发明名称 elemento filtrante, filtro e processo de manufatura de um elemento filtrante para um artigo de fumo, artigo de fumo e filamento
摘要 The invention provides a filter element for a smoking article. The filter element comprises a plug of filter material, and a thread comprising at least one tobacco particle adhered thereto, wherein the thread extends substantially longitudinally through the plug of filter material. The filter element can be used in a variety of smoking articles.
申请公布号 BRPI0917181(A2) 申请公布日期 2015.11.10
申请号 BR2009PI17181 申请日期 2009.09.10
申请人 BRITISH AMERICAN TOBACCO (INVESTIMENTS) LIMITED 发明人 MARTIN DUKE;PAULO OLIVEIRA
分类号 A24D3/02;A24D3/04 主分类号 A24D3/02
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