Cigarette filter containing a humectant

Tobacco – Smoke separator or treater

Patent

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Details

131332, 131345, A24D 306

Patent

active

058604286

ABSTRACT:
A cigarette filter comprises a humectant, preferably sodium pyroglutamate, and optionally a surfactant. The humectant absorbs moisture from the tobacco smoke for wet-filtration of the tobacco smoke.

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