Method for producing a tobacco smoke filter plug
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 25, 1983
Issued Date -
N/A
app pub date -
Sep 28, 1981
filing date -
Apr 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for producing a tobacco smoke filter having a double structure composed of one inner core phase in a special fibrous arrangement and an outer skin layer in a different fibrous arrangement surrounding the core phase. The tobacco smoke filters made according to the present invention possess high collapse strength and physical and chemical characteristics in which the tastable components are filtered with low efficiency, while the tar and other particulate harmful matter are filtered with high efficiency.
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