| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 03/14/2002 | DE19936935C2 Verfahren und Vorrichtung zur Leistungssteigerung und Brennstoffeinsparung bei der Erzeugung von Roheisen Method and apparatus to improve performance and fuel savings in the production of pig iron |
| 03/14/2002 | DE10043792A1 Ultragrobes, einkristallines Wolframkarbid und Verfahren zu dessen Herstellung; Ultra-coarse, single-crystalline tungsten carbide, and process for its production; und daraus hergestelltes Hartmetall and it produced carbide |
| 03/13/2002 | EP1186675A1 Apparatus for controlling introduced air in metal oxide reducing furnace |
| 03/12/2002 | US6355088 Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags |
| 03/07/2002 | US20020027317 Apparatus for controlling introduced air in metal oxide reducing furnace |
| 03/05/2002 | US6352572 Process for the thermal treatment of granulated iron ore prior to the reduction |
| 02/28/2002 | WO2002016660A1 Reduction method using palladium-loaded biological cell as catalyst |
| 02/14/2002 | WO2002012570A2 Method for producing metallic iron |
| 02/06/2002 | EP1177322A2 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor |
| 02/05/2002 | US6344067 Precious metal-containing concentrates are subjected to high temperature chlorination using hcl gas, an optional reduction, an oxidation and finally a reduction, to remove most of the base metals especially the amphoteric elements. |
| 01/31/2002 | US20020011290 Uniformity of tensile strength; tantalum is the predominant metal present. |
| 01/31/2002 | US20020011133 Furnace flue dust processing method |
| 01/31/2002 | DE19782202C2 Direktreduktion von Metalloxid-Agglomeraten Direct reduction of metal oxide agglomerates |
| 01/29/2002 | US6342089 Reduced iron pellets from iron oxide |
| 01/29/2002 | CA2038767C Metallic vapor condenser capable of circulating a liquid metal |
| 01/24/2002 | US20020007699 Apparatus and method for optimizing the use of oxygen in the direct reduction of iron |
| 01/23/2002 | CN1332263A Whole coal powder wet duriron smelting techonlogy |
| 01/23/2002 | CN1332257A Whole coal powder wet Mn-Si alloy smelting technology |
| 01/17/2002 | US20020005090 Reduction using liquid alkaline or alkaline earth metal |
| 01/17/2002 | US20020005089 Method of and apparatus for manufacturing the metallic iron |
| 01/17/2002 | US20020005088 Boride powder |
| 01/10/2002 | US20020003324 Apparatus for producing reduced iron |
| 01/09/2002 | CN1330723A Method of producing molten iron in duplex furnaces |
| 01/08/2002 | US6337058 Process for producing calcium sulfide |
| 01/08/2002 | US6337057 Process for the direct production of germanium tetrachloride from hydrated germanate-containing solids using gaseous hydrogen chloride |
| 01/08/2002 | US6336967 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 01/03/2002 | WO2002103064A1 Method for producing granular metal |
| 01/03/2002 | WO2002000944A1 Method and device for directly reducing particulate oxide-containing ores |
| 01/03/2002 | WO2002000943A1 Device for directly reducing ore fine and installation for carrying out said method |
| 01/02/2002 | EP1165846A1 Endothermic heat treatment of solids loaded on trolleys moving in a kiln |
| 01/02/2002 | EP1165845A2 Method and apparatus for removing undesirable metals from iron-containing materials |
| 12/27/2001 | WO2001098547A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 12/26/2001 | CN1076759C Method for making metals and other elements |
| 12/20/2001 | WO2001096620A2 High purity niobium and products containing the same, and methods of making the same |
| 12/20/2001 | US20010052272 Production of high titania slag from ilmenite |
| 12/19/2001 | EP1163567A2 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
| 12/19/2001 | CN1327076A Process for producing iron alloy by using raw wal instead of coke |
| 12/19/2001 | CN1327072A Method and device for making metal iron |
| 12/13/2001 | US20010049981 Continuous single stage process for the production of molybdenum metal |
| 12/12/2001 | EP1162281A1 Continous single stage process for the production of molybdenum metal |
| 12/12/2001 | EP0783593B1 Method for recovering metal and chemical values |
| 12/05/2001 | EP1160336A1 Method of and apparatus for manufacturing metallic iron |
| 11/29/2001 | WO2001089747A1 Alloy powder for rare earth magnet and method for extracting the same |
| 11/29/2001 | WO2001046478A3 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor |
| 11/29/2001 | US20010046251 Method and apparatus for recovering metal values from liquid slag and baghouse dust of an electric arc furnace |
| 11/29/2001 | US20010045142 Process for thermal treatment of residual materials containing heavy metal and iron oxide |
| 11/28/2001 | EP1157139A1 Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 11/28/2001 | EP1157136A1 Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
| 11/28/2001 | CN1075560C Method and equipment for producing direct reduced iron |
| 11/27/2001 | US6323055 Purifying k2taf7; reducing the purified ktaf7 to produce tantalum powder, refining the tantalum by reacting with iodine and finally electron beam melting the tantalum to form a high purity tantalum ingot. |
| 11/27/2001 | US6322745 Direct smelting vessel and direct smelting process |
| 11/21/2001 | CN1323357A A process and an apparatus for producing metals and metal alloys |
| 11/15/2001 | WO2001062996A9 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 11/07/2001 | EP1015648B1 Hard material titanium carbide based alloy, method for the production and use thereof |
| 11/07/2001 | CN1320707A Directly smelting apparatus |
| 11/01/2001 | WO2001081637A1 A direct smelting process and apparatus |
| 11/01/2001 | US20010036436 Reducing, carburing raw material |
| 10/31/2001 | CN1320168A Apparatus and method of producing tantalum by continuous process |
| 10/30/2001 | US6309441 Reduction-melting process to form rare earth-transition metal alloys and the alloys |
| 10/25/2001 | WO2001079572A1 Ferroalloy production |
| 10/25/2001 | US20010033046 Apparatus for injecting gas into a vessel |
| 10/24/2001 | EP1147236A1 Carbothermic aluminium production using scrap aluminium as coolant |
| 10/24/2001 | CN1319143A Method for producing directly reduced metal in multi-tiered furnace |
| 10/18/2001 | US20010030389 Apparatus for producing reduced iron |
| 10/17/2001 | EP1144696A1 Method of producing molten iron in duplex furnaces |
| 10/10/2001 | EP1141425A1 Method and apparatus for the production of aluminium from alumina ore by aluminium sulfide process |
| 10/04/2001 | WO2001072456A1 Method for manufacturing metal parts |
| 10/04/2001 | EP1137815A1 A process and an apparatus for producing metals and metal alloys |
| 10/04/2001 | EP0904420B1 Metal containing compound reduction and melting process |
| 10/04/2001 | EP0852692B1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 10/03/2001 | CN1315649A Equipment for jetting granular material into container |
| 10/03/2001 | CN1315648A Device for blowing gas into metallurgical furnace |
| 10/03/2001 | CN1072263C Method and device for blowing fine particles containing metal oxide into reducing gas |
| 10/02/2001 | US6296479 Direct reduction method and rotary hearth furnace |
| 09/27/2001 | DE10014403A1 Process for the powder metallurgy production of metal bodies comprises mixing a metal compound powder such as oxide powder with a rheology-improving additive, removing the additive; and reducing the metal compound using a reducing gas |
| 09/26/2001 | EP1029091B1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed |
| 09/26/2001 | CN1314954A Direct smelting process |
| 09/26/2001 | CN1314498A Process for making Al-Si alloy |
| 09/26/2001 | CN1071796C Method and apparatus for producing iron and iron alloys from iron containing oxide |
| 09/25/2001 | US6293209 Process for treating a material containing metal and organic matter, including metal separation |
| 09/21/2001 | CA2301482A1 An aluminothermic method for the assay and recovery of metals and precious metals from ores and their concentrates |
| 09/20/2001 | US20010022417 Direct smelting plant |
| 09/19/2001 | EP0953057B1 Process for returning finely dispersed solids discharged with a carrier gas from a reactor vessel |
| 09/18/2001 | US6290696 Cryoplasty device and method |
| 09/13/2001 | WO2001066809A1 Chromium-containing metal and method for producing the same |
| 09/12/2001 | CN1312864A A direct smelting process |
| 09/12/2001 | CN1312862A Method for heat-treating residues containing heavy metal and iron oxide |
| 09/12/2001 | CN1070925C Device and method for dosed introduction of fine particle material into reactor vessel and apparatus for producing metal flux |
| 09/12/2001 | CN1070924C Apparatus and process for returning finely dispersed solids discharged with carrier gas from reactor vessel |
| 09/05/2001 | EP1090153A4 Tantalum sputtering target and method of manufacture |
| 09/05/2001 | CN1311723A Purification process for chromium |
| 09/04/2001 | US6284017 Method and facility for producing reduced iron |
| 08/30/2001 | WO2001062996A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/30/2001 | WO2001062995A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 08/30/2001 | WO2001062994A1 Method of manufacture for ferro-titanium and other metal alloys electrolytic reduction |
| 08/30/2001 | CA2401034A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/29/2001 | CN1310768A Method for producing zinc using IS shaft furnace and corresponding IS shaft furnace |
| 08/29/2001 | CN1310241A Reduction and sulfonium making smelting process with non-ferrous sulfide ore and sulfide containing material |
| 08/29/2001 | CN1070236C Direct reduction method and equipment for iron-containing metal oxide agglomerates |
| 08/23/2001 | US20010015516 Apparatus for injecting solid particulate material into a vessel |