Melt blown polymeric filtration medium for high efficiency fluid filtration
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United States of America Patent
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Feb 12, 2013
Grant Date -
Sep 2, 2010
app pub date -
Feb 27, 2009
filing date -
Feb 27, 2009
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Abstract
Disclosed herein is a polymeric filtration medium including at least one fibrous mat of randomly oriented fibers of a polymer. The polymer has a molecular weight distribution (Mw/Mn) between about 1.4 and about 6 and a melt flow rate greater than about 1000 g/10 minutes. Also disclosed herein are methods of making and using the polymeric filtration medium. Further disclosed herein is a composite filtration medium incorporating the polymeric filtration medium.
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