Reduced solidity web comprising fiber and fiber spacer or separation means
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United States of America Patent
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Apr 5, 2011
Grant Date -
Jan 13, 2011
app pub date -
Aug 17, 2009
filing date -
Feb 16, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A web can comprise a substantially continuous fiber mass and a separation means dispersed into the fiber. The web having a preferred thickness resulting from forming a polymer material and a particulate into a fine fiber layer can have a variety of end uses. A filtration media can include a structure comprising such a web of fine fiber and a substantial volume of particulate embodiment of the separation means. The resulting fine fiber structure provides an improved filtration medium having substantial depth, thickness, and a layered structure. The improved properties of the web results from inclusion of the separation or spacer particulate.
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