| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 09/24/2003 | CN1443618A Electron tube metal powder and its preparing method |
| 09/18/2003 | WO2003076690A1 Reduction of metal oxides in an electrolytic cell |
| 09/18/2003 | US20030173228 Reduction of metal oxides in an electrolytic cell |
| 09/17/2003 | CN1442497A Noncontact type metal element carbon hot melt reduction method |
| 09/16/2003 | US6620219 Pure precipitate from alcoholic solution of hydrazine, alka-line hydroxide and metallic salt |
| 09/12/2003 | CA2754650A1 Valve metal powders and process for producing them |
| 09/03/2003 | EP1340822A1 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities |
| 09/03/2003 | EP1339894A2 Hollow cathode target and methods of making same |
| 09/03/2003 | EP1339884A2 Metal and alloy powders and powder fabrication |
| 09/03/2003 | EP0517786B1 Production of synthetic rutile |
| 08/28/2003 | US20030159541 Method and installation for the indirect reduction of particulate oxide-containing ores |
| 08/28/2003 | US20030159540 Exposure of raw materials to reducing agent; forming gaseous zinc; then oxidation; using electric arc furnaces |
| 08/28/2003 | US20030159281 Method for producing metal powser and metal powder, and electroconductive paste and monolithic ceramic capacitor |
| 08/27/2003 | EP1338660A1 Metal oxide-containing green pellet for reducing furnace, method for production thereof, method for reduction thereof, and reduction facilities |
| 08/27/2003 | EP1337692A1 Intermetallic compounds |
| 08/27/2003 | EP1252347B1 Method for removing chrome and/or nickel from liquid slags |
| 08/27/2003 | CN1438348A High-activity reduction agent for smelting iron alloy by electric oven |
| 08/27/2003 | CN1438337A Apparatus for producing low-carbon ferromanganese iron using manganese-rich slay |
| 08/27/2003 | CN1438336A Production process for low-carbon ferromanganese iron using manganese-rich slag and apparatus thereof |
| 08/21/2003 | WO2003068435A1 A process for preparing tantalum powder and/or niobium powder having high specific surface area |
| 08/14/2003 | WO2003066914A1 High-purity spongy titanium material and its production method |
| 08/14/2003 | US20030150295 Ferroalloy production |
| 08/13/2003 | EP1109940B1 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus |
| 08/13/2003 | EP1079950B1 Sinter-active metal and alloy powders for powder metallurgy applications and methods for their production and their use |
| 08/13/2003 | EP0958386B1 Process for reducing ore fines by fluidisation and use thereof for the production of molten pig iron or steel |
| 08/07/2003 | US20030145682 Gel of elemental material or alloy and liquid metal and salt |
| 08/06/2003 | EP1333110A1 Fabrication of metal articles by electrolysis of preshaped metal compounds in a fused salt |
| 08/06/2003 | EP1332240A2 Methods of forming sputtering targets |
| 08/05/2003 | US6602322 Mixing metal-containing dust and carbonaceous fines to form a particulate mixture; heating to reduce and release volatile metals and alkali metals therefrom along with gaseous products; collecting released metals and gases, reoxidizing |
| 08/05/2003 | US6602321 Direct smelting process |
| 08/05/2003 | US6602317 Controlling the temperature uniformity of the center portion of the iron burden in a direct reduction shaft furnace thereby allowing a higher amount of hydrocarbons to be used throughout the reduction process; direct reduced iron |
| 07/31/2003 | WO2003062480A1 Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall |
| 07/31/2003 | WO2003062479A1 Method for production of metallic elements of high purity such as chromes |
| 07/31/2003 | WO2003048399A3 Electrochemical processing of solid materials in fused salt |
| 07/31/2003 | WO2003031334A3 Assemblies and methods for processing zing-bearing materials |
| 07/17/2003 | US20030132559 Apparatus for producing molybdenum metal |
| 07/17/2003 | US20030132123 Methods of forming titanium-based and zirconium-based mixed-metal materials |
| 07/15/2003 | US6592648 Providing bed of agglomerates containing ore and carbonaceous reductant on hearth of furnace, heating radiant heat source to reduce iron oxides in ore or waste oxides to metallic iron |
| 07/15/2003 | US6592647 Heating and reducing an iron oxide source by carbonaceous reducing agents characterized in that a liquid fraction in a solid and liquid coexisting phase of produced slag containing multicomponent gangue is controlled to produce pure iron |
| 07/10/2003 | WO2003056039A1 An apparatus and method for recycling dust and sludge containing iron in ironmaking process using coal and fine ore |
| 07/10/2003 | US20030126943 Reducing ilmenite continuously by a carbonaceous materialin a direct current transferred arc furnace having a refractory lining; estimating the thickness of the frozen lining as a function of temperature to control slag product |
| 07/09/2003 | EP1324946A1 Ultracoarse, monorystalline tungsten carbide and method for producing the same, and hard metal produced therefrom |
| 07/09/2003 | CN1429278A A direct smelting process and apparatus |
| 07/09/2003 | CN1113972C Tantalum-silicon alloy ingot and products contg. same, and producing method and use |
| 07/08/2003 | US6589667 Spherical porous iron powder and method for producing the same |
| 07/08/2003 | US6589331 Metal oxide coated, flake shaped; colorful, display metallic luster and high magnetic permeability; for use in decorative lacquer, paint, plastic, printing, glass, ceramics, and cosmetics |
| 07/08/2003 | CA2222639C Metal and fluorine values recovery from fluoride salt matrices |
| 07/03/2003 | US20030121365 Method of producing fine tungsten powder from tungsten oxides |
| 07/02/2003 | EP1114195A4 A direct smelting process |
| 07/02/2003 | EP1114191A4 A direct smelting process |
| 07/02/2003 | EP1098997A4 A direct smelting process |
| 07/02/2003 | CN1113213C Method for feeding and directing reaction gas and solids into smelting furnace and multiadjustable burner designed for said purpose |
| 07/02/2003 | CN1112975C Method for treating matter containing chromium oxides in large scale, and method for utilizing after-treatment matter and utilizing matter |
| 07/01/2003 | US6585798 Fluidized bed reactor for preventing the fine iron ore from sticking therein and method thereof |
| 06/26/2003 | WO2002061168B1 Methods of forming sputtering targets |
| 06/25/2003 | EP1112387A4 Direct smelting vessel and direct smelting process |
| 06/25/2003 | EP1034311A4 Direct smelting process for producing metals from metal oxides |
| 06/25/2003 | CN1426487A Method for producing ferroalloy |
| 06/25/2003 | CN1425524A Process for preparing niobic powder and/or tantalum powder |
| 06/24/2003 | US6582651 Steps of combining the starting materials, forming the starting materials into a shape to produce a nonmetallic metal precuror article of a certain geometry, and converting the nonmetallic article to a metallic article by reduction or |
| 06/24/2003 | US6582493 Oxidizing the objects of thoriated tungsten to form thorium-containing or thorium-oxide-containing tungsten oxide pieces, homogenizing tungsten oxide pieces, and reducing homogenized tungsten oxide pieces under hydrogen gas |
| 06/19/2003 | US20030110890 Process for the production of high surface area tantalum and/or niobium powders |
| 06/19/2003 | US20030110886 Reducing chromium oxide with silicon to obtain a molten metal, discharging slag produced and adding a basic flux to refine |
| 06/19/2003 | CA2701505A1 A method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 06/18/2003 | EP1319727A2 Pyro-hydrometallurgical process for the recovery of zinc, lead and other value metals from iron- and steelmaking shop dusts |
| 06/17/2003 | CA2127277C Method for the recovery of zinc oxide |
| 06/12/2003 | WO2003048399A2 Electrochemical processing of solid materials in fused salt |
| 06/10/2003 | US6576069 Tantalum-silicon alloys and products containing the same and processes of making the same |
| 06/10/2003 | US6576040 Process and plant with oxygen-enriched air feed for a non-ferrous metal production unit |
| 06/05/2003 | WO2003046233A1 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel |
| 06/05/2003 | WO2002042513A3 Hollow cathode target and methods of making same |
| 06/05/2003 | CA2468518A1 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel |
| 05/28/2003 | CN1420186A Process for separating zinc and lead from metallurgic furnace dust |
| 05/27/2003 | US6569222 Continuous single stage process for the production of molybdenum metal |
| 05/22/2003 | WO2003031665A3 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 05/20/2003 | US6566161 Tantalum sputtering target and method of manufacture |
| 05/20/2003 | US6565799 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace |
| 05/13/2003 | US6563695 Powdered tantalum, niobium, production process thereof, and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium |
| 05/08/2003 | WO2003038156A1 Method a nd apparatus for smelting titanium metal |
| 05/08/2003 | US20030084754 Heating a precursor to a first temperature in the presence of a reducing gas, and increasing the temperature to reduce the precursor material and form the molybdenum (Mo) metal; Mo with novel surface area |
| 05/07/2003 | EP1308526A1 Process for the production of molybdenum metal |
| 05/07/2003 | EP1307596A2 Method for producing metallic iron |
| 05/07/2003 | CN1415767A Method for recycling valuable metal from stainless steel dust |
| 05/02/2003 | EP1235942A4 Nickel powder desulfurisation |
| 05/01/2003 | US20030082864 Tantalum sputtering target and method of manufacture |
| 04/30/2003 | CA2427521A1 Metal oxide-bearing green pellets for reducing furnace, method of production of same, method of reduction of same, and reduction facility |
| 04/29/2003 | US6554885 Pre-alloyed powder |
| 04/24/2003 | US20030075019 Demetallization via charging in iron bath, and reducing by feeding carbon/carriers |
| 04/17/2003 | WO2003031665A2 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 04/17/2003 | WO2003031334A2 Assemblies and methods for processing zing-bearing materials |
| 04/17/2003 | US20030070509 Reducing niobium and/or tantalum oxides with alkali metals and/or alkaline-earth metals to obtain low-grade oxide powder; electrolyte capacitors |
| 04/17/2003 | CA2463396A1 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 04/16/2003 | EP1302263A2 Method of manufacturing niobium and/or tantalum powder |
| 04/16/2003 | CN1410209A Preparation method of high specific surface area tantalum powder and/or niobium powder |
| 04/15/2003 | US6548185 Feathery copper fiber body, process for production thereof, and copper microcoil |
| 04/15/2003 | CA2235033C Gasification process and plant for direct reduction reactors |
| 04/12/2003 | CA2406932A1 Method of manufacturing niobium and/or tantalum powder |
| 04/03/2003 | US20030064240 Feathery copper fiber body, process for production thereof, and copper microcoil |
| 04/03/2003 | US20030061907 Contacting a halide of the metal or mixtures thereof with a stream of liquid alkali metal or alkaline earth metal to convert the halide to the metal or alloy |
| 04/02/2003 | EP1297190A1 Method and installation for the indirect reduction of particulate oxide-containing ores |