发明名称 SMOKE FILTRATION
摘要 The invention relates to a smoking article comprising a carbonaceous dried gel (3), (such as a xerogel, aerogel or cryogel), a filter (2) for a smoking article comprising a carbonaceous dried gel and the use of a carbonaceous dried gel for the filtration of smoke.
申请公布号 CA2770546(A1) 申请公布日期 2011.03.17
申请号 CA20102770546 申请日期 2010.09.09
申请人 BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED 发明人 BRANTON, PETER;SCHUTH, FERDI;SCHWICKARDI, MANFRED
分类号 A24D3/16 主分类号 A24D3/16
代理机构 代理人
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