Patent ID: 7219672
Filing Date: 2007-05-22
Classification: A24C,A24D

Abstract:
1. A self-extinguishing cigarette comprising tobacco and, as a wrapper, a cigarette paper coated with a fire retardant and an air permeability-reducing coating, said cigarette paper having (i) an external face and (ii) an internal face which is in contact with said tobacco, characterized in that the coated cigarette paper is produced according to a process comprising the steps of: (A) preparing an aqueous cigarette paper coating composition consisting essentially of (I) from 0.15% to 60% by weight of acacia gum; (II) from 0.25 to 50% by weight of a fire-retardant filler which is aluminum hydroxide; and (III) the remainder being water, with the proviso that the concentration of fire-retardant filler in the composition is insufficient to cause a substantial increase in the viscosity of the cigarette paper coating composition; (B) providing an uncoated cigarette paper having an internal face and an external face; (C) depositing the resulting aqueous cigarette paper coating composition onto the internal face of said uncoated cigarette paper in a concentration in the range of from 0.5 g/m