| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 11/08/2001 | WO2001083836A2 Protection of molten magnesium with a cover gas using fluorocarbons |
| 10/31/2001 | CN1320102A Feed processing for improved alumina porcess performance |
| 10/30/2001 | US6310264 Method for processing material comprising aluminum and plastic |
| 10/25/2001 | WO2001079569A1 Sputter targets and methods of manufacturing same to reduce particulate emission during sputtering |
| 10/24/2001 | EP1147236A1 Carbothermic aluminium production using scrap aluminium as coolant |
| 10/18/2001 | WO2001077396A1 Process and apparatus for continuous vacuum purification of molten metal |
| 10/18/2001 | CA2372385A1 Process and apparatus for continuous vacuum purification of molten metal |
| 10/17/2001 | EP1146304A1 Double chamber furnace for immersion smelting of contaminated aluminium scrap |
| 10/17/2001 | EP1144700A1 Improved method for filtering a metal liquid on a bed of refractory particulate material |
| 10/17/2001 | CN1317588A Electromagnetic filter method for purifying molten aluminium and aluminium alloy |
| 10/17/2001 | CN1317587A Electromagnetic filter for purifying molten aluminium and aluminium allloy |
| 10/16/2001 | US6303074 Mixed flow rotor for molten metal pumping device |
| 10/11/2001 | US20010028136 Two-chamber furnace for the melt- contact smelting of contaminated aluminum scrap |
| 10/11/2001 | US20010027702 Mixture of compounds including, e.g., carbonyl fluoride, sulfuryl chloride fluoride, trifluoroacetyl fluoride, sulfur tetrafluoride, bisfluoroxydifluoromethane, nitrosyl fluoride, thionyl fluoride, sulfuryl fluoride, etc. |
| 10/10/2001 | EP1141426A1 Method and device for purifying aluminium by segregation |
| 10/10/2001 | EP1141425A1 Method and apparatus for the production of aluminium from alumina ore by aluminium sulfide process |
| 10/09/2001 | US6299828 Shaft design for fluxing molten metal |
| 10/04/2001 | WO2001073143A1 Agglomeration of alumina and binder therefor |
| 10/04/2001 | WO2001073142A1 Agglomeration of alumina |
| 10/04/2001 | DE10015776A1 Process for utilizing natural gas released during the transport of crude oil from a conveying device into the sea comprises obtaining direct electrical energy from the released natural gas and using in the production of aluminum |
| 10/04/2001 | CA2404485A1 Agglomeration of alumina and binder therefor |
| 09/27/2001 | DE10014711A1 Gas-heated dual-chamber furnace for immersion melting of contaminated aluminum scrap, includes pyrolysis chamber in which hot flue gases purify charge |
| 09/26/2001 | EP1136778A1 Melting/retaining furnace for aluminum ingot |
| 09/26/2001 | EP1135660A1 Improved apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross |
| 09/26/2001 | EP1135333A1 Feed processing for improved alumina process performance |
| 09/25/2001 | US6293990 Aluminum alloy semi-finished product manufacturing process using recycled raw materials |
| 09/25/2001 | US6293209 Process for treating a material containing metal and organic matter, including metal separation |
| 09/24/2001 | CA2342096A1 Two-chamber furnace for the melt-contact smelting of contaminated aluminum scrap |
| 09/18/2001 | US6290900 Molten metal vessel for filtering impurities |
| 09/13/2001 | US20010020760 Method for fluxing molten metal using reinforced refractory shaft design |
| 09/13/2001 | US20010020759 Molten metal vessel for filtering impurities |
| 09/12/2001 | EP1132487A1 Gas treatment of molten metals |
| 09/05/2001 | EP1129295A1 Shaft and post assemblies for molten metal pumping apparatus |
| 09/05/2001 | EP1129227A1 Device and method for removing dross from a vessel of molten zinc with enhanced zinc yield |
| 09/04/2001 | US6284190 Apparatus for recovering metal from dross |
| 08/22/2001 | CN1309724A Removal of oxygen from metal oxides and solid solutions by electrolysis in fused salt |
| 08/22/2001 | CN1069928C Method for treating material contg. metal and organic metter, including metal separation |
| 08/16/2001 | DE10002368A1 NE-Metall Sortierung Non-ferrous metal sorting |
| 08/14/2001 | US6273970 Aluminum-bismuth bearing alloy and methods for its continuous casting |
| 08/09/2001 | US20010011788 Refractory head with optional spike for dross press |
| 08/08/2001 | EP1122322A1 Blanketing molten non-ferrous metals and alloys with fluoride gases having reduced global warming potential |
| 08/01/2001 | EP1119646A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 08/01/2001 | EP1119645A1 Process and apparatus for recovering metal material from waste material |
| 07/26/2001 | WO2001053547A1 Method for separating a fraction containing ne metals into the respective ne metals by means of surface colouring |
| 07/25/2001 | CN1305016A Process for refining and modifying aluminium alloy |
| 07/24/2001 | US6264810 Electromechanical attachment of inert electrode to a current conductor |
| 07/19/2001 | WO2001051676A2 Device and method for obtaining raw materials from liquid slag |
| 07/19/2001 | US20010008095 Recycle of scrap aluminum |
| 07/12/2001 | WO2001049796A1 Chemical delacquering process |
| 07/05/2001 | US20010006606 Aluminium base alloy of scrap metal and casting alloy produced from this |
| 07/04/2001 | EP1112239A1 Ceramic product based on lithium aluminium silicate |
| 07/04/2001 | EP0954616B1 Method and device for separating metals and/or metal alloys of different melting points |
| 07/04/2001 | CN1068062C Production of metal such as aluminium, magnesium, silicon and like from metal oxide compounds |
| 06/27/2001 | EP1111077A1 Aluminium alloy produced from scrap metal and casting alloy so produced |
| 06/27/2001 | EP1111076A2 Telescopic dross pot |
| 06/27/2001 | EP1109740A1 Feed processing for improved alumina process performance |
| 06/27/2001 | CN1300861A Combined method for purifying molten aluminium and Al-alloy |
| 06/24/2001 | CA2329561A1 Aluminium base alloy of scrap metal and casting alloy produced from this |
| 06/20/2001 | CN1299883A Compound purifyier for aluminium and aluminium alloy melt |
| 06/14/2001 | WO2001042531A1 Dense refractory material for use at high temperatures |
| 06/14/2001 | WO2001042168A1 Aluminium-wettable protective coatings for carbon components used in metallurgical processes |
| 06/14/2001 | WO1998039490A9 Modular filter system for molten metal |
| 06/14/2001 | CA2393491A1 Aluminium-wettable protective coatings for carbon components used in metallurgical processes |
| 06/14/2001 | CA2393351A1 Dense refractory material for use at high temperatures |
| 06/12/2001 | US6245122 Apparatus and method for reclaiming scrap metal |
| 05/29/2001 | US6238633 Process for preparing calcium aluminate from aluminum dross |
| 05/25/2001 | WO2001036695A1 Method for ultrasonic treatment of a melt of hypereutectic silumins |
| 05/25/2001 | WO2001036694A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 05/23/2001 | EP1101830A1 Process of making semi-finished products consisting of aluminium alloys by using recycled scrap materials |
| 05/23/2001 | EP1100974A1 Method for in-line filtering of a liquid metal and implementing device |
| 05/22/2001 | US6235234 Device and method for enhancing zinc yield from dross |
| 05/22/2001 | US6235184 Anode, a process for the manufacture thereof and a process for the production of aluminum |
| 05/17/2001 | WO2001034858A1 Carbothermic process for production of metals |
| 05/17/2001 | CA2390943A1 Carbothermic process for production of metals |
| 05/15/2001 | US6231822 Recovering chloride and sulfate compounds from spent potliner |
| 05/15/2001 | US6231678 Chemical delacquering process |
| 05/15/2001 | US6231639 Modular filter for molten metal |
| 05/08/2001 | US6228319 Portable dross press with rising and dumping pot |
| 05/03/2001 | US20010000633 Depositing a first batch of ceramic material in a mold, firing, forming first region of gas diffuser having first gas flow characteristics, similarly second region is formed with second gas flow characteristics; an interconnected pores |
| 05/01/2001 | US6224648 Method and device for separating metals and/or metal alloys of different melting points |
| 05/01/2001 | US6223805 Method for manufacturing castable metal matrix composite bodies and bodies produced thereby |
| 04/25/2001 | EP0642594B1 Method and apparatus for separating and removing liquid particles from molten metal |
| 04/18/2001 | CN1292037A Method for production of aluminium |
| 04/17/2001 | US6217840 Production of fumed silica |
| 04/17/2001 | US6217836 Recovering carbon, silica and alumina from spent potliner |
| 04/17/2001 | US6217823 Metal scrap submergence system |
| 04/17/2001 | US6217631 Increasing shear forces in the body of molten metal and reducing vortex formation |
| 04/11/2001 | EP1090156A1 Treatment of an aluminium alloy melt |
| 04/10/2001 | US6214302 Production of aluminum sulfate from coal ash |
| 04/04/2001 | EP1088113A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 04/03/2001 | US6210460 Strontium-aluminum intermetallic alloy granules |
| 03/28/2001 | EP1086936A2 Ceramic composites and use thereof as lining materials |
| 03/28/2001 | EP1086255A1 Method for continuous separation of impurities and alloyings from liquid metal baths and device for implementing said method |
| 03/27/2001 | US6206950 Process for recovery of aluminum using high purity salt aluminum flux |
| 03/21/2001 | EP1085104A1 Method of working-up incineration residues into a disposable material using an oxidizing wash treatment |
| 03/21/2001 | EP0877828B1 Dross pot for dross processing |
| 03/13/2001 | US6199836 Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| 03/13/2001 | US6199779 Comminuting and classifying dross into metal-enriched and salt-enriched size fractions and classifying the metal containing fraction into a product stream and recycle stream |
| 03/07/2001 | EP1081240A1 Stirrer equipment for the continuous treatment of liquid metals |
| 03/01/2001 | WO2001014605A1 Briquette for lowering the viscosity of metallurgical slag and process for its production |