Patent ID: 8402977
Filing Date: 2013-03-26
Classification: A24D

Abstract:
1. A tobacco smoke filter containing activated carbon having micropores of under 2 nm pore diameter and first mesopores having a pore diameter of 2 to 50 nm and second mesopores having a pore diameter of 7 to 50 nm pore diameter, and a flavourant, the micropores having a micropore volume at most 0.3 cm 3 /g (N 2 ), the first mesopores having a mesopore volume of at least 0.25 cm 3 /g (N 2 ) and the second mesopores having a mesopore volume of at least 0.12 cm 3 /g (Hg); wherein the first mesopores and the second mesopores having different pore diameters and different mesopore volumes.