Cigarette and cigarette filter element therefor

Details Cigarette and cigarette filter element therefor Cigarette and cigarette filter element therefor

1990-11-06

1992-04-21

Millin, V.

Tobacco

Smoke separator or treater

By chemical reaction, e.g., ion-exchange, chelating,...

131335, 131341, 131342, 131343, 131344, A24D 312, A24D 314

Patent

active

051058340

ABSTRACT:
A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The non-woven material is in intimate contact with a water soluble tobacco extract and a further material for altering the character of mainstream smoke which passes through the filter element. The tobacco extract can be a spray dried extract which has been subjected to heat treatment. The further material can be an acid (e.g., levulinic acid), a base (e.g., sodium hydroxide) or a salt (e.g., diammonium hydrogen orthophosphate).

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Publication No. FTR-80, Published by Eastman Chemical Company.

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