Filter cigarette with inlet vent zones

Details Filter cigarette with inlet vent zones Filter cigarette with inlet vent zones

A - Human Necessities

24

D

131/12

A24D 1/00 (2006.01) A24D 3/04 (2006.01)

Patent

CA 1150582

Abstract This invention relates to a filter cigarette having inlet vents in the filter mouthpiece divided into two groups. The distance between the two groups of inlet vents is selected to give an increased resistance to draw without appreciably decreasing dilution or total particulate matter.

373800

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