发明名称 Tobacco smoke filter elements
摘要 This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.</PTEXT>
申请公布号 US6631722(B2) 申请公布日期 2003.10.14
申请号 US19940315138 申请日期 1994.09.22
申请人 BRITISH-AMERICAN TOBACCO COMPANY LIMITED 发明人 MACADAM KEVIN GERARD;O'REILLY ROSEMARY ELIZABETH;WARREN NIGEL DAVID
分类号 A24D1/12;A24D3/04;A24D3/06;A24D3/14;A24D3/16;(IPC1-7):A24B15/00 主分类号 A24D1/12
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