Smoking articles having reduced carbon monoxide delivery
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United States of America Patent
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May 21, 2013
Grant Date -
Jan 19, 2012
app pub date -
Sep 26, 2011
filing date -
Jul 11, 2003
priority date (Note) -
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Abstract
The present invention is directed to smoking articles having reduced carbon monoxide delivery are described. A carbon monoxide reducing agent is incorporated into the smoking article in order to reduce carbon monoxide levels in mainstream smoke. The carbon monoxide reducing agent may be, for instance, in metal oxide or in metal carbonate. The carbon monoxide reducing agent may be incorporated into a wrapper and/or into a column of smokable filler that are used to construct the smoking article.
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