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Class Information
Number: 75/681
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Nonferrous > Aluminum(al) > Treating molten aluminum(al) > Adding gas > Containing halogen atom
Description: Process in which the gas contains Halogen.










Sub-classes under this class:

Class Number Class Name Patents
75/682 And adding solid 15


Patents under this class:
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Patent Number Title Of Patent Date Issued
6685764 Processing molten reactive metals and alloys using fluorocarbons as cover gas Feb. 3, 2004
6585797 Recirculating molten metal supply system and method Jul. 1, 2003
6572676 Process for refining aluminum Jun. 3, 2003
6162279 Method for fluxing molten metal using shaft design Dec. 19, 2000
5993728 Gas injection pump Nov. 30, 1999
5968223 Method for heating molten metal using heated baffle Oct. 19, 1999
5958357 Method of producing chlorine Sep. 28, 1999
5917114 Degassing of liquid aluminum and other metals Jun. 29, 1999
5769924 Method of treating aluminum with chlorine produced from chlorocarbon compounds Jun. 23, 1998
5718742 Ladle and impeller rotation for fluxing molten metal Feb. 17, 1998
5660614 Gas treatment of molten metals Aug. 26, 1997
5630863 Method for fluxing molten-metal May. 20, 1997
5616167 Method for fluxing molten metal Apr. 1, 1997
5536296 Process for treating molten aluminum with chlorine gas and sulfur hexafluoride to remove impurities Jul. 16, 1996
5527381 Gas treatment of molten metals Jun. 18, 1996
5462581 Method for treating molten metal Oct. 31, 1995
5453110 Method of gas fluxing with two rotatable dispensers Sep. 26, 1995
5405578 Method for preparing master alloy hardeners for use in preparing an aluminum alloy Apr. 11, 1995
5364450 Molten metal treatment Nov. 15, 1994
5340379 Jet flow device for injecting gas into molten metal and process Aug. 23, 1994
5226950 Liquid-in-liquid sensor and method Jul. 13, 1993
5145514 Treating aluminium with chlorine Sep. 8, 1992
5090998 Purification of metal melts with halogen gas generated in an electrolysis cell Feb. 25, 1992
5087292 Process and apparatus for treating a liquid with a gas Feb. 11, 1992
5071523 Two stage lithium transport process Dec. 10, 1991
5029821 Apparatus for controlling the magnesium content of molten aluminum Jul. 9, 1991
5024696 Apparatus and method for degassing molten metal Jun. 18, 1991
4992241 Recycling of metal matrix composites Feb. 12, 1991
4908060 Method for treating molten metal with a rotary device Mar. 13, 1990
4897115 Method of, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminum Jan. 30, 1990
4770697 Blanketing atmosphere for molten aluminum-lithium alloys or pure lithium Sep. 13, 1988
4769069 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent Sep. 6, 1988
4758316 Aluminum-lithium scrap recovery Jul. 19, 1988
4668351 Method of producing aluminum May. 26, 1987
4607825 Ladle for the chlorination of aluminium alloys, for removing magnesium Aug. 26, 1986
4556419 Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom Dec. 3, 1985
4525212 Decontamination of aluminum by chlorination Jun. 25, 1985
4494735 Apparatus for degassing molten metal Jan. 22, 1985
4456479 Vacuum purification of liquid metals Jun. 26, 1984
4427185 Method and apparatus for gaseous cleaning of aluminum Jan. 24, 1984
4426068 Rotary gas dispersion device for the treatment of a bath of liquid metal Jan. 17, 1984
4402741 Process for the precise and continuous injection of a halogenated derivative in the gaseous state into a liquid metal Sep. 6, 1983
4401295 Apparatus for treating molten metal Aug. 30, 1983
4392888 Metal treatment system Jul. 12, 1983
4357004 Apparatus for refining molten metal Nov. 2, 1982
4351514 Apparatus for purifying molten metal Sep. 28, 1982
4317679 Method and apparatus for the degassing of molten metal Mar. 2, 1982
4295883 Device and method for introducing gases into molten metal Oct. 20, 1981
4235627 Method and apparatus for the degassing of molten metal Nov. 25, 1980
4191559 Skim removal Mar. 4, 1980

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