Filter medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 3, 2012
Grant Date -
Oct 20, 2011
app pub date -
Jun 28, 2011
filing date -
Jun 11, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-woven stiffening layer comprising fibers of synthetic polymers and the fibers being both partially oriented and oriented fibers.
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