Method of increasing filling power of tobacco products
AssigneePhilip Morris Incorporated
InventorAndrew T. Lendvay
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Abstract
Through interaction with the pectinaceous materials of tobacco smoking products, increased filling power of tobacco constituents is accomplished, in accordance with the present invention, by means of maintaining the tobacco, usually in shredded form, in an expanded form by applying, in solution thereto, multivalent metal and organic acid salts, especially those salts found in the hydrated form. The multivalent salt additives cause the pectinaceous materials of the tobacco to retain the expanded bulk volume of the tobacco.
Claims34
A method of increasing the filling power of tobacco comprising:
- applying to said tobacco a solution of a multivalent salt and a solvent wherein said solvent causes said tobacco to expand and wherein said salt so applied constitutes from 0.2% to 7.5% by dry weight of said tobacco to be expanded;
- and
- drying said expanded tobacco to remove solvent therefrom, said salt causing pectinaceous substances of said tobacco to retain said tobacco in expanded form.
An improved tobacco filler of expanded shredded tobacco wherein the improvement comprises expanded pectinaceous substances of said tobacco bound by multivalent salts, consisting 0.2% to 7.5% by dry weight of said tobacco filler, selected from the group consisting of aluminum sulfate, magnesium sulfate, diammonium magnesium sulfate, potassium aluminum sulfate, aluminum citrate, calcium acetate, calcium levulinate, calcium sulfamate and calcium gluconate individually and in combinations thereof, to retain said expansion.
An improved, uniformly treated expanded tobacco filler of blended, shredded tobacco constituents wherein the improvement comprises expanded pectinacious materials of said filler constituents bound by at least one salt, consisting of 0.2% to 7.5% by dry weight of said tobacco filler, selected from the group consisting of Al.sub.2 (SO.sub.4).sub.3.18H.sub.2 O, KAl(SO.sub.4).sub.2.12H.sub.2 O, NH.sub.4 Al(SO.sub.4).sub.2.12H.sub.2 O, K.sub.2 TiO(C.sub.2 O.sub.4).sub.2.2H.sub.2 O and Ca(CH.sub.3 COO).sub.2 to retain said expansion.
An improved tobacco filler of expanded shredded tobacco wherein the improvement comprises expanded pectinaceous substances of said tobacco bound by calcium acetate constituting 0.2% to 7.5% by dry weight of said tobacco filler.
Dependencies are inferred from the claim text.