Tobacco smoke filter elements
AssigneeBritish American Tobacco (Investments) Limited
InventorsKevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren
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Abstract
This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.
Claims17
A method of deodorising a smoking article filter element, after smoking of a smoking article incorporating said filter element has occurred, said method comprising providing a smoking article filter element comprised of filtration material and a capsule containing a deodoriser for reducing the smoke odour of the smoked filter element in a smoking article, the capsule being resistant to the manual handling encountered during removal of said article from a packet and ignition of said article, and said capsule being broken to expose said deodoriser within said filter element upon extinguishing of the smoked said article.
Dependencies are inferred from the claim text.