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Class Information
Number: 96/5
Name: Gas separation: apparatus > Apparatus for selective diffusion of gases (e.g., semipermeable membrane, etc.) > Immobilized liquid membrane
Description: Apparatus in which the barrier to gas diffusion is a liquid that is supported or immobilized in or on a porous medium.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7625427 Apparatus and process for carbon dioxide absorption Dec. 1, 2009
7318854 System and method for selective separation of gaseous mixtures using hollow fibers Jan. 15, 2008
6958085 High performance immobilized liquid membrane for carbon dioxide separations Oct. 25, 2005
6890372 Denuder assembly for collection and removal of soluble atmospheric gases May. 10, 2005
6800118 Gas/liquid separation devices Oct. 5, 2004
6666906 Gas dehydration using membrane and potassium formate solution Dec. 23, 2003
6645276 Solid state polymer electrolyte facilitated transport membranes containing surfactants Nov. 11, 2003
6635103 Membrane separation of carbon dioxide Oct. 21, 2003
6526805 Apparatus for continuously determining volatile substances dissolved in insulating fluid Mar. 4, 2003
6332913 Membrane module for selective gas separation Dec. 25, 2001
6228145 Method for removing carbon dioxide from gases May. 8, 2001
6156096 Gas separation using hollow fiber contained liquid membrane Dec. 5, 2000
6126723 Microcomponent assembly for efficient contacting of fluid Oct. 3, 2000
6083297 Gas dehydration membrane with low oxygen and nitrogen permeability Jul. 4, 2000
6048383 Mass transfer composite membrane for a fuel cell power plant Apr. 11, 2000
5876486 Method and apparatus for removing carbon dioxide Mar. 2, 1999
5853582 Tubular inorganic filter element having increased mechanical strength and increased filter area Dec. 29, 1998
5749941 Method for gas absorption across a membrane May. 12, 1998
5580452 Moving liquid membrane modules Dec. 3, 1996
5482859 Method and device for feeding gaseous substances into liquid media Jan. 9, 1996
5445669 Membrane for the separation of carbon dioxide Aug. 29, 1995
5411580 Oxygen-separating porous membranes May. 2, 1995
5395426 Device for the removal and concentration of organic compounds from the atmosphere Mar. 7, 1995
5281254 Continuous carbon dioxide and water removal system Jan. 25, 1994
5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process Aug. 4, 1992
5131928 High pressure facilitated membranes for selective separation and process for the use thereof Jul. 21, 1992
5110326 Immobilized liquid membrane May. 5, 1992
5100555 Method and system for removing radon from radon containing water Mar. 31, 1992
4973434 Immobilized liquid membrane Nov. 27, 1990
4954145 Filled membranes for separation of polar from non-polar gases Sep. 4, 1990
4900448 Membrane dehumidification Feb. 13, 1990
4888032 Salts of cationic-metal dry cave complexes Dec. 19, 1989
4840819 Method for preparing composite membranes for enhanced gas separation Jun. 20, 1989
4834779 Process for membrane seperation of gas mixtures May. 30, 1989
4824443 Gas separation by composite solvent-swollen membranes Apr. 25, 1989
4818255 Material for gas separation Apr. 4, 1989
4784880 Method for modifying asymmetric membranes by endo-treating Nov. 15, 1988
4780114 Molten salt hydrate membranes for the separation of gases Oct. 25, 1988
4750918 Selective-permeation gas-separation process and apparatus Jun. 14, 1988
4745796 Membrane-selective vapor sensing May. 24, 1988
4737166 Acid gas scrubbing by composite solvent-swollen membranes Apr. 12, 1988
4734112 Liquid membrane Mar. 29, 1988
4710205 Stabilized liquid films Dec. 1, 1987
4705544 Liquid membrane Nov. 10, 1987
4680037 Lacunar cobalt complexes for oxygen separation Jul. 14, 1987
4662905 Selective gas separator May. 5, 1987
4617029 Method for gas separation Oct. 14, 1986
4354857 Method and apparatus for separating gas molecules using a bipolar membrane as a molecular sieve Oct. 19, 1982
4187086 Packaged membrane system and replenishment method Feb. 5, 1980
4119408 Apparatus for maintaining the separation efficiency of immobilized liquid membranes in gas separation Oct. 10, 1978

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