Cigarette filter comprising a carbonaceous fiber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 19, 2013
Grant Date -
Nov 26, 2009
app pub date -
May 21, 2008
filing date -
May 21, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention provides a cigarette filter including at least one filter segment having one or more composite fiber structures imbedded therein, the composite fiber structure including a carrier fiber and an adsorbent fiber, the adsorbent fiber including an adsorbent material. The filter can include one or more segments of fibrous tow material, with the one or more composite fiber structures imbedded within the fibrous tow, the composite fiber structure including a carrier fiber and a carbonaceous fiber.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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