发明名称 Filter for a smoking article
摘要 A filter for a smoking article such as a cigarette is provided comprising a body of smoke filtering material (1) and having a thread (5) incorporated therein. The thread is composed of material derived from a plant containing a naturally occurring tobacco flavorant.
申请公布号 US2012024302(A1) 申请公布日期 2012.02.02
申请号 US200913127525 申请日期 2009.10.14
申请人 RICHARDSON JOHN 发明人 RICHARDSON JOHN
分类号 A24B15/30;B31C99/00 主分类号 A24B15/30
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