Patent ID: 7832412

Claim:
A smoking article comprising a surface-modified adsorbent comprising a reagent incorporated in a porous carrier, wherein the reagent comprises an analogue of 2-hydroxymethylpiperidine selected from the group consisting of 2-(2-piperidine)ethanol (2-PE), N-piperidineethanol (N-PE), 2-(4-piperidine)ethanol (4-PE), 3-hydroxypiperidine hydrochloride (3-HPH), 4-hydroxypiperidine (4-HP), 3-N-piperidinyl-1,2-propanediol (3-PDP), 2-amino-1-phenylethanol (2-APE), 2-(N-anilino)ethanol (2-AE), and S-(−)2-phenylglycinol (2-PG), in an amount effective to reduce constituents of mainstream tobacco smoke and ranging from 1 to 80% by weight of the adsorbent.