Cigarette filter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 11, 1995
Grant Date -
N/A
app pub date -
Jun 11, 1993
filing date -
Jun 11, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A cigarette includes a filter element including a carbon-containing paper or a paper containing molecular sieves. The paper circumscribes filter material, such as cellulose acetate tow, within the filter element. The paper is useful as a plug wrap for a filter element.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
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