Cigarette filter

Details Cigarette filter Cigarette filter

A - Human Necessities

24

D

131/17

A24D 3/04 (2006.01)

Patent

CA 1125618

TITLE CIGARETTE FILTER INVENTOR Robert Reiner JOHNSON ABSTRACT A filter for a cigarette includes a porous filter rod circumscribed by a non-porous wrapper wherein the filter rod with the non-porous wrapper thereareound is provided with grooves extending from one end thereof a preselected distance longitudinally therealong. Tipping material circumscribes the non-porous wrapper and is provided with flow-through openings therein in flow communication with the grooves. The grooves may be oriented to extend to the mouth end of the filter when connected to a cigarette, to the tobacco end of the filter when connected to the cigarette, or non-connecting grooves which extend from each end of the filter element a preselected distance therealong.

349742

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