HYDROPHILIC ELECTRET MEDIA
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Feb 28, 2014
filing date -
Feb 28, 2014
priority date (Note) -
Abandoned
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Abstract
The present disclosure describes a surfactant treatment for a polyolefinic nonwoven fabric used as a filtration medium or for collecting dust and dirt, e.g. as a mop or similar device. The surfactant treatment consists essentially of carbon, hydrogen and oxygen atoms. The surfactant treated material has a BFE after electret treatment of at least 97 percent and is hydrophilic.
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