| Patents for C22B 34 - Obtaining refractory metals (6,435) |
|---|
| 01/18/2007 | WO2007007498A1 High-purity hafnium, target and thin film comprising high-purity hafnium, and process for producing high-purity hafnium |
| 01/17/2007 | EP1743949A1 Production of high-purity zirconium or hafnium metal and powder for target and film applications |
| 01/17/2007 | EP1651785B1 A process for recovering platinum group metals from ores and concentrates |
| 01/17/2007 | CN1898401A Production of titania |
| 01/17/2007 | CN1896326A Method of removal of substance from solid compound m i x of substance x and metal or semi-metal m i and solid solutions by electrolysis in a fused salt |
| 01/11/2007 | US20070006989 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 01/10/2007 | EP1627085B1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 01/10/2007 | CN1894440A Electrochemical reduction of metal oxides |
| 01/10/2007 | CN1894427A Separation system, method and apparatus |
| 01/03/2007 | CN1888101A Direct titanium alloy producing process with titanium containing mineral |
| 01/02/2007 | US7157406 Catalysts or carriers which consist essentially of monoclinic zirconium dioxide |
| 01/02/2007 | US7157063 Process for the utilization of vanadium from chromium ore as vanadium (V) oxide |
| 01/02/2007 | US7156974 Reducing shaped titanium oxide bodies to titanium sponge in an electrolytic cell containing a molten electrolyte including cations of a metal that is capable of reducing titanium oxide (e.g., Ca cations); and reducing the volume of the bodies to form semi-finished or ready-to-use products |
| 12/28/2006 | WO2006136948A2 Chemical beneficiation of raw material, containing tantalum-niobium |
| 12/28/2006 | US20060292049 Process for producing rutile |
| 12/28/2006 | CA2596708A1 Chemical beneficiation of raw material, containing tantalum-niobium |
| 12/27/2006 | EP1736557A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY THROUGH Ca REDUCTION |
| 12/27/2006 | CN1884597A Baking composite additive with sodium for extracting vanadium |
| 12/27/2006 | CN1883762A Method for treating tail gas in acidolysis main reaction in sulfuric acid method titanium pigment production |
| 12/27/2006 | CN1292083C Method for producing high titanium iron |
| 12/20/2006 | EP1733063A1 Production of titania |
| 12/20/2006 | CN1882711A High purity hafnium, target and thin film comprising said high purity hafnium, and method for producing high purity hafnium |
| 12/20/2006 | CN1879990A Metal-rich component manufacturing method and titanium alloy powder prepared thereby |
| 12/19/2006 | CA2113319C Carbon burn-off process |
| 12/14/2006 | US20060278040 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 12/13/2006 | EP1644544B1 Method for the production of metal powders or metal hydride powders of the elements ti, zr, hf, v, nb, ta and cr |
| 12/12/2006 | US7147832 Combining zirconium species, sulfate ion species, and hydrogen peroxide to provide acidic peroxide solution containing zirconium and sulfate, agitating to form precipitate, separating and washing |
| 12/06/2006 | CN1874961A A process to obtain titanium concentrates with high contents of TiO2 and low contents of radionuclide elements from anatase mechanical concentrates |
| 12/06/2006 | CN1872701A Method for picking up vanadium pentexide from layer silicate without oxidation in furnace |
| 12/05/2006 | US7144493 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor |
| 11/30/2006 | US20060266158 High purity hafnium, target and thin film comprising said high purity hafnium, and method for producing high purity hafnium |
| 11/29/2006 | EP1726689A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY REDUCTION OF Ca |
| 11/29/2006 | EP1726386A2 Method for making and using a rod assembly as feedstock material in a smelting process |
| 11/29/2006 | CN1871363A Use of TiO2 residues from a sulfate method |
| 11/29/2006 | CN1869259A Open direct-cooling condensation technology for vacuum distillation of reduction distillation furnace |
| 11/22/2006 | EP1724376A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY Ca REDUCTION |
| 11/22/2006 | CN1867702A Thermal and electrochemical process for metal production |
| 11/22/2006 | CN1865463A Ion exchange process for preparing ammonium tungstate solution |
| 11/22/2006 | CN1865460A Method for extracting vanadium,molybdenum,nickel,cobalt,aluminium from waste aluminium base catalyst |
| 11/22/2006 | CN1285771C Extraction of metals |
| 11/22/2006 | CN1285769C Electrochemical decomposition method for high-temp. alloy |
| 11/22/2006 | CN1285743C Method for recovering titanium dioxide from titanium dioxide bearing materials like steel making slags |
| 11/21/2006 | US7138004 Production process for niobium powder |
| 11/21/2006 | US7137436 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 11/16/2006 | US20060258531 Method for manufacturing hydrorefining catalyst, and metal recovery method |
| 11/08/2006 | CN1283829C Method of producing sponge titanium by using titanium hydride powder titanizing in new reactor |
| 11/07/2006 | US7132005 Molybdenum metal |
| 11/01/2006 | CN1856444A Process for producing rutile |
| 10/26/2006 | US20060236894 Use of tio2 residues from a sulfate method |
| 10/26/2006 | US20060236811 Thermal and electrochemical process for metal production |
| 10/25/2006 | CN2830416Y Still pipeline on reactor cover for preparing sponge Ti and heater thereof |
| 10/25/2006 | CN1852997A Methods and apparatuses for producing metallic compositions via reduction of metal halides |
| 10/25/2006 | CN1852864A Process for the recovery of titanium dioxide from titanium-containing compositions |
| 10/25/2006 | CN1851015A Apparatus for making sponge iron by direct-cooled combination method |
| 10/19/2006 | US20060233686 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 |
| 10/19/2006 | US20060230878 producing Ti or Zr or alloys from a chloride of Ti or Zr, by reduce reaction with sodium or potassium metal; exothermic reaction and sufficient heat to vaporize all the excess reducing metal, and separating the vapor of the reducing metal from the particulate Ti or Zr or alloys products; cost efficiency |
| 10/19/2006 | US20060230877 Anodes; has high specific capacitance and low leakage current, and exhibits excellent reliability for prolonged periods of time. |
| 10/18/2006 | EP1711289A1 Method and apparatus for perimeter cleaning in cold hearth refining |
| 10/17/2006 | US7122164 Having significant activity for multivalent cations; useful for removing a contaminant metal ion from a contaminated solution |
| 10/12/2006 | WO2006105614A1 Improved titanium precipitation process |
| 10/12/2006 | WO2006105613A1 Improved metal extraction |
| 10/12/2006 | WO2006105612A1 Operating titanium precipitation process |
| 10/12/2006 | WO2006105611A1 Titanium intermediate processing |
| 10/12/2006 | US20060226027 Electrochemical reduction of metal oxides |
| 10/11/2006 | EP1709219A2 Nanofibers, and apparatus and methods for fabricating nanofibers by reactive electrospinning |
| 10/11/2006 | CN1279194C Method for producing metal, semimetal, and alloy and raw materials used therein |
| 10/11/2006 | CN1278804C Process for preparing Nb and/or Ta powder |
| 10/05/2006 | WO2006103944A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY, AND PULL-UP ELECTROLYSIS METHOD APPLICABLE TO SAID PROCESS |
| 10/05/2006 | WO2006082484A3 Reduction of copper content in the molybdenite concentrate |
| 10/05/2006 | WO2006079887A3 A method of producing titanium |
| 10/05/2006 | US20060219055 Valve metal powders |
| 10/05/2006 | US20060219053 Method and apparatus for producing metal |
| 10/05/2006 | CA2602801A1 Process for producing ti or ti alloy, and pull-up electrolysis method applicable to said process |
| 10/04/2006 | CN1842617A Electrochemical reduction of metal oxides |
| 09/28/2006 | WO2006101850A1 Method of preparing primary refractory metal |
| 09/28/2006 | CA2603012A1 Method of preparing primary refractory metal |
| 09/21/2006 | WO2006098199A1 Method of high-melting-point metal separation and recovery |
| 09/21/2006 | WO2006098055A1 Method for separating and recovering high melting point metal |
| 09/21/2006 | CA2601113A1 Method of high-melting-point metal separation and recovery |
| 09/20/2006 | CN1276104C Deep-purifying detinning method of sodium tungstate solution |
| 09/19/2006 | US7108840 Method for manufacturing nanophase TiC-based composite powders by metallothermic reduction |
| 09/19/2006 | CA2248975C A process for the production titanium concentrate having a chemical composition similar to ilmenite from highly impure anatase ores |
| 09/13/2006 | CN1831163A Reactor for producing sponge titanium |
| 09/08/2006 | WO2006092615A1 Electrochemical method and apparatus for removing oxygen from a compound or metal |
| 09/07/2006 | US20060198773 Method for Suppressing the Leachability of Certain Metals |
| 09/07/2006 | US20060196585 Additives for Suppressing Tungsten Leachability |
| 09/07/2006 | US20060196308 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 09/06/2006 | CN1829807A Highly pure hafnium material, target and thin film comprising the same and method for producing highly pure hafnium |
| 09/06/2006 | CN1827806A Method for extracting tungsten and other rare metals from waste hard alloy |
| 09/06/2006 | CN1273627C Fluidized bed chloride method for obtaining metal oxide concentrate |
| 09/05/2006 | US7102229 Capacitor containing high purity tantalum |
| 08/31/2006 | US20060191799 Electrochemical reduction of metal oxides |
| 08/31/2006 | US20060191372 Method and apparatus for the production of metal compounds |
| 08/30/2006 | EP1425439A4 Method of manufacturing titanium and titanium alloy products |
| 08/30/2006 | CN1272125C Low oxygen refractory metal powder for powder metallurgy |
| 08/24/2006 | WO2006027612A3 Improved electro-deoxidation method, apparatus and product |
| 08/24/2006 | US20060188419 Method for production of alkali metal chromates |
| 08/17/2006 | WO2006084318A1 Supplying solid electrolyte to an electrolytic cell |
| 08/17/2006 | US20060183958 Process for the treatment of waste metal chlorides |
| 08/17/2006 | US20060180462 Minimising carbon transfer in an electrolytic cell |