A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 1/04 (2006.01) A24D 3/04 (2006.01)
Patent
CA 2121837
ABSTRACT OF THE DISCLOSURE A cigarette filter having a core of synthetic fibrous material and an outer plug wrap is provided with a group of longitudinal bores and a group of peripheral channels in the core to improve the filtration efficiency and to balance the distribution of smoke flow over the cross-sectional area of the filter.
Filtrona Richmond Inc.
Marks & Clerk
LandOfFree
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