Filter tip cagarette
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 12, 1994
Grant Date -
N/A
app pub date -
Sep 17, 1992
filing date -
Oct 23, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter tip cigarette comprising a rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper, and a ventilated filter tip of low efficiency / high pressure drop which provides a mainstream CO / 'tar' ratio of 1:0 or less in conjunction with the filter ventilation.
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