| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 05/02/2000 | US6056803 Injector for gas treatment of molten metals |
| 05/02/2000 | CA2287761A1 Process for making aluminum |
| 04/29/2000 | CA2252203A1 High purity salt aluminum flux |
| 04/27/2000 | DE19947729A1 Gas introduction system for melt baths |
| 04/25/2000 | US6053959 Method and composition for aluminum recycle using salt flux |
| 04/20/2000 | WO2000022179A1 System for introducing gas with a gastight lining for molten baths |
| 04/13/2000 | WO2000020651A1 Device and method for removing dross from a vessel of molten zinc with enhanced zinc yield |
| 04/13/2000 | CA2346425A1 Device and method for removing dross from a vessel of molten zinc with enhanced zinc yield |
| 04/12/2000 | EP0992598A1 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles |
| 04/11/2000 | US6049067 An improved crucible for containing a body of molten aluminum and maintaining the molten aluminum at a predetermined temperature for transportation by heating the liner of ceramic, inert to aluminum, transferring the heat to aluminum |
| 04/06/2000 | WO2000018974A1 Flux for molten aluminum and aluminum alloy |
| 04/06/2000 | WO2000018685A1 Feed processing for improved alumina process performance |
| 04/06/2000 | WO1999053110A8 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles |
| 03/30/2000 | WO2000017127A1 Ceramic product based on lithium aluminium silicate |
| 03/30/2000 | DE19843685A1 Separation, collection and removal of aluminum oxide residues from liquid aluminum alloys in casting troughs or the channels before entry into molds or mold arrays |
| 03/30/2000 | CA2344410A1 Ceramic product based on lithium aluminium silicate |
| 03/29/2000 | EP0989096A2 Liquor oxalate stabilizers |
| 03/28/2000 | US6042660 Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same |
| 03/21/2000 | CA2079711C Method and means for improving molten metal furnace charging efficiency |
| 03/15/2000 | CN1050385C Method and appts. for smelting aluminum, scrap and remainders containing aluminum |
| 03/14/2000 | US6036745 Receptacle for containing molten metal and diversion with circular flow with immersion |
| 03/14/2000 | US6036743 Filters for liquid salts from liquid aluminum metal with substrate that resists wetting by liquid aluminum metal and porous substrate |
| 03/08/2000 | CN1246895A Method for treating material containing metal and organic matter, including metal separation |
| 03/08/2000 | CN1246810A Metal recovery from salt cake and other compositions |
| 03/02/2000 | WO2000010919A1 Feed processing for improved alumina process performance |
| 03/02/2000 | CA2340971A1 Feed processing for improved alumina process performance |
| 02/24/2000 | WO2000009771A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/24/2000 | WO2000009770A1 Process and apparatus for recovering metal material from waste material |
| 02/24/2000 | CA2339851A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 02/22/2000 | US6027685 Flow-directing device for molten metal pump |
| 02/09/2000 | EP0894151B1 Recovery of metal from dross |
| 02/08/2000 | US6022396 Process for treatment of residues which arise in industrial processes and in waste incineration |
| 02/03/2000 | DE19833419A1 Processing crushed aluminum-containing residual material used in the secondary aluminum industry comprises adding a carbon support to the material, mixing and converting to oxide ceramic |
| 01/20/2000 | WO2000003046A1 Process for refining aluminum |
| 01/20/2000 | WO2000003045A1 Method for in-line filtering of a liquid metal and implementing device |
| 01/20/2000 | CA2337808A1 Method for in-line filtering of a liquid metal and implementing device |
| 01/20/2000 | CA2337793A1 Process for refining aluminum |
| 01/19/2000 | EP0972850A1 Process for refining aluminium |
| 01/19/2000 | EP0972088A1 Process for treating a material containing metal and organic matter, including metal separation |
| 01/06/2000 | WO2000000654A1 Treatment of an aluminium alloy melt |
| 01/04/2000 | US6010552 Purifying, degassing melt; applying electromagnetics |
| 12/29/1999 | EP0967294A1 Treatment of an aluminium melt |
| 12/29/1999 | CN1047804C Aluminum melting method with reduced dross formation |
| 12/22/1999 | EP0965403A1 Decomposition, accumulation and removal of remaining alumina in liquid aluminium-alloys in casting troughs or channels or the like before entry into moulds or mould-aggregates |
| 12/21/1999 | US6004409 Using aluminum scrap to produce machinable tooling plates, analyzing for elements and casting plates |
| 12/16/1999 | WO1999064638A1 Removal of oxygen from metal oxides and solid solutions by electrolysis in a fused salt |
| 12/15/1999 | EP0964069A1 Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same |
| 12/09/1999 | DE19915724A1 Cleaning oil soaked metal swarf |
| 12/09/1999 | DE19824573A1 Verfahren zum Schmelzen von Metallen A method for melting metals |
| 12/08/1999 | EP0962540A1 Process for thek non-oxidizing smelting of metals in a furnace with oxy-fuel burner |
| 12/07/1999 | US5997828 Process for production of alumina from ore bodies containing aluminum |
| 12/07/1999 | US5997801 Metal chip reclamation system |
| 11/30/1999 | US5993728 Gas injection pump |
| 11/30/1999 | US5993512 The molten salts dissolve into the water. the metal oxides, and any metal entrapped in the molten mixture, instantly fragment into small particles. brine can be separated from the small particles. |
| 11/25/1999 | WO1999060177A1 Method for continuous separation of impurities and alloyings from liquid metal baths and device for implementing said method |
| 11/24/1999 | EP0842305B1 Process for treating filter ashes arising from waste treatment |
| 11/23/1999 | US5989310 Mixing a chloride salt containing fine carbon particles with aluminum alloy metal melt containing zirconium and/or vanadium which react to form uniformly dispersed fine carbide particles in alloy matrix |
| 11/18/1999 | WO1999043615A9 Recovery of products from non-metallic products derived from aluminum dross |
| 11/16/1999 | US5984999 Apparatus having gas-actuated pump and charge well and method of melting metal therewith charge a well of a metal-melting furnace |
| 11/10/1999 | EP0954616A1 Method and device for separating metals and/or metal alloys of different melting points |
| 11/09/1999 | US5980817 Relating to press heads and dross pressing apparatus |
| 11/09/1999 | CA2117672C Filter medium for metal hot melt and treatment process for metal hot melt |
| 10/21/1999 | WO1999053110A1 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles |
| 10/21/1999 | WO1999053109A1 Apparatus having gas-actuated pump and charge well and method of melting metal therewith |
| 10/21/1999 | WO1999043615A8 Recovery of products from non-metallic products derived from aluminum dross |
| 10/20/1999 | EP0786015B1 Molten metal treatment |
| 10/19/1999 | US5968223 Reciprocally rotating a disperser projected into melt while electrically heating an element inserted longitudinally into baffle interior so that melt flows beneath suspended baffle to contact both its sides prior to being discharged |
| 10/14/1999 | WO1999051784A1 Twin chamber combustion furnace |
| 10/12/1999 | CA2130798C Recovery of non-ferrous metals from dross |
| 10/07/1999 | WO1999050466A1 Metal scrap submergence system for scrap charging/melting well of furnace |
| 10/06/1999 | EP0946850A1 Melting apparatus and method for melting metal |
| 10/06/1999 | EP0946769A1 Dross press with rocking press head |
| 10/06/1999 | EP0946768A1 Molten metal pump and method of using |
| 10/05/1999 | US5961689 This invention relates generally to heating and/or melting a charge such as aluminum. |
| 09/29/1999 | CN1045315C Method and appts. for used aluminum can recycling |
| 09/28/1999 | US5958357 Method of producing chlorine |
| 09/21/1999 | US5955042 Method of treating spent potliner material from aluminum reduction cells |
| 09/15/1999 | EP0942247A1 Protective atmosphere heating |
| 09/08/1999 | EP0940474A1 Aluminium-bismuth bearing alloy and methods for its continuous casting |
| 09/08/1999 | CN1228033A High capacity filter |
| 09/08/1999 | CN1227910A 保护性气氛加热方法 Protective atmosphere heating method |
| 09/07/1999 | CA2148905C Filtration of molten material |
| 09/02/1999 | WO1999043859A1 Method for production of aluminium |
| 09/02/1999 | WO1999043615A1 Recovery of products from non-metallic products derived from aluminum dross |
| 09/02/1999 | CA2321708A1 Method for production of aluminium |
| 08/10/1999 | US5935887 Sintered alumina aggregate particles with an inorganic oxide binder comprising aluminum, silicon, boron and magnesium; use for filtering molten metals |
| 08/10/1999 | US5935293 Fast quench reactor method |
| 07/28/1999 | CN2330662Y Tesseral aluminium melt double-stage thermal insulated deaeration tank |
| 07/08/1999 | WO1999034024A1 Injector for gas treatment of molten metals |
| 07/06/1999 | US5919283 Method and apparatus for introducing metal chips into molten metal bath |
| 07/01/1999 | WO1999032673A1 Process for treating a material containing metal and organic matter, including metal separation |
| 07/01/1999 | WO1999032260A1 Method of removing a metallic coating layer from scrap metal pieces |
| 06/29/1999 | US5917114 Offgas recycling processes; cyclically regenerates one treatment flow path while the other treatment flow path is treating the offgas. |
| 06/29/1999 | US5916084 Batch centrifuge for a mixture of solid and liquid and skim from molten aluminous metal |
| 06/29/1999 | CA2115013C Process for extracting aluminum from ore |
| 06/23/1999 | CN1043789C Improved rotor equipped with blade in rotary spray-nozzle apparatus |
| 06/17/1999 | WO1999029626A1 Improvements relating to the bayer process |
| 06/09/1999 | EP0920350A1 High capacity filter |
| 05/25/1999 | US5906790 Rotation system for press head |
| 05/19/1999 | EP0916066A1 Rotary gas dispersion device for treating a liquid aluminium bath |