| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 11/18/2009 | CN201348433Y 喷料装置 The spray device |
| 11/12/2009 | WO2009135269A1 Carbothermic processes |
| 11/11/2009 | CN201344730Y Four-bar linkage transmission furnace door |
| 11/04/2009 | EP2113033A1 Installation and method for in-line molten metal processing using salt reactant in a deep box degasser |
| 11/03/2009 | US7611665 Ladle bottom |
| 10/28/2009 | CN101568397A Degassing apparatus |
| 10/28/2009 | CN100554447C Method for preparing metal from according metal halid |
| 10/27/2009 | CA2270832C Molten metal pump and method of using |
| 10/21/2009 | EP1725690B1 Rotary drum-type kiln comprising fireproof stirring bodies for remelting aluminium |
| 10/21/2009 | CN201330277Y Lining structure of liquid aluminum pack |
| 10/21/2009 | CN101560605A Method for separating copper and aluminium from copper-cladding aluminium waste leading wire |
| 10/14/2009 | CN201326004Y Aluminum and aluminum alloy melt refining device |
| 10/14/2009 | CN201326003Y CCl4-Ar combined refining device |
| 10/14/2009 | CN101555555A Swiveling jetting device for removing hydrogen from aluminum melt |
| 10/01/2009 | US20090241731 System and method for extracting base metal values from oxide ores |
| 09/30/2009 | EP2105412A1 Raw material containing alumina soil and method for its manufacture |
| 09/30/2009 | CN100545275C Method for extracting aluminum from aluminum-plastic composite material |
| 09/29/2009 | US7594952 Treatment of smelting by-products |
| 09/29/2009 | CA2377104C Aluminium alloy sheet |
| 09/29/2009 | CA2358070C Carbothermic aluminium production using scrap aluminium as coolant |
| 09/24/2009 | WO2009115177A1 Raw material containing high alumina and method for the production thereof |
| 09/24/2009 | WO2009092941A3 Melting method and furnace |
| 09/23/2009 | EP2102378A1 Method and device for removal of elements resolved in a metal melt |
| 09/23/2009 | EP1634027B2 Industrial oven |
| 09/22/2009 | CA2272976C Method of removal of light metals from aluminum |
| 09/17/2009 | WO2009114147A2 Molten aluminum refining and gas dispersion system |
| 09/17/2009 | US20090229415 Molten aluminum refining and gas dispersion system |
| 09/17/2009 | CA2718051A1 Molten aluminum refining and gas dispersion system |
| 09/16/2009 | CN101532093A Method for removing zinc in renewable aluminum |
| 09/16/2009 | CN101532090A An aluminum separation method for waste air-conditioner heat exchanger |
| 09/09/2009 | EP2098603A1 Method for melting of aluminium |
| 09/09/2009 | EP1721020B1 Treatment of metal melts |
| 09/09/2009 | CN201305614Y aluminium alloy smelter hearth doorframe |
| 09/09/2009 | CN100537785C Industrial oven |
| 09/01/2009 | US7582252 Plant with rotating furnace for the melting without salt of aluminum with screening and recovery of the slags |
| 09/01/2009 | CA2491644C Method for fractional crystallisation of a molten metal |
| 09/01/2009 | CA2462674C Method and device for controlling the proportion of crystals in a liquid-crystal mixture |
| 08/26/2009 | CN101514415A Al-B master alloy and preparation method thereof |
| 08/26/2009 | CN101514414A Al-Ti-B master alloy and preparation method thereof |
| 08/19/2009 | CN201292396Y Aluminum slag splitter |
| 08/19/2009 | CN100529122C Refining material for reductive steel refining and granulation method thereof |
| 08/18/2009 | US7575623 Method for leaching aluminium-metal alloys |
| 08/13/2009 | WO2008100650A8 Low carbon aluminum production method using single furnace carbothermic reduction with off-gas treating and recycling |
| 08/13/2009 | US20090199679 Injecting carbon/alumina into molten aluminium bath superheated at > 1400 degrees C; aluminum carbide from carbon reacting with aluminium; alumina mass heated at 1700-2000 degrees C. to producing aluminium/carbon monoxide;low-level volatilzed aluminum due to relatively low temperatures; cost efficiency |
| 08/12/2009 | CN101506396A A method and device for admixture of powder in a liquid |
| 08/12/2009 | CN100526487C Dehydrogenation method for aluminum or aluminum alloy fused mass by using solid-state proton conductor and device thereof |
| 08/05/2009 | CN201284363Y Smelting furnace for smelting aluminum alloy |
| 07/30/2009 | WO2009092941A2 Melting method and furnace |
| 07/30/2009 | WO2009092539A1 Process for recycling spent pot linings (spl) from primary aluminium production |
| 07/29/2009 | EP2083092A1 Process for recycling spent pot linings (SPL) from promary aluminium production |
| 07/22/2009 | CN101487088A Mixture gas, and method and apparatus for purifying aluminum alloy melt using the same |
| 07/22/2009 | CN101487087A Method for extracting aluminum by disproportionation decomposition of keen price fluoride |
| 07/16/2009 | WO2009087079A2 Process for utilizing aluminium in waste materials, in particular in combination with other substances |
| 07/16/2009 | WO2009066308A3 Extraction of alumina |
| 07/15/2009 | CN201272822Y Rotor equipment for gas removal from aluminum melt |
| 07/15/2009 | CN101484596A Method and device for metal purification and separation of purified metal from a metal mother liquid such as aluminium |
| 07/15/2009 | CN100513601C Method of cooling molten metal during fractional crystallisation |
| 07/09/2009 | WO2009084568A1 Method of regenerating metal, regenerated metal, material for lithographic printing plate base, and lithographic printing plate |
| 07/08/2009 | CN101476048A Carbon reduction aluminum metallurgy method for aluminum oxide |
| 07/08/2009 | CN101476047A Method for preparing metal aluminum from aluminum-containing raw material |
| 07/07/2009 | US7556667 Form upper aluminum carbide alloy phase and lower slag phase; extract carbon from upper alloy phase into lower slag; recover vapor reactor off-gas of Al2O, Al and CO; add carbonaceous material to external vapor recovery reactor, form recyclable Al4C3; |
| 07/07/2009 | CA2524515C Device and method for measuring metal inclusions |
| 07/02/2009 | WO2009081886A1 Method of purifying substance and apparatus for purifying substance |
| 07/02/2009 | WO2009081091A1 Carbothermic aluminium production process |
| 07/02/2009 | WO2009063482A3 Extraction of alumina |
| 07/01/2009 | CN101473053A Process for recycling aluminium alloy scrap coming from the aeronautical industry |
| 06/24/2009 | CN101463428A High purity aluminum ultrasonic purification method |
| 06/23/2009 | US7550029 Recycling method for Al—B4C composite materials |
| 06/23/2009 | US7550028 Method for recycling aluminum-lithium-type alloy scrap |
| 06/16/2009 | US7547409 Compact micro-porous media degasser |
| 06/11/2009 | WO2009073381A1 Apparatus and method of carbothermic aluminium production |
| 06/10/2009 | CN201254598Y Filtrating refining apparatus of die casting aluminum alloy |
| 06/10/2009 | CN201254597Y Aluminum alloy molten solution refining apparatus |
| 06/10/2009 | CN100497679C Device for extracting high pure aluminum |
| 06/09/2009 | CA2421725C Process and rotary device for adding particulate solid material and gas to molten metal bath |
| 06/03/2009 | CN201250272Y Purifier device used in aluminum melt furnace |
| 05/28/2009 | WO2009067606A2 Use of polyols as scale control reagents in the mining processes |
| 05/28/2009 | WO2009066308A2 Extraction of alumina |
| 05/27/2009 | CN101440448A Aluminum cast alloy capable of being used under +/- 125 DEG C and manufacturing method thereof |
| 05/27/2009 | CN101439396A Counter-pressure casting process for casting parts of door cover |
| 05/26/2009 | US7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 05/26/2009 | US7537639 cooling an at most partially solidified molten aluminum alloy during fractional crystallization, using NaCl and MgCL2 as solid form, aluminum alloy crystals formed have a purer composition than that of the molten alloy; crystallization |
| 05/22/2009 | WO2009063482A2 Extraction of alumina |
| 05/20/2009 | EP1625241B1 Method for the treatment of aluminum in a furnace |
| 05/20/2009 | CN101437968A Method for producing aluminum alloy thick plate, and aluminum alloy thick plate |
| 05/12/2009 | US7531023 Method for the purification of a molten metal |
| 04/29/2009 | CN100482817C Gas-tight electrode for carbothermic reduction furnace |
| 04/16/2009 | WO2009047624A1 Device for submerging material into liquid metal by an electromagnetic stirrer |
| 04/16/2009 | WO2009047486A1 Extraction device |
| 04/15/2009 | EP2047002A1 Method and device for metal purification and separation of purified metal from a metal mother liquid such as aluminium |
| 04/15/2009 | CN101408178A Reciprocating type aluminum liquid circulating device |
| 04/15/2009 | CN101407870A Multicomponent flux composition method capable of lowering metal-matrix composite synthesis temperature |
| 04/14/2009 | CA2536406C Industrial furnace |
| 04/08/2009 | EP2045553A1 Melting furnace with agitator and agitator for melting furnace |
| 04/08/2009 | EP2043799A1 Filter device for molten metal filtration |
| 04/08/2009 | EP1604048B1 Method and reactor for production of aluminum by carbothermic reduction of alumina |
| 04/08/2009 | CN101405415A Aluminiumcarbide-free aluminium alloy |
| 04/08/2009 | CN101403035A Method for comprehensive exploitation of low-ore grade laterite nickel mine |
| 04/08/2009 | CN100475988C Covering agent for high performance deforming aluminium and aluminium alloy, prepn. method and application thereof |
| 04/02/2009 | WO2008083449A3 Process and apparatus for use in recycling composite materials |