发明名称 Smoking articles with restrictor and aerosol former
摘要 Provided is a smoking article including a smokeable filler with a high aerosol former content and a filter. Preferably, the smokeable filler includes about 4 wt % glycerin to about 35 wt % glycerin. The filter includes a cylindrical tube attached to the tobacco rod with tipping paper, a first filter segment at a location along said cylindrical tube adjacent and in a downstream relation to said tobacco rod, and a flow restricting filter segment at a location adjacent and in a downstream relation to the first filter segment. In an embodiment, the filter also includes a cavity adjacent and in a downstream relation to the flow restricting filter segment, and a ventilation zone at a location along the cavity including perforations that extend through the tipping paper and the cylindrical tube. Preferably, the ventilation zone is in a downstream relation to the flow restricting filter segment.
申请公布号 US8353302(B2) 申请公布日期 2013.01.15
申请号 US20080073649 申请日期 2008.03.07
申请人 PHILIP MORRIS USA INC.;OLEGARIO RAQUEL;LI SAN 发明人 OLEGARIO RAQUEL;LI SAN
分类号 A24D3/04 主分类号 A24D3/04
代理机构 代理人
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