发明名称 |
Fibrous material for tobacco smoke filter |
摘要 |
This invention relates to a material for tobacco smoke filters. This material comprises cellulose fibers containing amino groups and is obtainable by reacting certain amino compounds with certain reactive cellulose derivatives. Preferably, the filter material of the present invention contains from 70 mu moles to 2 mmoles of amino groups per gram of filter material.
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申请公布号 |
US4372328(A) |
申请公布日期 |
1983.02.08 |
申请号 |
US19810265640 |
申请日期 |
1981.05.20 |
申请人 |
B.A.T. CIGARETTEN-FABRIKEN GMBH |
发明人 |
KAUSCH, ERWIN;TOEDTER, FOLKHARD |
分类号 |
B01D53/46;A24D3/10;A24D3/14;B01D39/18;C08B13/00;C08B15/06;(IPC1-7):A24D3/10 |
主分类号 |
B01D53/46 |
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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