Hydrophobic barrier for filters and filter media
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 26, 2000
Grant Date -
N/A
app pub date -
May 8, 1998
filing date -
May 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter is disclosed having a layer of electret filter media or triboelectric filter media immediately adjacent or in intimate contact with one, or both sides, of a layer of hydrophobic media. Such filter is placed in communication with the upstream and/or downstream side of a mechanical electronic or electrostatic filter to solve problems present in the prior art. Additionally, a medical ventilator filter and system using such a filter is disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully