Filtration device and method using absorption for the removal of gas phase contaminants

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United States of America Patent

PATENT NO 6004381
SERIAL NO

08958719

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A filter device and technique are described which rely on absorption rather than adsorption for the removal of gas phase contaminants. A filter media is composed of wicking fibers which are impregnated with any of a variety of liquid phase absorbing systems made from the combination of a carrier liquid and soluble complexing/degrading agent or agents. The wicking fibers may be connected to an external reservoir which can be used to supply fresh absorbing fluid to the filter media giving them a potentially inexhaustible capacity. The filter media may be made from any of a variety of fibers which can rapidly transport a liquid phase by the nature of either their geometry or their chemical composition. Geometries may include multilobal cross-sectional configurations, porous hollow fibers, porous or striated fibers or tightly bundled microfibers, all of which exhibit the property of wicking fluid from an external source.

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Patent Owner(s)

Patent OwnerAddress
FRAM GROUP IP LLCC/O RANK GROUP LIMITED 148 QUAY STREET P O BOX 3515 LEVEL NINE AUCKLAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jones, Gordon W Toledo, OH 16 474
Kheradi, Bijan Perrysburg, OH 2 95
Rohrbach, Ronald P Flemington, NJ 78 1196
Sturgeon, Richard M Maumee, OH 6 143
Unger, Peter D Convent Station, NJ 58 889

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