Patent ID: 6502582
Filing Date: 2003-01-07
Classification: A24D

Abstract:
A filter cigarette comprising:a) a tobacco strand enclosed by a cigarette paper having a diameter of 5-7 mm, b) said cigarette having a smoke yield of 1 mg or less condensate, c) a tobacco-side filter element having a relative retention of >90%, d) a mouth side filter element abutting said tobacco-side filter element and having a casing and a relative retention of <10%, e) circumferentially spaced perforations through a casing of the mouth-side filter element defining a ventilation zone in the mouth-side filter element, said perforations and ventilation zone being spaced from opposite ends of the mouth-side filter element and located a distance at least 1 mm from an abutting end of said tobacco-side filter element, f) said tobacco strand having a nicotine/condensate Â·10 strand depletion ratio >1.0, g) said tobacco-side filter element and said mouth-side filter element having a combined overall length between 25-30 mm and a diameter between 5-7 mm, and h) the length of the mouth-side filter element lying between 13-18 mm.