Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Nov 14, 2008
filing date -
Nov 20, 2007
priority date (Note) -
Abandoned
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Abstract
An electrospinning fine fiber production methodology for generating a significant amount of fibers with diameters of less than 100 nanometers is provided. Also, a filter media composite comprising a substrate layer and an electrospun fine fiber layer having a increased efficiency relative to pressure drop and/or a controlled pore size distribution is provided. According to some embodiments nylon is electrospun from a solvent combination of formic and acetic acids.
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