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WO2009024868A2 - Article à fumer ayant une technologie de distribution de dioxyde de carbone pour une filtration de carbone améliorée de façon sensorielle et procédé de fabrication dudit article à fumer - Google Patents

Article à fumer ayant une technologie de distribution de dioxyde de carbone pour une filtration de carbone améliorée de façon sensorielle et procédé de fabrication dudit article à fumer Download PDF

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Publication number
WO2009024868A2
WO2009024868A2 PCT/IB2008/002995 IB2008002995W WO2009024868A2 WO 2009024868 A2 WO2009024868 A2 WO 2009024868A2 IB 2008002995 W IB2008002995 W IB 2008002995W WO 2009024868 A2 WO2009024868 A2 WO 2009024868A2
Authority
WO
WIPO (PCT)
Prior art keywords
carbon dioxide
sorbent
smoking article
carbon
filter
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.)
Ceased
Application number
PCT/IB2008/002995
Other languages
English (en)
Other versions
WO2009024868A3 (fr
WO2009024868A4 (fr
Inventor
Firooz Rasouli
Andrey Bagreev
Weijun Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Publication of WO2009024868A2 publication Critical patent/WO2009024868A2/fr
Publication of WO2009024868A3 publication Critical patent/WO2009024868A3/fr
Publication of WO2009024868A4 publication Critical patent/WO2009024868A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/60—Final treatment of cigarettes, e.g. marking, printing, branding, decorating
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/166—Silicic acid or silicates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Definitions

  • a smoking article comprising tobacco, a filter and a charge of carbon dioxide gas.
  • the charge of carbon dioxide gas provides at least about 10% more carbon dioxide on average for all puffs than a traditional cigarette so as to improve the taste of mainstream smoke.
  • the filter may include a first or a first and second sorbent.
  • the or one of the sorbents may be contained in a hollow tube or cavity or both.
  • the hollow tube may include a seal so as to retain carbon dioxide within the hollow tube.
  • Figure 1 is a perspective view of a cigarette charged with carbon dioxide.
  • Figure 2 is a graph comparing the carbon dioxide levels during the initial puffs of the smoking article charged with carbon dioxide of Figure 1 and a traditional cigarette
  • Figures 3A and 3B are perspective views of preferred embodiments of a smoking article charged with carbon dioxide and including a carbon molecular sieve.
  • Figure 4 is a graph showing the amount of carbon dioxide in the first puff of a smoking article based on the amount of carbon molecular sieve present in the smoking article and the amount of carbon dioxide on average in all puffs based on the amount of carbon molecular sieve present in the filter.
  • Figure 5 is a graph showing the concentration of carbon dioxide in the first through seventh puffs of a smoking article including carbon on tow and a smoking article including carbon on tow, a carbon molecular sieve, and a charge of carbon dioxide.
  • Figure 6 is a perspective view of a preferred embodiment of a smoking article having a filter including tubes containing carbon dioxide and a sorbent.
  • Figure 7 is an illustration of the hollow tubes of Figure 6.
  • Figure 8 is a perspective view of a hollow tube shown in Figures 6 and 7.
  • Figure 9 is front view of an embodiment of a package for containing the smoking articles of Figures 1 , 3 and 6.
  • Figure 10 is a top view of the package of Figure 9.
  • Figure 11 is a graph showing the effect of the carbon dioxide charge on smoke chemistry
  • smoking articles is intended to include elongated smoking articles, such as cigarettes and cigars.
  • Non-traditional cigarettes such as cigarettes for electrical smoking systems as described in commonly-assigned US 6 026 820; US 5 988 176; US 5 915 387; US 5 692 526; US 5 692 525; US 5 666 976; US 5 345 951 ; US 4 991 606; US 4 966 171 and US 5 499 636, the disclosures of which are hereby incorporated by reference herein in their entireties, are also included in the definition of smoking articles or cigarettes generally.
  • traditional cigarette describes filtered, preferably low tar, cigarettes including a sorbent that do not carry a carbon dioxide charge as described herein
  • smoking is intended to include the heating, combusting or otherwise causing release of mainstream smoke from tobacco
  • mainstream smoke refers to the mixture of gases passing down the smoking article and issuing through the filter end, e g , the amount of smoke issuing or drawn from the mouth end of a cigarette during smoking of the cigarette.
  • the mainstream smoke contains smoke that is drawn in through both the lighted region, as well as through the cigarette paper wrapper
  • side stream smoke refers to smoke produced during static burning
  • initial puffs refers to the first, second, third and/or fourth puffs taken after lighting and/or heating a cigarette or smoking article
  • all puffs refers to all puffs taken during the use of a smoking article
  • sorption includes filtration by absorption and/or adsorption Sorption encompasses interactions on the outer surface of the sorbent, as well as interactions within the pores and channels of the sorbent Sorption also describes the loading of carbon dioxide on a carbon molecular sieve
  • the term "sorbent” refers to a substance that can condense or hold molecules of other substances on its surface, and/or can take up other substances, i e , through penetration of the other substances into its inner structure, or into its pores Accordingly, the term “sorbent” as used herein refers to either an adsorbent, an absorbent, or a substance that can function as both an adsorbent and an absorbent As used herein, the term “remove” refers to adsorption and/or absorption of at least some portion of at least one constituent of mainstream smoke
  • carbon dioxide charge As used herein, the terms “carbon dioxide charge,” “charge of carbon dioxide,” and “charged” refers to the addition of and a supply of carbon dioxide in a smoking article component
  • the charge of carbon dioxide can be added by passing carbon dioxide through the smoking article and/or filter or by incorporating a carbon dioxide filled tube or other such container that sealingly retains carbon dioxide at ambient temperature and/or pressure within the filter
  • charge and “charging” also refer to the act of passing carbon dioxide through and/or supplying carbon dioxide to the smoking article and/or filter
  • a smoking article having a charge of carbon dioxide so as to increase the amount of carbon dioxide in mainstream smoke during smoking of the smoking article, thereby enhancing the flavor thereof
  • the carbon dioxide provides a "mouthfeel” effect similar to that of a carbonated soda (in contrast to a flat soda), thereby improving the taste of the smoking article
  • carbon dioxide adsorbed on a carbon adsorbent can reduce the initial activity of the carbon adsorbent, due to the blocking of the smallest micropores, thereby preventing the removal of some aroma compounds
  • the loading of carbon dioxide on activated carbon and/or a carbon molecular sieve in a filter may reduce the "carbon taste" some American smokers associate with carbon filtration
  • the smoking article provides at least about 10% more carbon dioxide on average in all puffs than a traditional cigarette, and more preferably at least about 20% more carbon dioxide on average in all puffs, (e g at least about 30%, at least about 40%, at least about 50%, at least about 60%, at least about 70%, at least about 80%, at least about 90%, at least about 100%) Also preferably, the smoking article provides at least about 25% more carbon dioxide in the initial puffs as compared to a traditional cigarette
  • a smoking article 10 includes a filter 12, a tobacco rod 14, and a charge of carbon dioxide
  • the filter 12 includes a first filter segment 16 and a sorbent 18
  • the sorbent is in the form of carbon on tow (COT) 18
  • the sorbent is a carbon molecular sieve in the form of beads, granules, pellets, carbon molecular sieve on tow, and the like
  • the filter 12 is joined to the tobacco rod 14 by tipping paper 22
  • a ventilation zone 8 is established with a first row (and optionally second and possibly third rows) of ventilation holes through the tipping paper 22
  • the ventilation zone 8 achieves a ventilation level of the smoking article of at least 25% and more preferably at least 50% to 90%
  • the charge of carbon dioxide can be introduced into the smoking article by attaching a smoking article to a gas line with a flexible rubber septa and then passing 100% carbon dioxide gas into and through the smoking article 10 and/or filter 12 for at least about one minute, and more preferably at least about 2 minutes, prior to packaging so as to provide a charge of carbon dioxide in the smoking article which increases the amount of carbon dioxide in mainstream smoke at least during the initial puffs of the smoking article.
  • the smoking article is placed in a sealed container immediately after charging the smoking article with carbon dioxide to thereby retain the elevated carbon dioxide level charged into the smoking article until release during smoking.
  • the carbon dioxide is stored on the carbon-on-tow filter material (COT) while in the sealed container to thereby avoid the carbon on tow releasing the carbon dioxide under atmospheric pressure and/or temperature conditions.
  • COT carbon-on-tow filter material
  • Figure 2 is a graph comparing the carbon dioxide concentration of the initial puffs of the smoking article of Figure 1 , charged with carbon dioxide, and a traditional filtered smoking article when tested under Federal Trade Commission (FTC) conditions (35cm 3 per 2 seconds) on a standard smoking machine.
  • FTC Federal Trade Commission
  • the first and second puffs of the smoking article of Figure 1 have a higher concentration of carbon dioxide as compared to the traditional cigarette indicating better flavor in the first and second puffs.
  • the carbon dioxide charge increases the amount of carbon dioxide at least in the initial puffs thereby enhancing the flavor of the initial puffs.
  • Exemplary sorbents for use in the filter 12 include molecular sieves such as zeolites (e.g. Type 4A, 13X, etc.), silicas, silicates (e.g. aluminosilicates), aluminas, carbon molecular sieves and/or carbons (e.g. activated carbon).
  • the filter includes about 30mg to about 250mg of the sorbent.
  • activated carbon any porous, high surface area form of carbon.
  • Activated carbon can be derived via thermal treatment of any suitable carbon source. The activation treatment typically increases the porosity, and activated carbon can be provided with a wide range of pore sizes or the pore sizes can be controlled to provided a desired pore size distribution.
  • the activated carbon can be in the form of beads, granules, fibers, pellets, carbon on tow, carbon paper, and the like.
  • activated carbon can have any desired pore size distribution that comprises pores such as micropores, mesopores and macropores.
  • microporous generally refers to such materials having pore sizes of about 20 Angstrom (A) or less while the term “mesoporous” generally refers to such materials with pore sizes of about 20A to about 500A.
  • the activated carbon is adapted to adsorb constituents of mainstream smoke, particularly, those of the gas phase including aldehydes, ketones and other volatile organic compounds, and in particular 1 ,3-butad ⁇ ene, acrolein, isoprene, propionaldehyde, acrylonitrile, benzene, toluene, styrene, acetaldehyde and hydrogen cyanide.
  • a sorbent such as activated carbon
  • a charge of carbon dioxide is added to the filter to increase the amount of carbon dioxide in the initial puffs of the smoking article, thereby enhancing the flavor thereof.
  • the sorbent is a carbon molecular sieve. Because a carbon molecular sieve has a smaller average pore size with a narrow distribution as compared to activated carbon, the carbon molecular sieve does not adsorb constituents of mainstream smoke as effectively as the activated carbon, but is suitable for adsorption and storage of small molecules such as carbon dioxide.
  • suitable types of tobacco materials that can be used in the tobacco rod 14 of the smoking article 10 include, but are not limited to, flue-cured tobacco, Burley tobacco, Maryland tobacco, Oriental tobacco, rare tobacco, specialty tobacco, blends thereof and the like
  • the tobacco material may be provided in any suitable form, including, but not limited to, tobacco lamina, processed tobacco materials, aged tobacco such as volume expanded or puffed tobacco, processed tobacco stems, such as cut-rolled or cut-puffed stems, reconstituted tobacco materials, blends thereof, and the like Tobacco substitutes may also be used
  • the tobacco is normally used in the form of cut filler, / e , in the form of shreds or strands cut into widths ranging from about 2mm to about 1 mm or even about 0 5mm The lengths of the strands range from between about 5mm to about 80mm
  • An exemplary cigarette can include between about 300mg and about 750mg of tobacco, preferably around 550mg for a standard cigarette
  • the cigarettes may further comprise one or more flavors, or suitable diluents (e g , burn diluents, combustion modifying agents, coloring agents, binders, etc )
  • the smoking article 10 includes a filter 12, a tobacco rod 14, and a carbon dioxide charge
  • the filter includes a first filter segment 16, located at the downstream end of the smoking article 10, a first sorbent 18 and a second sorbent 25 that is capable of absorbing and retaining carbon dioxide prior to use, and also capable of releasing carbon dioxide due to the force of a puff
  • heating and/or burning the smoking article aids in the release of the carbon dioxide from the second sorbent
  • the smoking article 10 is preferably stored in a sealed container immediately after charging the smoking article 10 with carbon dioxide so as to maintain the carbon dioxide levels in the smoking article 10.
  • a smoking article 10 left at atmospheric temperature and pressure for about 5 minutes loses about 40% of the carbon dioxide charge.
  • the smoking article 10 is stored in a sealed container within 5 minutes of charging a sorbent in the smoking article with carbon dioxide, and more preferably within about 2 minutes to about 3 minutes of loading the sorbent with carbon dioxide.
  • the smoking article 10 remains in a sealed container until use.
  • the smoking article 10 is used within 1 minute to about 10 minutes of removing the smoking article 10 from the sealed container. Otherwise, the carbon dioxide loaded on the sorbent is released into the atmosphere.
  • the second sorbent 25 occupies a cavity between sections of the first sorbent 18, which is preferably carbon on tow (COT) and/or a carbon molecular sieve in the form of beads, pellets, granules, carbon molecular sieve on tow and the like.
  • the smoking article 10 is charged with carbon dioxide prior to packaging so that the average carbon dioxide level at least in the initial puffs is higher than that of a traditional cigarette by at least about 10%.
  • the filter 12 is attached to the tobacco rod 14 by a tipping paper 22, which preferably circumscribes both the entire length of the filter 12 and an adjacent region of the tobacco rod 14.
  • the tipping paper 22 is typically a paper like product; however, any suitable material can be used.
  • the cavity holding the second sorbent 25 may be taped with an adhesive on overtipping paper 19 having low gas permeability to slow the release of the carbon dioxide charge from the second sorbent.
  • the overtipping paper 19 circumscribes a portion of COT plugs 18 on either side of the cavity.
  • a ventilation zone 8 is upstream and/or downstream of the cavity, but does not overlap the cavity.
  • the second sorbent 25 includes a carbon molecular sieve material, such as high density carbon beads, granules, pellets, carbon molecular sieve-on-tow and the like, having an average particle size of about 1 mm, and fine micropores, such as the carbon molecular sieve available from SKC Inc. or the carbon molecular sieve described in US 4 820 681 , the entire content of which is incorporated herein by reference.
  • the filter 14 includes at least about 20 mg of carbon molecular sieve, more preferably at least about 50 mg.
  • the filter in addition to the first filter segment 16, may include an additional filter segment 11 upstream of the carbon molecular sieve 25.
  • the first filter segment 16 and the optional upstream filter segment 11 are made of cellulose acetate tow having a low resistance to draw (RTD)
  • RTD resistance to draw
  • any suitable filtering material can be used
  • a graph shows the carbon dioxide content in a first puff and the average carbon dioxide content in all puffs as a function of various amounts of carbon molecular sieve present in the filter
  • the amount of carbon dioxide released rises in relation to the amount of carbon molecular sieve present in the filter indicating that the carbon molecular sieve aids in retaining the carbon dioxide in the smoking article prior to use, but effectively releases the carbon dioxide due to the force of a puff
  • the inclusion of carbon molecular sieve in the filter results in a higher concentration of carbon dioxide in at least the initial puffs, and preferably for all puffs, which in turn improves the flavor thereof
  • the increase in carbon dioxide is believed to be due to the ability of the carbon molecular sieve to absorb the carbon dioxide when the smoking article is charged, and also to the ability of the carbon molecular sieve to release the carbon dioxide due to the force of a puff
  • the carbon molecular sieve material dried to less than about 2% water content is loaded with carbon dioxide under ambient temperature and pressure conditions
  • a gram of carbon molecular sieve material can be loaded with 70mg to 80mg of carbon dioxide
  • a cigarette including 90mg of carbon on tow, 100mg carbon molecular sieve and a carbon dioxide charge are smoked on a standard smoking machine under Federal Trade Commission (FTC) conditions (35cm 3 per 2 seconds) and compared to a traditional cigarette containing 120mg of carbon on tow and not charged with carbon dioxide As shown, the carbon dioxide levels of the initial puffs are higher for the cigarette containing 100mg carbon molecular sieve and charged with carbon dioxide indicating enhanced flavor in the initial puffs
  • FTC Federal Trade Commission
  • a smoking article 10 in the form of a cigarette includes a filter 12, a tobacco rod 14, and a carbon dioxide charge
  • the filter 12 includes a first sorbent 18 and a second sorbent 25 that is capable of absorbing and retaining carbon dioxide prior to use, and also capable of releasing the carbon dioxide when a puff is taken
  • the second sorbent 25 and the charge of carbon dioxide are contained in at least one hollow tube 30
  • a charge of carbon dioxide may also be contained in the first sorbent 18
  • the first sorbent 18 is in the form of carbon on tow that surrounds the one or more hollow tubes 30
  • the hollow tube 30 is a permeable, semi-permeable, and/or impermeable tube 30 within the filter 12
  • each of the one or more hollow tubes 30 is sealed by a seal 31 (shown in Figure 8) that breaks due to the force of a puff
  • the seal 31 is preferably used to immobilize the contents of the hollow tubes 30, and thus reduce dissipation of the charge of carbon dioxide and/or the carbon molecular sieve until the seal 31 is broken, ruptured, or perforated
  • the seal 31 is a frangible material, such as a polymer, which is capable of both sealing the hollow tube 30, as well as breaking, rupturing, and/or perforating on demand.
  • the seal 31 is designed to break when smoke is drawn through the filter.
  • the seal 31 is made of sugar or pectin, which can also be provided to flavor filtrate, such as smoke filtrate, contacting the seal 31 if desired.
  • a single seal 31 can be used to seal the downstream ends of multiple tubes 30 and another single seal 31 can be used to seal upstream ends of the tubes 30, as shown in Figure 8
  • the hollow tubes 30 are oriented in a direction in which smokes travels through the smoking article so that the smoke can pass through the lumens of the tubes 30 to contact the sorbent 25 and release the charge of carbon dioxide contained therein
  • the hollow tubes 30 are approximately parallel to one another in order to allow the smoke to evenly penetrate the hollow tubes 30.
  • the hollow tubes 30 are sized to a length less than the length of the filter 12 so that the entire length of each of the hollow tubes 30 can fit within the area of the filter 12 as the hollow tubes 30 are aligned in the direction of the smoke flow.
  • the inner diameter of the hollow tubes 30 is about 0 5mm to about 3 0mm
  • the filter 12 includes 1 to 10 hollow tubes 30 (e g , 1 to 3, 3 to 5, 5 to 7 or 7 to 10).
  • the hollow tube 30 is charged by first sealing the second sorbent 25 in the tube 30 and then charging the tube 30 and the second sorbent 25 with carbon dioxide through a slow diffusion process
  • most of the charge of carbon dioxide will be absorbed by the second sorbent 25, and the remainder of the charge will fill the tube 30
  • the tubes 30 containing the second sorbent 25 are charged with carbon dioxide and then sealed with a seal 31 in a carbon dioxide atmosphere
  • Smoking articles having carbon dioxide in one or more sealed tubes or other sealed arrangement can be packaged with conventional packaging materials
  • a smoking article 10 charged with carbon dioxide is placed in a sealed container, such as the container shown in Figures 9 and 10
  • the container 50 has multiple compartments 52, each sized and configured to hold and sealingly retain one smoking article 10 therein
  • flavorants can be inserted into the compartments 52 of the container
  • each compartment 52 may be charged with carbon dioxide prior to sealing a smoking article 10 including a first and/or second sorbent therein
  • each compartment 52 is charged with 100% carbon dioxide gas
  • a seal 65 contains the smoking article and/or carbon dioxide charge within each compartment 52.
  • each smoking article 10 can be individually wrapped and/or inserted in a conventional cigarette pack.
  • Table 1 shows the effect of the addition of a carbon molecular sieve on ventilation (VENT), resistance to draw (RTD), and total particulate matter (TPM), as well as the average amount of carbon dioxide in all puffs of a smoking article, as compared to a cigarette containing 120mg COT.
  • VENT carbon molecular sieve on ventilation
  • RTD resistance to draw
  • TPM total particulate matter
  • the delivery of carbon dioxide per cigarette containing 90mg carbon on tow and 100mg of carbon dioxide charged carbon molecular sieve increased about 77% on average for all puffs as compared to a cigarette including only 120mg carbon on tow
  • the ventilation and RTD is similar to that of the cigarette not including the carbon molecular sieve, suggesting that the carbon molecular sieve does not significantly affect smoke chemistry, but does enhance the delivery of carbon dioxide
  • the addition of the carbon molecular sieve resulted in the reduction of more gas constituents as compared to traditional cigarettes including 120 mg of carbon on tow
  • the presence of the carbon molecular sieve reduces the amount of acetaldehyde, isoprene, and carbonyl sulfide despite the inability of carbon molecular sieve to adsorb constituents of mainstream smoke as effectively as activated carbon
  • Also provided herein is a method of making a smoking article having increased carbon dioxide delivery technology so as to improve the taste of the initial puffs

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

L'invention porte sur un article à fumer (10) comprenant un filtre (12), une tige de tabac (14), et une charge de dioxyde de carbone qui peut être stockée sur un sorbant (18). La charge de dioxyde de carbone fournit des niveaux élevés de dioxyde de carbone lorsque l'on fume pour augmenter le goût et la pratique sensorielle du fumeur.
PCT/IB2008/002995 2007-08-17 2008-08-15 Article à fumer ayant une technologie de distribution de dioxyde de carbone pour une filtration de carbone améliorée de façon sensorielle et procédé de fabrication dudit article à fumer Ceased WO2009024868A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93554307P 2007-08-17 2007-08-17
US60/935,543 2007-08-17

Publications (3)

Publication Number Publication Date
WO2009024868A2 true WO2009024868A2 (fr) 2009-02-26
WO2009024868A3 WO2009024868A3 (fr) 2009-10-15
WO2009024868A4 WO2009024868A4 (fr) 2009-12-17

Family

ID=40361996

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/002995 Ceased WO2009024868A2 (fr) 2007-08-17 2008-08-15 Article à fumer ayant une technologie de distribution de dioxyde de carbone pour une filtration de carbone améliorée de façon sensorielle et procédé de fabrication dudit article à fumer

Country Status (2)

Country Link
US (2) US20090044816A1 (fr)
WO (1) WO2009024868A2 (fr)

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US9282772B2 (en) 2012-01-31 2016-03-15 Altria Client Services Llc Electronic vaping device
CN104349686B (zh) * 2012-05-31 2018-11-23 菲利普莫里斯生产公司 具有同心过滤嘴的发烟制品
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
USD695449S1 (en) 2013-01-14 2013-12-10 Altria Client Services Inc. Electronic smoking article
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
USD760947S1 (en) 2013-03-26 2016-07-05 Kind Consumer Limited Inhaler
BR302014001648S1 (pt) 2013-10-14 2015-06-09 Altria Client Services Inc Configuração aplicada em artigo de fumo
USD758650S1 (en) * 2014-10-16 2016-06-07 Shenzhen Smaco Technology Limited Electronic cigarette device
AR108880A1 (es) * 2016-06-27 2018-10-03 Philip Morris Products Sa Artículo para fumar con ajuste de la eficiencia de ventilación y filtración combinadas
US10212964B2 (en) * 2016-07-07 2019-02-26 Altria Client Services Additive assembly for electronic vaping device
GB201818711D0 (en) 2018-11-16 2019-01-02 Nicoventures Trading Ltd Method
KR102571394B1 (ko) * 2020-10-14 2023-08-25 주식회사 케이티앤지 흡연재료의 가향숙성방법 및 이를 이용하여 제조된 흡연물품

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768913A (en) * 1954-10-22 1956-10-30 Ohio Commw Eng Co Cigarette filter tips from dextran
US4820681A (en) * 1987-12-24 1989-04-11 Allied-Signal Inc. Preparation of hydrophobic carbon molecular sieves
US4966171A (en) * 1988-07-22 1990-10-30 Philip Morris Incorporated Smoking article
US5692525A (en) * 1992-09-11 1997-12-02 Philip Morris Incorporated Cigarette for electrical smoking system
TW536395B (en) * 1998-04-16 2003-06-11 Rothmans Benson & Hedges Cigarette sidestream smoke treatment material
US7240678B2 (en) * 2003-09-30 2007-07-10 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US7503960B2 (en) * 2005-03-15 2009-03-17 Philip Morris Usa Inc. Smoking articles and filters with carbon fiber composite molecular sieve sorbent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10070664B2 (en) 2014-07-17 2018-09-11 Nicoventures Holdings Limited Electronic vapor provision system

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WO2009024868A4 (fr) 2009-12-17
US20090044816A1 (en) 2009-02-19

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