Smoking article exhibiting reduced sidestream smoke, and wrapper

Details Smoking article exhibiting reduced sidestream smoke, and wrapper Smoking article exhibiting reduced sidestream smoke, and wrapper

1989-06-05

1991-03-12

Millin, V.

Tobacco

Tobacco or tobacco substitute product or component part thereof

Cigar or cigarette

A24D 102

Patent

active

049985434

ABSTRACT:
The sidestream smoke associated with a cigarette or cigarette-like smoking article is reduced by wrapping the tobacco in a double layer of paper. Each layer includes calcium carbonate (i.e., about 30-40% by weight in the outer paper and about 2-15% by weight in the inner paper, the calcium carbonate in the outer paper having a surface area of about 20-80 square meters per gram by the BET method) and a burn control chemical. The outer layer also preferably includes monoammonium phosphate and sodium carboxy methyl cellulose. The calcium carbonate employed has a relatively high surface area per unit weight. The porosity of the outer layer is about 50-100 cubic centimeters per minute by the Coresta method, and may be adjusted by electrostatic perforation.

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