Smoking articles with significantly reduced gas vapor phase smoking constituents
A smoking article having a tobacco rod, which is adapted to produce mainstream smoke, and a filter attached to said tobacco rod. A permeable wrapping paper circumscribes the tobacco rod and the filter. The filter has an upstream end portion and a downstream end portion, and includes a flow restricti...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
22.09.2015
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Subjects | |
Online Access | Get full text |
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Summary: | A smoking article having a tobacco rod, which is adapted to produce mainstream smoke, and a filter attached to said tobacco rod. A permeable wrapping paper circumscribes the tobacco rod and the filter. The filter has an upstream end portion and a downstream end portion, and includes a flow restricting segment of smoke impermeable material, which includes at least one open flow passage therethrough to deliver mainstream smoke, and a cavity downstream of the flow restricting segment. The smoking article also includes at least one ventilation zone upstream of the flow restricting segment. |
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Bibliography: | Application Number: US201113072244 |