| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 09/22/1998 | CA2104086C Metallothermal reaction mixture |
| 09/16/1998 | EP0864658A1 Refining iron ore |
| 09/11/1998 | WO1998038934A1 Cryoplasty device and method |
| 09/09/1998 | EP0862657A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 09/03/1998 | WO1998038342A1 Production method of iron carbide |
| 09/03/1998 | WO1998038129A1 Production method of iron carbide |
| 09/03/1998 | WO1998038128A1 Production method of iron carbide |
| 09/03/1998 | DE19706348C1 Vorrichtung zur Direktreduktion von Feinerzen Apparatus for direct reduction of fine ores |
| 09/03/1998 | CA2276576A1 Production method of iron carbide |
| 09/03/1998 | CA2276574A1 Production method of iron carbide |
| 09/03/1998 | CA2263681A1 Production method of iron carbide |
| 09/02/1998 | EP0795036A4 Method for producing iron feedstock |
| 08/20/1998 | WO1998036102A1 Refining zinc sulphide ores |
| 08/13/1998 | WO1998035063A1 Method and device for direct reduction of ore fines |
| 08/13/1998 | CA2250414A1 Method and device for direct reduction of ore fines |
| 08/05/1998 | EP0787214B1 Plant and process for producing raw iron and/or sponge iron |
| 07/29/1998 | EP0854765A1 Process for the production of ultrafine particles |
| 07/15/1998 | EP0852692A1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 07/14/1998 | US5779761 Exothermic reduction of metal halide vapors by immersion into flowing melt of alkali or alkaline earth metal reducing agent without product metal or alloy powder being sintered; continuous processing |
| 07/01/1998 | CN1186522A Process for recovering metals from iron oxide bearing masses |
| 06/30/1998 | US5772955 Apparatus for suspension smelting |
| 06/30/1998 | US5772727 Process for the production of metal from metal ores |
| 06/25/1998 | WO1998027239A1 Direct reduction of metal oxide agglomerates |
| 06/25/1998 | DE19653326A1 Direct ore reduction with reduced gas reheater metal dusting problem |
| 06/23/1998 | US5769922 Reacting vanadium pentoxide with aluminum in presence of ruthneium by aluminothermic reduction, separation of molten alloy and cooling |
| 06/17/1998 | EP0848068A2 Plant and process for producing raw iron and/or sponge iron |
| 06/16/1998 | US5766544 Rotating, heating retort containing particulate material, injecting additional material to effect reaction, controlling temperature, rate of injection |
| 06/10/1998 | DE19704566C1 Direct reduction of fine ores with wide distribution of particle sizes |
| 06/03/1998 | EP0845541A2 Plant and process for producing raw iron and/or sponge iron |
| 06/02/1998 | US5759503 Method for the further purification of zinc oxide |
| 05/27/1998 | EP0843740A1 Reducing iron oxides in rotary hearth furnace |
| 05/22/1998 | WO1998021372A1 Method and apparatus for manufacturing reduced iron |
| 05/20/1998 | EP0842305A1 Process for treating residues arising in industrial processes and the burning of rubbish |
| 05/19/1998 | US5753006 Method for the aluminothermal production of molten steel |
| 05/07/1998 | WO1998018969A1 Process for returning finely dispersed solids discharged with a carrier gas from a reactor vessel |
| 05/05/1998 | US5748666 Method and furnace for treatment of ash |
| 04/16/1998 | WO1998015667A1 Reduction-melting process to form rare earth-transition metal alloys and the alloys |
| 04/16/1998 | WO1998015663A1 Device for dosed introduction of fine particle material into a reactor vessel |
| 04/16/1998 | WO1998015662A1 A method and an apparatus for producing metals and metal alloys |
| 04/16/1998 | WO1998015661A1 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method |
| 04/16/1998 | WO1998015660A1 Method for blowing fine particles containing metal oxide into a reducing gas |
| 04/16/1998 | CA2267793A1 Method for blowing fine particles containing metal oxide into a reducing gas |
| 04/16/1998 | CA2267776A1 A method and an apparatus for producing metals and metal alloys |
| 04/09/1998 | WO1998014741A1 Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose |
| 04/09/1998 | WO1998014622A1 Process for obtaining titanium or other metals using shuttle alloys |
| 04/09/1998 | CA2267601A1 Process for obtaining titanium or other metals using shuttle alloys |
| 04/08/1998 | EP0834177A1 Producing halogenated products from metal halide feeds |
| 04/08/1998 | CN1178316A Rotary hearth furnace |
| 04/08/1998 | CN1037983C Improved process for separating ilmenite and ilemenite treated by the process |
| 04/07/1998 | US5735933 Crushing metal containing wastes to specific particle size, and separating, heating in a vacuum furnace, volatizing non-metals then metal component at higher temperature, metal is recovred and condensed, non-metal is removed by adsorbtion |
| 04/01/1998 | EP0783590B1 Process for reducing oxide-containing material and system for carrying out this process |
| 03/18/1998 | EP0828689A1 Metal and fluorine values recovery from fluoride salt matrices |
| 03/17/1998 | US5728193 Process for recovering metals from iron oxide bearing masses |
| 03/11/1998 | EP0828127A1 Rotary hearth furnace |
| 03/10/1998 | US5725631 Composite charge for metallurgical processing |
| 03/06/1998 | CA2213668A1 Rotary hearth furnace |
| 02/25/1998 | EP0825269A2 Carbothermal production of alkali metals |
| 02/25/1998 | EP0825268A1 Production of elemental volatile metals by thermal reduction of their oxides with the aid of another metal in a solar reactor |
| 02/25/1998 | CN1174242A Comprehensive utilization method of multiple-metal intergrowing dolomite |
| 02/25/1998 | CN1037531C Method for producing easily volatile metals, such as zinc, lead and cadmium of sulphidic raw materials |
| 02/25/1998 | CN1037530C Method and apparatus for recovery of valuable metal |
| 02/20/1998 | CA2213311A1 Carbothermal production of alkali metals |
| 02/11/1998 | EP0474704B1 Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases |
| 02/10/1998 | US5717149 Method for producing halogenated products from metal halide feeds |
| 02/05/1998 | WO1998004878A1 Method of melting oxidic slags and combustion residues, and device for carrying out this method |
| 02/05/1998 | CA2232610A1 Method of arrangement for melting oxidic slags and combustion residues |
| 01/27/1998 | US5711783 Preparation from metal alkoxides of high purity metal powder |
| 01/21/1998 | EP0819183A1 Treatment of fly ash |
| 01/07/1998 | EP0815265A1 Process for reducing ore fines and arrangement for carrying out the process |
| 12/31/1997 | WO1997049835A1 Process and apparatus for production of useful iron product from industrial waste streams |
| 12/31/1997 | WO1997049637A1 Beneficiation of furnace dust for the recovery of chemical and metal values |
| 12/31/1997 | CA2259423A1 Beneficiation of furnace dust for the recovery of chemical and metal values |
| 12/31/1997 | CA2259325A1 Process and apparatus for production of useful iron product from industrial waste streams |
| 12/23/1997 | CA2052126C Molten metal producing and refining method |
| 12/18/1997 | WO1997047774A1 Method of charging metalliferous material into a smelting-gasification zone |
| 12/18/1997 | WO1997047773A1 Device for producing sponge iron |
| 12/18/1997 | DE19625127A1 Vorrichtung zur Erzeugung von Eisenschwamm Device for producing sponge iron |
| 12/18/1997 | CA2258004A1 Method of charging metalliferous material into a smelting-gasification zone |
| 12/18/1997 | CA2255076A1 Device for producing sponge iron |
| 12/11/1997 | WO1997046722A1 Recovery of iron products from waste material streams |
| 12/11/1997 | CA2257910A1 Recovery of iron products from waste material streams |
| 12/10/1997 | CN1167161A Reductive agent of silicon aluminium rare earth for metallurgy and preparation method thereof |
| 12/04/1997 | WO1997045564A1 Fluidized bed treatment of eaf dust |
| 12/04/1997 | CA2256726A1 Fluidized bed treatment of eaf dust |
| 11/27/1997 | WO1997044496A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 11/27/1997 | WO1997044495A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 11/27/1997 | CA2257492A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 11/26/1997 | EP0808378A1 Process for processing waste or fractions thereof, especially light car shredder fractions |
| 11/26/1997 | EP0808227A1 Method for the reduction of metallic compounds |
| 11/26/1997 | EP0777753A4 Method of making metals and other elements |
| 11/25/1997 | US5690717 Iron carbide process |
| 11/20/1997 | DE19720420A1 Metal production from metal oxide particles |
| 11/04/1997 | US5683489 Improved efficiency, adsorption of sulfur on surface, suppression of precipitation of free carbon |
| 11/04/1997 | US5683488 Method for producing an iron feedstock from industrial furnace waste streams |
| 10/30/1997 | WO1997040197A1 Metal containing compound reduction and melting process |
| 10/29/1997 | EP0802884A1 Recovery of chemical values from industrial wastes |
| 10/28/1997 | CA2090482C Process for separating ilmenite |
| 10/15/1997 | EP0801136A1 Process for reducing oxidic slags or refuse incinerator ashes on a bath of molten iron alloy |
| 10/14/1997 | US5676775 Process for manufacturing corrosion resistant metal products |
| 10/07/1997 | US5674308 Reaction of strong reducing gas mixture through series of beds allows intimate contact to facilitate direct reduction of iron oxide fines to metallized iron |