| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 08/24/2004 | CA2273648C Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same |
| 08/19/2004 | US20040159559 Electrolysis of calcium, barium, lithium, cesium, or strontium chloride; reducing level of dissolved oxygen or other elements from solid metals, metal compounds and semi-metal compounds and alloys |
| 08/18/2004 | EP1060126A4 Recovery of products from non-metallic products derived from aluminum dross |
| 08/18/2004 | CN1162557C Process for purifying raw aluminium by continuous liquid change, directional solidification and continuous casting |
| 08/18/2004 | CN1162556C Device for filtering molten aluminium with ceramic filter |
| 08/12/2004 | WO2004067210A1 Dispensing system for molten aluminum |
| 08/10/2004 | US6773485 Method for recovering catalytic metals using a porous metal filter |
| 08/04/2004 | EP1442146A1 Method and device fro controlling the proportion of crystals in a liquid-crystal mixture |
| 08/03/2004 | CA2389866C Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 07/29/2004 | WO2004063653A1 Plant with rotating furnace for the melting without salt of aluminium with screening and recovery of the slags |
| 07/29/2004 | US20040146440 Crushing and screening potliner freed from metal debris; pulverization and suspension in hot aqueous slurry; autogenous grinding in air tumbler; leaching, thickening, filtration, and calcination; separating Bayer Liquor, solid sodium fluoride |
| 07/29/2004 | CA2514894A1 Plant with rotating furnace for the melting without salt of aluminium with screening and recovery of the slags |
| 07/27/2004 | US6767665 Method for producing molten salts with an extruder and use of the molten salts |
| 07/27/2004 | US6767382 Aluminium processing apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross |
| 07/21/2004 | CN2627006Y Rotation speed regulating arrangement for aluminium flux dehydrogenization rotating blowing instrument |
| 07/15/2004 | US20040135297 Electromagnetic induction apparatus and method of treatment of molten materials |
| 07/08/2004 | WO2004057045A1 Rotary stirring device for treating molten metal |
| 07/08/2004 | DE10259309A1 Continuous drying of metal, e.g. aluminum chips contaminated with water and oil with continuous chip feed, used in metal cutting operations |
| 07/07/2004 | EP1225236B1 Process and apparatus for continuous vacuum purification of molten metal |
| 07/01/2004 | US20040124569 invention relates to an apparatus and method for treating containerized feed materials without having to first remove the materials from the containers. |
| 06/30/2004 | EP0627014B2 Recovery of non-ferrous metals from dross |
| 06/29/2004 | US6755889 Process for cleaning and purifying molten aluminum |
| 06/24/2004 | DE10256513A1 Verfahren zum Schmelzen eines Metalles und Vorrichtung zur Durchführung des Verfahrens A method of melting a metal and device for carrying out the method |
| 06/16/2004 | CN1505689A Method of recycling metallic coated scrap pieces |
| 06/10/2004 | US20040108021 For electrograining to provide lithographic plate support |
| 06/10/2004 | US20040107799 Introducing solid metal into bath to melt solid metal;generating a stream of molten metal in melting chamber, choosing parameters of flow such that the melting time is, in maximum, half the melting time without stream |
| 06/09/2004 | EP1426455A1 Process for rapidly melting a metal like magnesium and melt furnace therefor |
| 06/04/2004 | CA2451735A1 Method and apparatus for melting a metal |
| 06/03/2004 | DE202004004478U1 Drehtrommelofen zum Umschmelzen von Aluminium Rotary furnace for remelting of aluminum |
| 06/02/2004 | EP1423546A1 Molten metal pump and furnace for use therewith |
| 06/02/2004 | EP1147236B1 Carbothermic aluminium production using scrap aluminium as coolant |
| 06/01/2004 | CA2393187C Oxy-fuel combustion system and uses therefor |
| 05/27/2004 | DE10301561A1 Rotor, Vorrichtung und Verfahren zum Einbringen von Fluiden in eine Metallschmelze Rotor, means and method for introducing fluids into a metal melt |
| 05/26/2004 | CN1151290C Electromagnetic filter method for purifying molten aluminium and aluminium alloy |
| 05/26/2004 | CN1151289C Combined method for purifying molten aluminium and Al-alloy |
| 05/19/2004 | CN1498281A Treatment of molten metal with particulate agent using mixing impeller |
| 05/13/2004 | WO2002090605A8 Acid digestion process for treating alumina-bearing ores to recover metal values therefrom |
| 05/12/2004 | EP1141426B1 Method and device for purifying aluminium by segregation |
| 05/11/2004 | US6733566 Petroleum coke melt cover for aluminum and magnesium alloys |
| 05/11/2004 | CA2112249C Heat processing apparatus |
| 05/06/2004 | US20040084172 Distributor for use in metal casting |
| 04/29/2004 | WO2004035238A1 Treatment of smelting by-products |
| 04/29/2004 | US20040080084 Empty-can treatment system and empty-can treatment method |
| 04/29/2004 | US20040079198 Method for producing foamed aluminum products |
| 04/28/2004 | EP1027465B1 Filter method and apparatus for removing liquid salts from molten aluminium |
| 04/20/2004 | US6723282 Uniform distribution of fine carbide particles in aluminum matrix |
| 04/20/2004 | CA2118943C Treatment of solid material |
| 04/15/2004 | WO2004031451A1 Cathode block for aluminum refining and method for production thereof |
| 04/15/2004 | WO2004031274A1 A process for the recovery of useful materials from multi-layer laminated packaging refuse |
| 04/14/2004 | EP1408297A1 Rotary drum furnace for metal smelting |
| 04/14/2004 | EP1129227B1 Device and method for removing dross from a vessel of molten zinc with enhanced zinc yield |
| 04/14/2004 | EP0920350B1 High capacity filter |
| 04/14/2004 | CN2611389Y Refined aluminum prodn, plant by segregation process |
| 04/14/2004 | CN2611388Y High pureness vacuum extraction purifier |
| 04/14/2004 | CN1488768A Efficient aluminium melt spray dehydrogenating method |
| 04/08/2004 | WO2004029307A1 Rotor, device and method for introducing fluids into a molten bath |
| 04/08/2004 | US20040065172 Molten aluminum alloy processing method and flux for molten aluminum alloy processing |
| 04/08/2004 | DE10246752B3 Process for treating a molten aluminum alloy comprises melting used metal containing aluminum or aluminum alloy to form a molten metal, and removing the slag produced by purifying the molten metal using a fluxing agent |
| 04/07/2004 | EP1015385A4 Treatment of aluminum dross |
| 03/31/2004 | EP1402078A2 Method for melting down aluminium |
| 03/31/2004 | EP1401553A1 Burping filter |
| 03/31/2004 | CN1485451A Composite grain refiner for aluminium, aluminum alloy and preparing process therefor |
| 03/30/2004 | US6712952 Placing anode and electrode comprising solid compound in contact with fused salt electrolyte, applying voltage so potential is lower than deposition potential for salt cation at electrode surface and substance dissolves in electrolyte |
| 03/18/2004 | US20040050211 Aluminium processing apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross |
| 03/11/2004 | WO2004020679A1 Device for injecting a treatment gas into a molten metal |
| 03/11/2004 | US20040046293 Method for oxy-fuel combustion |
| 03/10/2004 | EP1395529A1 Carbon tiles with refractory coating for use at elevated temperature |
| 03/10/2004 | CN1480250A Recycling method and recycling system for powdered ink |
| 03/10/2004 | CN1141407C Special degasifier for cleaning aluminium alloy and its application method |
| 03/03/2004 | EP1392619A1 Hydrophilic protective layers bonded on hydrophobic substrates for use at elevated temperature |
| 03/03/2004 | EP1119646B1 Liquid carton waste material recycling process and apparatus |
| 02/26/2004 | DE10235909A1 Use of a hydride forming agent introduced into a light molten metal or alloy for binding hydrogen contained in the melt |
| 02/25/2004 | CN1139666C Stirring active flux for filtering purification to elimiante foreign impurity from aluminium melt |
| 02/19/2004 | WO2004015152A1 Method for binding hydrogen in light metal materials |
| 02/18/2004 | CN1138965C Continuous melting apparatus for low-melting point metal and crucible therein |
| 02/10/2004 | US6689310 Molten metal degassing device and impellers therefor |
| 02/10/2004 | CA2315780C Method of removing a metallic coating layer from scrap metal pieces |
| 02/05/2004 | US20040021257 Rotary gas dispersion device for treating a liquid metal bath |
| 02/04/2004 | EP1386014A1 Method of recycling metallic coated scrap pieces |
| 02/04/2004 | CN1472348A Shiftable positioner of rotary blowing instrument for dehydrogenation of molten lead |
| 02/03/2004 | US6685764 Exposing molten reactive metal to gaseous mixture comprising fluorocarbon selected from perfluoroketones and/or hydrofluoroketones, to protect metal from reacting with oxygen in air |
| 01/27/2004 | US6682585 Refining nonferrous metals and alloys with gases having reduced global warming potential |
| 01/22/2004 | US20040012129 Method for the salt-free, non-oxidizing remelting of aluminium |
| 01/21/2004 | EP1382694A1 Waste toner recycling method and use of toner-aluminium granulate blend as steelmaking flux |
| 01/21/2004 | CN1469935A Rotary gas dispersion device for treating a liquid metal bath |
| 01/20/2004 | US6680023 Container which uses heat of solidification for heating the molten metal |
| 01/20/2004 | US6679936 Molten metal degassing apparatus |
| 01/20/2004 | CA2333517C Blanketing molten non-ferrous metals and alloys with gases having reduced global warming potential |
| 01/15/2004 | WO2004005559A1 Method for fractional crystallisation of a metal |
| 01/15/2004 | WO2004005558A1 Method for fractional crystallisation of a molten metal |
| 01/14/2004 | EP1380659A1 Method for fractional crystallisation of a metal |
| 01/14/2004 | EP1380658A1 Method for fractional crystallisation of a molten metal |
| 01/13/2004 | US6676888 Swivel base tilting rotary furnace |
| 01/08/2004 | US20040005167 Toner recycling method and toner recycling system |
| 01/08/2004 | US20040004315 Crucible for molten aluminum |
| 01/08/2004 | US20040003681 Method for recovering catalytic metals using a porous metal filter |
| 01/07/2004 | CN2597486Y High-eddy jet-type molten aluminium degasifying device |
| 01/06/2004 | CA2262108C Gas injection pump |
| 01/02/2004 | EP1373581A2 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 01/02/2004 | EP1372878A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |