Patents for C22B 5 - General processes of reducing to metals (5,378)
11/2005
11/24/2005WO2005112511A1 Fracture resistant electrodes for a carbothermic reduction furnace
11/24/2005WO2005111248A1 Semi-reduced sintered ore and method for production thereof
11/23/2005EP1598844A1 Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube
11/23/2005EP1598434A1 Method for preparing a metallic article having an other additive constituent, without any melting
11/23/2005CN1701406A Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturi
11/23/2005CN1699000A Method for preparing a metallic article having an other additive constituent, without any melting
11/17/2005US20050253118 Fracture resistant electrodes for a carbothermic reduction furnace
11/17/2005DE102004020052A1 Verfahren zur Herstellung von Niob- und Tantalpulver A process for producing niobium and tantalum powders
11/17/2005CA2506391A1 Method for preparing a metallic article having an other additive constituent, without any melting
11/16/2005CN1227380C Oxygen-rich air incoming stock using for non-ferrous metal production and apparatus therefor
11/16/2005CN1227371C Method for the indirect reduction of particulate oxide-containing ores and apparatus therefor
11/16/2005CN1227155C Preparation method of tungsten and/or molybdenum metal powder, tungsten carbide and/or molybdenum carbide
11/10/2005WO2005105346A1 Method for the production of niobium and tantalum powder
11/10/2005WO2004101832A3 Microwave enhancement of the segregation roast
11/09/2005CN1694973A A process for the production of niobium and/or tantalum powder with large surface area
11/03/2005WO2005103309A1 Metallothermic process for magnesium production and vacuum-induction furnace thereto
11/03/2005WO2005102569A1 Production of active nickel powder and transformation thereof into nickel carbonyl
11/02/2005EP1591546A1 Process of recovering metals and/or metal oxides from steelworks dusts
11/02/2005EP1591178A1 Production of active nickel powder and transformation thereof into nickel carbonyl
11/01/2005US6960238 Using fluizied beds; preheating; reducing iron oxide to iron
10/2005
10/26/2005EP1587962A1 An improved smelting process for the production of iron
10/26/2005EP1546420A4 A separation process
10/26/2005CN1688731A Preparation of alloys by the armstrong method
10/25/2005US6958257 Tantalum sputtering target and method of manufacture
10/20/2005WO2005098059A1 Process for copper converting
10/19/2005EP1586666A1 Method of valorizing a steel slag
10/19/2005EP1586665A1 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
10/19/2005CN1223424C Process for preparing niobic powder and/or tantalum powder
10/18/2005US6955938 Tantalum sputtering target and method of manufacture
10/18/2005US6955703 reacting titanium chloride with solid reducing agent within fluidized bed reactor
10/12/2005EP1585159A1 Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube
10/12/2005CN1681951A Process for separating Ti from a Ti slurry
10/12/2005CN1681950A Screw device for transfer of Ti-containing reaction slurry into a vacuum vessel
10/12/2005CN1681949A Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead
10/12/2005CN1222627C A direct smelting process and apparatus
10/12/2005CN1222625C Method for using low temperature rectification combination blast furnace and direct reduction reactor
10/11/2005US6953547 Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace
10/06/2005US20050217432 Apparatus and method for the reduction of metals
10/06/2005US20050217426 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
10/06/2005DE19961331B4 Federartiger Kupferfaserkörper und Verfahren zur Herstellung desselben Copper spring-like fiber body and method of manufacturing the same
10/06/2005DE10393407T5 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
10/05/2005EP1141425B1 Method for the production of aluminium from alumina by aluminium sulfide process
10/05/2005CN1221670C Method for operating rotary heartn type reducing furnace and rotary hearth type reducing furnace facilities
10/05/2005CN1221669C Method for prodn. of reduction iron
09/2005
09/29/2005WO2005090619A1 Production of titania
09/29/2005US20050211022 Integrated ammoniacal solvent extraction and hydrogen reduction of nickel
09/29/2005DE10336676B4 Verfahren und Anlage zur Reduktion von eisenoxidhaltigen Feststoffen Method and apparatus for reduction of iron oxide-containing solids
09/28/2005EP1190106B1 Fluidized bed reduction of laterite fines with reducing gases generated "in situ"
09/28/2005CN1675014A Method for preparing metallic alloy articles without melting
09/28/2005CN1673398A Application of silicon-aluminium alloy in magnesium smelting as reducing agent
09/28/2005CN1220786C Production process for low-carbon ferromanganese iron using manganese-rich slag
09/22/2005DE102004009176A1 Verfahren zur Reduktion von kupferhaltigen Feststoffen in einem Wirbelbett A method of reducing copper-containing solids in a fluidized bed
09/21/2005EP1575702A1 Treatment of granular solids in a fluidized bed with microwaves
09/21/2005EP1575701A1 Treatment of granular solids in an annular fluidized bed with microwaves
09/21/2005CN1671871A A separation process
09/21/2005CN1219891C Direct reduction method and rotary kiln hearth
09/20/2005CA2267296C Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose
09/20/2005CA2260564C Nickel fine powder and method for preparing the same
09/15/2005WO2005085485A1 Device for magnesium-thermal titanium sponge production
09/15/2005WO2005085484A1 Selective reduction of cupriferous calcine
09/15/2005WO2005084111A2 Combined pre-treatment process for enabling feed material to be charged in direct reduction processes
09/14/2005EP1573076A1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same
09/14/2005EP1098997B1 A direct smelting process
09/14/2005EP1042514B1 Method for reforming reducing gas in a fluidized bed process for reduction of ore
09/14/2005CN1219084C Process for separating zinc and lead from metallurgic furnace dust
09/13/2005US6942715 Process for producing metallic titanium
09/09/2005WO2005083135A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY THROUGH Ca REDUCTION
09/09/2005WO2005083133A1 Method for analyzing state inside blast furnace in pyrometallurgy of zinc and method for zinc smelting
09/08/2005US20050193863 Selective reduction of cupriferous calcine
09/06/2005US6939509 Mixing metal particles with binder; compaction; removal binder with reducing gas; powder metallurgy
09/01/2005WO2005080643A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY Ca REDUCTION
09/01/2005WO2005080642A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY BY REDUCTION OF Ca
09/01/2005WO2005080616A1 Process for reducing solids containing copper in a fluidized bed
09/01/2005WO2005080610A1 Method for producing metals and alloys and device for carrying out said method
09/01/2005US20050188787 Allows the treatment of Waelz residues producing an inert process slag, a sellable liquid metal and powders which can be treated with the hydrometallurgic process, for the recovery of lead, zinc or other metals
08/2005
08/31/2005CN1661121A Operation method of finer
08/31/2005CN1217017C Method for receiving metallic chromium from slag contg. chromium oxide
08/31/2005CN1217014C Direct smelting process
08/25/2005WO2005077573A1 Method for producing valve metal
08/25/2005WO2005077572A1 Method for producing valve metal powder or lower oxide powder
08/24/2005EP1566455A1 A pyrometallurgic process for the treatment of steelwork residues,especially Waelz process residues
08/24/2005EP1565585A1 Process and apparatus for extracting zinc
08/24/2005CN2719864Y Five-band four-tube reduction furnace
08/24/2005CN1658991A Method for producing metal powder and formed product of raw material for metal
08/23/2005US6932853 Recovering zinc from a metal waste, using a cyclone separator to separate, filtration, heating to evaporate, oxidation, recovering volatile zinc from electric arc furnace dust; demetallization, purification,
08/17/2005EP1563932A1 Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein
08/17/2005CN1654688A Method for preparing high density nano metal material
08/17/2005CN1215184C Reduction and sulfonium making smelting process with non-ferrous sulfide ore and sulfide containing material
08/11/2005WO2005073412A1 Ironmaking and steelmaking
08/11/2005US20050175533 Combustion looping using composite oxygen carriers
08/11/2005US20050175496 Method of reclaiming contaminated metal
08/11/2005CA2554805A1 Ironmaking and steelmaking
08/10/2005EP1561829A1 Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead
08/10/2005EP1230407A4 Solid state reduction of oxides
08/10/2005CN1653865A A plasma formed in a fluid
08/10/2005CN1214122C Titanic iron ore separating process
08/04/2005WO2005071126A1 Mehod for producing iron-nickel alloys from oxide materials and device for carrying out said method
08/04/2005US20050167015 Hollow cathode target and methods of making same
08/03/2005CN1650051A Reduction of metal oxides in an electrolytic cell
07/2005
07/28/2005WO2005068668A1 CONVERSION OF Ta2O5 TO Ta METAL
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