Patent ID: 8151806
Filing Date: 2012-04-10
Classification: A24D

Abstract:
1. A smoking article comprising: a column comprising a smokeable tobacco; and a paper wrapper surrounding the column of the smokeable tobacco, the paper wrapper including a single continuous coating of an alginate composition, the continuous coating covering at least 90% of the surface area of the paper wrapper, the alginate composition being present in an amount sufficient to reduce at least one Hoffmann analyte in a mainstream smoke generated by the smoking article when ignited, the alginate composition reducing the permeability of the paper wrapper by no more than 30% in certain areas and wherein the permeability of the paper wrapper prior to applying the alginate composition is greater than about 60 Coresta units and wherein the permeability of the paper wrapper where the continuous coating of the alginate composition is located is greater than 40 Coresta.