Low ignition propensity cigarette paper
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United States of America Patent
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-
Nov 6, 2012
Grant Date -
May 13, 2010
app pub date -
Jan 14, 2010
filing date -
Aug 10, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cigarette paper of the present invention includes a base cigarette paper and a plurality of combustion-suppressing regions provided, spaced apart from each other, on one surface of the base cigarette paper, the combustion-suppressing regions being formed by applying a polyvinyl alcohol having a degree of polymerization of 900 or more, or a polyvinyl alcohol whose 3% by weight aqueous solution exhibits a viscosity of 5 to 30 mPa·s as measured at 20° C.
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