Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1997-12-19
2000-09-19
Fiorilla, Christopher A.
Tobacco
Tobacco users' appliance
Device used for smoking
131200, 131201, 131203, 131334, 131340, 131341, 131331, 131342, A24D 104, A24F 704, A24F 1306
Patent
active
061196991
ABSTRACT:
A smoking article capable of delivering a regulated smoke composition to a smoker, includes: a) a combustible filler wrapped in a combustible sheath; and b) at least one affinity chromatographic filter unit designed to preferentially remove specific targeted components from the smoke disposed within the sheath adjacent the combustible filler. The filter unit includes a mass of silica or resin particles having chemically bonded to their surfaces functional groups which exhibit preferential affinity for the targeted components and which reversibly bind the targeted components to elute components having a lower affinity than a previously bound component.
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