发明名称 TOBACCO SMOKE FILTER
摘要 <p>A tobacco smoke filter or filter element comprising an outer wrapper engaged around a single longitudinal extending core of tobacco smoke filtering material, wherein a first end of the outer wrapper is substantially flush with a first end of the core around which it is engaged, and a second end of the outer wrapper extends beyond a second end of the core around which is engaged, to define a cavity at the second end of the filter; the filter or filter element further comprising an additive distanced from the second end of the outer wrapper and/or core.</p>
申请公布号 EP2549896(A1) 申请公布日期 2013.01.30
申请号 EP20110712652 申请日期 2011.03.24
申请人 FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD 发明人 CLARKE, PAUL, FRANCIS;AIMSON, JONATHAN, P.
分类号 A24D3/04;A24D3/02 主分类号 A24D3/04
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