US3738374A - Cigar or cigarette having substitute filler - Google Patents

Cigar or cigarette having substitute filler Download PDF

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Publication number
US3738374A
US3738374A US3738374DA US3738374A US 3738374 A US3738374 A US 3738374A US 3738374D A US3738374D A US 3738374DA US 3738374 A US3738374 A US 3738374A
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cigarette
weight
wrapper
added
substitute
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H Bennett
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B Lab
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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
    • A24B15/165Chemical 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

Abstract

This invention pertains to the production of cigars or cigarettes which have a tobacco substitute filler and a wrapper and which on burning produce vapors and condensates free from nicotine, and which have only a minute amount of tars. The tobacco substitute is made from carbon or graphite fibers, mat or cloth associated with an oxidizing agent. Other agents are added as needed or desired to improve texture or form, to give an improved burn, or to make the product more salable or economical to manufacture. The wrapper includes an impregnation of an ashing ingredient.

Description

United States Patent 1 Bennett CIGAR 0R CIGARETTE HAVING SUBSTITUTE FILLER [75 Inventor: Harry Bennett, Miami Beach, Fla.

[73] Assignee: B. R. Laboratory, Miami Beach,

Fla.

[22] Filed: Mar. 5, 1970 [21] Appl. No.: 16,964

[52] US. Cl. ..131/2,131/15 [51] Int. Cl. A24b 15/00, A24d 1/18 [58] Field of Search 131/2, 9, 10, 10.18,

[56] References Cited UNITED STATES PATENTS 2,007,407 9/1935 Sadtler 131/17 X 2,063,014 12/1936 Allen 3,357,929 12/1967 Olstowski. 2,907,686 10/1959 Siegel 3,545,448 12/1970 Morman et a1. 131/2 1,518,944 12/1924 Sulzberger et a1. 131/15 A UX [111 3,738,374 June 12, 1973 3,368,566 2/1968 Avedikian 131/107 FOREIGN PATENTS OR APPLICATIONS 1,023,918 3/1966 Great Britain 131/107 Primary ExaminerMelvin D, Rein Att0rney-J0hn Cyril Malloy and Meredith P. Sparks [57] ABSTRACT This invention pertains to the production of cigars or cigarettes which have a tobacco substitute filler and a wrapper and which on burning produce vapors and condensates free from nicotine, and which have only a minute amount of tars. The tobacco substitute is made from carbon or graphite fibers, mat or cloth associated with an oxidizing agent. Other agents are added as needed or desired to improve texture or form, to give an improved burn, or to make the product more salable or economical to manufacture. The wrapper includes an impregnation of an ashing ingredient.

1 Claim, No Drawings CIGAR OR CIGARETTE HAVING SUBSTITUTE FILLER This invention relates to a tobacco substitute. More particularly, this invention pertains to the production of a substitute for tobacco in cigars, cigarettes, or as smoking tobacco which on burning produces vapors and condensates free from nicotine, and which have only a minute amount of tars. The tobacco substitute of this invention is believed to be relatively safe and non-toxic.

According to my invention, a tobacco substitute is made from carbon or graphite fibers, mat or cloth associated with an oxidizing agent. Other ingredients may be added, as desired, to improve the texture, give an improved burn, or to make the product more economical to manufacture. A filter tip may be added to absorb tars and gases, or to improve the flavor or taste of the product.

In order to make a cigarette substitute the product of this invention is made as a filler of the fiber which is wrapped in a sheet of the same material.

The filler is made by adding a solution of an oxidizing agent to carbon or graphite fibers, mat or cloth. The carbonaceous material is a commercial material which comes in several grades and several forms, such as fibers, a mat which is composed of man-y intertwined or tangled strands, or fibers woven into cloth.

The oxidizing agent is preferably an inorganic salt of an oxidizing acid, or a metal peroxide. Examples of suitable oxidizing agents are the alkali metal nitrates, especially potassium and sodium nitrates; the alkali metal chlorates such as sodium or potassium chlorate, or the alkaline earth metal peroxides, especially calcium or barium peroxide. Potassium nitrate is especially preferred.

The carbonaceous material is mixed with the oxidizing agent which is added preferably in the form of an aqueous solution in a concentration of about percent. A plasticizer such as a polyglycol may be added to provide the desired consistency. For this purpose polyethylene glycol of molecular weight in the range of about 1,450 is especially suitable. Other water dispersible, viscous or unctuous polyethylene glycols may be used.

To lower the cost, or to obtain more controlled burning of the cigarette, non-combustible materials may be used to replace part of the carbon. Suitable noncombustible materials are rock wool, steel wool, polyester flock, kaowool, ceramic fibers or asbestos fibers or mat. These may be obtained commercially in either short or long fibers and in various grades.

The carbonaceous material is mixed with the oxidizing agent, and with a plasticizer, as needed, to give a uniform dispersion, which may be extruded into flat filaments that are dried and cut to size. Another method is to form the material into sheets on a paper making machine, and then dry and cut to size.

The product from the paper making machine may be used both for the filler and the wrapper. The wrapper can be made white by coating it with a material such as the following:

sodium silicate 1 part by weight titanium dioxide 1 part by weight water 10 parts by weight A colored wrapper is made by adding a suitable coloring agent or dye to the above mixture.

The'wrapper is treated with a 10 percent solution of sodium or potassium silicate containing l0 percent of that amount of propylene glycol. The purpose of the plastic is to form an ash on burning.

A filter can be attached to one end of the cigarette, as is well known in the art. The portion of the filter which is adjacent to the cigarette can be filled with activated carbon to absorb tars and gases. Hemoglobin or other carbon monoxide absorbing material can also be added. A quantity of about 1 to 5 percent by weight is usually sufficient.

The filter may also contain a means for oxidizing carbon monoxide to carbon dioxide. For this purpose copper oxide, manganese dioxide or a mixture of the two can be used. These are added in an amount of about 1 percent to 5 percent of the weight of the adsorbent.

The mouth-end of the filter can have a coating containing a flavor or fragrance material such as coffee essence, licorice, menthol or saccharine. Suitably this coating is covered with an outer layer of starch, talc or microcrystalline cellulose, perforated waxpaper or cork paper. Alternatively, all materials may comprise one coating.

The product will burn at a slow and even rate which can be controlled by the amount of the oxidizing agent added and/or any of the above-mentioned inorganic non-combustibles. Smoking of the substitute cigar or cigarette of this invention will give psychological satisfaction without nicotine and thus help the user to stop the habit. If a stimulant effect is desired, 0.1 percent of caffeine citrate, labeline, or the like is added to the mouth end of the filter tip.

The cigar is made of the same compositions as the cigarette. The size can be varied from that of a cigarillo to that of a full size cigar.

Smoking tobacco is made of the same compositions but is cut to give a flake, thread or mixture similar to regular smoking tobacco.

The following examples will serve to illustrate some of the mixtures or methods to which my invention is applicable. The detailed description has been given only for clearness and understanding as modifications will be obvious to those skilled in the art. A reasonable variation can be made in the relative proportions of the components. Also it is common practice to add various adjuvant materials.

The specific examples are illustrative of the nature of the present invention, but it is to be understood that the invention is not limited thereto.

EXAMPLE 1 Carbon fibers, mat or cloth Potassium nitrate, added as a l0% aqueous solution incombustible materials 2 parts by weight 2 parts by weight. 96 parts by weight EXAMPLE 2 Asbestos-long fiber Powdered charcoal Potassium nitrate, added as a 10% aqueous solution Polyethylene glycol, m.w. i 1450 (50% aqueous solution) 1 part by weight 2 parts by weight 2 parts by weight 3 parts by weight The above ingredients are mixed to give a uniform dispersion which is extruded into flat filaments, dried, and cut to size. The sheet material is used both for the filler and wrapper. Long fiber asbestos may be replaced by a short fiber asbestos, a polyester flock or by kaowool.

EXAMPLE 3 Carbon or graphite fiber,

mat or cloth Steel wool, very fine Sodium chlorate Barium peroxide 20-30 parts by weight 5-2O parts by weight 2 parts by weight 1 parts by weight using smaller amounts of the oxidizing material, or by replacing part of the carbonaceous material by incombustible fibers.

The foregoing examples illustrate embodiments of my invention, but the invention is not limited thereto. It will be understood that many modifications, changes and substitutions may be made therein without departing from the true scope of the invention as defined in the appended claims.

I claim:

1. A slow and even burning tobacco substitute smoking article characterized by a low tar condensate on burning, said substitute consisting essentially of extruded carbon fibers having an impregnation of a small quantity of an oxidizing agent selected from the group consisting of inorganic peroxides, nitrates or chlorates, a plasticizer, and a wrapper having an impregnated ashing agent.

US3738374D 1970-03-05 1970-03-05 Cigar or cigarette having substitute filler Expired - Lifetime US3738374A (en)

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Cited By (66)

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US3943941A (en) * 1972-04-20 1976-03-16 Gallaher Limited Synthetic smoking product
US4219031A (en) * 1979-03-05 1980-08-26 Philip Morris Incorporated Smoking product having core of fibrillar carbonized matter
US4347855A (en) * 1980-07-23 1982-09-07 Philip Morris Incorporated Method of making smoking articles
US4391285A (en) * 1980-05-09 1983-07-05 Philip Morris, Incorporated Smoking article
US4714082A (en) * 1984-09-14 1987-12-22 R. J. Reynolds Tobacco Company Smoking article
US4732168A (en) * 1986-05-15 1988-03-22 R. J. Reynolds Tobacco Company Smoking article employing heat conductive fingers
US4756318A (en) * 1985-10-28 1988-07-12 R. J. Reynolds Tobacco Company Smoking article with tobacco jacket
US4771795A (en) * 1986-05-15 1988-09-20 R. J. Reynolds Tobacco Company Smoking article with dual burn rate fuel element
US4819665A (en) * 1987-01-23 1989-04-11 R. J. Reynolds Tobacco Company Aerosol delivery article
US4854331A (en) * 1984-09-14 1989-08-08 R. J. Reynolds Tobacco Company Smoking article
US4881556A (en) * 1988-06-06 1989-11-21 R. J. Reynolds Tobacco Company Low CO 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
US4917128A (en) * 1985-10-28 1990-04-17 R. J. Reynolds Tobacco Co. Cigarette
US4928714A (en) * 1985-04-15 1990-05-29 R. J. Reynolds Tobacco Company Smoking article with embedded substrate
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
US4989619A (en) * 1985-08-26 1991-02-05 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US4991606A (en) * 1988-07-22 1991-02-12 Philip Morris Incorporated Smoking article
US5020548A (en) * 1985-08-26 1991-06-04 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US5027836A (en) * 1984-12-21 1991-07-02 R. J. Reynolds Tobacco Company Insulated smoking article
US5042509A (en) * 1984-09-14 1991-08-27 R. J. Reynolds Tobacco Company Method for making aerosol generating cartridge
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
US5067499A (en) * 1984-09-14 1991-11-26 R. J. Reynolds Tobacco Company Smoking article
US5074321A (en) * 1989-09-29 1991-12-24 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
US5105831A (en) * 1985-10-23 1992-04-21 R. J. Reynolds Tobacco Company Smoking article with conductive aerosol chamber
US5119834A (en) * 1985-04-15 1992-06-09 R. J. Reynolds Tobacco Company Smoking article with improved substrate
US5144967A (en) * 1990-10-22 1992-09-08 Kimberly-Clark Corporation Flavor release material
US5148821A (en) * 1990-08-17 1992-09-22 R. J. Reynolds Tobacco Company Processes for producing a smokable and/or combustible tobacco material
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
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
WO1996014762A1 (en) * 1994-11-16 1996-05-23 Rothmans International Services Limited Tobacco rod and/or filter for smoking article
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
US5666976A (en) * 1992-09-11 1997-09-16 Philip Morris Incorporated Cigarette and method of manufacturing cigarette for electrical smoking system
US5666978A (en) * 1992-09-11 1997-09-16 Philip Morris Incorporated Electrical smoking system for delivering flavors and method for making same
US5692525A (en) * 1992-09-11 1997-12-02 Philip Morris Incorporated Cigarette for electrical smoking system
US5750964A (en) * 1991-03-11 1998-05-12 Philip Morris Incorporated Electrical heater of an electrical smoking system
US20040173229A1 (en) * 2003-03-05 2004-09-09 Crooks Evon Llewellyn Smoking article comprising ultrafine particles
US20050066986A1 (en) * 2003-09-30 2005-03-31 Nestor Timothy Brian Smokable rod for a cigarette
US20050066985A1 (en) * 2003-09-30 2005-03-31 Borschke August Joseph Smokable rod for a cigarette
US20070215168A1 (en) * 2006-03-16 2007-09-20 Banerjee Chandra K Smoking article
US20070215167A1 (en) * 2006-03-16 2007-09-20 Evon Llewellyn Crooks Smoking article
US7334892B2 (en) 2004-12-03 2008-02-26 Searete Llc Method and system for vision enhancement
US20080092912A1 (en) * 2006-10-18 2008-04-24 R. J. Reynolds Tobacco Company Tobacco-Containing Smoking Article
US20090230117A1 (en) * 2008-03-14 2009-09-17 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US20090320863A1 (en) * 2008-04-17 2009-12-31 Philip Morris Usa Inc. Electrically heated smoking system
US20100313901A1 (en) * 2009-05-21 2010-12-16 Philip Morris Usa Inc. Electrically heated smoking system
US20110094523A1 (en) * 2009-10-27 2011-04-28 Philip Morris Usa Inc. Smoking system having a liquid storage portion
US20110126848A1 (en) * 2009-11-27 2011-06-02 Philip Morris Usa Inc. Electrically heated smoking system with internal or external heater
USD691765S1 (en) 2013-01-14 2013-10-15 Altria Client Services Inc. Electronic smoking article
USD691766S1 (en) 2013-01-14 2013-10-15 Altria Client Services Inc. Mouthpiece of a 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
US8997753B2 (en) 2012-01-31 2015-04-07 Altria Client Services Inc. Electronic smoking article
US9289014B2 (en) 2012-02-22 2016-03-22 Altria Client Services Llc Electronic smoking article and improved heater element
USD834743S1 (en) 2013-10-14 2018-11-27 Altria Client Services Llc Smoking article
US10188140B2 (en) 2005-08-01 2019-01-29 R.J. Reynolds Tobacco Company 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
US10300225B2 (en) 2010-05-15 2019-05-28 Rai Strategic Holdings, Inc. Atomizer for a personal vaporizing unit

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Cited By (133)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943941A (en) * 1972-04-20 1976-03-16 Gallaher Limited Synthetic smoking product
US4219031A (en) * 1979-03-05 1980-08-26 Philip Morris Incorporated Smoking product having core of fibrillar carbonized matter
US4391285A (en) * 1980-05-09 1983-07-05 Philip Morris, Incorporated Smoking article
US4347855A (en) * 1980-07-23 1982-09-07 Philip Morris Incorporated Method of making 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
US4714082A (en) * 1984-09-14 1987-12-22 R. J. Reynolds Tobacco Company Smoking article
US5042509A (en) * 1984-09-14 1991-08-27 R. J. Reynolds Tobacco Company Method for making aerosol generating cartridge
US5076292A (en) * 1984-09-14 1991-12-31 R. J. Reynolds Tobacco Company Smoking article
US4793365A (en) * 1984-09-14 1988-12-27 R. J. Reynolds Tobacco Company Smoking article
US5067499A (en) * 1984-09-14 1991-11-26 R. J. Reynolds Tobacco Company Smoking article
US4854331A (en) * 1984-09-14 1989-08-08 R. J. Reynolds Tobacco Company Smoking article
US5027836A (en) * 1984-12-21 1991-07-02 R. J. Reynolds Tobacco Company Insulated smoking article
US5119834A (en) * 1985-04-15 1992-06-09 R. J. Reynolds Tobacco Company Smoking article with improved substrate
US4928714A (en) * 1985-04-15 1990-05-29 R. J. Reynolds Tobacco Company Smoking article with embedded substrate
US4989619A (en) * 1985-08-26 1991-02-05 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US5020548A (en) * 1985-08-26 1991-06-04 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US5105831A (en) * 1985-10-23 1992-04-21 R. J. Reynolds Tobacco Company Smoking article with conductive aerosol chamber
US4756318A (en) * 1985-10-28 1988-07-12 R. J. Reynolds Tobacco Company Smoking article with tobacco jacket
US4917128A (en) * 1985-10-28 1990-04-17 R. J. Reynolds Tobacco Co. Cigarette
US4732168A (en) * 1986-05-15 1988-03-22 R. J. Reynolds Tobacco Company Smoking article employing heat conductive fingers
US4771795A (en) * 1986-05-15 1988-09-20 R. J. Reynolds Tobacco Company Smoking article with dual burn rate fuel element
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
US4819665A (en) * 1987-01-23 1989-04-11 R. J. Reynolds Tobacco Company Aerosol delivery article
US4881556A (en) * 1988-06-06 1989-11-21 R. J. Reynolds Tobacco Company Low CO smoking article
US4981522A (en) * 1988-07-22 1991-01-01 Philip Morris Incorporated Thermally releasable flavor source for smoking articles
US4966171A (en) * 1988-07-22 1990-10-30 Philip Morris Incorporated Smoking article
US4991606A (en) * 1988-07-22 1991-02-12 Philip Morris Incorporated Smoking article
US5345951A (en) * 1988-07-22 1994-09-13 Philip Morris Incorporated Smoking article
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US4942888A (en) * 1989-01-18 1990-07-24 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
US5148821A (en) * 1990-08-17 1992-09-22 R. J. Reynolds Tobacco Company Processes for producing a smokable and/or combustible tobacco material
US5144967A (en) * 1990-10-22 1992-09-08 Kimberly-Clark Corporation Flavor release material
US5665262A (en) * 1991-03-11 1997-09-09 Philip Morris Incorporated Tubular heater for use in an electrical smoking article
US5750964A (en) * 1991-03-11 1998-05-12 Philip Morris Incorporated Electrical heater of an electrical smoking system
US5505214A (en) * 1991-03-11 1996-04-09 Philip Morris Incorporated Electrical smoking 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
US5573692A (en) * 1991-03-11 1996-11-12 Philip Morris Incorporated Platinum heater for electrical smoking article having ohmic contact
US5865185A (en) * 1991-03-11 1999-02-02 Philip Morris Incorporated Flavor generating article
US5708258A (en) * 1991-03-11 1998-01-13 Philip Morris Incorporated Electrical smoking system
US5613504A (en) * 1991-03-11 1997-03-25 Philip Morris Incorporated Flavor generating article and method for making same
US5816263A (en) * 1992-09-11 1998-10-06 Counts; Mary Ellen Cigarette for electrical smoking system
US6026820A (en) * 1992-09-11 2000-02-22 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
US5692525A (en) * 1992-09-11 1997-12-02 Philip Morris Incorporated Cigarette for electrical smoking system
US5915387A (en) * 1992-09-11 1999-06-29 Philip Morris Incorporated Cigarette for electrical smoking system
WO1994006313A1 (en) * 1992-09-11 1994-03-31 Philip Morris Products Inc. Tobacco flavor unit for electrical smoking articles
US5369723A (en) * 1992-09-11 1994-11-29 Philip Morris Incorporated Tobacco flavor unit for electrical smoking article comprising fibrous mat
US5666976A (en) * 1992-09-11 1997-09-16 Philip Morris Incorporated Cigarette and method of manufacturing cigarette for electrical smoking system
US5666978A (en) * 1992-09-11 1997-09-16 Philip Morris Incorporated Electrical smoking system for delivering flavors and method for making same
WO1996014762A1 (en) * 1994-11-16 1996-05-23 Rothmans International Services Limited Tobacco rod and/or filter for smoking article
US5649554A (en) * 1995-10-16 1997-07-22 Philip Morris Incorporated Electrical lighter with a rotatable tobacco supply
US20040173229A1 (en) * 2003-03-05 2004-09-09 Crooks Evon Llewellyn Smoking article comprising ultrafine particles
US20090151739A1 (en) * 2003-09-30 2009-06-18 August Joseph Borschke Smokable Rod for a Cigarette
US20050066986A1 (en) * 2003-09-30 2005-03-31 Nestor Timothy Brian Smokable rod for a cigarette
US20050066985A1 (en) * 2003-09-30 2005-03-31 Borschke August Joseph Smokable rod for a cigarette
US7503330B2 (en) 2003-09-30 2009-03-17 R.J. Reynolds Tobacco Company Smokable rod for a cigarette
US7753056B2 (en) 2003-09-30 2010-07-13 R. J. Reynolds Tobacco Company Smokable rod for a cigarette
US7334892B2 (en) 2004-12-03 2008-02-26 Searete Llc Method and system for vision enhancement
US10188140B2 (en) 2005-08-01 2019-01-29 R.J. Reynolds Tobacco Company Smoking article
US8678013B2 (en) 2005-08-01 2014-03-25 R.J. Reynolds Tobacco Company Smoking article
US20100186757A1 (en) * 2005-08-01 2010-07-29 Crooks Evon L Smoking Article
US9220301B2 (en) 2006-03-16 2015-12-29 R.J. Reynolds Tobacco Company Smoking article
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US20070215167A1 (en) * 2006-03-16 2007-09-20 Evon Llewellyn Crooks Smoking article
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