Filter material for reducing harmful substances in tobacco smoke
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United States of America Patent
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-
Jul 15, 2003
Issued Date -
N/A
app pub date -
Mar 28, 2001
filing date -
Feb 17, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter material for reducing the content of harmful substances in tobacco smoke. The filter material comprises a ground and not additionally activated expanded clay produced without adding foreign substances, and zeolite as the filter material. The filter is suitable for tobacco products such as cigarettes, cigars and cigarillos, and for smoking articles such as tobacco pipes and cigarette and cigar holders.
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