Patent ID: 7503330
Filing Date: 2009-03-17
Classification: A24D

Abstract:
1. A smokable rod for a cigarette comprising: (a) a lighting end and a mouth end; (b) a longitudinally extending core portion incorporating a smokable material composed predominantly of tobacco and optionally includes a first burn suppressing agent; (c) a longitudinally extending outer portion circumscribing the core portion in an annular manner, the outer portion (i) being physically separate from the core portion, (ii) incorporating tobacco material in a cut filler form in intimate contact with a second burn suppressing agent, and (iii) being composed predominantly of tobacco material and aerosol forming material; (d) an outer wrapping material circumscribing the outer portion; and (e) a wrapping material for the core portion that exhibits and inherent porosity of more than about 100 CORESTA units, wherein the second burn suppressing agent is present in an amount and of a type to provide a degree of burn suppression in the outer portion higher than a degree of burn suppression in the core portion; and wherein the core portion has a first packing density between 100 mg/cm