| Patents for C22B 34 - Obtaining refractory metals (6,435) |
|---|
| 07/07/2005 | US20050145064 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 07/06/2005 | EP1549779A2 Method to recover spent components of a sputter target |
| 06/30/2005 | US20050142051 Process for the recovery of titanium in mixed chloride media |
| 06/30/2005 | US20050139483 Method of purifying metal salt, method of deacidifying titanium material and method of producing the same |
| 06/30/2005 | DE10260737B4 Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen Method and apparatus for heat treatment of titanium-containing solids |
| 06/29/2005 | EP1546420A1 A separation process |
| 06/29/2005 | CN1633511A High-purity spongy titanium material and its production method |
| 06/28/2005 | CA2233137C Titanium-base powders and process for the production of the same |
| 06/23/2005 | WO2005056844A1 Method for producing a high-purity titanium tetrafluoride from natural titanium-containing concentrates and/or titanium metallic chips, method for producing an electolytically pure titanium powder and the high-purity chemical compounds thereof |
| 06/23/2005 | WO2005017233A3 Insulated cold hearth for refinning metals having improved thermal efficiency |
| 06/23/2005 | WO2005014867A3 Use of tio2 residues from a sulfate method |
| 06/23/2005 | US20050135991 mixture of calcined petroleum coke and carbon anode butts which is the by-product of carbon anodes during the electrolytic production of aluminum; fluidized in a fluidized bed; used as halogenation catalyst for producing titanium tetrachloride |
| 06/22/2005 | EP1543172A2 Purification of electrochemically deoxidised refractory metal particles by heat processing |
| 06/16/2005 | WO2005023725A3 Ceramics and methods of producing ceramics |
| 06/15/2005 | EP1541716A1 Porous sintered compact of titanium oxide for production of metallic titanium through direct electrolytic process and process for producing the same |
| 06/15/2005 | EP1541261A1 Low oxygen refractory metal powder for powder metallurgy |
| 06/15/2005 | EP1539399A2 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 06/15/2005 | EP1539320A2 Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane |
| 06/15/2005 | CN1206377C V2O3 electro-aluminothermic process for smelting FeV |
| 06/09/2005 | WO2005051580A1 Method for producing molybdenum metal and molybdenum metal |
| 06/09/2005 | WO2005038060A8 Production of titania |
| 06/09/2005 | US20050123459 Method of purifying niobium compound and/or tantalum compound |
| 06/08/2005 | EP1537248A1 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 06/07/2005 | US6902601 Combining a precursor material (halide of an elmental material) with a reducing gas, to form an elemental material and a first reaction product, exposing the first reaction product to a reductant material to form a reductant halide |
| 06/02/2005 | WO2005049882A1 High purity hafnium, target and thin film comprising said high purity hafnium, and method for producing high purity hafnium |
| 06/02/2005 | WO2005049872A1 Process for the recovery of titanium in mixed chloride media |
| 06/02/2005 | US20050118082 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores |
| 06/02/2005 | US20050115364 Purification method for producing high purity niobium compound and/or tantalum compound |
| 06/01/2005 | EP1390299A4 Autoclave control mechanisms for pressure oxidation of molybdenite |
| 06/01/2005 | CN1203950C Method for preparing molybednum powder |
| 05/26/2005 | WO2005046912A1 Method for producing metallic tantalum or niobium |
| 05/25/2005 | DE10350959A1 Recovery of metallic elements, especially Cr from metal-containing slags used in the production of Cr-containing steels |
| 05/25/2005 | CN1618522A Method for sorting raw menakanite |
| 05/19/2005 | WO2005028369B1 Process for the recovery of titanium dioxide from titanium-containing compositions |
| 05/17/2005 | US6893513 For producing components of sputtering targets, capacitor cans, resistive film layers, wire |
| 05/12/2005 | WO2005042792A1 Filter extraction mechanism |
| 05/12/2005 | WO2005042791A1 Method for decontaminating material containing hexavalent chrome |
| 05/12/2005 | WO2005042405A1 A PROCESS TO OBTAIN TITANIUM CONCENTRATES WITH HIGH CONTENTS OF TiO2 AND LOW CONTENTS OF RADIONUCLIDE ELEMENTS FROM ANATASE MECHANICAL CONCENTRATES |
| 05/12/2005 | US20050097991 Reacting gaseous metal halide with reducing agent (hydrogen); solidification; chemical vapor deposition; alloying; for producing titanium particles and alloys for use in powder metallurgy applications |
| 05/12/2005 | CA2543740A1 A process to obtain titanium concentrates with high contents of tio2 and low contents of radionuclide elements from anatase mechanical concentrates |
| 05/11/2005 | CN1614048A Preparation of low-temperature primary sintering high-density superfine crystal particle pure tungsten material |
| 05/10/2005 | CA2077441C Production of synthetic rutile |
| 05/06/2005 | WO2005040436A1 Method for processing heavy metal chloride residues |
| 05/05/2005 | US20050092129 Positioning protective membrane permeable to oxygen anions but impermeable to carbon in ionic and nonionic forms |
| 05/04/2005 | CN1612944A Process for the treatment of molybdenum concentrate |
| 04/28/2005 | WO2005038092A1 Electrochemical reduction of metal oxides |
| 04/28/2005 | WO2005038060A1 Production of titania |
| 04/28/2005 | WO2005021807A3 Separtion system, method and apparatus |
| 04/26/2005 | US6884279 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 04/21/2005 | WO2005035807A1 Methods and apparatuses for producing metallic compositions via reduction of metal halides |
| 04/21/2005 | WO2005035806A1 METHOD FOR PRODUCING Ti OR Ti ALLOY THROUGH REDUCTION BY Ca |
| 04/21/2005 | WO2005035805A1 METHOD FOR PRODUCING Ti OR Ti ALLOY TROUGH REDUCTION BY Ca |
| 04/21/2005 | WO2004095501A3 Molybdenum alloy x-ray targets having uniform grain structure |
| 04/21/2005 | US20050081682 Method and apparatus for controlling the size of powder produced by the Armstrong Process |
| 04/14/2005 | WO2005033363A1 Fluid barriers |
| 04/13/2005 | EP1521851A2 Direct production of refined metals and alloys |
| 04/13/2005 | EP1458897B1 Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores |
| 04/13/2005 | EP1165846B1 Endothermic heat treatment of solids loaded on trolleys moving in a kiln |
| 04/07/2005 | US20050072735 Purification of ammonium metallate solutions |
| 04/06/2005 | EP1519805A1 Method for preparing metallic alloy articles without melting |
| 04/06/2005 | EP1519804A1 Method for fabricating a metallic article without any melting |
| 03/31/2005 | WO2005028369A1 Process for the recovery of titanium dioxide from titanium-containing compositions |
| 03/31/2005 | WO2005028368A1 Process for producing rutile |
| 03/31/2005 | WO2005028145A2 Method, apparatus and system for segregating salt from metal powder |
| 03/30/2005 | CN1602363A Method for producing titanium oxide containing slag |
| 03/24/2005 | WO2005026398A2 Nanofibers, and apparatus and methods for fabricating nanofibers by reactive electrospinning |
| 03/24/2005 | WO2005026397A2 Process and plant for the heat treatment of solids containing titanium |
| 03/24/2005 | US20050061109 pelletizing metal or alloy containing oxide film of base metal, with a reducing agent, to form the pellets; treating the pellets in a vacuum with a reducing agent to react with oxide film without sublimation of the metal or alloy and eliminating the surface layer from the particle |
| 03/24/2005 | CA2536990A1 Process and plant for the heat treatment of solids containing titanium |
| 03/23/2005 | CN1597518A Purification of ammonium metallate solutions |
| 03/22/2005 | US6868896 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 03/17/2005 | WO2005024074A1 Process for extracting crystalline titanium oxides |
| 03/17/2005 | WO2005023725A2 Ceramics and methods of producing ceramics |
| 03/17/2005 | WO2004054686A3 Circumferential air knife and applications |
| 03/16/2005 | EP1514847A2 Purification of ammonium metallate solutions |
| 03/16/2005 | CN1596318A Materials processing method and apparatus |
| 03/10/2005 | WO2005021809A1 Method and apparatus for producing metal |
| 03/10/2005 | WO2005021807A2 Separtion system, method and apparatus |
| 03/10/2005 | WO2004076496A3 Process for making titanium dioxide |
| 03/10/2005 | US20050050989 Molten bath electrolyte, anode, cathode; applying potential to electrolytic cell; removing metal |
| 03/10/2005 | CA2537659A1 Separation system, method and apparatus |
| 03/10/2005 | CA2480755A1 Purification of ammonium metallate solutions |
| 03/09/2005 | EP1512475A1 Method for producing metal powder and formed product of raw material for metal |
| 03/08/2005 | US6863750 Having a purity of at least about 99.99% and an average grain size of about <150 microns; reducing a niobium compound in a container/agitator of a metal with less or the same vapor pressure at the melting point of niobium; sputtering target |
| 03/03/2005 | WO2005019501A2 Thermal and electrochemical process for metal production |
| 03/03/2005 | WO2005019485A1 Indexing separation system |
| 03/03/2005 | US20050048193 Impregnating polyurethane foam with slurry of metal particles comprising titanium, tantalum, nickel or alloy thereof; cobalt-chromium, stainless steels, zirconium, niobium and/or mixtures; drying and pyrolysis in presence of metal hydride particles; by-product inhibition; dentistry, prosthetics |
| 03/03/2005 | CA2782837A1 Thermal and electrochemical process for metal production |
| 03/01/2005 | US6861038 Ceramics and method of producing ceramics |
| 03/01/2005 | US6861030 Method of manufacturing high purity zirconium and hafnium |
| 02/24/2005 | WO2005017233A2 Insulated cold hearth for refinning metals having improved thermal efficiency |
| 02/24/2005 | DE10336650A1 Verwendung von TiO2-Rückständen aus dem Sulfatverfahren Use of TiO2 residues from the sulphate process |
| 02/24/2005 | DE10333156A1 Verfahren zur Herstellung von Niobsuboxid A process for the production of niobium suboxide |
| 02/23/2005 | EP1508550A1 Process for producing niobium suboxide |
| 02/23/2005 | EP1508390A1 Method and device for producing metal powder |
| 02/23/2005 | CN1585828A Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 02/22/2005 | US6858059 Electron beam melting method for metallic material |
| 02/17/2005 | WO2005014888A1 Oxide electrolyzing electrolysis device |
| 02/17/2005 | WO2005014867A2 Use of tio2 residues from a sulfate method |
| 02/17/2005 | US20050034561 Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall |