Cigarettes

Details Cigarettes Cigarettes

A - Human Necessities

24

D

131/22

A24D 1/02 (2006.01)

Patent

CA 1037814

A B S T R A C T The invention is concerned with a wrapped cigarette and a method of producing the wrapper. A very highly porous wrapping paper, with an air porosity within the range from 2,450 to 20,000cm3min-110cm-210cmWG-1 is produced by perforation from a base paper having a tensile breaking strength of not less than 85 g per mm width of paper. The mean number of perforations is suitably within the range from 10 to 150 per cm2 of the paper and the mean diameter within the range from 30 to 200 microns. A cigarette wrapped in the highly porous paper may advantageously be provided with a tobacco-smoke filter having a filtration efficiency for nicotine within the range of 15 to 30%.

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