| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 09/26/2002 | US20020134199 Method for recovery of metals having low vaporization temperature |
| 09/26/2002 | DE10114445A1 Flat metal oxide-covered white iron pigment used for paint and printing comprises substrate of reduced carbonyl iron powder and oxide coating of transparent or selectively absorbent metal oxide |
| 09/26/2002 | CA2440243A1 Method and apparatus for practicing carbonaceous-based metallurgy |
| 09/25/2002 | EP1242639A1 Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace |
| 09/25/2002 | EP0972088B1 Process for treating a material containing metal and organic matter, including metal separation |
| 09/19/2002 | US20020132388 Tantalum sputtering target and method of manufacture |
| 09/18/2002 | EP1241421A2 Direct smelting plant |
| 09/17/2002 | US6451086 Using hearth furnace |
| 09/17/2002 | US6451085 Agglomeration of powder mixture |
| 09/05/2002 | US20020123019 Rotary hearth furnace for producing reduced metal and method of producing reduced metal |
| 09/04/2002 | EP1235942A1 Nickel powder desulfurisation |
| 08/27/2002 | US6440356 Apparatus for injecting gas into a vessel |
| 08/27/2002 | US6440195 Process and an apparatus for producing metals and metal alloys |
| 08/27/2002 | US6440193 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 08/22/2002 | US20020112792 Fluidization; materials handling; hermetic sealing; for use with metal powders |
| 08/20/2002 | US6438154 Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace |
| 08/15/2002 | WO2002040725A3 Metal and alloy powders and powder fabrication |
| 08/14/2002 | EP1230655A1 Capacitor powder |
| 08/14/2002 | EP1230407A1 Solid state reduction of oxides |
| 08/14/2002 | CN1363697A Vacuum distiller for reclaiming used batteries |
| 08/13/2002 | CA2232631C Treatment of waste products that contain organic substances |
| 08/08/2002 | WO2002061168A2 Methods of forming sputtering targets |
| 08/08/2002 | WO2001096620A3 High purity niobium and products containing the same, and methods of making the same |
| 08/07/2002 | CN1362308A Rotary kiln process of producing reducing ilmenite powder for welding electrode |
| 08/06/2002 | US6428603 Direct smelting process |
| 08/06/2002 | US6428601 Cobalt recovery process |
| 07/24/2002 | CN1360061A Rotary hearth furnace and method for producing reduced metal |
| 07/23/2002 | US6423114 Pressure control |
| 07/18/2002 | WO2002055746A1 Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 07/09/2002 | US6416728 Reducing, carburing raw material |
| 07/03/2002 | CN1357055A Method for receiving metallic chromium from slag contg. chromium oxide |
| 07/02/2002 | CA2171149C Reduced dusting bath system for continuous metallurgical treatment of sulfide materials |
| 06/27/2002 | WO2001098547A3 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 06/27/2002 | US20020078794 Ultra-coarse, monocrystalline tungsten carbide and a process for the preparation thereof, and hardmetal produced therefrom |
| 06/26/2002 | EP1217083A2 Production of synthetic rutile |
| 06/26/2002 | EP1216312A1 Process for manufacturing corrosion resistant composite metal products |
| 06/25/2002 | US6409797 Method of making metals and other elements from the halide vapor of the metal |
| 06/25/2002 | US6409791 Continuous process of metal working |
| 06/25/2002 | US6409790 Processing metal oxides with carbon and heat |
| 06/20/2002 | US20020073804 Oxidizing the objects of thoriated tungsten to form thorium-containing or thorium-oxide-containing tungsten oxide pieces, homogenizing tungsten oxide pieces, and reducing homogenized tungsten oxide pieces under hydrogen gas |
| 06/13/2002 | WO2002046482A1 Plasma reduction processing of materials |
| 06/13/2002 | US20020072475 High purity niobium and products containing the same, and methods of making the same |
| 06/12/2002 | EP1213362A2 Rotary hearth furnace for producing reduced metal and method of producing reduced metal |
| 06/12/2002 | EP1165845A4 Method and apparatus for removing undesirable metals from iron-containing materials |
| 06/12/2002 | CN1353771A Equipment for even feed of pulverous materials to concentrate burner of suspension smelting furnace |
| 06/12/2002 | CN1086209C Production method of high-grade silicon-calcium alloy and its ore-smelting furnace |
| 06/11/2002 | US6402807 Method for wet smelting of iron family metal bearing ores |
| 06/05/2002 | CN1352309A Process for producing iron alloy by using raw coal as reductant |
| 06/04/2002 | US6399016 Direct smelting plant |
| 06/04/2002 | US6398842 Apparatus for injecting solid particulate material into a vessel |
| 05/30/2002 | WO2002042513A2 Hollow cathode target and methods of making same |
| 05/29/2002 | CN1351182A Continuous one-step process for preparing metal molybdenium |
| 05/29/2002 | CN1085737C Process for preparing Ti-enriched material from ilmenite concentrate |
| 05/28/2002 | US6395060 Furnace flue dust processing method |
| 05/28/2002 | US6395045 Metal carbides, nitrides and borides, carbon reduced by smelting in arc or plasma furnace |
| 05/23/2002 | WO2002040748A1 Intermetallic compounds |
| 05/23/2002 | WO2002040725A2 Metal and alloy powders and powder fabrication |
| 05/23/2002 | CA2429024A1 Metal and alloy powders and powder fabrication |
| 05/22/2002 | CN1350595A 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 |
| 05/16/2002 | WO2002038815A1 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities |
| 05/16/2002 | CA2428780A1 Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities |
| 05/10/2002 | WO2002036836A1 Metal oxide-containing green pellet for reducing furnace, method for production thereof, method for reduction thereof, and reduction facilities |
| 05/10/2002 | WO2002036834A2 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 |
| 05/08/2002 | EP0862657B1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 05/08/2002 | CN1348015A Oxygen-rich air incoming stock using for non-ferrous metal production installation |
| 05/02/2002 | US20020050229 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 05/02/2002 | US20020050188 Direct smelting process |
| 05/02/2002 | US20020050187 Method for producing metallic iron |
| 05/02/2002 | US20020050185 Tantalum powder for capacitors characterized in that, a specific surface area SB as determined by the BET method is 1.3 m2/g or more, and SB/SF ratio between specific surface area SB and SF determined by Fischer Subsieve Sizer is 4-10 |
| 05/02/2002 | US20020050097 Method and apparatus for producing reformed gases |
| 04/30/2002 | US6379610 Apparatus and process for treating a particulate material within a rotating retort |
| 04/30/2002 | US6379426 Reducing iron oxide, oxidation and recovering iron oxides |
| 04/30/2002 | US6379424 Direct smelting apparatus and process |
| 04/30/2002 | US6379423 Device for sponge iron |
| 04/30/2002 | US6379421 Demetallization lead, zinc and cadmium from iron materials |
| 04/24/2002 | EP1198599A1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 04/24/2002 | CN1083489C Direct smelting process for producing metal from metal oxides |
| 04/23/2002 | CA2141406C Treatment of titaniferous materials |
| 04/18/2002 | WO2002012570A3 Method for producing metallic iron |
| 04/16/2002 | US6372017 Method for producing magnesium |
| 04/10/2002 | EP1194597A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 04/10/2002 | EP1194596A1 Method and installation with smelting and reduction cyclone and a coupled lower furnace for utilising residual material containing iron and heavy metals and optionally iron ore |
| 04/10/2002 | EP1007750A4 Titanium alloy based dispersion-strengthened composites |
| 04/10/2002 | CN1343795A V2O3 electro-aluminothermic process for semelting FeV50 |
| 04/10/2002 | CN1343794A V2O3 electro-aluminothermic process for smelting FeV |
| 04/09/2002 | US6368379 Hearth reducing furnace |
| 04/03/2002 | EP1193318A1 Method for recycling of articles consisting of thorium-tungsten |
| 04/03/2002 | EP1192288A1 Method for treating metal-containing waste by pyrometallurgy |
| 03/27/2002 | EP1190106A1 Fluidized bed reduction of laterite fines with reducing gases generated "in situ" |
| 03/27/2002 | CN1081783C Method and furnace construction to be used in processes for producing easily volatile metals |
| 03/26/2002 | US6361580 Continuous process for manufacturing aluminum metal from aluminum oxide and reducing gas (hydrocarbon gases like methane, carbon monoxide, or hydrogen) with valuable by-products; more efficient and economical process |
| 03/21/2002 | US20020033566 Oxygen-enriched air feed for a non-ferrous metal production unit |
| 03/20/2002 | EP1188843A1 Process and installation for supplying oxygen enriched air to a production unit of non-ferrous metals |
| 03/19/2002 | CA2177766C Method and apparatus of treating dusts containing oxides |
| 03/18/2002 | CA2357371A1 Oxygen-enriched air feed for a non-ferrous metal production unit |
| 03/14/2002 | WO2002020857A1 Method for producing silver having high purity |
| 03/14/2002 | WO2002020403A1 Ultracoarse, monorystalline tungsten carbide and method for producing the same, and hard metal produced therefrom |
| 03/14/2002 | US20020032438 Cryoplasty device and method |
| 03/14/2002 | US20020029660 Providing bed of agglomerates containing ore and carbonaceous reductant on hearth of furnace, heating radiant heat source to reduce iron oxides in ore or waste oxides to metallic iron |
| 03/14/2002 | US20020029656 Carbothermic aluminum production using scrap aluminum as a coolant |