Contoured layer channel flow filtration media

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United States of America Patent

PATENT NO 6280824
SERIAL NO

09240123

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYPO BOX 33427 ST PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Insley, Thomas I West Lakeland Township, MN 62 1721
Johnson, Todd W Minneapolis, MN 94 1550

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