Patent ID: 8393333

Claim:
A cigarette comprising: a filter containing a first sorbent material; a tobacco-containing portion attached to the filter; and immobilized diluents in the tobacco-containing portion, wherein the immobilized diluents comprise a second sorbent material comprising silica gel with a pore volume of at least about 0.1 cc/g and diluent in the sorbent, wherein the diluent comprises aerosol forming agents, and wherein the diluents are absorbed and/or adsorbed in the second sorbent material and the immobilized diluents are formed by contacting the second sorbent material with the diluent and pressurizing or heating the second sorbent material and diluent until the second sorbent material is sufficiently impregnated with the diluent such that the diluent is loaded in an amount ranging from about 60 wt % to about 120 wt %.