| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 07/11/2000 | US6086655 Reactor chamber where the oxide or other metal compounds are subject to an intense agitation and vibrations thus generating heat in the material. |
| 07/06/2000 | DE19859354A1 Verfahren und Vorrichtung zur Erzeugung von Metall aus Metallerzen Method and apparatus for producing metal from metal ores |
| 07/05/2000 | EP1015648A1 Hard material titanium carbide based alloy, method for the production and use thereof |
| 07/05/2000 | EP0808378B1 Process for processing waste or fractions thereof, especially light car shredder fractions |
| 07/04/2000 | US6083295 Method of processing finely divided material incorporating metal based constituents |
| 06/29/2000 | WO2000037691A1 Method and apparatus for the production of aluminium from alumina ore by aluminiumsulfide process |
| 06/29/2000 | DE19961331A1 Federartiger Kupferfaserkörper, Verfahren zur Herstellung desselben und Kupfermikrospirale Copper of the same spring-like fiber body, methods for preparing and copper microcoil |
| 06/29/2000 | DE19852077C1 Precious metal recovery process, especially for gold recovery from ores, sands or rocks, comprises low temperature smelting of a mixture of ground ore and alkali and then hydrothermally treatment |
| 06/28/2000 | EP1013778A1 Method and apparatus for producing metal from metal ores |
| 06/14/2000 | EP1007750A1 Titanium alloy based dispersion-strengthened composites |
| 06/14/2000 | EP1007749A1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 05/31/2000 | EP1004543A1 Production method of iron carbide |
| 05/31/2000 | DE19853836A1 Direct reduction of oxide using modified furnace |
| 05/30/2000 | US6068677 Method for processing waste or waste fractions, in particular car shredder light fractions |
| 05/18/2000 | WO2000007760A8 Purification process for chromium |
| 05/16/2000 | US6063155 Fluidized bed process for the production of iron carbide |
| 05/11/2000 | WO2000026420A1 Method of producing molten iron in duplex furnaces |
| 05/10/2000 | CN1252454A Method for using low temperature rectification combinea blast furnace and direct reduction reactor |
| 05/03/2000 | EP0997693A2 Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification |
| 05/03/2000 | EP0997542A1 Niobium powder and method for its production |
| 05/03/2000 | EP0931167B1 Device for dosed introduction of fine particle material into a reactor vessel |
| 04/26/2000 | CN1251325A Niobium powder and method for producing niobium and/or tantalum powder |
| 04/20/2000 | WO2000022176A1 A process and an apparatus for producing metals and metal alloys |
| 04/20/2000 | DE19847012A1 Niobpulver und Verfahren zu dessen Herstellung Niobium powder and process for its preparation |
| 04/19/2000 | EP0828689A4 Metal and fluorine values recovery from fluoride salt matrices |
| 04/19/2000 | CN1051580C Method of reducing metal oxide in rotary harth furnace heated by oxidizing flame |
| 04/12/2000 | EP0808227B1 Method for the reduction of metallic compounds |
| 04/11/2000 | US6048382 Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags |
| 04/04/2000 | US6045602 Method for integrating a blast furnace and a direct reduction reactor using cryogenic rectification |
| 03/30/2000 | WO2000017404A1 Method for producing directly reduced metal in a multi-tiered furnace |
| 03/30/2000 | DE19853747C1 Combined process for direct reduction of fine ores involves extraction of non-fluidized ore from the first chamber of the horizontal fluidized bed trough, and full reduction of this ore in the counter-flow reactor |
| 03/30/2000 | CA2343212A1 Method for producing directly reduced metal in a multi-tiered furnace |
| 03/29/2000 | CN1249004A Production method of iron carbide |
| 03/29/2000 | CN1248959A Production method of iron carbide |
| 03/29/2000 | CN1248503A Metal power and its preparation process and electric conductivity paste |
| 03/22/2000 | CN1247901A Combined iron direct-reducing system |
| 03/16/2000 | WO2000014285A1 A direct smelting process |
| 03/15/2000 | EP0985735A1 Integrated directly reduced iron production and power generation |
| 03/15/2000 | EP0985474A2 Metal powder, method for producing the same by reduction of metallic salt, and conductive pastes containing this metal powder |
| 03/08/2000 | CN1246895A Method for treating material containing metal and organic matter, including metal separation |
| 02/29/2000 | US6030432 Fractionating fine ore by aid of reducing gas into coarse grain fraction and fine grain fraction, reducing each fraction by the reducing gas in a separate fluidized bed, directly injecting secondary reducing gas, discharging reduced ore |
| 02/24/2000 | WO2000009766A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/24/2000 | CA2336964A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 02/23/2000 | EP0980287A2 Process for regulating a circulating fluidised bed and use of the process |
| 02/23/2000 | CN1245538A Direct reduction of metal oxide agglomerates |
| 02/17/2000 | WO2000007760A1 Purification process for chromium |
| 02/16/2000 | EP0979313A1 Method for thermal treatment of granulated iron ore before reduction |
| 02/16/2000 | EP0979208A1 Composition and method for reducing copper oxide to metallic copper |
| 02/10/2000 | WO2000006783A1 A direct smelting process |
| 02/10/2000 | WO2000006328A1 A process for manufacturing of metallic powder |
| 02/08/2000 | US6022396 Process for treatment of residues which arise in industrial processes and in waste incineration |
| 02/03/2000 | WO2000005424A1 Method for producing zinc using the is process in an is shaft furnace and corresponding is shaft furnace |
| 01/27/2000 | WO2000004197A1 Induction furnace for a metal reduction and melting process |
| 01/27/2000 | DE19841980A1 Imperial smelting shaft furnace installation for zinc production is operated by blowing a finely granulated powder mixture of a carbon carrier and a powder containing zinc into a bottom region of the furnace |
| 01/26/2000 | EP0865508B1 Treatment of waste products that contain organic substances |
| 01/19/2000 | EP0972088A1 Process for treating a material containing metal and organic matter, including metal separation |
| 01/18/2000 | US6015527 Facility for producing reduced iron |
| 01/13/2000 | WO2000001856A1 Method and apparatus for reducing iron-oxides-particles having a broad range of sizes |
| 01/13/2000 | WO2000001855A1 A direct smelting process |
| 01/13/2000 | WO2000001854A1 Direct smelting vessel and direct smelting process |
| 01/13/2000 | DE19849746A1 Resistors are produced in ICs e.g. memory and logic circuits |
| 01/13/2000 | DE19830520A1 Process and reactor for extracting at least one nonferrous metal by direct, batch-mode melting |
| 01/12/2000 | CN1241166A Production method of iron carbide |
| 01/05/2000 | EP0968311A1 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor |
| 12/29/1999 | EP0950117A4 A method and an apparatus for producing metals and metal alloys |
| 12/22/1999 | EP0965651A2 Pyrometallurgical processing of metal and organics containing waste in a smelt chamber |
| 12/21/1999 | US6004373 Method for producing iron carbide |
| 12/16/1999 | WO1999064638A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 12/15/1999 | EP0963946A1 Production method of iron carbide |
| 12/15/1999 | CN1238810A Device for dosed introduction of fine particle material into reactor vessel |
| 12/15/1999 | CN1238809A Method and apparatus for producing metals and metal alloys |
| 12/15/1999 | CA2274188A1 Process for pyrometallurgical processing, in a furnace chamber, of metal-containing waste |
| 12/14/1999 | US6001148 Process for obtaining metal from metal oxide |
| 12/07/1999 | US5997596 Oxygen-fuel boost reformer process and apparatus |
| 12/02/1999 | WO1999061672A1 Tantalum-silicon alloys and products containing the same and processes of making the same |
| 12/02/1999 | WO1999061670A1 Tantalum sputtering target and method of manufacture |
| 12/02/1999 | DE19822663A1 Sinteraktive Metall- und Legierungspulver für pulvermetallurgische Anwendungen und Verfahren zu deren Herstellung und deren Verwendung Sinter-active metal and alloy powders for powder metallurgy applications and processes for their preparation and their use |
| 11/30/1999 | US5993569 Silicon-containing iron powders |
| 11/25/1999 | WO1999059755A1 Sinter-active metal and alloy powders for powder metallurgy applications and methods for their production and their use |
| 11/24/1999 | EP0958386A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 11/24/1999 | EP0842305B1 Process for treating filter ashes arising from waste treatment |
| 11/24/1999 | CN1236399A Process for obtaining titanium or other metals using shuttle alloys |
| 11/23/1999 | US5989308 Including a direct-reduction shaft furnace for processing lumpy iron ore and a fluidized bed reactor for processing fine ore |
| 11/17/1999 | CN1235644A Process for returning finely dispersed solids discharged with carrier gas from reactor vessel |
| 11/09/1999 | US5980605 Carbothermal production of alkali metals |
| 11/03/1999 | EP0953057A1 Process for returning finely dispersed solids discharged with a carrier gas from a reactor vessel |
| 11/02/1999 | US5976217 Method for the reduction of metallic compounds |
| 11/02/1999 | CA2130223C Method and apparatus for the removal of hydrogen sulfide from a process gas stream |
| 10/27/1999 | EP0952398A2 Air supply method and device for burning particulate fuel |
| 10/27/1999 | EP0951572A1 Process for obtaining titanium or other metals using shuttle alloys |
| 10/27/1999 | CN1233293A Method for blowing fine particles containing metal oxide into a reducing gas |
| 10/21/1999 | DE19817121A1 Verfahren und Vorrichtung zur Zuführung des Windes zur Verbrennung von stückigem Brennstoff Method and device for supplying the wind to the combustion of fuel lumpy |
| 10/20/1999 | EP0950117A1 A method and an apparatus for producing metals and metal alloys |
| 10/20/1999 | EP0679197B1 Process for manufacturing corrosion resistant metal products |
| 10/20/1999 | CN1232538A Method for feeding and directing reaction gas and solids into smelting furnace and multiadjustable burner designed for said purpose |
| 10/19/1999 | US5968228 Efficient, low temperature reduction of cobalt oxide with ammonia or nitrogen/hydrogen gas mixture while continuously raising temperature to between 300 to 550 degrees c to yield high purity cobalt |
| 10/13/1999 | EP0949338A2 Fluidized bed process for the production of iron carbide |
| 10/13/1999 | EP0948654A1 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method |
| 10/06/1999 | EP0946767A1 Recovery of iron products from waste material streams |
| 10/06/1999 | EP0946757A1 Method for blowing fine particles containing metal oxide into a reducing gas |