| Patents for C22B 34 - Obtaining refractory metals (6,435) |
|---|
| 11/09/2005 | CN1694973A A process for the production of niobium and/or tantalum powder with large surface area |
| 11/09/2005 | CN1226112C Niobium powder, sintered compact thereof and capacitor |
| 11/02/2005 | EP1590494A1 A method for increasing the chrome to iron ratio of chromites products |
| 11/02/2005 | EP0993419B1 A process for producing an aqueous solution comprising ferric chloride |
| 11/02/2005 | CN1691976A Process for reducing chromium nonvolatile residue resulting from air oxidation of cyclohexane |
| 10/27/2005 | DE10343662B4 Verfahren und Anlage zur Wärmebehandlung titanhaltiger Feststoffe Method and apparatus for heat treatment of titanium-containing solids |
| 10/26/2005 | EP1546420A4 A separation process |
| 10/26/2005 | EP1218553B1 Purification hearth |
| 10/26/2005 | CN1688731A Preparation of alloys by the armstrong method |
| 10/25/2005 | US6958257 Tantalum sputtering target and method of manufacture |
| 10/25/2005 | US6958115 Low temperature refining and formation of refractory metals |
| 10/25/2005 | CA2215324C Fast quench reactor and method |
| 10/19/2005 | EP1586665A1 Producing nickel-base cobalt-base iron-base iron-nickel-base or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting |
| 10/19/2005 | CN1685066A Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 10/19/2005 | CN1223424C Process for preparing niobic powder and/or tantalum powder |
| 10/18/2005 | US6955938 Tantalum sputtering target and method of manufacture |
| 10/18/2005 | US6955703 reacting titanium chloride with solid reducing agent within fluidized bed reactor |
| 10/13/2005 | US20050225014 Filter extraction mechanism |
| 10/12/2005 | EP1539320A4 Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane |
| 10/12/2005 | CN1681951A Process for separating Ti from a Ti slurry |
| 10/12/2005 | CN1681950A Screw device for transfer of Ti-containing reaction slurry into a vacuum vessel |
| 10/11/2005 | US6953120 Method of recovering metal and/or oxide thereof in a slurry and tailings obtained from said method |
| 10/11/2005 | US6953078 Method for forming consumable electrodes from metallic chip scraps |
| 10/06/2005 | US20050217428 Method and device for producing metal powder |
| 10/06/2005 | US20050217426 Furnishing nonmetallic precursor compounds comprising metallic-base nickel, cobalt, iron, iron-nickel, or iron-nickel-cobalt compounds, and alloying element, reducing precursor to produce initial metallic particle without melting the initial metallic particle; reduced incidence of ceramic inclusions |
| 10/06/2005 | US20050217421 Apparatus for plasma synthesis of metal oxide nanopowder |
| 10/06/2005 | DE10393407T5 Ein Verfahren zur Herstellung von Niob- und/oder Tantalpulver mit großer Oberfläche A process for the preparation of niobium and / or tantalum powder with large surface area |
| 10/05/2005 | EP1581672A1 Electrochemical reduction of metal oxides |
| 10/05/2005 | CN1678530A Method for purifying method salt, method of deoxidating titanium material and producing method for same |
| 09/29/2005 | WO2005090640A1 Electrochemical reduction of metal oxides |
| 09/29/2005 | WO2005090619A1 Production of titania |
| 09/28/2005 | EP1341939B1 Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags |
| 09/28/2005 | CN1675014A Method for preparing metallic alloy articles without melting |
| 09/21/2005 | CN1671871A A separation process |
| 09/15/2005 | WO2005085485A1 Device for magnesium-thermal titanium sponge production |
| 09/15/2005 | WO2005084850A1 Method and apparatus for perimeter cleaning in cold hearth refining |
| 09/15/2005 | WO2005068681A3 Cleaning tantalum-containing deposits from process chamber components |
| 09/15/2005 | WO2005019501A3 Thermal and electrochemical process for metal production |
| 09/15/2005 | WO2004058431A8 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 09/14/2005 | EP1572581A1 Process and tubular for recovery of chlorine from metal chlorides |
| 09/13/2005 | US6942715 Process for producing metallic titanium |
| 09/09/2005 | WO2005083135A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY THROUGH Ca REDUCTION |
| 09/07/2005 | EP1570114A2 Separation of metals |
| 09/07/2005 | EP1569736A2 Circumferential air knife and applications |
| 09/06/2005 | US6939509 Mixing metal particles with binder; compaction; removal binder with reducing gas; powder metallurgy |
| 09/01/2005 | WO2005080643A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY Ca REDUCTION |
| 09/01/2005 | WO2005080642A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY REDUCTION OF Ca |
| 09/01/2005 | WO2005079983A1 Method for recovering molybdenum and method for preparing catalyst |
| 08/31/2005 | EP1567449A2 Plasma synthesis of metal oxide nanopowder and apparatus therefor |
| 08/31/2005 | CN1217017C Method for receiving metallic chromium from slag contg. chromium oxide |
| 08/25/2005 | WO2005077573A1 Method for producing valve metal |
| 08/25/2005 | WO2005077572A1 Method for producing valve metal powder or lower oxide powder |
| 08/24/2005 | CN2719864Y Five-band four-tube reduction furnace |
| 08/24/2005 | CN1659294A Method of metal recovery |
| 08/24/2005 | CN1658991A Method for producing metal powder and formed product of raw material for metal |
| 08/24/2005 | CN1658990A Method for fabricating a metallic article without any melting |
| 08/18/2005 | US20050180911 Process for the isolation and purification of zirconium peroxosulfate and uses thereof |
| 08/18/2005 | US20050180903 leaching solid titaniferous material with leach solution containing sulfuric acid; forming a leach liquor that includes an acidic solution of titanyl sulfate and iron sulfate; precipitating titanyl sulfate; hydrolysing to hydrated titanium oxides ; calcining |
| 08/17/2005 | EP1563932A1 Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein |
| 08/17/2005 | EP1563107A1 Production of titania |
| 08/17/2005 | CN1655897A Method and device for producing metal powder |
| 08/16/2005 | US6929786 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent |
| 08/11/2005 | US20050175496 Method of reclaiming contaminated metal |
| 08/11/2005 | US20050173847 Method and apparatus for perimeter cleaning in cold hearth refining |
| 08/10/2005 | EP1561531A1 Niobium powder, process for producing the same and solid electrolytic capacitor therefrom |
| 08/10/2005 | CN1214122C Titanic iron ore separating process |
| 08/04/2005 | US20050166706 Thermal and electrochemical process for metal production |
| 08/03/2005 | EP1559682A1 Method of purifying metal salt, method of deacidifying titanium material and method of producing the same |
| 08/03/2005 | EP1558774A1 Method and device for carrying out a tribochemical reaction |
| 08/03/2005 | EP1558772A1 Production of titania |
| 08/03/2005 | EP1558771A1 Production of titania |
| 08/03/2005 | EP0527811B2 A process and plant for the preparation of alkaline chromates from chromium minerals |
| 08/03/2005 | CN1650052A Minimising carbon transfer in an electrolytic cell |
| 08/03/2005 | CN1650051A Reduction of metal oxides in an electrolytic cell |
| 07/28/2005 | WO2005068687A2 A carbonaceous reductant and a process for using the carbonaceous reductant |
| 07/28/2005 | WO2005068681A2 Cleaning tantalum-containing deposits from process chamber components |
| 07/28/2005 | WO2005068668A1 CONVERSION OF Ta2O5 TO Ta METAL |
| 07/28/2005 | US20050161121 Chemically depassivating zirconium metal with hydrofluoric acid to improve the ability of molten magnesium/magnesium alloy to dissolve zirconium from the treated zirconium sponge and to form a melt containing evenly distributed particles of zirconium |
| 07/28/2005 | DE102004063817A1 Vorrichtung zur Erzeugung oder Reinigung von Metallen und damit verbundene Prozesse Apparatus for generating or cleaning of metals and related processes |
| 07/28/2005 | CA2549024A1 A carbonaceous reductant and a process for using the carbonaceous reductant |
| 07/27/2005 | EP1200218B1 Process of producing low oxygen refractory metal powder for powder metallurgy |
| 07/27/2005 | CN1646712A Methods to reduce hydrosulphide and arsine emissions during wet ore processing |
| 07/26/2005 | US6921473 Blending particulate reinforcement with metal oxide or semi-metal oxide powder; sintering; removing oxygen by electrolysis under conditions such that reaction of oxygen rather than metal deposition occurs at an electrode surface |
| 07/21/2005 | WO2005066379A1 Disposal of accumulated waste solids from processing of titanium-bearing ores |
| 07/21/2005 | WO2005026398A3 Nanofibers, and apparatus and methods for fabricating nanofibers by reactive electrospinning |
| 07/21/2005 | WO2005026397A3 Process and plant for the heat treatment of solids containing titanium |
| 07/19/2005 | US6918942 Melting titanium using electron beams; aircraft; corrosion resistance |
| 07/14/2005 | US20050150328 tantalum oxide (Ta2O5); reacting a valve metal oxide with a vapor-phase transport agent to form a gaseous valve metal species, and treating with solid getter material(s) to form the valve metal; electrolytic capacitors; anodes |
| 07/14/2005 | US20050150327 Reduction reaction is used, often combined with a flux agent to enhance separation of the reaction products; e.g. titanium dioxide to titanium metal using lithium as reductant |
| 07/13/2005 | CN1639389A Magnesium-zirconium alloying |
| 07/13/2005 | CN1639362A Method for production of metallic elements of high purity such as chromes |
| 07/13/2005 | CN1639361A Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall |
| 07/13/2005 | CN1639071A Method of purifying niobium compound and/or tantalum compound |
| 07/13/2005 | CN1639070A Purification method for producing high purity niobium compound and/or tantalum compound |
| 07/13/2005 | CN1639069A Purification method for producing high purity niobium compound and/or tantalum compound |
| 07/07/2005 | US20050147472 Disposal of accumulated waste solids from processing of titanium-bearing ores |
| 07/07/2005 | US20050145072 High-purity sponge titanium material and its production method |
| 07/07/2005 | US20050145070 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 07/07/2005 | US20050145069 Method of manufacturing niobium and/or tantalum powder |
| 07/07/2005 | US20050145065 Electroslag cold hearth; pool of molten liquid metal, overlying slag layer, an ingot mold; raw material in the form of a feed electrode; over flow dam prevents inclusions; metal source can be a salt of desired metal |