Patent ID: 7987857
Filing Date: 2011-08-02
Classification: A24D

Abstract:
1. A multi-component filter for a smoking article comprising: a mouth end segment comprising a filtration material; a first flavour release segment comprising plant leaf upstream of the mouth end segment; a second flavour release segment comprising filtration material and a flavourant upstream of the first flavour release segment, wherein the resistance to draw of the second flavour release segment is greater than the resistance to draw of the first flavour release segment and the resistance to draw of the second flavour release segment is greater than the resistance to draw of the mouth end segment; and a rod segment upstream of the second flavour release segment comprising filtration material and at least one sorbent material capable of removing gas phase constituents from mainstream smoke drawn through the filter wherein the resistance to draw of the second flavour release segment is greater than the resistance to draw of the rod end segment.