Filtered cigarette
AssigneeR.J. Reynolds Tobacco Company
InventorBarry Smith Fagg
Life of this patent
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Abstract
A filtered cigarette possesses a smokable rod and a filter element. The filter element possesses a segment incorporating filter material (e.g., cellulose acetate tow) having carbonaceous material (e.g., activated charcoal particles) or other adsorbent dispersed throughout the filter material, and encapsulated flavoring agent (e.g., flavor-containing microcapsules) dispersed throughout the filter material.
Claims28
A filtered cigarette comprising a smokable rod and a filter element attached thereto, the filter element comprising a first segment of fibrous tow filter material positioned at the mouth end of the cigarette and a second segment of fibrous tow filter material positioned between the first segment of filter material and the smokable rod, wherein an adsorbent and an encapsulated flavoring agent are dispersed throughout said second segment of filter material, and wherein the first segment of filter material is substantially free of adsorbent and encapsulated flavoring agent.
A filter element adapted for use with smoking articles, the filter element comprising a first segment of fibrous tow filter material and a second segment of fibrous tow filter material, wherein the first segment of fibrous tow filter material comprises a granular adsorbent material and a plurality of breakable capsules dispersed therein, the breakable capsules comprising a flavoring agent, and wherein the second segment is substantially free of granular adsorbent and breakable capsules.
A cigarette comprising:
- (a) a tobacco rod having a smokable filler material contained within a circumscribing wrapping material;
- (b) a filter element connected to the tobacco rod at one end of the tobacco rod, said filter element comprising a mouth end segment of fibrous tow filter material and a tobacco end segment of fibrous tow filter material;
- (c) a granular carbonaceous material dispersed within the tobacco end segment of filter material;
- and
- (d) a plurality of breakable capsules dispersed within the tobacco end segment of filter material, the capsules comprising an outer shell and a liquid or gel payload, the payload comprising a flavoring agent, wherein the mouth end segment of fibrous tow filter material is substantially free of carbonaceous material and breakable capsules.
Dependencies are inferred from the claim text.