| 发明名称 |
Tobacco smoke filter contg silica gel and - active carbon |
| 摘要 |
<p>High degree of adsoption of harmful tobacco smoke components is achieved by intimately mixing silica gel (10 mu-3mm) with 0.2-80% (pref. 5-15%) of active carbon. Water may be present in an amount of 8-12%. Oxides of Fe, Zn or Al, or an organic ion exchanger can be optionally added in amounts of 1-25%.</p> |
| 申请公布号 |
CH506958(A) |
申请公布日期 |
1971.05.15 |
| 申请号 |
CH19680002427 |
申请日期 |
1968.02.20 |
| 申请人 |
CESKOSLOVENSKA AKADEMIE VED |
发明人 |
SIMONIDES,JAN;PLIML,JIRI,DR.;NADVORNIK,VIT |
| 分类号 |
A24D3/16;B01D39/00;B01J20/00;B01J20/20;(IPC1-7):A24C5/50 |
主分类号 |
A24D3/16 |
| 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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