发明名称 |
FILTER FOR A SMOKING ARTICLE |
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.
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申请公布号 |
CA2735488(A1) |
申请公布日期 |
2010.03.25 |
申请号 |
CA20092735488 |
申请日期 |
2009.09.10 |
申请人 |
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
发明人 |
DUKE, MARTIN;OLIVEIRA, PAULO |
分类号 |
A24D3/02;A24D3/04 |
主分类号 |
A24D3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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