| 发明名称 |
Filter for cigarette smoke |
| 摘要 |
A cigarette filter composed of a bundle of cellulose acetate filaments having at least two different filament denier sizes randomly distributed in the direction perpendicular to the longitudinal axis of said filter.
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| 申请公布号 |
US4292984(A) |
申请公布日期 |
1981.10.06 |
| 申请号 |
US19790032428 |
申请日期 |
1979.04.23 |
| 申请人 |
DAICEL LTD. |
发明人 |
SAWADA, HIDEO;SHINOHARA, KOJI;SHIGA, MAKOTO |
| 分类号 |
A24D3/06;A24D3/04;A24D3/10;(IPC1-7):A24D3/02 |
主分类号 |
A24D3/06 |
| 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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