Method and device for control of by-products from cigarette smoke
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United States of America Patent
Stats
-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Feb 4, 1988
filing date -
Feb 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method for controlling delivery of by-products found in cigarette smoke by utilizing a cigarette filter element comprising one or more substrates treated with an effective amount of at least one of (A) zinc chloride, ferrous bromide, calcium bromide, zinc thiocyanate, sarcosine hydrochloride and manganese sulfate; alone or combined with (B) glyceryl triacetate; plus corresponding filter element(s) and cigarette(s) utilizing such filter element(s).
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