| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 04/01/2004 | US20040060826 Process for removing oxygen from metal oxides by electrolysis in a fused salt |
| 04/01/2004 | US20040060387 Plasma reduction processing of materials |
| 03/31/2004 | CN2608515Y Production equipment of low carbon manganese iron |
| 03/30/2004 | US6712952 Placing anode and electrode comprising solid compound in contact with fused salt electrolyte, applying voltage so potential is lower than deposition potential for salt cation at electrode surface and substance dissolves in electrolyte |
| 03/25/2004 | WO2004024963A2 Methods of making elemental materials and alloys |
| 03/25/2004 | WO2004024961A1 Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead |
| 03/24/2004 | CN1483844A Method for smelting ferro-tungsten by using scheelite preparation concentrate |
| 03/24/2004 | CN1483843A Method for producing high titanium iron |
| 03/18/2004 | WO2004022800A1 Process for separating ti from a ti slurry |
| 03/18/2004 | WO2004022798A1 Screw device for transfer of ti-containing reaction slurry into a vacuum vessel |
| 03/18/2004 | WO2004022797A1 Preparation of alloys by the armstrong method |
| 03/18/2004 | US20040053185 Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace |
| 03/18/2004 | US20040052672 Reduction of metal compound; immersion of sample in melt; granulation; controlling particle sizes |
| 03/18/2004 | US20040050208 Method of making elemental materials and alloys |
| 03/18/2004 | CA2500909A1 Preparation of alloys by the armstrong method |
| 03/18/2004 | CA2497999A1 Process for separating ti from a ti slurry |
| 03/18/2004 | CA2497997A1 Screw device for transfer of ti-containing reaction slurry into a vacuum vessel |
| 03/16/2004 | US6706416 Process for manufacturing corrosion resistant composite metal products |
| 03/11/2004 | WO2004020714A1 Method for removal of metal contaminants |
| 03/11/2004 | US20040049176 Cryoplasty device and method |
| 03/10/2004 | CN1481447A Method and appts. for feeding solid material and oxidizing gas into suspension smelting furnace |
| 03/09/2004 | US6702871 Neutralization of aqueous nickel sulfate solution with alkali or alkaline earth hydroxide; catalytic hydrogen reduction of nickel hydroxide slurry under atmospheric conditions |
| 03/04/2004 | WO2004018717A2 Electrostatically enhanced tribochemical methods and apparatus |
| 03/03/2004 | CN1479810A Intermetallic compounds |
| 03/03/2004 | CN1479794A Metal and alloy powers and powder fabrication |
| 03/02/2004 | US6699302 High metal or alloy recoveries; producing very clean slags |
| 02/26/2004 | WO2004016376A1 Metal nanocrystals and synthesis thereof |
| 02/26/2004 | DE10240224A1 Process for the thermal recovery of zinc comprises adding a zinc-containing secondary raw material as feed material in the form of molded bricks to a shaft kiln |
| 02/25/2004 | CN1139663C Method and apparatus for extracting metals from ores |
| 02/24/2004 | US6696029 Method for the purification of zinc oxide controlling particle size |
| 02/19/2004 | US20040031355 Direct smelting process and apparatus |
| 02/18/2004 | CN1138864C V2O3 electro-aluminothermic process for smelting FeV50 |
| 02/17/2004 | US6692688 Modular furnace |
| 02/12/2004 | US20040026834 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities |
| 02/12/2004 | US20040026262 Solid phase; using melt electrolyte |
| 02/12/2004 | DE10248568B3 Production of metal from metal ores comprises reacting the ore containing metal oxides with a reduction gas containing carbon obtained from solid carbonaceous substances and plastic |
| 02/11/2004 | EP1198599B1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 02/11/2004 | CN1474877A Method for operating rotary heartn type reducing furnace and rotary hearth type reducing furnace facilities |
| 02/10/2004 | US6689187 Tantalum powder for capacitors |
| 02/05/2004 | US20040020326 High strength; preventing crumbling |
| 02/04/2004 | EP1386014A1 Method of recycling metallic coated scrap pieces |
| 02/04/2004 | EP1386013A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 02/04/2004 | EP1244818B1 Method and installation for reducing ore fines in a multi-stage suspension gas stream using a cyclone separator |
| 02/04/2004 | EP1114195B1 A direct smelting process |
| 02/04/2004 | EP1114191B1 A direct smelting process |
| 02/04/2004 | CN1473204A Metal oxide-containing green pellet for reducing furnace, method for production thereof, method for reduction thereof, and reduction facilities |
| 02/03/2004 | US6685466 Metal apparatus comprising kilns for heating and reduction of heat treated mixtures of metal oxides, coal or coke |
| 01/29/2004 | WO2004009857A1 A separation process |
| 01/27/2004 | US6682586 Assemblies and methods for processing zinc-bearing materials |
| 01/22/2004 | WO2004007808A1 Method and apparatus for producing niobium powder or tantalum powder |
| 01/22/2004 | WO2004007775A2 Direct melting and refining of metal oxide material |
| 01/21/2004 | CN1468677A Decomposition method for producing submicro-particles in liquid bath |
| 01/20/2004 | US6679931 Method for recovering metallic chromium from slag containing chromium oxide |
| 01/20/2004 | CA2233388C Method for processing chromium oxide containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 01/13/2004 | US6676730 Boride powder |
| 01/08/2004 | US20040003680 Decomposition method for producing submicron particles in a liquid bath |
| 01/07/2004 | EP1377688A1 Method and apparatus for practicing carbonaceous-based metallurgy |
| 01/03/2004 | CA2434047A1 Decomposition method for producing submicron particles in a liquid bath |
| 01/02/2004 | EP1375686A1 Method of producing stainless steel by re-using waste material of a stainless steel producing process |
| 01/02/2004 | EP1373581A2 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 01/02/2004 | EP1373580A2 Modular shaft furnace for reduction smelting |
| 12/31/2003 | WO2004001077A1 A method of extracting at least zinc oxide from a material and a plant for use therein |
| 12/30/2003 | US6669470 Method for operating manufacturing equipment including heating furnace |
| 12/25/2003 | US20030233912 Method of producing stainless steel by re-using waste material of stainless steel producing process |
| 12/24/2003 | WO2003106082A1 Method for producing metal powder and formed product of raw material for metal |
| 12/24/2003 | WO2003106080A1 Method for preparing metallic alloy articles without melting |
| 12/24/2003 | CN1463212A Method for mfg. metal powder metal powder, conductive paste therefor, and laminated ceramic capacitor |
| 12/24/2003 | CA2488990A1 Method for preparing metallic alloy articles without melting |
| 12/18/2003 | US20030231974 Mixing the base-metal precursor compound and the alloying-element precursor compound to form a compound mixture, chemically reducing the compound mixture to a metallic alloy, without melting the metallic alloy, casting |
| 12/18/2003 | US20030230167 Producing precursor of desired morphology, converting precursor into oxide of valve metal, stabilizing structure of oxide by heat treatment, reducing stabilized oxide while retaining morphology; electrolyte capacitors |
| 12/16/2003 | US6663763 Ionization of titanium oxide cathodes, in electrical and electronic apparatus having graphite anodes and calcium oxide and chloride mixtures as electrolytes; electrolysis |
| 12/04/2003 | US20030221517 Article and method for treating molten metal bath |
| 11/26/2003 | CN1128978C Rotary hearth furnace |
| 11/20/2003 | WO2003096767A1 A plasma formed in a fluid |
| 11/20/2003 | US20030213338 Molybdenum metal |
| 11/20/2003 | CA2483753A1 A plasma formed in a fluid |
| 11/18/2003 | US6648878 Cryoplasty device and method |
| 11/18/2003 | CA2261501C Process and apparatus for producing metal from metal ores |
| 11/11/2003 | US6645444 Complex of metal and ligand; using reducing agent; catalyst |
| 11/06/2003 | WO2002079529A8 Method for direct metal making by microwave energy |
| 11/06/2003 | US20030206390 Powdered tantalum, niobium, production process thereof and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium |
| 10/29/2003 | EP1357195A2 Method for reducing wet waste from metal refining processes |
| 10/29/2003 | EP1355849A1 Storage, generation, and use of hydrogen |
| 10/29/2003 | CN1452593A Ultracoarse, monocrystalline tungsten carbide and method for producing same, and hard metal produced therefrom |
| 10/23/2003 | US20030196515 Process for producing metallic titanium |
| 10/23/2003 | US20030196514 Process for producing titanium sponge |
| 10/21/2003 | CA2078146C Process for producing metals and metal alloys in a smelt reduction vessel |
| 10/15/2003 | EP1080242B1 Tantalum-silicon alloys and products containing the same and processes of making the same |
| 10/15/2003 | CN1449452A High purity niobium and products containing the same, and methods of making the same |
| 10/15/2003 | CN1449451A Method and installation for the indirect reduction of particulate oxide-containing ores |
| 10/09/2003 | US20030188603 Comprises mixing blast-furnace sludge with iron-oxide containing powder, agglomerating, feeding into continuous hearth, then heating to remove zinc |
| 10/08/2003 | EP1350856A2 Method for making reduced iron using blast-furnace sludge |
| 10/08/2003 | CN1123415C Process for prodn. of ultrafine powders |
| 10/07/2003 | US6629838 Endothermic heat treatment of solids loaded on trolleys moving in a kiln |
| 10/02/2003 | WO2003080874A1 Process and apparatus for the direct reduction of iron oxides in an electrothermal fluidized bed and resulant product |
| 10/01/2003 | EP1348038A1 Plasma reduction processing of materials |
| 10/01/2003 | CN1122728C Whole coal powder wet duriron smelting technology |
| 10/01/2003 | CN1122724C Whole coal powder wet Mn-Si alloy smolting technology |
| 09/30/2003 | US6626976 Heating a precursor material to a first temperature in the presence of a reducing agent; precursor material comprises nanoparticles of molybdic oxide (MoO3); hydrogen |
| 09/24/2003 | EP1346072A1 Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |