Smoking article and filter therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 19, 1997
Grant Date -
N/A
app pub date -
Dec 13, 1994
filing date -
Dec 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter for a smoking article incorporating particles coated with platinum selectively reduces the amount of volatiles of mainstream smoking article smoke passing through the filter. The platinum may be a continuous or discontinuous coating, usually on a coating of another metal, and this coating(s) will usually encapsulate the particle substrate. This substrate may be low activity activated carbon.
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Family
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Cited Art Landscape
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