Rod of smoking material and cigarettes made therefrom
AssigneeRothmans International Services Limited
InventorsDavid H. Jones, Jerzy Kijowski
Life of this patent
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Abstract
A rod of smoking material having an inner wrapper of sidestream reducing paper containing carbon as part of its total filler content and an outer overwrapping cigarette paper.
Claims11
A rod of smoking material having an inner wrapper of sidestream reducing paper and an outer overwrapping cigarette paper, said sidestream reducing paper having a basis weight in the range of 35 g/m.sup.2 to 50 g/m.sup.2, a porosity of between 5 and 20 coresta units, and has a filter content which includes 8% to 15% carbon, 6% to 11% magnesium hydroxide (Mg(OH).sub.2) and 15% to 20% calcium carbonate (CaCO.sub.3).
A rod of smoking material having an inner wrapper of sidestream reducing paper and an outer overwrapping cigarette paper, said outer overwrapping cigarette paper being low sidestream cigarette paper, said sidestream reducing paper of said inner wrapper having a basis weight in the range of 35 g/m.sup.2 to 50 g/m.sup.2, a porosity of between 5 and 20 coresta units, and has a filter content which includes 8% to 15% carbon, 6% to 11% magnesium hydroxide (Mg(OH).sub.2) and 15% to 20% calcium carbonate (CaCO.sub.3).
Dependencies are inferred from the claim text.