| 摘要 |
THE INVENTION DESCRIBES A FILTER WITH A FIRST FILTER PORTION COMPRISING AN ADSORBENT, FOR EXAMPLE CARBON, AND/OR A CATALYST, CAPABLE OF REDUCING VARIOUS VAPOUR PHASE CONSTITUENTS OF CIGARATTE SMOKE. THE ADSORBENT/CATALYST IS SEPARATED FROM A SECOND FILTER PORTION BY MEANS OF A BARRIER HAVING PORES THEREIN OF PORE SIZE LESS THAN 0.1µm. THE INVENTION ALSO DESCRIBES A SMOKING ARTICLE IN WHICH A ROD OF SMOKING MATERIAL, WITH OR WITHOUT ENCAPSULATED FLAVOUR, IS ATTACHED TO THE ABOVE DESCRIBED FILTER. |
