US3608560A - Smokable product of oxidized cellulosic material - Google Patents
Smokable product of oxidized cellulosic material Download PDFInfo
- Publication number
- US3608560A US3608560A US774187A US3608560DA US3608560A US 3608560 A US3608560 A US 3608560A US 774187 A US774187 A US 774187A US 3608560D A US3608560D A US 3608560DA US 3608560 A US3608560 A US 3608560A
- Authority
- US
- United States
- Prior art keywords
- product
- carbon
- cellulosic material
- oxycellulose
- oxidized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
- A24B15/165—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes comprising as heat source a carbon fuel or an oxidized or thermally degraded carbonaceous fuel, e.g. carbohydrates, cellulosic material
Definitions
- the carbon particles may carry a volatile additive absorbent thereon and function as a filtration means downstream from the combustion area.
- the carbon particles may be secured to the oxycellulose by means of a soluble carbohydrate binder.
- This invention relates to a smokable product produced of oxidized cellulosic materials and to smoking products produced thereof.
- smokable products is meant to refer to and include filler material for use in cigarettes, cigars, pipe tobacco and the like, cigarette papers, wrappers and the like used in the preparation of cigars and cigarettes.
- smokable product suitable for use in cigars and cigarettes and pipes
- the smokable product is prepared of relatively pure cellulosic materials subjected to selective oxidization with liquid nitrogen dioxide to convert preferably more than 90 percent of the methylol groups in the cellulosic molecule to yield a product which can be referred to as oxycellulose.
- the oxidation reaction produced is further processed by removal of nitrogen oxides by vaporization and washing and by extraction with an organic solvent to remove undesirable impurities, such as oils, waxes, latexes, and aromatics which have been released as a consequence of the treatment with nitrogen dioxide.
- the oxidized and cleansed oxycellulose is further processed by a reduction reaction with borohydride of an alkali or alkaline earth metal, such as sodium borohydride, for reduction of nitro compounds, quinones, ketones and aldehydes which otherwise might have a tendency to impart undesirable aroma and taste to the smoking product when burned, or to reduce stability thereof during storage.
- borohydride of an alkali or alkaline earth metal such as sodium borohydride
- the product before or after reduction, can be subjected to additional oxidation with a dilute solution of peroxide to eliminate further groupings that contribute undesirable aroma or taste to the product.
- the need for such treatments naturally varies with the initial purity of the oxycellulose.
- the refined oxycellulose is then formulated with mineralizing agents, such as oxalates, glycolates, diglycolates, lactates, pivatates or tannates of the alkaline earth metals, preferably in a manner to form such salts internally of the oxycellulose fibrils.
- mineralizing agents such as oxalates, glycolates, diglycolates, lactates, pivatates or tannates of the alkaline earth metals, preferably in a manner to form such salts internally of the oxycellulose fibrils.
- mineralizing agents such as oxalates, glycolates, diglycolates, lactates, pivatates or tannates of the alkaline earth metals, preferably in a manner to form such salts internally of the oxycellulose fibrils.
- internal formation can be achieved by first forming the alkaline earth metal salt of the oxycellulose and then treating with a solution of the anion to precipitate the mineralizing salt in situ in the cellulosic material.
- the treated oxycellulose can be further formulated to improve burning, glow and smoking characteristics by the use of potassium, rubidium or cesium salts, such as the oxalates as described in the aforementioned copending applications and in the copending application U.S. Pat. Ser. No. 623,528, filed Mar. 16, 1967, and entitled Smoking Products and Process for their Manufacture.
- Smoke generators for improving the appearance of the smoke from the product can be introduced, as by the use of fatty acids and the like, and suitable aroma can be achieved by the addition of volatilizable alkalizing material, such as ammonium oxalate, urea and the like.
- oxidized cellulosic material does not burn as vigorously as tobacco with the result that the smoka ble product often times experiences difficulty in maintaining full combustion. Such less vigorous burning may also tend to lend to thermal decomposition instead of combustion of the carbonaceous components with corresponding increase in tars and the like materials sought to be eliminated by the smokable product of this invention.
- the burning characteristics of the oxidized cellulosic material can be markedly improved and that the use of the oxidized cellulosic material, as a smokable product, is also improved by the formulation to include a substantial amount of combustible carbon in uniform distribution with the oxidized cellulosic material and preferably bonded thereto in the form of fine particles or powders of almost colloidal dimension.
- Benefits are derived when the carbon is present in the smokable product in an amount as little as 2 percent by weight of the oxidized cellulose up to an amount as great as 50 percent by weight of the oxidized cellulosic material.
- combustible carbon is employed in an amount within the range of 15-40 percent by weight of the oxidized cellulosic material.
- combustible carbon it is preferred to make use of various forms of activated carbon charcoal, burnt cork and the like, in finely divided or powder form or other forms of combustible carbon, preferably of the absorbent type, as used in the absorption of gases, liquids, vapors or fumes.
- carbon in the smoking product presents a number of other beneficial effects, some of which were wholly unexpected.
- carbon present within the amounts described contribute color to the smokable product thereby to increase its aesthetic value as well as ability to blend the smokable material with tobacco to provide a mixture characterized by reduced volatilizable byproducts from tobacco.
- the carbon particles are capable of functioning as absorbents to enable pretreatment with liquids desired to be formulated into the smoking product and to achieve uniform distribution of such liquids with the treated carbon particles.
- the latter operate to retain such liquids in the desired distribution in the smoking product for their most beneficial use.
- the carbon particles serve as a means for uniformly distributing small amounts of liquid ingredients and for retaining such liquids in unifonn distribution throughout the smokable product.
- the carbon particles uniformly distributed throughout the smoking product, to extract volatile organic components from the smoke and fumes and to withhold such absorbed materials while even in the hot zone generated during combustion of the smoking product.
- extra pyrolysis is required with more complete combustion of the absorbed volatiles with the result that less of the organic volatiles are released during combustion of the smoking product.
- the carbon particles While in the nonburning portion of the smoking product, the carbon particles function as a filter which removes and holds volatile vapors and fumes otherwise inhaled.
- carbon acts like calcium oxalate and, to some extent, substitutes for inorganic minerals. This allows a less coherent ash to be formulated.
- the carbon particles may be formulated into the cellulose system in various ways. If the carbon particles are pasted with oxidized cellulose fibers, much of the carbon will absorb or adhere, depending upon the amount of swelling and stickiness of the fibers, which depends further upon the temperature and pH of the paste. instead, the cellulosic fibers may be impregnated with an aqueous dispersion of the carbon particles containing a binder component, such as a small amount of soluble polyuronic acid obtained by boiling oxidized cellulose in water, pectin, demethylated pectin, and the like carbohydrate binder materials.
- a binder component such as a small amount of soluble polyuronic acid obtained by boiling oxidized cellulose in water, pectin, demethylated pectin, and the like carbohydrate binder materials.
- EXAMPLE I A low ash, low lignin, high purity paper is oxidized by immersion in liquid NO at 20 C. for 5 or 6 days until caustic soda titrations show that the carboxyl content has reached an asymptotic level, which can be taken as indicating close to 100 percent conversion of the methylol groups. The paper is then removed and the N0 volatilized off by drying. The paper is then rinsed and treated with a 1 percent suspension of calcium carbonate, containing an amount of calcium sufficient when absorbed in the oxidized cellulose to give an ash level of percent to the dried product.
- the slurry is formulated to contain 1 percent by weight low methoxyl pectin for adhesion and the moist pasted fibers are then dried in a stream of warm air at 50 C.
- 1 percent of rubidium or cesium oxalate is incorporated in the oxidized cellulose and carbon mixture.
- Approximately 0.5 percent of ammonium oxalate is also added, to give an alkaline smoke such that moist pH paper held in the smoke indicates a pH of 8 to 9.
- the mineralizing or ashing ingredient in the form of calcium oxalate can be incorporated into the eellulosic material before oxidation with liquid nitrogen dioxide.
- the steps of treating the oxidized cellulose with calcium carbonate and oxalic acid can be dispensed with in the above example. It is desirable to make use of such mineralizing agents as calcium, magnesium, or the like alkaline earth metal oxalates in an amount within the range of 5-40 percent by weight of the smokable product or in an amount to give 5 25 percent ash in the smoked product.
- lignm in example I, use can be made of other cellulosic materials, such as purified cellulose pulp or paper, alpha-cellulose, wood pulp, flax, hemp, straw and cellulose components derived from plants, leaves, weeds and the like.
- cellulosic materials such as purified cellulose pulp or paper, alpha-cellulose, wood pulp, flax, hemp, straw and cellulose components derived from plants, leaves, weeds and the like.
- Oxidized cellulose formulated in the manner described, and which include suitable ash, burning accelerators and smoke modifiers, can be used alone as a smoking product, or it can be used as a diluent with tobacco for the manufacture of cigarettes with reduced tars and improved smoking characteristics.
- a substitute smoking product adapted to be employed as combustible filler either alone or in combination with tobacco said product being a mixture consisting essentially of an oxidized cellulose material and an incorporation of fine, absorbent combustible carbon particles approximating colloidal dimensions, said combustible carbon particles being within the range of 2-50 percent by weight of the oxidized cellulose, said combustible carbon particles functioning during combustion of the mixture in smoking to increase the heat of combustion of the oxycellulose and preclude the melting thereof, act as an absorbent for introducing a volatile additive and/or for smoke filtration downstream from the zone of combustion.
Abstract
Description
Claims (4)
- 2. A substitute smokable product as claimed in claim 1 in which the combustible carbon is present in an amount within the range of 15-40 percent by weight of the oxidized cellulosic material.
- 3. A substitute smokable product as claimed in claim 1 in which the carbon particles are bonded to the oxidized cellulosic material with a soluble carbohydrate.
- 4. The substitute smoking product of claim 1 in which the oxidized cellulose is stabilized by removal of the excess nitrogen dioxide subsequent to the oxidation of the cellulose.
- 5. The substitute smoking product of claim 1 in which the carbon particles are adhered to the oxycellulose by coating a suspension of the said particles in a water soluble binder onto the oxycellulose and then drying same.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77418768A | 1968-11-07 | 1968-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3608560A true US3608560A (en) | 1971-09-28 |
Family
ID=25100490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US774187A Expired - Lifetime US3608560A (en) | 1968-11-07 | 1968-11-07 | Smokable product of oxidized cellulosic material |
Country Status (1)
Country | Link |
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US (1) | US3608560A (en) |
Cited By (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3729009A (en) * | 1971-03-22 | 1973-04-24 | Kimberly Clark Co | Smoking product with improved flavor and method of making it |
US3805803A (en) * | 1971-06-11 | 1974-04-23 | Brown & Williamson Tobacco | Reconstituted-tobacco smoking materials |
US3818915A (en) * | 1970-03-23 | 1974-06-25 | Ici Ltd | Tobacco substitute smoking material |
US3885574A (en) * | 1970-03-23 | 1975-05-27 | Ici Ltd | Smoking mixture |
US3934594A (en) * | 1972-03-02 | 1976-01-27 | Tamag Basel Ag | Process for the manufacture of tobacco substitute |
US3943942A (en) * | 1973-07-09 | 1976-03-16 | Imperial Chemical Industries Limited | Smoking mixtures |
US3957060A (en) * | 1971-11-23 | 1976-05-18 | Brown & Williamson Tobacco Corporation | Tobacco treatment |
US3987801A (en) * | 1973-07-24 | 1976-10-26 | Tamag Basel Ag | Smokeable product with meerschaum particles as absorbents |
US3987800A (en) * | 1973-07-24 | 1976-10-26 | Tamag Basel Ag | Smokable product with meerschaum particles |
US3993082A (en) * | 1973-09-10 | 1976-11-23 | Olin Corporation | Tobacco substitute |
US4014348A (en) * | 1974-07-05 | 1977-03-29 | Imperial Chemical Industries Limited | Smoking mixture |
US4019520A (en) * | 1974-11-25 | 1977-04-26 | Brown & Williamson Tobacco Corporation | Tobacco substitute containing boric oxide, boron oxyacids, and ammonium, alkali metal, or alkaline earth metal salts of boron oxyacids |
US4505282A (en) * | 1978-05-12 | 1985-03-19 | American Brands, Inc. | Innerliner wrap for smoking articles |
US4793365A (en) * | 1984-09-14 | 1988-12-27 | R. J. Reynolds Tobacco Company | Smoking article |
US4893639A (en) * | 1986-07-22 | 1990-01-16 | R. J. Reynolds Tobacco Company | Densified particulate materials for smoking products and process for preparing the same |
US4920990A (en) * | 1988-11-23 | 1990-05-01 | R. J. Reynolds Tobacco Company | Cigarette |
US4942888A (en) * | 1989-01-18 | 1990-07-24 | R. J. Reynolds Tobacco Company | Cigarette |
US4966171A (en) * | 1988-07-22 | 1990-10-30 | Philip Morris Incorporated | Smoking article |
US4981522A (en) * | 1988-07-22 | 1991-01-01 | Philip Morris Incorporated | Thermally releasable flavor source for smoking articles |
US4991606A (en) * | 1988-07-22 | 1991-02-12 | Philip Morris Incorporated | Smoking article |
US5060676A (en) * | 1982-12-16 | 1991-10-29 | Philip Morris Incorporated | Process for making a carbon heat source and smoking article including the heat source and a flavor generator |
US5074321A (en) * | 1989-09-29 | 1991-12-24 | R. J. Reynolds Tobacco Company | Cigarette |
US5076297A (en) * | 1986-03-14 | 1991-12-31 | R. J. Reynolds Tobacco Company | Method for preparing carbon fuel for smoking articles and product produced thereby |
US5092353A (en) * | 1989-01-18 | 1992-03-03 | R. J. Reynolds Tobacco Company | Cigarette |
US5101839A (en) * | 1990-08-15 | 1992-04-07 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5105836A (en) * | 1989-09-29 | 1992-04-21 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5129408A (en) * | 1990-08-15 | 1992-07-14 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5144967A (en) * | 1990-10-22 | 1992-09-08 | Kimberly-Clark Corporation | Flavor release material |
US5284166A (en) * | 1992-10-07 | 1994-02-08 | Kimberly-Clark Corporation | Method of producing brown cigarette wrapper paper |
WO1994006313A1 (en) * | 1992-09-11 | 1994-03-31 | Philip Morris Products Inc. | Tobacco flavor unit for electrical smoking articles |
US5345951A (en) * | 1988-07-22 | 1994-09-13 | Philip Morris Incorporated | Smoking article |
US5388594A (en) * | 1991-03-11 | 1995-02-14 | Philip Morris Incorporated | Electrical smoking system for delivering flavors and method for making same |
US5396911A (en) * | 1990-08-15 | 1995-03-14 | R. J. Reynolds Tobacco Company | Substrate material for smoking articles |
US5415186A (en) * | 1990-08-15 | 1995-05-16 | R. J. Reynolds Tobacco Company | Substrates material for smoking articles |
US5443560A (en) * | 1989-11-29 | 1995-08-22 | Philip Morris Incorporated | Chemical heat source comprising metal nitride, metal oxide and carbon |
US5505214A (en) * | 1991-03-11 | 1996-04-09 | Philip Morris Incorporated | Electrical smoking article and method for making same |
US5573692A (en) * | 1991-03-11 | 1996-11-12 | Philip Morris Incorporated | Platinum heater for electrical smoking article having ohmic contact |
US5649554A (en) * | 1995-10-16 | 1997-07-22 | Philip Morris Incorporated | Electrical lighter with a rotatable tobacco supply |
US5665262A (en) * | 1991-03-11 | 1997-09-09 | Philip Morris Incorporated | Tubular heater for use in an electrical smoking article |
US5666978A (en) * | 1992-09-11 | 1997-09-16 | Philip Morris Incorporated | Electrical smoking system for delivering flavors and method for making same |
US5666976A (en) * | 1992-09-11 | 1997-09-16 | Philip Morris Incorporated | Cigarette and method of manufacturing cigarette for electrical smoking system |
US5692525A (en) * | 1992-09-11 | 1997-12-02 | Philip Morris Incorporated | Cigarette for electrical smoking system |
US8402976B2 (en) | 2008-04-17 | 2013-03-26 | Philip Morris Usa Inc. | Electrically heated smoking system |
USD691766S1 (en) | 2013-01-14 | 2013-10-15 | Altria Client Services Inc. | Mouthpiece of a smoking article |
USD691765S1 (en) | 2013-01-14 | 2013-10-15 | Altria Client Services Inc. | Electronic smoking article |
USD695449S1 (en) | 2013-01-14 | 2013-12-10 | Altria Client Services Inc. | Electronic smoking article |
US8794231B2 (en) | 2008-04-30 | 2014-08-05 | Philip Morris Usa Inc. | Electrically heated smoking system having a liquid storage portion |
US8997754B2 (en) | 2012-01-31 | 2015-04-07 | Altria Client Services Inc. | Electronic cigarette |
US9084440B2 (en) | 2009-11-27 | 2015-07-21 | Philip Morris Usa Inc. | Electrically heated smoking system with internal or external heater |
US9289014B2 (en) | 2012-02-22 | 2016-03-22 | Altria Client Services Llc | Electronic smoking article and improved heater element |
US9420829B2 (en) | 2009-10-27 | 2016-08-23 | Philip Morris Usa Inc. | Smoking system having a liquid storage portion |
US9439454B2 (en) | 2008-03-14 | 2016-09-13 | Philip Morris Usa Inc. | Electrically heated aerosol generating system and method |
US9499332B2 (en) | 2009-05-21 | 2016-11-22 | Philip Morris Usa Inc. | Electrically heated smoking system |
USD834743S1 (en) | 2013-10-14 | 2018-11-27 | Altria Client Services Llc | Smoking article |
USD841231S1 (en) | 2013-01-14 | 2019-02-19 | Altria Client Services, Llc | Electronic vaping device mouthpiece |
USD849993S1 (en) | 2013-01-14 | 2019-05-28 | Altria Client Services | Electronic smoking article |
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CA702918A (en) * | 1965-02-02 | V. Kirkland Earl | Tobacco substitute | |
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-
1968
- 1968-11-07 US US774187A patent/US3608560A/en not_active Expired - Lifetime
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US7001A (en) * | 1850-01-08 | Thomas Hoyt | Improvement in curing tobacco-stems | |
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Cited By (120)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818915A (en) * | 1970-03-23 | 1974-06-25 | Ici Ltd | Tobacco substitute smoking material |
US3885574A (en) * | 1970-03-23 | 1975-05-27 | Ici Ltd | Smoking mixture |
US3729009A (en) * | 1971-03-22 | 1973-04-24 | Kimberly Clark Co | Smoking product with improved flavor and method of making it |
US3805803A (en) * | 1971-06-11 | 1974-04-23 | Brown & Williamson Tobacco | Reconstituted-tobacco smoking materials |
US3957060A (en) * | 1971-11-23 | 1976-05-18 | Brown & Williamson Tobacco Corporation | Tobacco treatment |
US3934594A (en) * | 1972-03-02 | 1976-01-27 | Tamag Basel Ag | Process for the manufacture of tobacco substitute |
US3943942A (en) * | 1973-07-09 | 1976-03-16 | Imperial Chemical Industries Limited | Smoking mixtures |
US3987801A (en) * | 1973-07-24 | 1976-10-26 | Tamag Basel Ag | Smokeable product with meerschaum particles as absorbents |
US3987800A (en) * | 1973-07-24 | 1976-10-26 | Tamag Basel Ag | Smokable product with meerschaum particles |
US3993082A (en) * | 1973-09-10 | 1976-11-23 | Olin Corporation | Tobacco substitute |
US4014348A (en) * | 1974-07-05 | 1977-03-29 | Imperial Chemical Industries Limited | Smoking mixture |
US4019520A (en) * | 1974-11-25 | 1977-04-26 | Brown & Williamson Tobacco Corporation | Tobacco substitute containing boric oxide, boron oxyacids, and ammonium, alkali metal, or alkaline earth metal salts of boron oxyacids |
US4505282A (en) * | 1978-05-12 | 1985-03-19 | American Brands, Inc. | Innerliner wrap for smoking articles |
US5060676A (en) * | 1982-12-16 | 1991-10-29 | Philip Morris Incorporated | Process for making a carbon heat source and smoking article including the heat source and a flavor generator |
US4793365A (en) * | 1984-09-14 | 1988-12-27 | R. J. Reynolds Tobacco Company | Smoking article |
US5076292A (en) * | 1984-09-14 | 1991-12-31 | R. J. Reynolds Tobacco Company | Smoking article |
US5076297A (en) * | 1986-03-14 | 1991-12-31 | R. J. Reynolds Tobacco Company | Method for preparing carbon fuel for smoking articles and product produced thereby |
US4893639A (en) * | 1986-07-22 | 1990-01-16 | R. J. Reynolds Tobacco Company | Densified particulate materials for smoking products and process for preparing the same |
US5345951A (en) * | 1988-07-22 | 1994-09-13 | Philip Morris Incorporated | Smoking article |
US4966171A (en) * | 1988-07-22 | 1990-10-30 | Philip Morris Incorporated | Smoking article |
US4981522A (en) * | 1988-07-22 | 1991-01-01 | Philip Morris Incorporated | Thermally releasable flavor source for smoking articles |
US4991606A (en) * | 1988-07-22 | 1991-02-12 | Philip Morris Incorporated | Smoking article |
US4920990A (en) * | 1988-11-23 | 1990-05-01 | R. J. Reynolds Tobacco Company | Cigarette |
US4942888A (en) * | 1989-01-18 | 1990-07-24 | R. J. Reynolds Tobacco Company | Cigarette |
US5092353A (en) * | 1989-01-18 | 1992-03-03 | R. J. Reynolds Tobacco Company | Cigarette |
US5105836A (en) * | 1989-09-29 | 1992-04-21 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5074321A (en) * | 1989-09-29 | 1991-12-24 | R. J. Reynolds Tobacco Company | Cigarette |
US5443560A (en) * | 1989-11-29 | 1995-08-22 | Philip Morris Incorporated | Chemical heat source comprising metal nitride, metal oxide and carbon |
US5101839A (en) * | 1990-08-15 | 1992-04-07 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5129408A (en) * | 1990-08-15 | 1992-07-14 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor |
US5598868A (en) * | 1990-08-15 | 1997-02-04 | R. J. Reynolds Tobacco Company | Cigarette and smokable filler material therefor material for use in smoking articles |
US5396911A (en) * | 1990-08-15 | 1995-03-14 | R. J. Reynolds Tobacco Company | Substrate material for smoking articles |
US5415186A (en) * | 1990-08-15 | 1995-05-16 | R. J. Reynolds Tobacco Company | Substrates material for smoking articles |
US5144967A (en) * | 1990-10-22 | 1992-09-08 | Kimberly-Clark Corporation | Flavor release material |
US5505214A (en) * | 1991-03-11 | 1996-04-09 | Philip Morris Incorporated | Electrical smoking article and method for making same |
US5708258A (en) * | 1991-03-11 | 1998-01-13 | Philip Morris Incorporated | Electrical smoking system |
US5388594A (en) * | 1991-03-11 | 1995-02-14 | Philip Morris Incorporated | Electrical smoking system for delivering flavors and method for making same |
US5865185A (en) * | 1991-03-11 | 1999-02-02 | Philip Morris Incorporated | Flavor generating article |
US5573692A (en) * | 1991-03-11 | 1996-11-12 | Philip Morris Incorporated | Platinum heater for electrical smoking article having ohmic contact |
US5750964A (en) * | 1991-03-11 | 1998-05-12 | Philip Morris Incorporated | Electrical heater of an electrical smoking system |
US5613504A (en) * | 1991-03-11 | 1997-03-25 | Philip Morris Incorporated | Flavor generating article and method for making same |
US5730158A (en) * | 1991-03-11 | 1998-03-24 | Philip Morris Incorporated | Heater element of an electrical smoking article and method for making same |
US5665262A (en) * | 1991-03-11 | 1997-09-09 | Philip Morris Incorporated | Tubular heater for use in an electrical smoking article |
US6026820A (en) * | 1992-09-11 | 2000-02-22 | Philip Morris Incorporated | Cigarette for electrical smoking system |
US5816263A (en) * | 1992-09-11 | 1998-10-06 | Counts; Mary Ellen | Cigarette for electrical smoking system |
US5692525A (en) * | 1992-09-11 | 1997-12-02 | Philip Morris Incorporated | Cigarette for electrical smoking system |
US5692291A (en) * | 1992-09-11 | 1997-12-02 | Philip Morris Incorporated | Method of manufacturing an electrical heater |
US5666978A (en) * | 1992-09-11 | 1997-09-16 | Philip Morris Incorporated | Electrical smoking system for delivering flavors and method for making same |
US5369723A (en) * | 1992-09-11 | 1994-11-29 | Philip Morris Incorporated | Tobacco flavor unit for electrical smoking article comprising fibrous mat |
WO1994006313A1 (en) * | 1992-09-11 | 1994-03-31 | Philip Morris Products Inc. | Tobacco flavor unit for electrical smoking articles |
US5915387A (en) * | 1992-09-11 | 1999-06-29 | Philip Morris Incorporated | Cigarette for electrical smoking system |
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