bearing materials |
| 08/21/2007 | US7258722 Process for manufacturing ultra fine TiC-transition metal-based complex powder |
| 08/16/2007 | US20070187255 Method for producing ti or ti alloy through reduction by ca |
| 08/15/2007 | EP1405924B1 Method for producing granular metal |
| 08/15/2007 | EP1090153B1 Method of producing high purity tantalum for sputtering targets |
| 08/15/2007 | CN2934267Y Reactor roof board |
| 08/15/2007 | CN2934266Y Automatic argon filling device during cooling process of titanium sponge product |
| 08/15/2007 | CN101018894A Production of titanium |
| 08/14/2007 | US7255795 Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium |
| 08/09/2007 | US20070181438 electrochemically reducing titania and sintering to form a morphology of reduced titanium; agitating the electrolyte slurry using electrolytic cells; supplying pellets, powders of metal oxide and CaCL2-based electrolyte; agglomerating the particles |
| 08/09/2007 | US20070181435 Method for producing ti or ti alloy through reduction by ca (as amended) |
| 08/08/2007 | EP1816221A1 PROCESS FOR PRODUCING Ti THROUGH Ca REDUCTION AND APPARATUS THEREFOR |
| 08/08/2007 | CN101014722A Continuous process |
| 08/08/2007 | CN101014721A Industrial process |
| 08/01/2007 | CN1329537C Method for reducing chromium containing raw material |
| 08/01/2007 | CN101008048A Highly effective composite basic additive for extracting vanadium and synchronously fixing chlorine |
| 07/25/2007 | EP1680521A4 Production of titania |
| 07/25/2007 | CN1328409C High purity niobium and products containing the same, and methods of making the same |
| 07/25/2007 | CN1328396C Method for extracting vanadium, molybdenum, nickel, cobalt, aluminium from waste aluminium base catalyst |
| 07/25/2007 | CN101006204A Electrochemical reduction of metal oxides |
| 07/25/2007 | CN101003861A Method and equipment for producing high-purified titanium |
| 07/25/2007 | CN101003858A Method for recovering valuable metal from v, mo, and nickel-containing waste |
| 07/25/2007 | CN101003855A Technique for extracting vanadium pentoxide by the pulp resin method |
| 07/19/2007 | US20070167321 Method for recovering molybdenum and method for preparing catalyst |
| 07/18/2007 | EP1807352A1 Preparation of tio2 powders from a waste liquid containing titanium compounds |
| 07/18/2007 | EP1483431B1 Minimising carbon transfer in an electrolytic cell |
| 07/11/2007 | CN1997595A Method for producing titanium dioxide according to the sulfate process |
| 07/10/2007 | CA2408994C Thermal synthesis apparatus and method |
| 07/05/2007 | WO2007073574A1 Molybdenum purification method |
| 07/05/2007 | WO2007031246A3 Reduction method |
| 07/04/2007 | EP1802412A1 Method for the production of valve metal powders |
| 07/04/2007 | CN1993196A Method for the production of niobium and tantalum powder |
| 06/28/2007 | US20070148066 Process to obtain titanium concentrates with high contents of tio2 and low contents of radionuclide elements from anatase mechanical concentrates |
| 06/20/2007 | EP1797206A1 Agglomeration of titania |
| 06/20/2007 | EP1680532A4 Electrochemical reduction of metal oxides |
| 06/20/2007 | CN1982506A Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 06/19/2007 | CA2257774C Melting of reactive metallic materials |
| 06/14/2007 | US20070131560 electrochemically reducing titania and sintering to form a morphology of reduced titanium; agitating the electrolyte slurry using electrolytic cells; supplying pellets, powders of metal oxide and CaCL2-based electrolyte |
| 06/14/2007 | US20070131058 Process for recovering platinum group metals from ores and concentrates |
| 06/14/2007 | US20070131057 Method for producing ti or ti alloy through reduction by ca |