Cigarette smoke filter system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 17, 1997
Issued Date -
N/A
app pub date -
Feb 26, 1996
filing date -
Apr 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cigarette smoke filter is provided for use in a smoker's accessory for filtering cigarette smoke, the filter comprises: a tubular filter normally of micro-fibres for removing particulate material from cigarette smoke and optionally an outer filter layer of activated carbon material or the like for adsorbing gaseous components from the cigarette smoke. The efficiencies of the tubular filters is such to remove substantially all of the particulate and gaseous components from the cigarette smoke so that the filtered smoke stream can be discharged into the surroundings free of any cigarette smoke smell.
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Family
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