MENTHOL-SORBED ACTIVATED CHARCOAL, CIGARETTE FILTER, AND FILTER-TIPPED CIGARETTE
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United States of America Patent
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app pub date -
Apr 18, 2013
filing date -
Oct 20, 2010
priority date (Note) -
Abandoned
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Abstract
Menthol-sorbed activated charcoal stably holding menthol during storage, and smoothly releasing menthol only during passage of tobacco smoke therethrough is provided. The menthol-sorbed activated charcoal is featured in that to activated charcoal having a specific surface area of 1500 m2/g or more but 1700 m2/g or less as measured by the BET method, menthol is sorbed at a sorption rate of 80% or more but 92% or less with reference to the saturated amount of menthol for the activated charcoal.
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