| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 05/30/2007 | EP1276912B1 A direct smelting process and apparatus |
| 05/30/2007 | CN1970807A Process for electrosmelting ferronickel |
| 05/30/2007 | CN1970803A Process for smelting ferrovanadium by extraction of vanadium from vanadium-containing errophosphorus |
| 05/30/2007 | CN1318801C Secondary burning method and device in top blow sinking smelting process |
| 05/30/2007 | CN1318620C Spongy platinum deoxidation method and crushing method |
| 05/22/2007 | CA2363102C Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
| 05/17/2007 | US20070108672 Method for producing molybdenum metal and molybdenum metal |
| 05/16/2007 | CN1962906A Process for charging titanium tetrachloride for use in preparation of titanium sponge by magnesium method |
| 05/16/2007 | CN1962883A Process for directly smelting and casting molten iron by using iron ore powder and cleaned coal |
| 05/16/2007 | CN1316065C Reduction of metal oxides in an electrolytic cell |
| 05/15/2007 | US7217312 Filling vessel with load of brazing sheet or metallic waste pieces; heating, liquefaction, rotation; removing molten alloy |
| 05/09/2007 | EP1088113B9 Electrolytic process for removing a substance from solid compounds |
| 05/09/2007 | CN1961087A Direct reduction process using a single fluidised bed |
| 05/09/2007 | CN1961086A Production of titania |
| 05/09/2007 | CN1961084A Direct reduction device and method |
| 05/09/2007 | CN1961082A Direct reduction process |
| 05/09/2007 | CN1958814A Method for enriching noble metals from noble antimonial alloy |
| 05/07/2007 | CA2525625A1 Process and apparatus for producing pure nickel and cobalt from ores thereof |
| 05/03/2007 | US20070095169 metallurgy; zinc separation; flash or agitated bath fuming step, to produce an Fe-bearing slag and Zn- and Pb-bearing fumes; recovering Cu and the precious metals |
| 05/02/2007 | CN1957643A Fracture resistant electrodes for a carbothermic reduction furnace |
| 05/02/2007 | CN1957098A Process for copper converting |
| 04/25/2007 | EP1776469A2 Solid-fluid composition and uses thereof |
| 04/25/2007 | CN1954086A Method for reducing cr in metallurgical slags containing cr |
| 04/25/2007 | CN1952193A Comprehensive utilization technology for detoxification of chromium residues by waterproof pulverization and high-temperature calcination |
| 04/25/2007 | CN1952192A Process for extracting vanadium from peroxide sintered ore and furnace slag |
| 04/25/2007 | CN1952191A Metal hot reduction magnesium-smelting furnace by internal resistance heating and magnesium smelting method therefor |
| 04/25/2007 | CN1952189A Rotary type anode furnace process technology for refining fuel coal by copper matte smelting process |
| 04/25/2007 | CN1952187A Process for extracting tungsten metal and other rare metal from waste and old hard alloy |
| 04/25/2007 | CN1311943C Method for producing metal powder and formed product of raw material for metal |
| 04/24/2007 | US7208075 Reduction of metal oxides in an electrolytic cell |
| 04/18/2007 | CN1948525A Carbonyl group method of extracting cobalt in nickel copper alloy |
| 04/17/2007 | CA2142639C Method and apparatus for suspension smelting |
| 04/12/2007 | WO2007038840A1 Method and apparatus for lead smelting |
| 04/12/2007 | US20070079667 Method of producing stainless steel by re-using waste material of stainless steel producing process |
| 04/12/2007 | US20070079666 Process and plant for reducing solids containing iron oxide |
| 04/12/2007 | CA2624670A1 Method and apparatus for lead smelting |
| 04/10/2007 | US7201868 Direct smelting plant |
| 04/05/2007 | DE4426623B4 Zweistufenverfahren zur Erzeugung von Eisencarbid aus Eisenoxid Two-stage process for the production of iron carbide from iron oxide |
| 04/04/2007 | CN1940099A Process for treatment of waste materials and/or slime containing copper and precious metal |
| 04/04/2007 | CN1940092A Fuse reducing iron-smelting process for rotating furnace |
| 03/29/2007 | WO2007034645A1 PROCESS FOR PRODUCING Ti AND APPARATUS THEREFOR |
| 03/29/2007 | CA2623212A1 Process for producing ti and apparatus therefor |
| 03/28/2007 | CN2883397Y Oxygen supplying unit of oxygen-enriched smelting tech of lead blast furnace |
| 03/27/2007 | US7195662 Device and process for producing metal foam |
| 03/21/2007 | CN1932049A Heat recovering and microwave reducing manganesian ore roasting process and apparatus |
| 03/20/2007 | US7192467 directly from precursor material comprised nano-particles of molybdic oxide (MoO3) without intermediate step |
| 03/14/2007 | EP1761353A1 Metalothermic reduction of refractory metal oxides |
| 03/14/2007 | CN1930308A Ironmaking and steelmaking |
| 03/14/2007 | CN1928134A Multiple heat resources-electric warming magnesium smelting apparatus and process |
| 03/14/2007 | CN1304613C Vacuum carbon heat reduction aluminium smelting method |
| 03/07/2007 | EP1759024A1 Process for copper converting |
| 03/07/2007 | CN1303235C Dressing and smelting united technology for processing refractory copper zinc ore mixtures |
| 03/07/2007 | CN1303233C Iron-extraction process ferro-tungsten production using schellite, tungsten waste and iron ore as raw material |
| 03/06/2007 | US7186289 reduction and precipitation process from an aqueous solution containing a bivalent nickel salt; for use in conductive paste and conductive resin, weather resistance, low resistivity |
| 02/28/2007 | EP1756324A1 Direct reduction process using a single fluidised bed |
| 02/28/2007 | EP1756322A2 A direct reduction process |
| 02/28/2007 | CN1920072A Calcium carbide as reductant of smelting magnesium metal |
| 02/28/2007 | CN1919508A Metal powders produced by the reduction of the oxides with gaseous magnesium |
| 02/28/2007 | CN1302123C Method and apparatus for practicing carbonaceous-based metallurgy |
| 02/28/2007 | CN1302122C Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 02/21/2007 | EP1753883A1 A direct reduction process and apparatus |
| 02/21/2007 | EP1753566A1 Method for the production of niobium and tantalum powder |
| 02/21/2007 | CN1916189A Spray gun for direct melting of reduced puddling and its dynamic multi-gun furnace |
| 02/21/2007 | CN1916187A Tecnique and euippment for making iron by using blast furnace through pure oxygen and coal gas |
| 02/15/2007 | WO2006078901A3 Process for the recovery of materials from a desulfurization reaction |
| 02/15/2007 | US20070034055 Method and apparatus for producing reduced metal |
| 02/15/2007 | US20070034053 Production of active nickel powder and transformation thereof into nickel carbonyl |
| 02/14/2007 | EP1752021A1 Fracture resistant electrodes for a carbothermic reduction furnace |
| 02/14/2007 | CN2869033Y Composite thermal conducting ceramic reduction tank |
| 02/14/2007 | CN1912159A Production method of silicomangan of sintering powder by rotary kiln and hot filling in ore-smelting electric furnace |
| 02/14/2007 | CN1300351C Operation method of refining raw copper with fire |
| 02/13/2007 | US7175691 Method of producing stainless steel by re-using waste material of stainless steel producing process |
| 02/07/2007 | EP1749894A1 Semi-reduced sintered ore and method for production thereof |
| 02/07/2007 | CN1910298A Supply system for suspension smelting furnace |
| 02/07/2007 | CN1908209A Titanium tetrachloride atomization method of preparing titanium sponge using magnesium |
| 02/07/2007 | CN1908208A Technique of comprehensive recovering valuable metal in chlorine-oxygen-antimony slag |
| 02/07/2007 | CN1908194A Method for direct steelmaking using mixture of iron oxide scale and anthracite smalls with electric furnace |
| 01/31/2007 | EP1747297A1 Method for reducing cr in metallurgical slags containing cr |
| 01/30/2007 | CA2364273C Rotary hearth furnace for producing reduced metal and method of producing reduced metal |
| 01/24/2007 | EP1565585A4 Process and apparatus for extracting zinc |
| 01/24/2007 | CN1899728A Valve metal powders and process for producing them |
| 01/24/2007 | CN1296520C Method and apparatus for smelting titanium metal |
| 01/17/2007 | CN1898402A Method using selected carbons to react with al2o and al vapors in the carbothermic production of aluminum |
| 01/17/2007 | CN1896326A Method of removal of substance from solid compound m i x of substance x and metal or semi-metal m i and solid solutions by electrolysis in a fused salt |
| 01/17/2007 | CN1295362C Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide particularly mill scale sludges and coal fines |
| 01/17/2007 | CN1295359C Method for preparing nano metal material |
| 01/11/2007 | WO2007003588A1 Metallurgical device with magnetic levitation for ore reduction |
| 01/10/2007 | EP1740729A2 Combined pre-treatment process for enabling feed material to be charged in direct reduction processes |
| 01/10/2007 | EP1627085B1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 01/10/2007 | CN1293970C Method for preparing iron powder containing silicon |
| 01/03/2007 | CN1888101A Direct titanium alloy producing process with titanium containing mineral |
| 01/03/2007 | CN1888098A Metal Mg, Ca and Sr reducing apparatus |
| 01/03/2007 | CN1293229C Hollow cathode target and methods of making same |
| 01/02/2007 | CA2371159C Fluidized bed reduction of laterite fines with reducing gases generated in situ |
| 12/27/2006 | EP1736557A1 PROCESS FOR PRODUCING Ti OR Ti ALLOY THROUGH Ca REDUCTION |
| 12/27/2006 | CN1884595A Method for extracting zinc etc. nonferrous metal using apparatus of air furnace connecting with condensation kiln |
| 12/27/2006 | CN1292083C Method for producing high titanium iron |
| 12/21/2006 | WO2006133500A1 Processing of metal chloride solutions and method and apparatus for producing direct reduced iron |
| 12/21/2006 | CA2612158A1 Processing of metal chloride solutions and method and apparatus for producing direct reduced iron |
| 12/20/2006 | EP1733063A1 Production of titania |