Smoking article

A - Human Necessities – 24 – D

Patent

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A24D 1/02 (2006.01)

Patent

CA 2609140

A smoking article (1) in which a patch of web material (7) such as paper containing an adsorbent material therein, such as activated carbon, is positioned towards the mouth end of the smoking article (1) to achieve a flatter puff profile compared to a conventional cigarette by decreasing the smoke constituents in the final few puffs. Characteristics of the smoking articles may be changed to increase the delivery of smoke constituents in the first few puffs in order to maintain a constant ISO NFDPM yield. The adsorbent- containing paper extends over only a portion of the smoking article towards the mouth end and does not comprise a flavourant therein.

L'invention concerne un article à fumer (1) dans lequel une bande d'un matériau (7) tel que du papier dans lequel est incorporé un matériau adsorbant, tel que du charbon actif, est positionnée vers l'extrémité proximale de l'article à fumer (1) de manière à obtenir un profil de bouffée amélioré par rapport aux cigarettes conventionnelles en diminuant la quantité de constituants de fumée dans les dernières bouffées. Les caractéristiques de ces articles à fumer peuvent être modifiées pour augmenter la délivrance de constituants de fumée dans les premières bouffées, de manière à maintenir un rendement ISO NFDPM constant. Le papier contenant un adsorbant s'étend seulement sur une portion de l'article à fumer en direction de l'extrémité proximale, et ne contient pas d'arômes.

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