发明名称 |
Filter tip cigarette |
摘要 |
A filter tip cigarette comprising a rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper, and a ventilated filter tip of low efficiency / high pressure drop which provides a mainstream CO / "tar" ratio of 1:0 or less in conjunction with the filter ventilation.
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申请公布号 |
US5327916(A) |
申请公布日期 |
1994.07.12 |
申请号 |
US19920945942 |
申请日期 |
1992.09.17 |
申请人 |
ROTHMANS INTERNATIONAL SERVICES LIMITED |
发明人 |
JONES, DAVID H.;KIJOWSKI, JERZY |
分类号 |
A24B15/28;A24D1/02;A24D1/04;A24D3/04;A24D3/08;A24D3/10;A24D3/14;(IPC1-7):A24D1/04;A24D3/00 |
主分类号 |
A24B15/28 |
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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