Filter material for reducing harmful substances in tobacco smoke
OwnerDieter Meyer, Hans-Peter Brauninventors
Life of this patent
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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.
Claims12
A filter for reducing harmful substances in tobacco smoke, for tobacco products and smoking aids, wherein the filter material comprises ground and not additionally activated expanded clay produced without adding foreign substances, as well as zeolite.
Dependencies are inferred from the claim text.