Hepa filter
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United States of America Patent
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Aug 6, 2002
Grant Date -
N/A
app pub date -
Jan 18, 2000
filing date -
Jan 18, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed toward a filter media for a high efficiency particulate air ('HEPA') filter including a multiplicity of adjacent electrostatically charged piles of nonwoven fabric. The invention further includes a method of making a HEPA filter.
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