<p>A tobacco smoke filter or filter element including a coherent web comprising a first filter material and a second filter material and, optionally, one or more further filter materials; wherein the first filter material comprises a cellulose acetate tow having a total denier of 44,000 or less and a filament denier of from 2.1 to 8.3 (for example 2.1 to 6.3 or 6.5 to 8.3); and the second filter material comprises a paper.</p>
申请公布号
WO2011148126(A1)
申请公布日期
2011.12.01
申请号
WO2011GB00783
申请日期
2011.05.23
申请人
FILTRONA INTERNATIONAL LIMITED;PENROSE, GRAHAM;TAYLOR, MICHAEL, JOHN