Filter Device
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United States of America Patent
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Issued Date -
Apr 17, 2008
app pub date -
Oct 9, 2007
filing date -
Oct 9, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A filter device has a filter element made from a filter hose that has a filter wall separating an unfiltered side from a clean side of the filter device in a radial direction. The filter wall of the filter hose is provided with a very fine particle filtration layer comprised of nanofibers. The diameter of the nanofibers is less than one micrometer. The nanofiber layer can be applied to a green filter material and the filter element can be produced subsequently from the filter material with applied nanofiber layer. Alternatively, the nanofiber layer can be applied to a finished filter element.
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