| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 04/02/2003 | EP1088113B1 Electrolytic process for removing a substance from solid compounds |
| 04/01/2003 | US6540851 Tantalum-silicon alloys and products containing the same and processes of making the same |
| 03/27/2003 | WO2002075001A3 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 03/27/2003 | WO2002075000A3 Modular shaft for reduction smelting |
| 03/27/2003 | US20030057101 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 03/26/2003 | EP1294953A1 Device for directly reducing ore fine and installation for carrying out said method |
| 03/26/2003 | EP1042514A4 Method for reforming reducing gas in a fluidized bed process for reduction of ore |
| 03/25/2003 | US6537342 Induction heater located at the bottom center line of the vessel, with the longitudinal access oriented perpendicular to the access of the vessel |
| 03/25/2003 | CA2199268C Method for recovering metal and chemical values |
| 03/19/2003 | EP1292716A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 03/19/2003 | CN1404530A Electrolytic reduction of metal oxides such as titanium dioxide and process application |
| 03/19/2003 | CN1403605A Titanic iron ore separating process |
| 03/13/2003 | WO2003020989A1 High temperature metal recovery process |
| 03/13/2003 | WO2002061168A3 Methods of forming sputtering targets |
| 03/13/2003 | US20030047463 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 03/13/2003 | US20030047462 Electrolysis of mixed metal oxide feedstock in a fused metal salt or a mixture of such salts under conditions such that ionisation of oxygen rather than metal deposition occurs and that oxygen dissolves in the electrolyte |
| 03/13/2003 | US20030047038 Raw material compring metal oxide and/or the metal hydroxide such as iron ore mixed with carbonaceous material is in a prereduction furnace; melting and reducing the mixture of raw materials using combustion heat of the carbonaceous material |
| 03/13/2003 | US20030047035 High temperature metal recovery process |
| 03/12/2003 | CN1102872C Purification process for chromium |
| 03/11/2003 | US6530970 Method for recovering aluminum vapor and aluminum suboxide from off-gases during production of aluminum by carbothermic reduction of alumina |
| 03/06/2003 | US20030041691 Method and apparatus for controlling temperature uniformity of the burden in a direct reduction shaft furnace |
| 03/05/2003 | EP1287172A2 High purity niobium and products containing the same, and methods of making the same |
| 02/26/2003 | CN1399688A Method and facilities for metal smelting |
| 02/25/2003 | US6524356 Combusting a first supply of a liquid/gaseous hydrocarbon, with oxygen in first stage to provide flame gases, passing it into second stage, injecting a second supply of hydrocarbon, reacting with flame gas to form carbon monoxide and hydrogen |
| 02/18/2003 | US6521040 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 02/12/2003 | EP1102651A4 Purification process for chromium |
| 02/12/2003 | CN1396961A Method for removing chrome and/or nickel from liquid slags |
| 02/11/2003 | US6517603 Reducing metal oxides in a shaft furnace and controlling temperature of off gas from the reaction of a charge of metal oxide and reducing agent producing primary metal, wherein second metal remains in off gas |
| 02/05/2003 | EP0843740B1 Reducing iron oxides in rotary hearth furnace |
| 01/30/2003 | WO2003008652A1 Method of manufacturing metal iron |
| 01/30/2003 | WO2002090604A3 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 01/30/2003 | US20030019746 Hollow cathode target and methods of making same |
| 01/23/2003 | US20030015315 Method for operating manufacturing equipment including heating furnace |
| 01/22/2003 | EP1276912A1 A direct smelting process and apparatus |
| 01/15/2003 | EP1274870A1 Ferroalloy production |
| 01/14/2003 | US6506230 Method for increasing productivity of direct reduction process |
| 01/09/2003 | WO2003002785A1 Reduction of metal oxides in an electrolytic cell |
| 01/09/2003 | WO2002036834A8 Method and apparatus for utilising recyclings containing iron and heavy metals while involving the use of a melting cyclone, a separating vessel, and a vessel for carrying out metallurgical treatment |
| 01/09/2003 | US20030008145 Complex of metal and ligand; using reducing agent; catalyst |
| 01/08/2003 | EP1144696A4 Method of producing molten iron in duplex furnaces |
| 01/08/2003 | CN1390265A Solid state reduction of oxides |
| 01/08/2003 | CN1389586A Method of compounding furnace charge for one-step process of producing RE ferro-silicon alloy |
| 01/07/2003 | US6503475 Milling; nanosized grains of precursor metal compound uniformly dispersed in nonreactant diluent; heat conversion to metal oxide; dissolution removal of diluent; such as cerium oxide from cerium hydroxide and sodium chloride |
| 01/02/2003 | EP1268105A1 Method for manufacturing metal parts |
| 12/27/2002 | WO2002102533A1 Method for producing metal powder and metal powder, and electroconductive paste and monolithic ceramic capacitor |
| 12/27/2002 | CA2448381A1 Method for manufacturing metal nuggets |
| 12/25/2002 | CN1387667A 电容器粉末 Capacitor powder |
| 12/25/2002 | CN1387584A Method for reduction of nickel |
| 12/19/2002 | WO2002101309A1 An apparatus for the extraction of metallic magnesium |
| 12/19/2002 | WO2002101102A1 Method of recycling metallic coated scrap pieces |
| 12/19/2002 | WO2002095078A8 Aluminum shapes, method and reactor for the production of aluminum and aluminum shapes by carbothermic reduction of alumina |
| 12/19/2002 | WO2002000945A1 Method and installation for the indirect reduction of particulate oxide-containing ores |
| 12/18/2002 | EP1109943B1 Induction furnace for a metal reduction and melting process |
| 12/17/2002 | US6494933 Method of utilizing secondary raw materials containing iron, zinc and lead |
| 12/11/2002 | EP0946757B1 Method for blowing fine particles containing metal oxide into a reducing gas |
| 12/10/2002 | US6491738 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus |
| 12/03/2002 | US6488901 Part of the carrier gas is recovered, mixed with a propellant and returned to the bed; corrosive damages of the plant components and damages due to the precipitation of salts are largely avoided |
| 11/28/2002 | WO2002095079A1 Method for aluminum recovery from al-vapor and aluminum suboxide containing off-gases produced by carbothermic reduction of alumina |
| 11/28/2002 | WO2002095078A1 Aluminum shapes, method and reactor for the production of aluminum and aluminum shapes by carbothermic reduction of alumina |
| 11/21/2002 | US20020170387 Method for recovering aluminum vapor and aluminum suboxide from off-gases during production of aluminum by carbothermic reduction of alumina |
| 11/20/2002 | EP1257679A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 11/20/2002 | EP1257678A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 11/20/2002 | EP1257677A1 Method of manufacture for ferro-titanium and other metal alloys by electrolytic reduction |
| 11/20/2002 | EP0950117B1 A method for producing metals and metal alloys |
| 11/19/2002 | US6482351 Apparatus for producing reduced iron |
| 11/14/2002 | WO2002090606A1 Metallothermic method for recovering rare-earth metals from fluorides thereof used for producing alloys and batch for carrying out said method. |
| 11/14/2002 | WO2002090604A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 11/14/2002 | US20020167120 Mercury recovery method and mercury recovery apparatus |
| 11/14/2002 | US20020166412 Smelting reduction apparatus which separates exhaust gas, which is exhausted from a melter-gasifier or a fluidized bed reactor, into dusts and reducing gas to supply them to each fluidized bed reactor; for manufacturing molten pig iron |
| 11/13/2002 | CN1379430A Method and device for separating and recovering mercury |
| 11/12/2002 | US6478848 Direct smelting process |
| 11/12/2002 | US6478839 Method of induction-heat melting treatment of metal-oxide-containing powders and device therefor |
| 11/07/2002 | US20020162417 Producing cobalt carbonyl and nickel carbonyl and iron carbonyl from metallic species mixture; separating cobalt carbonyl; treating cobalt carbonyl with nitric oxide and carbon monoxide to form complex; decomposition |
| 11/06/2002 | EP1007749B1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 11/05/2002 | US6475264 Direct smelting process |
| 11/05/2002 | US6475260 Reacting alumina with carbon by heating to produce a molten body comprising aluminum and aluminum carbide; mixing with molten body a solid coolant comprising aluminum or aluminum alloy, separating precipitated aluminum carbide |
| 10/30/2002 | EP1253207A1 Method and facilities for metal smelting |
| 10/30/2002 | EP1252347A1 Method for removing chrome and/or nickel from liquid slags |
| 10/30/2002 | CN1377425A Method for producing lithium and device therefor |
| 10/24/2002 | US20020152844 Introducing the halide vapor or mixtures thereof into a continuum of a liquid alkali metal or a liquid alkaline earth metal or mixtures thereof to convert the halide vapor to elemental material or an alloy |
| 10/23/2002 | EP1251153A1 Soft iron pigments |
| 10/23/2002 | CN1376210A Process for manufacturing corrosion resistant metal products |
| 10/17/2002 | US20020148327 Metal halides are contacted with stream of liquid alkali metal/mixture; for production of titanium; passivation |
| 10/15/2002 | US6464753 Furnace flue dust processing method |
| 10/15/2002 | US6464750 Method of preparing metal powders, metal powders prepared in this way and compacts that include these powders |
| 10/10/2002 | WO2002079529A1 Method for direct metal making by microwave energy |
| 10/10/2002 | WO2002079521A1 Method for recovering recyclable metals contained in solid residues from iron and steel industries by means of carbothermic reduction and distillation, in solid and liquid states |
| 10/09/2002 | EP1157139B1 Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 10/09/2002 | EP1108070B1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 10/09/2002 | EP1105544B1 Method for producing zinc using the is process in an is shaft furnace |
| 10/09/2002 | CN2515206Y Double-pot type metal zirconium reduction device |
| 10/09/2002 | CN1092240C Titanium alloy based dispersion-strengthened composites |
| 10/03/2002 | WO2002036834A3 Method and apparatus for utilising recyclings containing iron and heavy metals while involving the use of a melting cyclone, a separating vessel, and a vessel for carrying out metallurgical treatment |
| 10/02/2002 | EP1245687A2 Method and apparatus for mercury recovery from waste fluorescent lamps |
| 10/02/2002 | EP1244818A1 Method and installation for reducing ore fines in a multi-stage suspension gas stream using a cyclone separator |
| 09/26/2002 | WO2002075002A1 Method and apparatus for practicing carbonaceous-based metallurgy |
| 09/26/2002 | WO2002075001A2 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 09/26/2002 | WO2002075000A2 Modular shaft for reduction smelting |
| 09/26/2002 | US20020135109 Modular furnace |
| 09/26/2002 | US20020134282 Soft iron pigments |