| Patents for C22B 5 - General processes of reducing to metals (5,378) |
|---|
| 09/28/1999 | US5958156 Process for treating a particulate material within a rotating retort |
| 09/28/1999 | US5958106 Method of making metals and other elements from the halide vapor of the metal |
| 09/14/1999 | US5951740 Production of direct reduced iron with reduced fuel consumption and emission of carbon monoxide |
| 09/02/1999 | WO1999043859A1 Method for production of aluminium |
| 09/02/1999 | CA2321708A1 Method for production of aluminium |
| 08/31/1999 | US5944870 Method of manufacturing pig iron or steel and cement clinker from slags |
| 08/24/1999 | US5942198 Mixing flue dust with coal fines forming briquettes and adding to final furnace batch to form zinc containing dust; dissolving zinc containing dust forming intermediate solution; filtering, precipitating and filtering zinc oxide |
| 08/17/1999 | US5938815 Supplying mixture of ore, oxygen gas, carbon to secondary reactor for low temperature partial reduction of ore to form calorific gas products, further reduction of hot solids in primary reactor at higher temperature; thermal efficiency |
| 08/17/1999 | CA2151791C Direct smelting of zinc concentrates and residues |
| 07/28/1999 | EP0931167A1 Device for dosed introduction of fine particle material into a reactor vessel |
| 07/21/1999 | CN1044261C Process for smelting duriron with raw coal |
| 07/20/1999 | US5925165 Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants |
| 07/13/1999 | CA2087609C Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor |
| 07/07/1999 | EP0927770A1 High carbon content iron-base briquettes and process for preparing same |
| 07/07/1999 | CN1222197A Device for producing sponge iron |
| 07/01/1999 | WO1999032673A1 Process for treating a material containing metal and organic matter, including metal separation |
| 07/01/1999 | WO1999032666A1 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor |
| 07/01/1999 | CA2281591A1 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor |
| 06/30/1999 | CN1221457A Method of charging metalliferous material into smelting-gasification zone |
| 06/16/1999 | CN1219596A Plant and process for producing raw iron and/or sponge iron |
| 06/15/1999 | US5912400 Method for reforming reducing gas in a fluidized bed process for reduction of ore |
| 06/10/1999 | WO1999028511A1 Method for reforming reducing gas in a fluidized bed process for reduction of ore |
| 06/09/1999 | CN1219208A Fluidized bed treatment of EAF dust |
| 06/09/1999 | CN1219207A Metal containing compound reduction and melting process |
| 06/09/1999 | CN1219205A Process for treatment of particulat matter by fuidisation, and vessel with apparatus to carry out the treatment |
| 06/02/1999 | EP0862657A4 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 05/27/1999 | WO1999025884A1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed |
| 05/26/1999 | CN1217388A Use of anthracite coal to substitute for coke to smelt ferro-silicon alloy |
| 05/19/1999 | EP0916739A2 Gasification process and plant for direct reduction reactors |
| 05/19/1999 | EP0915993A1 Fluidized bed treatment of eaf dust |
| 05/18/1999 | US5904748 Production of elementary volatile metals by thermal reduction of their oxides with the aid of another metal |
| 05/17/1999 | CA2250946A1 Reduction of iron ore in ore/coal mixtures |
| 05/12/1999 | CN1216322A Gasification process and plant for direct reduction reactors |
| 05/05/1999 | CN1216070A Method and device for direct reduction of ore fines |
| 05/05/1999 | CN1043244C Method for production of pig iron or steel and cement clinker from slag |
| 05/04/1999 | US5900040 Roasting of titaniferous materials |
| 05/04/1999 | US5899688 For the treatment of minerals |
| 04/28/1999 | EP0910295A1 Cryoplasty device and method |
| 04/14/1999 | CN1042954C Process for producing raw or and iron sponge and its equipment |
| 04/13/1999 | CA2062104C Method of producing high-melting-point and high-toughness metal and apparatus for the same |
| 04/08/1999 | WO1999016911A1 Direct smelting process for producing metals from metal oxides |
| 04/08/1999 | DE19750475C1 High temperature treatment of very small particles |
| 04/01/1999 | WO1999015705A1 Hard material titanium carbide based alloy, method for the production and use thereof |
| 04/01/1999 | DE19741418A1 Hartstofflegierung auf Basis von Titancarbid, Verfahren zu deren Herstellung sowie deren Verwendung A hard facing alloy based on titanium carbide, processes for their preparation and their use |
| 04/01/1999 | CA2304101A1 Method for producing an abrasive grain |
| 03/31/1999 | EP0904420A1 Metal containing compound reduction and melting process |
| 03/31/1999 | EP0904416A1 Method of charging metalliferous material into a smelting-gasification zone |
| 03/31/1999 | EP0904415A1 Device for producing sponge iron |
| 03/24/1999 | EP0902841A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment |
| 03/24/1999 | CN1211624A Production of direct reduced iron with reduced fuel consumption and emission of carbon monoxide |
| 03/23/1999 | CA2052170C Pyrometallurgical process for treating a feed material |
| 03/11/1999 | WO1999011571A1 Oxygen-fuel boost reformer process and apparatus |
| 03/09/1999 | US5881359 Metal and fluorine values recovery from fluoride salt matrices |
| 03/03/1999 | CN1209367A Iron powder containing silicon |
| 03/02/1999 | CA2096805C A direct-reduction process for directly reducing particulate iron-oxide-containing material |
| 02/25/1999 | WO1999009227A1 Titanium alloy based dispersion-strengthened composites |
| 02/25/1999 | CA2301103A1 Titanium alloy based dispersion-strengthened composites |
| 02/24/1999 | EP0897429A1 Method and device for direct reduction of ore fines |
| 02/23/1999 | US5873926 Process for reducing oxide-containing material and plant for carrying out the process |
| 02/18/1999 | WO1998050142A3 Process for regulating a circulating fluidised bed and use of the process |
| 02/17/1999 | EP0896955A1 Method and apparatus for the reduction of metal in a glass or slagmelt |
| 02/17/1999 | CN1042141C Metallurgical processes and apparatus |
| 02/16/1999 | US5871561 Treating dusts containing zinc and/or lead in the form of oxides to a retrievable form of their respective pure metals, using reducing agents in a heat treatment furnace |
| 02/11/1999 | WO1999006600A1 Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags |
| 02/10/1999 | EP0896066A1 Method and apparatus for manufacturing reduced iron |
| 02/09/1999 | US5868735 Cryoplasty device and method |
| 02/04/1999 | WO1999005330A1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 02/04/1999 | CA2297299A1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 02/03/1999 | CN1207141A Method of processing finely divided material incorporating metal based constituents |
| 02/03/1999 | CN1207139A Method and apparatus for manufacturing reduced iron |
| 01/20/1999 | CN1205744A Prodn. of metal such as aluminium, magnesium, silicon and like from metal oxide compounds |
| 01/20/1999 | CN1205743A Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores |
| 01/07/1999 | EP0889006A1 Process for the recuparation of doped tungsten |
| 01/05/1999 | US5855645 Production of more concentrated iron product from industrial waste materials streams |
| 12/30/1998 | CN1041442C Roasting of titaniferous materials |
| 12/29/1998 | US5853657 Reduced dusting bath system for metallurgical treatment of sulfide materials |
| 12/23/1998 | EP0885972A1 Production of direct reduced iron with reduced fuel consumption and emission of carbon monoxide |
| 12/23/1998 | EP0854765A4 Process for the production of ultrafine particles |
| 12/23/1998 | EP0819183B1 Treatment of fly ash |
| 12/22/1998 | CA2065319C Smelting of metallurgical waste materials containing iron compounds and toxic elements |
| 12/16/1998 | CN1041174C Method and apparatus for treating gases and particulate solids in fluid bed |
| 12/15/1998 | CA2096665C Pyrometallurgical method for recovering volatile metals from sulfidic raw materials |
| 12/15/1998 | CA2014308C Method and apparatus for the direct reduction of iron |
| 12/15/1998 | CA1340230C Process for removing heavy metal compounds from the filtrer dust from trash incinerators, flue gas dust precipitators and gas-cleaning units |
| 12/02/1998 | CN1200309A Method for treating matter contg. chromium oxides in large scale, and method for utilizing after-treatment matter |
| 11/24/1998 | CA2111612C Conversion of non-ferrous sulfides |
| 11/18/1998 | EP0878259A1 Silicon-containing iron powder |
| 11/18/1998 | EP0877827A1 Method for processing a powdery material, and apparatus therefor |
| 11/12/1998 | WO1998050142A2 Process for regulating a circulating fluidised bed and use of the process |
| 11/12/1998 | DE19719481A1 Verfahren zur Einstellung einer zirkulierenden Wirbelschicht und Verwendung des Verfahrens A method for adjusting a circulating fluidized bed and using the method |
| 11/05/1998 | WO1998049352A1 Method for thermal treatment of granulated iron ore before reduction |
| 11/05/1998 | DE19718136A1 Verfahren zum thermischen Behandeln von körnigem Eisenerz vor der Reduktion Method for the thermal treatment of granular iron ore before reduction |
| 10/21/1998 | CN1196756A Reducing iron oxides in rotary hearth furnace |
| 10/20/1998 | US5824134 Direct reduction of iron ore utilizing organic hazardous materials |
| 10/14/1998 | EP0870067A1 Method of processing finely divided material incorporating metal based constituents |
| 10/14/1998 | CN1040231C Method and apparatus for directly deoxidation of powder mineral or fine mineral sand |
| 10/07/1998 | EP0869193A1 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 10/07/1998 | EP0843740A4 Reducing iron oxides in rotary hearth furnace |
| 09/23/1998 | EP0865509A1 Production of metal such as aluminium, magnesium, silicon and the like from metal oxide compounds |
| 09/23/1998 | EP0865508A1 Treatment of waste products that contain organic substances |