Tobacco and tobacco substitute material including metal chelate compounds

Claim 2

IN A SMOKABLE PRODUCT COMPRISING A CELLULOSE-BASED COMBUSTIBLE MATERIAL, THE IMPROVEMENT WHICH COMPRISES INCORPORATING THEREIN AT LEAST ONE CHELATE COMPOUND OF THE STOICHIOMETRIC FORMULA.

Claim 3

A smokabLe product according to claim 1, wherein K is magnesium.

Claim 4

A smokable product according to claim 1, wherein the organic carboxylic acid has from 2 to 8 carbon atoms and is substituted with at least one hydroxy or keto group or has at least two carboxylic acid groups.

Claim 5

A smokable product according to claim 3, wherein the organic carboxylic acid is a material selected from the group consisting of oxalic, glyceric, glycolic, malic, tartaric, citric, galactaric and saccharic acids.

Claim 6

A smokable product according to claim 1, wherein x is 1 or 2 and y is from 1 to 4.

Claim 7

A smokable product according to claim 1, wherein the chelate compound is incorporated in an amount ranging from about 5 to 50% by weight of the combustible material.

Claim 8

A smokable product according to claim 1, wherein the chelate compound is a material selected from the group consisting of magnesium-iron (III) glycolate, magnesium-iron (III)-oxalate, magnesium-iron (III) citrate, magnesium-iron (III) tartrate, magnesium-iron (III) galactarate, magnesium-iron (III) saccharate, magnesium-aluminum glycolate, magnesium-aluminum oxalate, magnesium-aluminum citrate, magnesium-aluminum tartrate, magnesium-aluminum galactarate, magnesium-aluminum-saccharate, manganese-iron (III) glycolate, manganese-iron (III) oxalate, manganese-iron (III) citrate, manganese-iron (III) tartrate, manganese-iron (III) galactarate, manganese-iron (III) saccharate, manganese-aluminum glycolate, manganese-aluminum oxalate, manganese-aluminum citrate, manganese-aluminum tartrate, manganese-aluminum galactarate and manganese-aluminum saccharate.

Claim 9

A smokable product according to claim 1, containing about 1 to 70% by weight of at least one filler selected from the group consisting of minerals and salts which are inert under conditions of smoking, and hydroxides and hydrated oxides which split off water under conditions of smoking.

Claim 10

A smokable product according to claim 8, wherein the filler is at least one material selected from the group consisting of hydrated oxides of aluminum and silicic acid.

Claim 11

A smokable product according to claim 1, containing at least one compound which splits off ammonia under conditions of smoking and which is present in an amount such that the smoke has a pH of about 5 to 8.

Claim 12

A smokable product according to claim 10, wherein the compound which splits off ammonia is at least one material selected from the group consisting of ammonium salts of inorganic acids, ammonium salts of organic acids, salts of amino acids and acid amides.

Claim 13

A smokable product according to claim 10, wherein the compound which splits off ammonia is at least one material selected from the group consisting of acid or neutral ammonium carbonate, nitrate or phosphate, ammonium citrate, ammonium tartrate, ammonium or magnesium glutamate, urea, ammonium-iron (III) glycolate, ammonium-iron (III) oxalate, ammonium-iron (III) citrate, ammonium-iron (III) tartrate, ammonium-iron-(III) galactarate, ammonium-iron (III) saccharate, ammonium-aluminum glycolate, ammonium-aluminum oxalate, ammonium-aluminum citrate, ammonium-aluminum tartrate, ammonium-aluminum galactarate and ammonium-aluminum saccharate.

Claim 14

A smokable product according to claim 1, containing about 0.01 to 7% by weight of at least one oxidizing agent selected from the group consisting of alkali metal or alkaline earth metal nitrates and alkali metal permanganates.

Claim 15

A smokable product according to claim 1, containing about 0.01 to 10% by weight of the ammonium salt of at least one polymeric acid selected from the group consisting of pectin, alginic acid, gum arabic or carboxymethylcellulose.

Claim 16

A smokable product according to claim 1, containing about 0.01 to 5% by weight of at least one low sulfur-content protein selected from the group consisting of zein, hordein and gliadin.

Claim 17

A smokabLe product according to claim 1, containing about 0.1 to 50% by weight of a tobacco extract.

Claim 18

A smokable product according to claim 7, wherein x is 1 or 2 and y is from 1 to 4 and the chelate compound is incorporated in an amount ranging from about 5 to 50% by weight of the product; said product optionally containing about 1 to 70% by weight of at least one material selected from the group consisting of hydrated oxides of aluminum and silicic acid; at least one compound which splits off ammonia under conditions of smoking and which is present in an amount such that the smoke has a pH of about 5 to 8, said compound being selected from the group consisting of acid or neutral ammonium carbonate, nitrate and phosphate, ammonium citrate, ammonium tartrate, ammonium or magnesium glutamate, urea, ammonium-iron (III) glycolate, ammonium-iron (III) oxalate, ammonium-iron (III) citrate, ammonium-iron (III) tartrate, ammonium-iron-(III) galactarate, ammonium-iron (III) saccharate, ammonium-aluminum glycolate, ammonium-aluminum oxalate, ammonium-aluminum citrate, ammonium-aluminum tartrate, ammonium-aluminum galactarate and ammonium-aluminum saccharate; about 1 to 5% by weight of at least one oxidizing agent selected from the group consisting of alkali metal or alkaline earth metal nitrates and alkali metal permanganates; about 0.01 to 10% by weight of the ammonium salt of at least one polymeric acid selected from the group consisting of pectin, alginic acid, gum arabic or carboxymethylcellulose; about 0.01 to 5% by weight of at least one low sulfur-content protein selected from the group consisting of zein, hordein and gliadin; and about 0.1 to 50% by weight of a tobacco extract; said cellulose-based combustible material being in the form of a paper-like web of about 10 to 120 Mu in thickness and weighing about 10 to 250 grams per square meter.

Claim 19

A smokable product according to claim 17, blended with tobacco.

Claim 20

A smokable product according to claim 1, in the form of a cigarette or cigar.

Claim 21

The process for making a smoking product according to claim 17 which comprises applying to a paper-like web of said cellulose-based combustible material of about 10 to 120 Mu in thickness an aqueous solution containing said chelate compound, said filler, said compound which splits off ammonia, said oxidizing agent, said ammonium salt of polymeric acid, said protein and said tobacco extract, and drying, application being effected by spraying or painting said solution onto said web or by immersing said web in said solution, the impregnated web on a solvent-free basis weighing about 10 to 250 grams per square meter.

Claim 22

The process for making a smoking product according to claim 17, which comprises forming a solution containing said cellulose-based combustible material, said chelate compound, said filler, said compound which splits off ammonia, said oxidizing agent, said ammonium salt of polymeric acid, said protein and said tobacco extract, casting said solution to form a sheet having a solvent-free weight of about 10 to 250 grams per square meter, and drying said sheet to remove the solvent and leave the sheet with a thickness of about 10 to 120 Mu .

Claim 23

A smokable product according to claim 1, wherein the combustible material is selected from the group consisting of tobacco, tobacco waste products, hay, straw, lupins, fern, cellulose, wood pulp, carboxymethyl cellulose, hydroxyethyl cellulose and methyl cellulose.