| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 04/06/2005 | EP1520052A1 Method for fractional crystallisation of a molten metal |
| 03/31/2005 | DE10340087A1 Industrieofen Industrial furnace |
| 03/30/2005 | CN1195084C Filtering process of eliminating non-metallic foreign impurity ion aluminium melt |
| 03/24/2005 | WO2004111281A3 Compact micro-porous media device degassing molten metal |
| 03/23/2005 | EP1356130B1 Process and rotary device for adding particulate solid material and gas to molten metal bath |
| 03/17/2005 | WO2005023429A1 Method for recycling aluminum alloy wheels |
| 03/16/2005 | EP1514065A1 Electromagnetic induction apparatus and method of treatment of molten materials |
| 03/16/2005 | EP1129295B1 Shaft and post assemblies for molten metal pumping apparatus |
| 03/10/2005 | WO2005022060A2 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 03/10/2005 | US20050051647 comprises providing a feed of aluminum alloy wheels of a particular alloy, fragmenting the wheels into pieces, subjecting the pieces to magnetic separation to produce pieces having a reduced iron content, and then shot blasting them |
| 03/10/2005 | US20050051645 a particular alloy (A356.2) is subjected to x-ray separation to remove contaminants, fragmented and shot blasted |
| 03/10/2005 | CA2536617A1 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 03/09/2005 | EP1512764A1 Molten metal pump and furnace for use therewith |
| 03/09/2005 | EP1511866A1 Dispensing apparatus and method |
| 03/03/2005 | US20050046093 Overflow transfer furnace and control system for reduced oxide production in a casting furnace |
| 03/02/2005 | EP1244824B1 Dense refractory material for use at high temperatures |
| 03/02/2005 | CN1191382C Rotating shaft/nozzle in copmosite strucure and its manufacture |
| 02/24/2005 | US20050041719 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 02/24/2005 | US20050039578 Controlling crystals |
| 02/23/2005 | EP1508762A2 Refractory material for use at high temperatures |
| 02/17/2005 | DE10328903A1 Verfahren und Vorrichtung zum Trennen von in Aluminumlegierungen enthaltenen Eisenwerkstoffteilen Method and apparatus for separating contained in aluminum alloys ferrous material parts |
| 02/15/2005 | CA2327878C Recycling of spent pot linings |
| 02/15/2005 | CA2315045C Injector for gas treatment of molten metals |
| 02/09/2005 | EP1504834A1 Distributor device for use in metal casting |
| 02/09/2005 | EP1504130A1 Device for the in-line treatment of liquid metal by means of gas and filtration |
| 02/01/2005 | US6849101 Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum |
| 01/27/2005 | US20050017417 Material submergence system |
| 01/26/2005 | CN1571854A Grain refining agent for cast aluminum products |
| 01/12/2005 | EP1278897B1 Protection of molten magnesium with a cover gas using fluorocarbons |
| 01/11/2005 | US6841120 Dispensing apparatus and method |
| 01/05/2005 | EP1401553A4 Burping filter |
| 01/05/2005 | CN1561402A Method for the purification of an aluminium alloy |
| 12/30/2004 | US20040261572 Subjecting the aluminium alloy to a fractional crystallisation; separating at least the aluminium alloy into a product stream and a downgrade stream; separation of intermetallics wherein an additive is added to the downgrade stream to form a mixture containing the intermetallics ; feeding recycle stream |
| 12/29/2004 | WO2004113230A1 Extraction process for reactive metal oxides |
| 12/29/2004 | EP1491644A1 Process and apparatus for the separation of ferrous parts from aluminium alloys |
| 12/23/2004 | WO2004111281A2 Compact micro-porous media device degassing molten metal |
| 12/23/2004 | DE10325557A1 Verfahren zur Verringerung von Schadstoffen in den Abgasen eines Schmelzofens A process for the reduction of pollutants in the exhaust gases of a melting furnace |
| 12/23/2004 | DE10325556A1 Verfahren zur Verringerung von Schadstoffen in den Abgasen eines brennerbefeuerten Schmelzofens A process for the reduction of pollutants in the exhaust gases of a burner-fired melting furnace |
| 12/16/2004 | WO2004108975A1 Method for reducing the amount of pollutants in waste gases of a smelting furnace |
| 12/16/2004 | WO2004108974A1 Method for the reduction of harmful substances in the waste gases of a burner-fired melting furnace |
| 12/16/2004 | DE10259309B4 Verfahren und Anlage zur kontinuierlichen Trocknung von verunreinigten Metallspänen Method and apparatus for continuous drying of contaminated metal shavings |
| 12/15/2004 | EP1136778B1 Melting/retaining furnace for aluminum ingot |
| 12/15/2004 | CN1179909C Ceramic product based on lithium aluminium silicate |
| 12/14/2004 | CA2090575C Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy at high enthalpy |
| 12/09/2004 | US20040245685 Filter for molten aluminum alloy or molten aluminum |
| 12/09/2004 | US20040244535 Housing containing waste; melting |
| 12/08/2004 | EP1395529B1 Carbon tiles with refractory coating for use at elevated temperature |
| 12/02/2004 | WO2004085686A3 Method of recovering a metal from a mixture by melt freeze fractionation |
| 12/02/2004 | US20040238352 Production, refining and recycling of lightweight and reactive metals in ionic liquids |
| 11/30/2004 | CA2262448C High capacity filter |
| 11/25/2004 | WO2004101830A1 Improvements in and relating to molten metal processing |
| 11/25/2004 | DE202004015135U1 Heating element for molten aluminum has electrical coil embedded within silicon carbide powder surrounded by silicon nitride tube |
| 11/25/2004 | CA2526094A1 Improvements in and relating to molten metal processing |
| 11/24/2004 | CN1176850C Method for producing molten salts with extruder and use of molten salts |
| 11/23/2004 | CA2279964C Metal recovery from salt cake and other compositions |
| 11/18/2004 | WO2004099769A1 Device and method for measuring metal inclusions |
| 11/18/2004 | WO2004099453A1 Method for the treatment of aluminum in a furnace |
| 11/18/2004 | WO2001034858A9 Carbothermic process for production of metals |
| 11/18/2004 | CA2524119A1 Method for the treatment of aluminum in a furnace |
| 11/17/2004 | EP1264904A4 Method for ultrasonic treatment of a melt of hypereutectic silumins |
| 11/16/2004 | US6818176 Oxy-fueled waste incinerator and method |
| 11/10/2004 | CN1545562A Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 11/10/2004 | CN1544666A Method for recovering nickel and aluminum from waste aluminum based nickel-containing catalyst |
| 11/09/2004 | CA2308549C Method and apparatus for removing liquid salts from liquid metal |
| 11/09/2004 | CA2142893C Charging metal solids into molten metal |
| 11/04/2004 | WO2004094679A1 Alloys from recycled aluminum scrap containing high levels of iron and silicon |
| 11/04/2004 | US20040217526 Metal melting furnace |
| 11/03/2004 | CN1174208C 保护性气氛加热方法 Protective atmosphere heating method |
| 11/02/2004 | CA2121215C Injection equipment |
| 10/28/2004 | US20040213695 Alloys from recycled aluminum scrap containing high levels of iron and silicon |
| 10/27/2004 | EP1471092A1 Binder for granulation molding of powder particles and granulated moldings |
| 10/26/2004 | US6808695 Process for continuously producing aluminum from clays |
| 10/21/2004 | WO2004090177A1 Processing molten reactive metals and alloys using fluorocarbons as cover gas |
| 10/21/2004 | CA2519832A1 Processing molten reactive metals and alloys using fluorocarbons as cover gas |
| 10/20/2004 | EP1469091A1 Method of producing AI alloy with low Ca content and base material for producing AI alloy with low Ca content |
| 10/19/2004 | US6805723 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 10/19/2004 | CA2098695C Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy with oxygen second stage treatment |
| 10/07/2004 | WO2004086279A1 Method for generating pollution credits while processing reactive metals |
| 10/07/2004 | WO2004085686A2 Method of recovering a metal from a mixture by melt freeze fractionation |
| 10/06/2004 | CN1170108C Melting/retaining furnace for aluminium ingot |
| 10/06/2004 | CN1169980C Equipment for removing non-metal impurities from molten aluminium |
| 10/05/2004 | US6800111 Concentrating the catalytic metal colloid on a filter; removing the catalytic metal of the catalytic metal colloid from the filter with an oxidizer; collecting the catalytic metal |
| 09/30/2004 | WO2004083470A1 Raw material for aluminum refining and method for refining aluminum, high purity aluminum material, method for producing aluminum material for electrode of electrolytic capacitor, and aluminum material for electrode of electrolytic capacitor |
| 09/30/2004 | WO2004083469A1 Process for melting an aluminum charge containing organic material |
| 09/30/2004 | US20040187642 Filling vessel with load of brazing sheet or metallic waste pieces; heating, liquefaction, rotation; removing molten alloy |
| 09/30/2004 | DE10323340A1 Method for processing aluminium-containing waste chippings etc involves supplying washing solution and waste through washing device and after drying separating concentrated emulsion into oil and water through chamber separator |
| 09/29/2004 | EP1462530A1 Apparatus for refining molten metal and method for refining molten metal using the same |
| 09/29/2004 | CN1168839C Continuous vacuum purification process of producing high-purity aluminium |
| 09/29/2004 | CN1168687C Coating formula for filtering non-metallic inclusion in aluminium melt |
| 09/28/2004 | US6797228 Oxy-fueled aluminum recovery method |
| 09/23/2004 | WO2004081246A1 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 09/16/2004 | WO2004079024A1 Aluminium dross cooling method and installation |
| 09/15/2004 | EP1456425A1 Aluminium melting method using analysis of fumes coming from the furnace |
| 09/15/2004 | CN1166792C Continuous vacuum purifier for producing high-purity aluminium |
| 09/15/2004 | CN1166791C Process for removing non-metal impurities from molten aluminium by ceramic filter |
| 09/09/2004 | US20040173053 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 09/02/2004 | WO2004074523A2 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 08/26/2004 | US20040163492 Method for producing foamed aluminum products |
| 08/25/2004 | CN1163621C Aluminium alloy covering slag-cleaning agent |
| 08/24/2004 | US6780220 Exposing molten metal or alloy to a gaseous mixture comprising fluorocarbon selected from perfluoroketones, hydrofluoroketones, and mixtures to yield protected metal or alloy having a protective film |