| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 12/07/2006 | US20060273498 Plant with rotating furnace for the melting without salt of aluminum with screening and recovery of the slags |
| 12/06/2006 | EP1727917A1 Method for the purification of a molten metal |
| 12/06/2006 | EP1192425A4 Measuring and controlling the flow of flowable materials |
| 12/06/2006 | CN1288258C Method for preparing silumin and Al-Si-Mn-Fe-Ti alloy by using high-aluminum fly ash |
| 11/29/2006 | EP1725690A1 Rotary drum-type kiln comprising fireproof stirring bodies for remelting aluminium |
| 11/29/2006 | EP1625533A4 Method for generating pollution credits while processing reactive metals |
| 11/22/2006 | CN1865460A Method for extracting vanadium,molybdenum,nickel,cobalt,aluminium from waste aluminium base catalyst |
| 11/16/2006 | US20060254389 Method for introducing additives to liquid metal, ceramic/metallic powder |
| 11/15/2006 | EP1721995A1 Metal melt rotary-drum furnace with protective atmosphere |
| 11/15/2006 | EP1721111A1 Method for processing aluminium in a rotary or reverberating furnace |
| 11/15/2006 | EP1721020A1 Treatment of metal melts |
| 11/15/2006 | EP1604048A4 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 11/07/2006 | US7131482 Distributor device for use in metal casting |
| 11/02/2006 | EP1716261A1 Aluminium production process |
| 11/02/2006 | DE10340087B4 Industrieofen Industrial furnace |
| 10/26/2006 | US20060236790 Device and method for measuring metal inclusions |
| 10/19/2006 | WO2006109810A1 Sodium-free flux and process for treatment of molten aluminum alloy with the same |
| 10/05/2006 | WO2006103085A1 Method and apparatus for the production of aluminium |
| 10/05/2006 | CA2603095A1 Method and apparatus for the production of aluminium |
| 10/04/2006 | CN1842687A Industrial oven |
| 10/03/2006 | CA2370530C Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential |
| 09/27/2006 | CN1839290A Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 09/27/2006 | CN1837387A Aluminium cleaning technique for production of super-thin aluminium foil by cast-rolling stock |
| 09/13/2006 | CN1831162A Covering agent for high performance deforming aluminium and aluminium alloy, prepn. method and application thereof |
| 09/13/2006 | CN1831161A Deslagging agent for high performance deforming aluminium and aluminium alloy, prepn. method and application thereof |
| 09/06/2006 | EP1504130B1 Device for the in-line treatment of liquid metal by means of gas and filtration |
| 08/31/2006 | WO2006089332A1 Method for melting down small-sized scrap aluminum with thermal pre-treatment |
| 08/31/2006 | CA2598472A1 A method for smelting fragmentized aluminum scrap |
| 08/30/2006 | EP1573077B1 Rotary stirring device for treating molten metal |
| 08/23/2006 | EP1691929A1 Method for recycling aluminum alloy wheels |
| 08/23/2006 | EP1634027B1 Industrial oven |
| 08/17/2006 | WO2005118893A3 Method of recycling brazing sheet |
| 08/16/2006 | EP1689915A1 Apparatus and method for the reduction of metals |
| 08/16/2006 | EP1689896A1 Method of cooling molten metal during fractional crystallisation |
| 08/16/2006 | EP1689895A1 Method using selected carbons to react with al2o and al vapors in the carbothermic production of aluminum |
| 08/16/2006 | EP1689894A2 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 08/09/2006 | CN1816742A Device and method for measuring metal inclusions |
| 08/09/2006 | CN1268791C Method for removal of X and M from solid compound of matter X and metal M |
| 08/08/2006 | US7086618 a particular alloy (A356.2) is subjected to x-ray separation to remove contaminants, fragmented and shot blasted |
| 07/27/2006 | US20060162491 Layer of at most partially solidified molten metal to be crystallized is cooled by a layer of cooling liquid, which is present above and/or below the layer of at most partially solidified molten metal so as to crystallize the molten metal |
| 07/25/2006 | CA2355662C Method and apparatus for the production of aluminium from alumina ore by aluminium-sulfide process |
| 07/19/2006 | CN1806058A Compact micro-porous media device for degassing molten metal |
| 07/19/2006 | CN1805903A Extraction process for reactive metal oxides |
| 07/13/2006 | WO2006072363A1 Hearth furnace, method, and use of said hearth furnace for melting metals |
| 07/11/2006 | CA2247778C Liquor oxalate stabilizers |
| 07/06/2006 | WO2006069486A1 A process of aluminum smelting and the apparatus therefor |
| 06/28/2006 | EP1373581B1 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 06/28/2006 | EP1135333A4 Feed processing for improved alumina process performance |
| 06/28/2006 | EP1109740A4 Feed processing for improved alumina process performance |
| 06/28/2006 | CN2791067Y Tiltable crucible rapid-melting aluminium furnace |
| 06/22/2006 | US20060131169 Containing a calcined coke in prepared by mixing a heavy oil having some quinoline insoluble components with carbon black; graphitization; wear resistance, durability |
| 06/21/2006 | EP1671072A2 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 06/20/2006 | CA2314123C Method of treating spent potliner material from aluminum reduction cells |
| 06/15/2006 | US20060125160 Compact micro-porous media degasser |
| 06/13/2006 | US7060220 Metal melting furnace |
| 06/01/2006 | WO2006056698A2 Sintered refractory block based on silicon carbide with a silicon nitride bond |
| 05/24/2006 | CN1257293C Method for the purification of an aluminium alloy |
| 05/24/2006 | CN1257292C Method for recovering nickel and aluminum from waste aluminum based nickel-containing catalyst |
| 05/17/2006 | EP1656462A2 Compact micro-porous media device for degassing molten metal |
| 05/17/2006 | CN2780778Y Anneal flow primary furnace |
| 05/03/2006 | CN1766128A Iron and alumnium extraction method from high iron bauxite |
| 05/03/2006 | CN1254551C Production of high-purity aluminium |
| 05/02/2006 | US7037462 Overflow transfer furnace and control system for reduced oxide production in a casting furnace |
| 05/02/2006 | US7036555 Distributor device for use in metal casting |
| 04/19/2006 | CN1761766A 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 materia |
| 04/13/2006 | WO2006037999A2 Electro-reduction process |
| 04/12/2006 | CN1757767A Shielding iron removing method in high purity aluminium oxide preparation process |
| 04/05/2006 | CN1756852A Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 03/29/2006 | EP1640464A1 Aluminium dross cooling method and installation |
| 03/29/2006 | CN1754005A Rotary stirring device for treating molten metal |
| 03/29/2006 | CN1752234A Vacuum carbon heat reduction aluminium smelting method |
| 03/29/2006 | CN1247349C Method for producing copper suboxide |
| 03/16/2006 | US20060053973 placing classified and crushed spent potliner in a furnace at a temperature greater than 450 degrees C., heating , mixing the heated spent potliner with water to produce reaction gases and residue, burning the reaction gases, mixing the residue with water in a well ventilated for weeks to cure residue |
| 03/15/2006 | EP1634027A1 Industrial oven |
| 03/15/2006 | EP1633679A1 Extraction process for reactive metal oxides |
| 03/14/2006 | CA2378352C Distributor device for use in aluminium metal casting |
| 03/09/2006 | CA2577565A1 Method using single furnace carbothermic reduction with temperature control within the furnace |
| 03/08/2006 | CN1745287A Plant with rotating furnace for the melting without salt of aluminium, with screening and recovery of the slags |
| 03/07/2006 | US7010248 Toner recycling method and toner recycling system |
| 03/01/2006 | EP1629128A1 Method for the reduction of harmful substances in the waste gases of a burner-fired melting furnace |
| 02/16/2006 | US20060033246 Hydraulic aluminum ingot positioner and pusher |
| 02/16/2006 | US20060032331 Package of waste in housing; high melting |
| 02/15/2006 | EP1625904A1 Device for heating or keeping warm liquids |
| 02/15/2006 | EP1625533A1 Method for generating pollution credits while processing reactive metals |
| 02/15/2006 | EP1625241A1 Method for the treatment of aluminum in a furnace |
| 02/15/2006 | EP1625239A1 Improvements in and relating to molten metal processing |
| 02/08/2006 | EP1624080A1 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 |
| 02/07/2006 | US6994759 Treatment of an aluminum alloy melt |
| 02/01/2006 | EP1620720A1 Device and method for measuring metal inclusions |
| 01/25/2006 | CN1724962A 金属熔解炉 Metal melting furnace |
| 01/10/2006 | US6983901 Method for recycling aluminum alloy wheels |
| 01/10/2006 | CA2235833C Production of metal such as aluminium, magnesium, silicon and the like from metal oxide compounds |
| 01/05/2006 | US20060001199 Method for primary aluminum smelting integrated with a solid fossil-fuel fired power plant, with choice of technology allowing small size, minimal capital intensity, extra energy production available for a local grid, and competitive operating costs |
| 01/04/2006 | EP1520053B1 Method for fractional crystallisation of a metal |
| 12/28/2005 | EP1608926A1 Plant with rotating furnace for the melting without salt of aluminium, with screening and recovery of the slags |
| 12/28/2005 | CN1233859C Stop board for aluminium melt dehydrogen ization rotary blowing instrument |
| 12/28/2005 | CN1233858C Composite grain refiner for aluminium, aluminum alloy and preparing process therefor |
| 12/27/2005 | US6980580 Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace |
| 12/21/2005 | EP1606423A1 Processing molten reactive metals and alloys using fluorocarbons as cover gas |
| 12/21/2005 | EP1198314B1 Distributor device for use in metal casting |