US3369551A - Tobacco substitute - Google Patents

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US3369551A
US3369551A US55380566A US3369551A US 3369551 A US3369551 A US 3369551A US 55380566 A US55380566 A US 55380566A US 3369551 A US3369551 A US 3369551A
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leaves
preferably
tobacco
water
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Robert G Carroll
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Profair Corp
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Profair Corp
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes
    • A24B15/10Chemical features of tobacco products or tobacco substitutes
    • A24B15/16Chemical features of tobacco products or tobacco substitutes of tobacco substitutes

Description

F eb. 20,

I SHREDDI DRIED LEAVES NOI- R. G. CARROLL TOBACCO SUBSTITUTE Filed May 31, 1966 WATER &

FRESH LEAVES r WETTING- fi$H g AGENT WATER WATER :ANHYDROUS k LAMA/ION IA J HOT GAS

PRESS PLANT JUICES I WATER WATER EX TRAC T EX TRACTION DRYING MOISTURE & f VOLATILES CON TROLLED I-IUMI DI TY ATMOSPHERE MOISTURIZING SOLVENT-pifiACTION SOLVENT RESIDUAL DRI E D PRODUC T EX T RACTE D PRODUC T i OASTING GROUP A FLAVORING MIX TURE FLAVORINGI STORAGE] FABRICATED PRODUCT I FIOZ FIG.I

INVENT OR ROBERT G. CARROLL BY /gwza ATTORNEYS United States Patent O 3,369,551 TOBACCO SUBSTITUTE Robert G. Carroll, West Palm Beach, Fla., assignor, by direct and mesne assignments, to Profair Corporation Filed May 31, 1966, Ser. No. 553,805 8 Claims. (Cl. 131-2) The present invention relates to a tobacco substitute, which may be used in place of tobacco for chewing and for smoking products, such as for cigarettes, cigars and pipes.

Recent medical and statistical studies have emphasized certain health hazards associated with the use of tobacco, and these hazards appear largely to be attributed to the nicotine and tar products contained in the tobacco and its smoke. As a result, many efforts have been made to find substitutes for smoking and chewing tobacco by utilizing other leafy plants either as a complete substitute for tobacco, or in combination with tobacco. These efforts have not met with significant success. In general, it is observed that the substitute leafy materials either lack the flavor sought by tobacco users, or have objectionable and unfamiliar burning odors, or both; and the addition of a small percentage of tobacco to the substitute material does not overcome all of these drawbacks.

It is the primary purpose of the present invention to provide a non-tobacco material, manufactured from leafy plants such as lettuce (Lactuca satz'va), cabbage, broccoli, collard (Brassica oleracea and Brassica pekinensis), kohlrabi (Brassz'ca cauloropa), spinach (Spinacea aleracea), and papaya leaves (Carica papaya), which may be used as a smoking or chewing tobacco substitute, and which is free from pungent, acrid, or objectionable burning odors, so as to be acceptable as a tobacco substitute for cigarettes, cigars, and pipes, and may be used to provide an acceptable chewing product.

Basically, the foregoing purpose of the invention is accomplished by stripping the leafy material of substantially all of its ingredients except carbohydrates and nitrogen compounds such as proteins, and then adding appropriate flavoring ingredients to impart taste and aroma to the product commensurate with the tobacco product. As a result this product burns with only minimal quantities of nicotine (if any) and tars, and such tars as are produced are almost entirely sugar tars, that are not considered to be carcinogenic. The stripping of the leafy material is effected in what is essentially two phases. The first phase is a water extraction process, wherein the water soluble ingredients of the material are extracted; and the second phase is an organic solvent extraction, wherein such ingredients as the pigments, chlorophyll, carotene, xanthophyll, and related products are extracted. The latter phase may include a saponification step to aid in the extraction of the longer chain fats and waxes. The resultant stripped material is then appropriately flavored to form a tobacco substitute which will burn without acrid and pungent odors, and which is substantially free of nicotine and non-sugar tars. It is of course intended that other usual additives will also be employed, such as the usual burning aids and humectants.

It is accordingly the primary object of the present invention to provide a tobacco substitute material for smoking or chewing purposes. Other objects of the invention are to provide such a material which is composed essentially of carbohydrates and nitrogen compounds, such as proteins; to provide such a material by stripping from non-tobacco plant leaves the water soluble and oil soluble ingredients thereof; and to provide such a stripped product by solvent extraction of the water soluble and oil soluble ingredients. Other objects and advantages of the present invention will be apparent to those skilled in the art from a consideration of the following detailed description of the invention, had in conjunction with the accompanying drawings, FIGS. 1 and 2, which are flow diagrams of the processing steps hereinafter described.

Referring to FIG. 1, it will be seen that fresh leaves to be processed to form the base material for a tobacco substitute, as for example lettuce leaves, are first washed with water, preferably including a wetting agent or detergent, to remove all foreign matter. They are then pressed to rupture the cell membranes and thereby express most of the plant juices and open the leaves to solvent extraction procedures.

The first extraction phase is a water extraction where the leaves are subjected to a circulating flow of warm or hot water to leach out of the leaves the water soluble components, such as salts and other water soluble ingredients.

This expressed and water leached product is then dried in a flow of hot air, to a moisture content less than that desired, and the dried product is then subjected to a controlled humidity atmosphere to attain the desired moisture content. This dried product is now ready for the organic solvent extraction.

If desired, the nitrogen content of the product can be increased by treating the water extracted leaves with anhydrous ammonia prior to the foregoing drying operation.

The organic solvent extraction is illustrated in the flow sheet of FIG. 2. The expressed, water extracted and dried leaves may be shredded at this point, if the product is to be used as a cigarette or pipe tobacco substitute, or they may be retained as whole leaves if the product is to be used for chewing or for cigars, either as a whole leaf filler or as a wrapper. In either case, the leaves are subjected to an organic solvent extraction designed to remove the oily and oil soluble constituents of the leaves. In the preferred form of the invention, this extraction is effected in two stages. The first stage comprises exposing the leaves to a circulating solvent such as hexane and acetone, to remove such materials as chlorophyll, xanthophyll, carotene, and vitamins E and K. This extraction is then followed with an ethyl ether extraction, wherein the ether is saturated with citric acid. This second stage extraction is intended to remove the longer chain fats and waxes present in the leaves. After the leaves have been exposed to a circulating flow of the ether solvent, the leaves are removed from the solvent and freed of residual solvent by heat.

This dried material is then toasted to a golden brown color, and thereafter treated with appropriate additives depending upon the use to which the material is put. These additives may include flavoring and aroma imparting materials, and humectants and burning aids. Preferably these ingredients include glycerine as an humectant, niacin as a flavor and aroma imparting ingredient, a sweetener such as a sugar, and in the case of a smoking product, potassium nitrate as a burning aid. In addition, it is also found highly desirable to include certain chemicals found in the natural tobacco leaves, either singly or in combination, such as citric acid, malic acid, and pectin. Other special purpose additives may also be included for special effects. For example lobeline sulfate may be included to diminish the users craving for tobacco, chlorophyll products may be included to deodorize to some extent the product and the smoke, and menthol may be added to form a menthol flavored cigarette. Other specialized flavor and aroma imparting ingredients may also be employed in order to more nearly resemble a true tobacco product-such as prune extract, pulverized husk of black walnut, pulverized cardamom seed, oil of anise, vanilla extract, walnut extract, and oil of eucalyptus.

Considering the foregoing processing steps in greater detail, fresh leaves, as for example lettuce leaves, are prepared for drying by cutting out the large center stems, and the leaves are then washed with water and any of the common wetting agents, such as sodium lauryl sulfate. The leaves are then put between rollers or other suitable pressing machinery and the juices are pressed out at pressures from 30 to 70 p.s.i.a., preferably about 40 p.s.i.a.

The pressedleaves are then extracted with water at a temperature of 70 to 95 F., preferably about 80 E, for 1 to hours, preferably about 3 hours, using up to about /2 gallon of water for every pound of fresh leaves put into the pressing operation. During the water extraction step, the water is continuously recirculated through the leaves by a pump.

The pressed and water extracted leaves are then removed from, the water extractor and placed on drying trays. Conveniently these trays may be 36 x 36 inches square and 2 inches deep with a screen bottom. Up to one pound of leaf may be placed in each tray, and the trays stacked one on top of another in a drying chamber. A gas such as air at a temperature of from 105 to 145 F preferably about 115 F., is blown into the top of the drying chamber at the rate of 1,000 to 4,000 cubic feet per minute, preferably about 2,000 cubic feet per minute for every 30,000 pounds of leaf in the drying chamber. The heated gas is pulled down through the drying trays by exhaust fans located along the floor of the drying chamber, and is exhausted outside the drying chamber. The exhaust rate of the drying chamber is regulated to maintain a drying chamber pressure of from 14.7 p.s.i.a. to 20 p.s.i.a., preferably about 15.2 p.s.i.a. The leaves are retained in this flow of heated gas for 48 to 86 hours, preferably about 72 hours, during which time the moisture' content of the leaves is reduced to less than 5 percent by weight.

The drying trays containing the dried leaves are then placed in a controlled atmosphere humidifying chamber where the moisture content of the leaves is raised to between 8 and 15 percent by weight, preferably about 10 percent, at a temperature between 65 F. and 80 F., preferably about 70 F. At the completion of the drying and humidifying phase of the process, the leaves should be tough and pliable, and should be easily shredded or baled.

Alternatively, the drying time may be reduced and a ntirogen compound added to the leaves to improve their taste and burning aroma, by means of an ammonia treatment prior to placing the pressed and waterextracted leaves in the drying chamber. This is accomplished by spraying the water extracted leaves with anhydrous ammonia and allowing them to stand for 2 to 6 hours, preferably about 3 hours. From /2 pound to 3 pounds, and preferably about 1 pound of anhydrous ammonia is used for every 10 pounds of fresh leaf put into the pressing operation. After the ammonia treatment the leaves are treated in the drying chamber as above described for to 30 hours, preferably about hours, and then brought to the desired moisture content in a controlled humidity atmosphere.

After completion of the Water extraction and drying operations, if the end product of this process is to be used as a tobacco substitute for cigarettes or a pipe smoking product, the dried leaves are shredded. If it is to be used in the form of cigars or as a chewing product, the dried leaves are not shredded but left as they are. If the leaves are to be shredded, this is done just prior to the organic solvent extraction process hereinafter described.

The present invention contemplates several alternative forms of organic solvent extraction of the dried leaves, asset forth in the following illustrative examples:

EXAMPLE 1 The dried leaves are placed in an extraction tank and a solvent mixture of from 75% to 90% hexane and, to 10% acetone by volume, preferably about 80% hexane and about 20% acetone, is added to the dried leaves in the amount of from of a gallon to 4 gallons, preferably about 1%. gallons of solvent mixture per pound of dry leaves. The leaves stay in the extracting solvent for fromquantity as the first wash. This second solvent wash stays on the leaves for from 7 to 18 hours, preferably about 12 hours, with recirculating flow of solvent over the leaves as in the first wash. At the end of the second solvent wash the solvent is pumped off the leaves and a third solvent wash is put on the leaves. This third wash comprises a saturated solution of citric acid in ethyl ether.

From 1 to 4 gallons, preferably about 1% gallons of this solvent solution are used per pound of dry leaves. This third wash remains on the leaves from from 18 to 36 hours, preferably about 24 hours, with recirculating flow of solvent over the leaves during this period of time. The ether wash is then pumped off the leaves, and the extracted leaves are removed from the extraction tank and the residual solvent removed by heat. The first two wash steps of this extraction are intended to remove from the leaf such constituents as chlorophyll, carotene, Xanthophyll, and vitamins E and K; while the third Wash step functions primarily to remove the long chain fats and waxes from the leaf.

EXAMPLE 2 The first and second Wash steps of Example 1 are repeated. In the third wash step, a solventmixture of from to 90% methyl alcohol and 25% to 10% aqueous ammonia (26 B) by volume, preferably about methyl alcohol and 20% aqueous ammonia is substituted for the ethyl ether-citric acid solution of Example 1. The methyl alcohol-aqueous ammonia mixture is added in the amount of from of a gallon to 4 gallons, preferably about 24 hours. After this extraction period the solvent culated over the leaves for from 18 to 36 hours, preferably about 24 hours. After this extraction period of the solvent wash is pumped off, and a fourth wash of from 80% to 95% methyl alcohol, 10% to 2 /2% diethanol amine, and

10% to 2 /2 pyridine by volume, preferably about methyl alcohol, 5% diethanol amine and 5% pyridine, is applied to the leaves in the amount of from to 4 gallons, preferably about 1% gallons per pound of dry leaves. This wash remains on the leaves with recirculation for from 7 to 18 hours, preferably about 12 hours. After this period of time the solvent wash is pumped off the leaves and the extracted. leaves are removed from the extraction tank and the residual solvent removed by heat. In this process, the first two vwash steps perform the same function as the first two steps of Example 1, and the third and fourth steps perform substantially the equivalent extraction as the third step in Example 1.

EXAMPLE 3 The dried leaves are placed in an extraction tank and a solvent mixture of from 80% to aqueous ammonia (26 B.). A% to 1% sorbitol and 4%% to 19% diethanol amine by volume, preferably about 90% aqueous ammonia, /2% sorbitol and 9 /2% diethanol amine, is put into the extractor in the amount of from to 4 gallons, preferably about 1% gallons, per pound of dry leaves. This solvent mixture is recirculated over the leaves for a period of from 38 to 52 hours, preferably about'48 hours. At the end of this period of time the solvent mixture is pumped off the leaves, and a second wash is then added to the leaves which comprises a saturated solution of citric acid in ethyl ether, in the amount of from /4 to 4 gallons, preferably aboutl /2 gallons per pound of dry leaves. This wash is recirculated over the leaves for from 7 to 18 hours, preferably about 12 hours, and is then pumped off. The leaves are removed from the extraction tank and the residual solvent removed by heat. In this procedure the ammonia saponifies the fats and waxes, facilitating the extraction of the previously described ingredients.

EXAMPLE 4 The procedure of Example 3 is followed, except a methyl alcohol wash is applied between the two washes there described. This methyl alcohol wash in the amount of from A. of a gallon to 4 gallons, preferably about 1 /2 gallons per pound of dry leaves is recirculated over the leaves for a period of from 18 to 36 hours, preferably about 24 hours. At the end of this period of time the methyl alcohol is pumped off, and a third wash corresponding to the second wash of Example 3 is applied, i.e., of ethyl ether saturated with citric acid.

EXAMPLE 5 The dried leaves are placed in an extractor and first extracted with a saturated solution of citric acid in ethyl ether, in the amount of from A to 5 gallons, preferably about 1 /2 gallons per pound of dry leaves. This solvent wash is recirculated over the leaves for from 38 to 52 hours, preferably 48 hours. This wash is pumped ofl, and a second wash is then added of from 70% to 85% methyl alcohol, 15% to 10% aqueous ammonia (26 B.) 7 /2% to 2 /2 diethanol amine and 7 /2 to 2 /2% pyridine by volume, preferably about 80% methyl alcohol, 10% aqueous ammonia, 5% diet-hanol amine and 5% pyridine, in the amount of from to 4 gallons, preferably about 1 /2 gallons per pound of dry leaves. This wash is recirculated for from 18 to 36 hours, preferably about 24 hours, over the leaves and then pumped off. The leaves are then removed from the extraction tank and the residual solvent removed by heat.

Any part of the preceding methods of solvent processing could, of course, be used in place of the entire procedure, but obviously this would effect only a partial extraction of the materials. For certain uses, such as for cigars, some residual oil soluble constituents may be desired. Thus the final aroma and taste of the product can be varied by this means, as well as by the addition to the product of appropriate flavoring mixtures. In any event, after the organic solvent extraction phase of the process is completed, the dried and extracted leaves are placed under infra-red heat lamps and toasted until they are a golden brown.

Various additives are then applied to the foregoing product to impart a taste and aroma simulating that of tobacco when it is burned or chewed and to impart other properties associated with the usual tobacco products. Obviously a very large variety of flavoring mixtures may be employed, and the following specific formulations are exemplary. They are of two general types, one of which uses water as the vehicle, and the other uses ethyl alcohol. It is preferred, although not necessary, to use a flavoring mixture of both types, in which event they are added separately in the amount of from 2% to 20%, preferably 12%, each of the Weight of the dry extracted leaves. In the instance of those water vehicle formulations that include nonwater soluble solids, such as pulverized cardamom seed and pulverized husk of black walnut, these solids are finely ground and are held in suspension by constant mixing of the flavoring solution prior to applying it to the leaves. Specific examples of flavoring mixtures include the fol lowing:

Aqueous mixtures Example A:

Glycerinel% (humectant) Sorbitol-2% (sweetener) Molasses-l% (sweetener) Prune extract% (flavor) Niacin0.01% (flavor and aroma) Citric acid5% (flavor and aroma) Potassium nitrate6% (burning qualities and aroma) Example B:

Glycerine1% (humectant) Nia=cin0.01 (flavor and aroma) Citric acid5% (flavor and aroma) Malic acid-5% (flavor) Maple sugar8% (sweetener) Honey3% (sweetener) Pulverized husk of black walnut-0.1% (flavor and aroma) Pectin1% (flavor and aroma) Potassium nitrate6% (burning qualities and aroma) Example C:

Glycerine-1 (humectant) Honeyl0% (sweetener) Niacin0.01% (flavor and aroma) Potassium hydrogen chlorophyllin-0.l% (deodorant) Lobeline sulfate-0.001% (allays desire for tobacco) Pectin-1% (flavor and aroma) Malic acid8% (flavor) Citric acid3% (flavor and aroma) Sorbi-tol2% (sweetener) Potassium nitrate6% (burning qualities and aroma) Example D:

Maple sugar10% (sweetener) Glycerine1% (humectant) Citric acid8% (flavor and aroma) Pulverized cardamon seed-411% (flavor) Pulverizsed husk of black walnut-0.1% (flavor and aroma) Lobeline sulfate0.001% (allays desire for tobacco) Potassium nitrate6% (burning qualities and aroma) Potassium hydrogen chlorophyllin0.1% (deodorant) Alcohol mixtures Example E:

Oil of anise0.1% Vanilla extract2% (flavor) Menthol crystals-0.007%} Example F:

Walnut extract2% Oil of eucalyptus0.1% (flavor and aroma) Menthol crystals-0.007%

The preferred mode of applying these flavoring mixtures to the dried extracted leaves is first to spray them with one of the aqueous flavoring mixtures, and then store the sprayed product at from 60 to F., preferably 70 F., for from 15 to 30 hours, preferably 24 hours. Then, if desired one of the alcohol flavoring mixtures is sprayed on the leaves, and they are again stored for the aforestated time and at said temperatures. The moisture content is then again adjusted to between 8 and 15%, preferably 10%, by means of a controlled humidity atmosphere, and the product may then be put into the form of cigarettes, cigars, pipe smoking compound, or chewing product.

There is thus described specific extraction procedures and additive compositions whereby the principles of the present invention are effected, to produce from leafy vegetation a tobacco substitute for smoking and chewing products. As has been indicated previously, on following these procedures, the base material, prior to treatment with the additives, is composed essentially of protein and related nitrogen compounds, and carbohydrates. Analysis of typical products produced in accordance with these procedures shows a composition of 9%22% protein and related nitrogen compounds, 76%90% carbohydrates, and l%2% plant acids and salts. This product is substantially free of fat or oil soluble constitutents, nicotine and coumarin, and has a reduced amount of tar, aldehydes, and phenols in the products of combustion as compared with tobacco. Furthermore, the tar that does exist in the combustion products is almost exclusively a sugar tar.

Obviously, numerous variations in the exemplary de scriptions of the invention will be apparent to those skilled in the art. For example, it is obvious that different solvents known to be equivalent to those disclosed will be apparent to those skilled in the art. Also, additive materials other than those described may be employed. Accordingly, such variations and modifications of the disclosed process as are embraced by the spirit and scope of the appended claims are contemplated as being Within the purvue of the present invention.

What is claimed is:

1. A tobacco substitute base material having as its principal ingredient a water and organic solvent extracted porous residuum of substantially exclusively the leafy portion of a plant selected from the group consisting of lettuce, cabbage, broccoli, collard, kohlrabi, spinach, and papaya, said residuum consisting essentially of about 9- 22% protein and related nitrogen compounds from said leafy portion, and about 76-90% carbohydrates from said leafy portion, wherein other chemical constituents from said leafy portion are not more than about 2% of said residuum, said residuum in its final form having substantially the same leafy character as that of the leafy portion from Which it was derived.

2. A material as set forth in claim 1, wherein said material is substantially free of chlorophyll, carotene, and xanthophyll.

3. A smoking product having as its principal burning ingredient the tobacco substitute base material as set forth in claim 1, and further including additive ingredients comprising an humectant, a flavor and aroma producing constituent, a burning aid, and a sweetener.

4. A smoking product as set forth in claim 3, wherein said flavor and aroma producing constituent includes at least one compound selected from the group consisting of niacin, citric acid, malic acid, and pectin.

5. A smoking product as set forth in claim 3, wherein said constituent includes niacin.

6. A smoking product as set forth in claim 5, wherein said constituent further includes at least one compound selected from the group consisting of citric acid, malic acid, and pectin.

7. A smoking product as set forth in claim 3, wherein said constituent includes at, least one component selected from the group consisting of prune extract, pulverized husk of black walnut, and pulverized cardamom seed.

8. A smoking product as set forth in claim 3, wherein said constituent includes at least one component selected from the group consisting of oil of anise, vanilla extract, walnut extract, and oil of eucalyptus.

References Citedv UNITED STATES PATENTS 3,096,773 7/1963 Neukomm et a1. 131143 2,048,624 7/1936 Roselivs l31--143 3,323,624 6/1967 Sharnberger 131-2 1,577,768 3/1926 Smith 131-143 2,576,021 11/1951 Koree 131-2 2,930,720 3/1960 Finberg 131-17 3,003,895 10/1961 Grunwald 13l-17 3,106,209 10/1963 Torigian 131-2. 3,112,754 12/1963 Diaz 131-2 3,255,760 6/1966 Selke 131-8 OTHER REFERENCES Shmuk (text), The Chemistry and Technology of Tobacco, published by Pishchepromizdat, Moscow, 1953, and by the National Science Foundation and the Department of Agriculture (1961), Available from the Office of Technical Services, US. Department of Commerce, Washington 25, DC, pages 588,, 602 and-603 cited.

SAMUEL KOREN, Primary Examiner.

MELVIN D. REIN, Examiner.

Claims (1)

1. A TOBACCO SUBSTITUTE BASE MATERIAL HAVING AS ITS PRINCIPAL INGREDIENTS A WATER AND ORGANIC SOLVENT EXTRACTED POROUS RESIDUUM OF SUBSTANTIALLY EXCLUSIVELY THE LEAFY PORTION OF A PLANT SELECTED FROM THE GROUP CONSISTING OF LETTUCE, CABBAGE, BROCCOLI, COLLARD, KOHLRABI, SPINACH, AND PAPAYA, SAID RESIDUUM CONSISTING ESSENTIALLY OF ABOUT 922% PROTEIN AND RELATED NITROGEN COMPOUNDS FROM SAID LEAFY PORTION, AND ABOUT 76-90% CARBOHYDRATES FROM SAID LEAFY PORTION, WHEREIN OTHER CHEMICAL CONSTIUENTS FROM SAID LEAFY PORTION ARE NOT MORE THAN ABOUT 2% OF SAID RESIDUUM, SAID RESIDUUM IN ITS FINAL FORM HAVING SUBSTANTIALLY THE SAME LEAFY CHARACTER AS THAT OF THE LEAFY PORTION FROM WHICH IT WAS DERIVED.
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US4532143A (en) * 1984-06-15 1985-07-30 The J. M. Smucker Company Spreadable honey
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US4991596A (en) * 1989-07-11 1991-02-12 R. J. Reynolds Tobacco Company Smoking article
US5144967A (en) * 1990-10-22 1992-09-08 Kimberly-Clark Corporation Flavor release material
US5150724A (en) * 1991-03-20 1992-09-29 Liu Chien Ching Method of making non-nicotine cigarettes
US5167244A (en) * 1990-01-19 1992-12-01 Kjerstad Randy E Tobacco substitute
US5197495A (en) * 1988-04-28 1993-03-30 Efka-Werke Fritz Kiehn Gmbh Make-your-own system for making a cigarette, especially a filter-tipped cigarette
WO2002080707A1 (en) * 2001-04-06 2002-10-17 Partmers, Inc. Chewable flavor delivery system
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US20090025740A1 (en) * 2007-07-16 2009-01-29 Philip Morris Usa Inc. Oral pouch product having soft edge and method of making
US20090035414A1 (en) * 2007-07-16 2009-02-05 Philip Morris Usa Inc. Method of flavor encapsulation through the use of a drum coater
US20090065013A1 (en) * 2006-04-28 2009-03-12 Swedish Match North Europe Ab moist snuff non-tobacco composition and a method for producing thereof
US20100218779A1 (en) * 2009-02-27 2010-09-02 Philip Morris Usa Inc. Controlled flavor release tobacco pouch products and methods of making
US20100300464A1 (en) * 2008-12-18 2010-12-02 Philip Morris Usa Inc. Moist botanical pouch processing and moist oral botanical pouch products
US20100300465A1 (en) * 2007-06-08 2010-12-02 Zimmermann Stephen G Oral Pouch Products Including a Liner and Tobacco Beads
US20110083680A1 (en) * 2009-10-09 2011-04-14 Philip Morris Usa Inc. Tobacco-free pouched product containing flavor beads providing immediate and long lasting flavor release
US20110180087A1 (en) * 2008-12-30 2011-07-28 Philip Morris Usa Inc. Oral pouch product with multi-layered pouch wrapper
US8124147B2 (en) 2007-07-16 2012-02-28 Philip Morris Usa Inc. Oral pouch products with immobilized flavorant particles
CN102771886A (en) * 2012-08-14 2012-11-14 孟繁顺 Health care cigarette
US8424541B2 (en) 2007-07-16 2013-04-23 Philip Morris Usa Inc. Tobacco-free oral flavor delivery pouch product
US20140216481A1 (en) * 2010-12-07 2014-08-07 Steven R. Freeman Vegetable based tobacco alternatives and articles comprising same
US9039839B2 (en) 2010-04-08 2015-05-26 R.J. Reynolds Tobacco Company Smokeless tobacco composition comprising tobacco-derived material and non-tobacco plant material
US9635881B2 (en) 2012-04-10 2017-05-02 Swedish Match North Europe Ab Smokeless tobacco composition comprising non-tobacco fibers and a method for its manufacture
US10143230B2 (en) 2014-05-29 2018-12-04 Philip Morris Usa Inc. Tobacco-free pouched product containing flavor beads providing immediate and long lasting flavor release

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US20090035414A1 (en) * 2007-07-16 2009-02-05 Philip Morris Usa Inc. Method of flavor encapsulation through the use of a drum coater
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US9039839B2 (en) 2010-04-08 2015-05-26 R.J. Reynolds Tobacco Company Smokeless tobacco composition comprising tobacco-derived material and non-tobacco plant material
US20140216481A1 (en) * 2010-12-07 2014-08-07 Steven R. Freeman Vegetable based tobacco alternatives and articles comprising same
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