发明名称 |
SMOKING FILTER AND SMOKING ARTICLE |
摘要 |
A smoking filter contains a hydrotalcite compound exhibiting a lamellar structure in which a large number of octahedral layers of a metal hydroxide are laminated one upon the other. The smoking filter permits selectively removing formaldehyde contained in mainstream smoke. |
申请公布号 |
KR100912311(B1) |
申请公布日期 |
2009.08.14 |
申请号 |
KR20047010408 |
申请日期 |
2003.01.07 |
申请人 |
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发明人 |
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分类号 |
A24D3/04;A24D3/10;A24D3/12;A24D3/16;(IPC1-7):A24D3/04 |
主分类号 |
A24D3/04 |
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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