| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 05/10/1986 | CN85108571A Rotary device, apparatus and method for treating molten metal |
| 04/15/1986 | US4583229 Metal melting system |
| 04/08/1986 | US4581062 Process for the continuous purification of metals by fractional crystallization on a rotary drum |
| 04/02/1986 | EP0176296A1 Melting furnace |
| 03/25/1986 | US4578111 Furnace and process for providing a source of molten metal |
| 03/18/1986 | US4576636 Process for beneficiating oxidic ores |
| 03/12/1986 | EP0174074A1 Method of purifying aluminium |
| 03/11/1986 | US4575392 Economical, non-polluting |
| 03/11/1986 | US4575056 Apparatus for the recovery of liquid aluminium by compression of hot dross |
| 02/25/1986 | US4572485 Apparatus for melting a melting stock composed of scrap metal and/or coarse scrap material |
| 02/18/1986 | US4571258 Recovery of aluminium scrap |
| 02/05/1986 | EP0170600A1 Chloridizing ladle for aluminium alloys to remove magnesium |
| 02/04/1986 | US4568430 Process for refining scrap aluminum |
| 02/04/1986 | US4568385 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 01/21/1986 | US4565572 Process for recovering metal from aluminum dross |
| 01/15/1986 | EP0168250A2 Light gauge metal scrap melting system |
| 01/15/1986 | EP0167789A1 Process for the recovery of aluminium from drosses |
| 12/31/1985 | CA1198595A1 Treating molten aluminum |
| 12/24/1985 | CA1198289A1 Removal of fine particles from molten metal |
| 12/03/1985 | US4556419 Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom |
| 12/03/1985 | CA1197383A1 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts |
| 11/05/1985 | CA1196196A1 Method of stirring molten metal refractory cylinder for the purpose |
| 10/24/1985 | WO1985004675A1 Improvement to a device for the treatment, during the passage, of a liquid alloy or metal stream based on aluminium or magnesium |
| 10/22/1985 | US4548651 Vaporization of hydrocarbon combustible in kiln, separation of fumes, then controlled combustion |
| 10/22/1985 | CA1195495A1 Apparatus for refining molten metal |
| 10/15/1985 | CA1195124A1 Process for producing high-purity aluminum |
| 10/02/1985 | EP0156157A1 Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
| 09/25/1985 | EP0155906A1 Process for treating aluminium scrap |
| 09/25/1985 | EP0155701A2 Device for releasing and diffusing bubbles into liquid |
| 09/17/1985 | CA1193448A1 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
| 09/17/1985 | CA1193447A1 Process for separating solid particulates from a melt |
| 09/10/1985 | US4540163 Press for recovering metal from dross |
| 09/10/1985 | CA1193096A1 Device for treating a flowing molten aluminum or magnesium based metal or alloy |
| 08/28/1985 | EP0152790A1 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 08/20/1985 | US4536212 Production of a purified aluminum monochloride from alumina, bauxites and clays and the subsequent production of aluminum metal |
| 08/14/1985 | EP0151434A1 Method of and apparatus for treating and breaking up a liquid with the help of centripetal force |
| 08/06/1985 | US4533386 Process for producing aluminum |
| 07/30/1985 | CA1191031A1 Method of recovering alumina values from a starting solid mixture comprising alcl.sub.3 and nacl |
| 07/16/1985 | US4528939 Electrically conductive containment vessel for molten aluminum |
| 07/09/1985 | US4527779 Metal recovery compression mechanism |
| 06/25/1985 | US4525212 Decontamination of aluminum by chlorination |
| 06/25/1985 | CA1189478A1 Manufacture of aluminium-silicon alloys |
| 06/18/1985 | US4523949 Compacting, roastring to votalize chlorides, burn combustibles and produce refractory |
| 06/11/1985 | CA1188523A1 Treatment of gases from a carbothermic reactor for the production of aluminum |
| 06/04/1985 | US4521001 Apparatus for removing gases from molten metal, especially molten aluminum |
| 06/04/1985 | CA1188107A1 Removal of alkali metals and alkaline earth metals from molten aluminium |
| 05/29/1985 | EP0142727A1 Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom |
| 05/21/1985 | US4518424 Efficient melting of aluminum-recycling system |
| 05/02/1985 | EP0138929A1 Method and device for the recovery of liquid aluminum by compression of hot slag. |
| 04/30/1985 | CA1186156A1 Segregation process for the purification of metals |
| 04/16/1985 | US4511398 Process for purifying aluminum with sodium |
| 04/16/1985 | CA1185436A1 Process for the manufacture of aluminium with high purity eutectic elements |
| 04/16/1985 | CA1185435A1 Fume recovery system in the carbothermic production of aluminium |
| 04/02/1985 | US4508564 Scrap metal reclaiming process |
| 03/26/1985 | US4507150 Complexing titanium and vanadium with boron |
| 03/26/1985 | CA1184390A1 Process and reactor for production of aluminium by carbothermic reduction of alumina |
| 03/26/1985 | CA1184381A1 Rotating gas dispersal device for treating metal melts |
| 03/20/1985 | EP0134705A1 Method of filtering molten metal |
| 02/26/1985 | US4501614 Alloyed solid solution of sodium and potassium chlorides |
| 02/20/1985 | EP0133417A2 Process and device for the introduction of metal to a metal melt |
| 02/19/1985 | CA1182647A1 Method and device for automatic vacuum degassing of aluminum alloys |
| 02/12/1985 | US4498523 Continuous method for reclaiming, melting and casting aluminum scrap |
| 01/22/1985 | US4494985 Filtration of inclusions from molten metal alloy |
| 01/15/1985 | CA1180904A1 Process for the exploitation of low-grade oxidic and iron-bearing complex ores or concentrates |
| 01/02/1985 | EP0129975A1 Recovery of aluminium scrap |
| 01/02/1985 | CA1180164A Method and apparatus for the continuous injection of measured amounts of a gaseous halogen derivation into a molten metal |
| 01/01/1985 | US4491474 Metal scrap recovery system |
| 01/01/1985 | US4491473 Method of operating metallic scrap treating furnace to fragment and segregate metallic components therein |
| 01/01/1985 | US4491472 Combustion, alloying |
| 01/01/1985 | US4491471 Composite pellet for use as a carbothermic reduction feed |
| 12/11/1984 | CA1179382A1 Ceramic foam filter and aqueous slurry for making same |
| 12/05/1984 | EP0126810A1 Process for carbothermic reduction of alumina |
| 12/04/1984 | US4486229 Aluminum silicide from alumina and silica |
| 12/04/1984 | US4486228 Metal scrap reclamation system |
| 11/27/1984 | US4484947 Method for melting a charge of bulk solid metal |
| 11/20/1984 | US4483827 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
| 11/20/1984 | CA1178026A1 Treatment of chlorination residue |
| 11/06/1984 | US4481031 Reduction of natural minerals |
| 11/06/1984 | US4480797 Installation for treatment of waste metal and liquid dross |
| 11/06/1984 | CA1177368A1 Decoating of aluminium scrap |
| 11/06/1984 | CA1177244A1 Molten metal filtering device |
| 10/23/1984 | CA1176470A1 Production of aluminium and uranium products |
| 10/03/1984 | EP0120684A1 Improvements in melting scrap metal and ingestion of solids in molten metal |
| 10/02/1984 | US4474735 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts |
| 10/02/1984 | CA1175238A1 Method and apparatus for the thermal production of metal carbides and metals |
| 09/27/1984 | WO1984003719A1 Method and device for the recovery of liquid aluminum by compression of hot slag |
| 09/25/1984 | CA1174946A1 Recovery of coated aluminium scrap |
| 09/19/1984 | EP0119094A2 Metal scrap reclamation system |
| 09/18/1984 | US4472361 Method of recovering alumina values from a starting solid mixture comprising AlCl3 and NaCl |
| 09/11/1984 | US4470846 Stirring melt with aluminum compound contain fluoride and separation |
| 09/04/1984 | US4469512 Process for producing high-purity aluminum |
| 09/04/1984 | US4468847 Method of segregating metallic components |
| 08/07/1984 | US4463935 In a melting furnace |
| 08/07/1984 | CA1172035A1 Device for combined smelting and holding furnace |
| 07/31/1984 | US4463065 Ribbed catalysts coated electrolytes |
| 07/24/1984 | CA1171285A1 Heat recovery and melting system for scrap metals |
| 06/27/1984 | EP0112024A1 Removal of impurities from molten aluminium |
| 06/27/1984 | EP0035545B1 Probes for the ultrasonic treatment or inspection of molten aluminum |
| 06/26/1984 | US4456480 Controlled cooling, compaction, and remelting to form crystal layer between purified metal and impurities |
| 06/26/1984 | US4456479 Injection of lifting gas into low vapor pressure melt under vacuum to cause gas flow, then condensation |