| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 02/12/2009 | WO2009020890A1 Method of producing metals and alloys by carbothermal reduction of metal oxides |
| 02/12/2009 | CA2692541A1 Method of producing metals and alloys by carbothermal reduction of metal oxides |
| 02/11/2009 | CN201193241Y Coal gas distributor of pre-reducing furnace |
| 02/11/2009 | CN201193240Y Anti-wear spiral channel of pre-reducing furnace |
| 02/11/2009 | CN201193239Y Horizontal tank vaporisation support type reducing furnace |
| 02/11/2009 | CN201193238Y Burden-guiding cone of pre-reducing furnace |
| 02/11/2009 | CN101362105A Preparation method of high performance nano metallic catalyst |
| 02/05/2009 | US20090031930 Apparatus for incinerating waste and process for comprehensive utilization of waste |
| 02/05/2009 | US20090031859 Reducing and melting raw material of iron oxide-containing material and carbonaceous reducing agent; heating after a powder and granular atmosphere control carbonaceous material is spread on hearth of heat-reducing furnace; no resolidification of carbon; solid phase, efficiency, stability |
| 02/04/2009 | CN101358300A Compulsory cooling reduction distilling furnace and preparation method thereof |
| 02/04/2009 | CN101358299A Sealing method of wind import and export of reduction distilling furnace and rapid sealing closure |
| 02/04/2009 | CN101358289A Method for preparing metal aluminum by coal reduction |
| 02/04/2009 | CN101358283A Technique for continuously smelting plurality of metalliferous material using rotary kiln and smelting furnace |
| 02/04/2009 | CN100457931C Materials processing method and apparatus |
| 02/04/2009 | CN100457930C Method of recycling metallic coated scrap materials |
| 02/03/2009 | US7485257 Valve metal powders |
| 01/29/2009 | US20090025511 Method and apparatus for making metallic iron |
| 01/28/2009 | CN101353726A Method for separating lead platinum alloy by vacuum distillation |
| 01/28/2009 | CN100455678C Smelting reduction furnace coal-injection process |
| 01/27/2009 | US7481864 Conversion of Ta2O5 to Ta metal |
| 01/15/2009 | WO2009009317A1 Use of alumina-carbon agglomerates in the carbothermic production of aluminum |
| 01/15/2009 | WO2009008121A1 Process for producing high-purity metallic calcium, process for producing metallic titanium with use of the calcium, and high-purity metallic calcium producing apparatus |
| 01/15/2009 | US20090013828 Reduction Process and Plant |
| 01/15/2009 | US20090013827 Conditioned Quicklime for Injection to a Molten Bath of a Steel-Making Vessel |
| 01/14/2009 | CN101343694A Dezincing smelting method for waste mixed aluminum alloy containing zinc |
| 01/14/2009 | CN101343692A Carbon based reductive |
| 01/08/2009 | US20090008840 Apparatus for removing ruthenium from solution containing platinum group metal |
| 01/08/2009 | US20090007723 Graphite electrodes for production of aluminum by carbothermic reduction of alumina are either submerged in molten bath in low temperature compartment or horizontally arranged in side walls of high temperature compartment; carbonization; graphitization; improved flexibility, electroconductivity |
| 01/07/2009 | CN100449015C Method of preparing WB-FeNiCr composite material alnminothermic-fast solidification technology and its device |
| 01/07/2009 | CN100449010C Process for smelting ferrovanadium by extraction of vanadium from vanadium-containing errophosphorus |
| 01/06/2009 | US7474051 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 |
| 12/31/2008 | EP2008742A1 Method for the production of tantal powder for valves |
| 12/31/2008 | CN201172679Y Pup joint equipment of I-typed reducing-distilling combined furnace for producing spongy titanium by magnesium method |
| 12/31/2008 | CN101333576A Ironmelting by coke for replacing washery coal shot |
| 12/24/2008 | EP2004868A1 Reduction processing of metal-containing ores in the presence of microwave and rf energy |
| 12/23/2008 | US7468110 Hollow cathode target and methods of making same |
| 12/18/2008 | US20080311027 Process for the Production of Ge by Reduction of Gecl4 With Liquid Metal |
| 12/17/2008 | CN201165543Y Reduction reaction pot |
| 12/17/2008 | CN101323909A Method of microwave selective reduction roasting-dilute acid leaching nickel oxide ore |
| 12/17/2008 | CN101323905A Fire metallurgy process of copper lead zinc mixing ore concentrate |
| 12/17/2008 | CN101323889A Direct smelting plant |
| 12/17/2008 | CN100443603C Method of preparing titanium and titanium alloy using titanium containing furnace clinker |
| 12/17/2008 | CN100443602C Rotary type anode furnace process technology for refining fuel coal by copper matte smelting process |
| 12/11/2008 | WO2007149541A3 Methods for making carbide-metal nanocomposite powders |
| 12/11/2008 | US20080305353 Aqueous-Based Method For Producing Ultra-Fine Metal Powders |
| 12/11/2008 | US20080302655 Electrochemical Method and Apparatus For Removing Oxygen From a Compound or Metal |
| 12/11/2008 | US20080302213 use to smelt an iron containing feed material to produce molten iron in accordance with the HIsmelt process, direct smelting of iron ore |
| 12/11/2008 | US20080302212 Method for Manufacturing Molten Irons and Apparatus for Manufacturing Molten Irons |
| 12/11/2008 | US20080302211 Moving separate or separable containers containing a mixture of iron oxide and carbonaceous material through the furnace zone to the discharge end; preheating; reducing; melting and fusing iron and slag formed; discharging from containers, and returning empty containers to the charging end of the furnace |
| 12/10/2008 | EP1999285A1 Apparatus and methods for the production of metal compounds |
| 12/10/2008 | CN101321880A Method and apparatus for lead smelting |
| 12/10/2008 | CN101319159A Synthetic coke block and preparation method thereof |
| 12/10/2008 | CN100441709C Method of refining noble lead or dore silver |
| 12/09/2008 | CA2552292C Purification of pgm species from mixtures thereof |
| 12/03/2008 | EP1996735A2 Production of iron using environmentally-benign renewable or recycled reducing agent |
| 12/03/2008 | CN201158691Y Magnesium metal reduction device |
| 12/03/2008 | CN101314823A Method for extracting thallium from thallium containing slag |
| 12/03/2008 | CN101314816A Liquid crystallizer |
| 11/27/2008 | WO2008142704A1 Process for the production of chromium metal nuggets from chromite ores/concentrates. |
| 11/27/2008 | US20080292488 Method for preparing a metallic article having an other additive constituent, without any melting |
| 11/27/2008 | US20080289450 Conveyor System, Composite System and Method For Coupling Metallurgical Methods |
| 11/26/2008 | EP1995353A1 METHOD OF REMOVING/CONCENTRATING METAL-FOG-FORMING METAL PRESENT IN MOLTEN SALT, APPARATUS THEREFOR, AND PROCESS AND APPARATUS FOR PRODUCING Ti OR Ti ALLOY BY USE OF THEM |
| 11/26/2008 | CN101311281A Green metallurgical process for integrated utilization of nickel laterite ore |
| 11/26/2008 | CN101311279A Apparatus and method for manufacturing high-purity nickel |
| 11/26/2008 | CN100436601C Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 11/25/2008 | CA2423166C Method for making reduced iron |
| 11/20/2008 | US20080282844 Methods for recovering metals from automobile scrap and electronic waste |
| 11/19/2008 | EP1797209B1 Process for the production of germanium by reduction of gecl4 in a liquid metal |
| 11/19/2008 | EP1163567B1 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 11/19/2008 | CN101307390A Process for remove foreign metal of low boiling point in metal refining process |
| 11/19/2008 | CN101307384A Process for preparing high pure rare earth metals by layered distillation method and device |
| 11/18/2008 | CA2531697C Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
| 11/18/2008 | CA2302712C Process for the preparation of high grade synthetic rutile and pig iron |
| 11/18/2008 | CA2200985C Process for reducing oxide-containing material and system for carrying out this process |
| 11/13/2008 | WO2008136277A1 Process for production of ferromolybdenum and ferromolybdenum |
| 11/13/2008 | US20080277844 Reactor for producing metal nanoparticles and arrangement having the reactor |
| 11/12/2008 | CN201149440Y Water jacket for reaction tower of flash furnace |
| 11/12/2008 | CN101302630A Method for preparing metal by means of solid oxide electrolytic cell |
| 11/05/2008 | CN101298642A Method for preparing titanium-aluminum-silicon alloy by carbothermal reduction method |
| 11/05/2008 | CN101298641A Metallic element carbon hot melting reduction continuous reactor |
| 11/05/2008 | CN101298340A Process for producing niobium suboxide |
| 11/04/2008 | US7445658 Titanium and titanium alloys |
| 10/30/2008 | US20080267810 Apparatus and process for making high purity nickel |
| 10/29/2008 | EP1287172B1 High purity niobium and products containing the same, and methods of making the same |
| 10/29/2008 | CN101294246A Deslagging method for reduction furnace, deslagging system of reduction furnace constructed according to the method |
| 10/29/2008 | CN101294242A Method for extracting multi-metallic element from high chromium vanadium titanium octahedral iron ore |
| 10/23/2008 | WO2008125726A1 Method and apparatus for reducing copper (i) oxide |
| 10/23/2008 | US20080257111 Method for Smelting Fragmentized Aluminum Scrap |
| 10/22/2008 | EP1759024A4 Process for copper converting |
| 10/22/2008 | EP1563932B1 Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein |
| 10/22/2008 | CN201136889Y Reduction kettle with the bottom of the kettle declining |
| 10/22/2008 | CN101289709A Liquid tundish |
| 10/22/2008 | CN101289708A Semi-continuous metallothermic reduction process |
| 10/20/2008 | CA2585541A1 Apparatus and process for making high purity nickel |
| 10/16/2008 | WO2008122251A1 A method of preparation of suspensions of micrometer crystals of silver |
| 10/16/2008 | US20080254293 Reduction Method |
| 10/15/2008 | EP1546420B1 A separation process |
| 10/15/2008 | CN101285130A Process for preparing calcium metal by reducing calcium oxide with ferrosilicium |
| 10/15/2008 | CN101285124A Method and device for collecting liquid-state metal of metal vacuum smelting |
| 10/15/2008 | CN101285123A Method and device with electric field for collecting liquid-state metal of metal vacuum smelting |