Patent ID: 9554594
Date: 2017-01-31
CPC Classifications: A24D

Claim:
1. A cigarette comprising a tobacco rod and a filter element connected to the tobacco rod, said filter element having an end proximal to the tobacco rod and an end distal from the tobacco rod, wherein said filter element comprises: a longitudinally extending section of filter material positioned distal from the tobacco rod and containing at least one breakable capsule positioned within a compartment distal from the tobacco rod, the at least one breakable capsule comprising an outer shell and an internal payload, the internal payload comprising a compound capable of changing the nature or character of mainstream smoke drawn through the filter element; and an adsorbent material positioned between the at least one breakable capsule and the tobacco rod such that the breakable capsule is positioned downstream from the adsorbent material, wherein the adsorbent material is positioned between the section of filter material and the tobacco rod; wherein the section of filter material comprises a longitudinally extending central portion of fibrous tow filter material, a longitudinally extending outer portion of fibrous tow filter material positioned annularly around the central portion, and a compartment having a structure defined by the inner central portion, the central portion positioned overlying the compartment and between the compartment and the outer portion when the cigarette is viewed in cross-section.