Contoured layer channel flow filtration media
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United States of America Patent
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Jun 22, 2004
Grant Date -
Jun 26, 2003
app pub date -
May 29, 2001
filing date -
Jan 29, 1999
priority date (Note) -
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Abstract
A filtration media array is provided having at least one contoured polymeric film layer having surface structures. The film layers may be configured as a stack that has the contoured film layer defining a plurality of ordered inlet openings through a face of the stack and corresponding air pathways, thereby forming an open, porous volume. The air pathways may be defined by a plurality of flow channels formed by the contours of the structured contoured film layers.
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