| 发明名称 |
NOVEL FILTER SEGMENT INCLUDING A SUBSTRATE LOADED WITH A SMOKE-MODIFYING AGENT |
| 摘要 |
A filter segment for use in a filter of a smoking article includes a substrate loaded with at least one smoke-modifying agent. The substrate is located within the body of the filter segment and is formed from filter plug wrap having an air permeability ranging from about 6,000 Coresta units to about 24,000 Coresta units.
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| 申请公布号 |
US2011120481(A1) |
申请公布日期 |
2011.05.26 |
| 申请号 |
US20100952682 |
申请日期 |
2010.11.23 |
| 申请人 |
PHILIP MORRIS USA INC. |
发明人 |
BESSO CLEMENT;KUERSTEINER CHARLES |
| 分类号 |
A24B15/30;A24D1/04;A24F7/04;D02G3/02;D02G3/22 |
主分类号 |
A24B15/30 |
| 代理机构 |
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代理人 |
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