| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 07/30/2008 | EP1950315A1 Device for continuous processing of a molten bath |
| 07/30/2008 | CN101233081A Carbothermic processes |
| 07/30/2008 | CN100406594C Method for the purification of a molten metal |
| 07/30/2008 | CN100406588C Aluminium production process |
| 07/24/2008 | WO2008087865A1 Degassing apparatus |
| 07/23/2008 | EP1945824A1 Apparatus and method for producing metal flakes from the melt |
| 07/23/2008 | CN201089783Y Eccentricity magnetic field structural nature air cooled type permanent magnetism agitator |
| 07/10/2008 | WO2008080188A1 Carbothermic processes |
| 07/10/2008 | CA2674121A1 Carbothermic processes |
| 07/09/2008 | EP1691929A4 Method for recycling aluminum alloy wheels |
| 07/09/2008 | CN101215644A Dehydrogenation method for aluminum or aluminum alloy fused mass by using solid-state proton conductor and device thereof |
| 07/03/2008 | WO2008079015A1 Method and device for removal of elements resolved in a metal melt |
| 07/03/2008 | US20080159935 Processes for treating aluminium dross residues |
| 07/03/2008 | CA2671529A1 Method and device for removal of elements resolved in a metal melt |
| 07/02/2008 | EP1939311A2 Molten metal bath flow agent, use thereof and method for treating a molten metal bath and method for producing a molten metal bath flow agent |
| 06/25/2008 | EP1721111B1 Method for processing aluminium in a rotary or reverberating furnace |
| 06/18/2008 | CN101203682A Extraction device for use when extracting a ceramic foam filter |
| 06/12/2008 | US20080136069 Air plasma induced low metal loss |
| 06/11/2008 | CN201070662Y Refining agent adding device |
| 06/11/2008 | CN100393450C Low temperature casting process of 3140 flat aluminium alloy ingot |
| 06/04/2008 | CN101191160A Device for extracting high pure aluminum |
| 06/03/2008 | CA2346887C A melting and holding furnace for aluminum blocks |
| 05/28/2008 | EP1925896A1 Device for feeding metal scrap into a metal melt |
| 05/28/2008 | CN101186009A Method for manufacturing composite aluminum foil for car heat exchanger |
| 05/22/2008 | US20080116148 Controlling formation of filter cake by passing liquid metal through porous filter and adding filter cake formation agent to metal, contacting filtered metal with grain refining agent followed by mechanical mixing to promote intimate mixing of metal and grain refining agent to produce refined metal |
| 05/21/2008 | CN201062281Y Roll-over type filtering box |
| 05/20/2008 | CA2237320C Filtration device for filtering molten metal |
| 05/15/2008 | DE202008001480U1 Drehtrommelofen zur Schmelzgewinnung von Schwermetall Rotary furnace for smelting recovery of heavy metal |
| 05/14/2008 | CN201058887Y Cast-rolling degassing unit for aluminium processing industry |
| 05/08/2008 | US20080107577 Varying heating in dawsonite zones in hydrocarbon containing formations |
| 05/07/2008 | EP1918665A2 Metal melt rotary drum furnace |
| 04/29/2008 | US7364690 Device for injecting a treatment gas into a molten metal |
| 04/29/2008 | CA2517605C Method for recycling aluminum alloy wheels |
| 04/23/2008 | EP1913991A1 Purification apparatus and method of purification |
| 04/23/2008 | EP1912896A1 Carbothermic processes |
| 04/23/2008 | EP1727917B1 Method for the purification of a molten metal |
| 04/17/2008 | WO2008017724A3 Aggregate and filler extracted from slag |
| 04/16/2008 | EP1910689A1 Extraction device for use when extracting a ceramic foam filter |
| 04/16/2008 | CN201046983Y Degassing rake for aluminium fabrication |
| 04/16/2008 | CN100381594C Waste aluminium recovering machine |
| 04/02/2008 | EP1601802B1 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 03/26/2008 | EP1737993A4 Improved recycling method for al-b, c composite materials |
| 03/25/2008 | US7347920 Production, refining and recycling of lightweight and reactive metals in ionic liquids |
| 03/25/2008 | US7347886 Method for introducing additives into fluids |
| 03/20/2008 | WO2008031473A1 Cored wire and method and device for the continuous production of a cored wire |
| 03/20/2008 | US20080066834 Direct-Fired Furnace Utilizing an Inert Gas to Protect Products Being Thermally Treated in the Furnace |
| 03/12/2008 | EP1689896B1 Method of cooling molten metal during fractional crystallisation |
| 02/28/2008 | US20080050270 Neutron Absorption Effectiveness for Boron Content Aluminum Materials |
| 02/27/2008 | EP1402078B1 Method for melting down aluminium |
| 02/14/2008 | US20080034923 Adding pre-heated scrap material to molten aluminum in a mass ratio of from 0.3:0.7 to 0.7:0.3 scrap material to molten aluminum, maintaining a predetermined melt temperature in liquid pool below degradation temperature until all of scrap material melts into molten aluminum to form a resultant composite |
| 02/13/2008 | CN201021457Y Hydrogen removal device for aluminum smelting body |
| 02/13/2008 | CN101121964A Method for extracting aluminum from aluminum-plastic composite material |
| 02/12/2008 | CA2336016C Treatment of an aluminium alloy melt |
| 02/07/2008 | WO2007147962A3 Process for recycling aluminium alloy scrap coming from the aeronautical industry |
| 02/06/2008 | CN101117662A Method for producing metal gallium with coproduction of alumina |
| 01/31/2008 | US20080025891 slurrying, slating, refining |
| 01/30/2008 | CN101115852A Sodium-free flux and process for treatment of molten aluminum alloy with the same |
| 01/30/2008 | CN100365141C Method for fractional crystallisation of a metal |
| 01/30/2008 | CN100365140C Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 01/24/2008 | WO2008011206A1 Systems and methods for carbothermically producing aluminum |
| 01/24/2008 | WO2008010721A1 A method and device for admixture of powder in a liquid |
| 01/24/2008 | CA2657191A1 A method and device for admixture of powder in a liquid |
| 01/16/2008 | EP1386014B1 Method of recycling metallic coated scrap pieces |
| 01/10/2008 | WO2008003505A1 Method and device for metal purification and separation of purified metal from a metal mother liquid such as aluminium |
| 01/10/2008 | US20080006973 Metal Scrap Submergence Apparatus |
| 01/10/2008 | CA2657092A1 Method and device for metal purification and separation of purified metal from a metal mother liquid such as aluminium |
| 01/09/2008 | CN201003067Y Highly pure aluminium extraction apparatus |
| 01/03/2008 | WO2008001034A1 Filter device for molten metal filtration |
| 01/03/2008 | WO2008000341A1 Crystallisation method for the purification of a molten metal, in particular recycled aluminium |
| 01/03/2008 | US20080000647 Non-Ferrous Metal Cover Gases |
| 01/03/2008 | US20080000326 Cooling the melt to eutectic temperature to simultaneously form purified metal crystals and crystals containing a foreign element, and separating out foreign element crystals using a solid-solid separation, such as centrifugal force or an electromagnetic field; may be followed by solid-liquid separation |
| 01/02/2008 | CN200999256Y Strong-durability gas-removal pipe for aluminium smelting |
| 12/27/2007 | WO2007147962A2 Process for recycling aluminium alloy scrap coming from the aeronautical industry |
| 12/27/2007 | WO2007147587A1 Method for the separation of molten aluminium and solid inclusions |
| 12/27/2007 | CA2654159A1 Process for recycling aluminium alloy scrap coming from the aeronautical industry |
| 12/26/2007 | CN101092667A Method for aluminum production through vertical shaft kiln |
| 12/12/2007 | EP1863953A1 Method and apparatus for the production of aluminium |
| 12/11/2007 | US7306643 Method for introducing additives to liquid metal, ceramic/metallic powder |
| 12/06/2007 | US20070278106 Aluminum Production Process |
| 12/06/2007 | US20070277908 Non-Corrosive Auxiliary Agents For Soldering Aluminium |
| 12/05/2007 | CN101082093A Method for remelting and circulating utilization of waste foamed aluminium |
| 11/29/2007 | WO2007135838A1 Process for producing aluminum alloy plate and aluminum alloy plate |
| 11/29/2007 | US20070272057 Method of Cooling Molten Metal During Fractional Crystallisation |
| 11/27/2007 | US7300560 Containing a calcined coke in prepared by mixing a heavy oil having some quinoline insoluble components with carbon black; graphitization; wear resistance, durability |
| 11/22/2007 | DE202007013385U1 Rotierende Rührvorrichtung für schmelzflüssiges Metall Rotating stirrer for molten metal |
| 11/21/2007 | CN101076504A Lining for carbothermic reduction furnace |
| 11/15/2007 | US20070264576 For production of aluminium electrolysis vessel/cell; corrosion resistance |
| 11/14/2007 | EP1689895B1 Method using selected carbons to react with al2o and al vapors in the carbothermic production of aluminum |
| 11/14/2007 | CN200974860Y Molten aluminum refining equipment |
| 11/08/2007 | WO2006133889A3 Batch melting of aluminum alloy scrap |
| 11/07/2007 | EP1851347A1 Method for melting down small-sized scrap aluminium with thermal pre-treatment |
| 11/07/2007 | CN200971377Y Waste alumnium recovery machine |
| 10/31/2007 | CN101063186A Production technique of aluminum alloy damper cylinder |
| 10/17/2007 | CN100343402C Method for fractional crystallisation of a molten metal |
| 10/16/2007 | US7282171 Method for oxy-fuel combustion |
| 10/16/2007 | CA2166687C Molten metal treatment |
| 10/10/2007 | CN100342043C Rotary stirring device for treating molten metal |
| 10/03/2007 | EP1838886A1 Aluminium casting alloy |
| 10/02/2007 | CA2321305C Recovery of products from non-metallic products derived from aluminum dross |
| 09/25/2007 | US7273582 Shaft and post assemblies for molten metal apparatus |