Patents for C22B 5 - General processes of reducing to metals (5,378) |
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09/09/2004 | US20040173053 Method and reactor for production of aluminum by carbothermic reduction of alumina |
09/09/2004 | DE19500962B4 Verfahren und Vorrichtung zur Hochtemperaturbehandlung von feinkörnigen Feststoffen in einem Schmelzzyklon Method and apparatus for high temperature treatment of fine-grained solids in a melting cyclone |
09/09/2004 | DE10308269A1 Recovering nickel comprises loosening reduced ore with inert gas during cooling and indirectly cooling using cooling medium |
09/07/2004 | US6788525 Powdered tantalum, niobium, production process thereof and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium |
09/07/2004 | US6787121 Contacting manganese oxide with hydrocarbon gas to carburize and convert to manganese carbide; carbiding |
09/07/2004 | US6786951 Reduction of tantalum and/or niobium oxides with magnesium, calcium, strontium, barium or cerium halides |
08/31/2004 | US6783744 For recovery of high purity zinc oxide products and optionally iron carbon feedstocks from industrial waste streams containing zinc oxide and/or iron; waste streams treated by adding carbon and ammonium chloride displacing undesired metal |
08/26/2004 | US20040166045 Ceramics and method of producing ceramics |
08/25/2004 | EP1448802A2 Electrochemical processing of solid materials in fused salt |
08/19/2004 | WO2004070067A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
08/19/2004 | US20040161379 Method for manufacturing nanophase TiC-based composite powders by metallothermic reduction |
08/19/2004 | US20040159559 Electrolysis of calcium, barium, lithium, cesium, or strontium chloride; reducing level of dissolved oxygen or other elements from solid metals, metal compounds and semi-metal compounds and alloys |
08/19/2004 | CA2515042A1 Microwave assisted continuous synthesis of nanocrystalline powders and coatings using the polyol process |
08/18/2004 | CN1522315A Reduction of metal oxides in an electrolytic cell |
08/12/2004 | WO2004018717A3 Electrostatically enhanced tribochemical methods and apparatus |
08/12/2004 | US20040155388 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
08/12/2004 | US20040154436 Method for producing granular metal |
08/11/2004 | EP1445350A1 Method and apparatus for smelting titanium metal |
08/10/2004 | US6773521 Apparatus and process for treating a particulate material within a rotating retort |
08/05/2004 | WO2004066339A1 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 |
08/05/2004 | WO2004066338A1 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 |
08/05/2004 | WO2004066337A1 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 |
08/05/2004 | WO2004065641A1 An improved smelting process for the production of iron |
08/03/2004 | CA2299263C Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags |
07/28/2004 | EP1440175A2 Superconductor materials and fabrication method using electrolytic reduction and infiltration |
07/28/2004 | CN1516744A Method for producing granular metal |
07/28/2004 | CN1516743A Method of mfg. metal iron |
07/22/2004 | WO2004061138A1 Method for reducing chromium containing raw material |
07/22/2004 | WO2004060594A1 Process for the production of elemental material and alloys |
07/15/2004 | DE10260737A1 Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen Method and apparatus for heat treatment of titanium-containing solids |
07/08/2004 | WO2004057044A2 Method and plant for the heat treatment of solids containing iron oxide |
07/08/2004 | WO2004057042A1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
07/08/2004 | WO2004057040A1 Fluidized bed method and plant for the heat treatment of solids containing titanium |
07/08/2004 | WO2004057039A1 Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor |
07/08/2004 | WO2004056468A1 Treatment of granular solids in a fluidized bed with microwaves |
07/08/2004 | WO2004056467A1 Treatment of granular solids in an annular fluidized bed with microwaves |
07/08/2004 | DE10260743A1 Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett Process and apparatus for the thermal treatment of granular solids in a fluidized bed |
07/08/2004 | DE10260733A1 Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen Method and apparatus for heat treatment of solids containing iron oxide |
07/08/2004 | DE10260731A1 Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen Method and apparatus for heat treatment of solids containing iron oxide |
07/08/2004 | CA2510926A1 Fluidized bed method and plant for the heat treatment of solids containing titanium |
07/08/2004 | CA2510925A1 Method and plant for the heat treatment of solids containing iron oxide using a fluidized bed reactor |
07/08/2004 | CA2510013A1 Treatment of granular solids in a fluidized bed with microwaves |
07/08/2004 | CA2510009A1 Treatment of granular solids in an annular fluidized bed with microwaves |
07/06/2004 | CA2312488C Method for reforming reducing gas in a fluidized bed process for reduction of ore |
07/01/2004 | WO2004055832A1 Method and apparatus for controling temperature uniformity of the burden in a direct reduction shaft furnace |
07/01/2004 | US20040123700 Reacting a halide with reducing agents in solid phase in fluidized bed |
07/01/2004 | DE10260745A1 Verfahren und Anlage zur thermischen Behandlung von körnigen Feststoffen Process and apparatus for the thermal treatment of granular solids |
06/30/2004 | EP1433861A2 Methods for producing a metallic alloy |
06/30/2004 | CN1509339A Apparatus and method for recycling iron laden dust and sludge in ingot iron manufacturing process using semi-soft coking coal and fine iron ore |
06/30/2004 | CN1155728C Method for smelting non-ferrous metal sulphides in a suspension smelting furnace in order to produce matte of a high non-ferrous metal content and disposable slay |
06/29/2004 | CA2304618C Direct smelting process for producing metals from metal oxides |
06/24/2004 | WO2004053173A1 METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CONTAINING V, Mo AND Ni |
06/24/2004 | US20040118246 Oxidation; forming metal oxide chemical intermediate ; reducing metal oxide to alloy |
06/23/2004 | EP1137815A4 A process and an apparatus for producing metals and metal alloys |
06/23/2004 | CN1507498A Method and installation for utilziing waste products, which contain hydrocarbons and iron oxide particularly mill scale sludges and coal fines |
06/17/2004 | US20040115085 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction |
06/17/2004 | US20040112176 directly from precursor material comprised nano-particles of molybdic oxide (MoO3) without intermediate step |
06/16/2004 | EP1428896A2 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction |
06/16/2004 | EP1157136B1 Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
06/16/2004 | CN1505689A Method of recycling metallic coated scrap pieces |
06/15/2004 | US6749663 Reducing and carburizing tungsten and/or molybdenum oxide powders in the presence of alkali metal compounds |
06/10/2004 | WO2004048621A1 Production of metals and alloys using solid carbon produced from carbon-containing gas |
06/08/2004 | US6746511 Continuous, low cost, simple dispersing; bubbling metal containing fluid and carrier gas |
06/03/2004 | US20040104125 Intermetallic compounds |
06/02/2004 | EP1147236B1 Carbothermic aluminium production using scrap aluminium as coolant |
06/01/2004 | CA2254362C Composition and method for reducing copper oxide to metallic copper |
05/26/2004 | EP1268105B1 Method for manufacturing metal parts |
05/26/2004 | EP1216312B1 Process for manufacturing corrosion resistant composite metal products |
05/26/2004 | EP1007750B1 Titanium alloy based dispersion-strengthened composites |
05/21/2004 | WO2004042095A1 A process for the production of niobium and/or tantalum powder with large surface area |
05/21/2004 | WO2004022797A9 Preparation of alloys by the armstrong method |
05/20/2004 | US20040093984 Increasing the surface area of the ferrous oxide particles where the individual particles had a prism-like shape |
05/19/2004 | DE10249521A1 Making palladium sponge virtually free of palladium oxide involves hydrazine reduction from compound including halogen, and heating and cooling sponge product in nitrogen |
05/19/2004 | CN1498278A Modular furnace for reducing melting |
05/19/2004 | CN1150341C Vacuum distiller for reclaiming used batteries |
05/18/2004 | US6737017 Method for preparing metallic alloy articles without melting |
05/13/2004 | WO2004039523A1 Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein |
05/12/2004 | CN1149295C Apparatus and method of producing tantalum by continuous process |
05/11/2004 | US6733561 Production of high titania slag from ilmenite |
05/06/2004 | WO2004037410A1 CARBON INTERSTICED METALLIC PALLADIUM, PALLADIUM CATALYST AND METHOD FOR PREPARATION THEREOF, AND METHOD FOR PRODUCING α,β-UNSATURATED CARBOXYLIC ACID |
05/06/2004 | DE10248567A1 Process for the production of a metal from a metal ore comprises blowing a mixture as reduction gas into a shaft furnace to react with the ore containing a metal oxide |
04/29/2004 | WO2004035873A1 Minimising carbon transfer in an electrolytic cell |
04/29/2004 | WO2004035845A1 Process and apparatus for extracting zinc |
04/29/2004 | WO2004007775A3 Direct melting and refining of metal oxide material |
04/29/2004 | US20040079197 Preparation of alloys by the armstrong method |
04/29/2004 | DE19519722B4 Verfahren zur Herstellung von Nioboxid Process for the preparation of niobium oxide |
04/28/2004 | EP1413635A1 Method for reducing Cr(VI) in chromium oxide-containing waste materials |
04/28/2004 | EP1294953B1 Device for directly reducing ore fine and installation for carrying out said method |
04/21/2004 | EP1409770A1 Reduction of metal oxides in an electrolytic cell |
04/21/2004 | EP1409754A1 Method for direct metal making by microwave energy |
04/15/2004 | WO2004031324A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
04/15/2004 | US20040071619 Method for the purification of zinc oxide controlling particle size |
04/15/2004 | CA2501262A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
04/08/2004 | WO2004029309A1 Improved process for removing oxygen from metal oxides by electrolysis in a fused salt |
04/08/2004 | US20040067152 Mixing metal particles with binder; compaction; removal binder with reducing gas; powder metallurgy |
04/07/2004 | EP1405925A1 Method of manufacturing metal iron |
04/07/2004 | EP1405924A1 Method for producing granular metal |
04/07/2004 | EP1405895A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
04/06/2004 | CA2287646C Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification |
04/01/2004 | WO2004026511A2 Method and apparatus for controlling the size of powder produced by the armstrong process |