Filter Medium For Filtration Of Gases Filtration Device And Method For Production Of Filter Medium
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United States of America Patent
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Issued Date -
Dec 27, 2007
app pub date -
Sep 8, 2005
filing date -
Sep 29, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a filter medium for the filtration of gases such as air for ventilation and/or heating and/or air conditioning of buildings or motor vehicles, comprising at least one web of fibres made up of a mixture of at least two fibre populations with different average diameter, each fibre population having in particular a yarn number of less than or equal to 50 decitex (dtex), preferable more than one equal to 1 decitex. The invention further relates to am method for production of said filter medium.
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