EP2269475A1 - Filtre pour une cigarette sans fumée - Google Patents

Filtre pour une cigarette sans fumée Download PDF

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Publication number
EP2269475A1
EP2269475A1 EP09008579A EP09008579A EP2269475A1 EP 2269475 A1 EP2269475 A1 EP 2269475A1 EP 09008579 A EP09008579 A EP 09008579A EP 09008579 A EP09008579 A EP 09008579A EP 2269475 A1 EP2269475 A1 EP 2269475A1
Authority
EP
European Patent Office
Prior art keywords
filter
nicotine
cigarette
open
structures
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.)
Granted
Application number
EP09008579A
Other languages
German (de)
English (en)
Other versions
EP2269475B1 (fr
Inventor
Marcel Köller
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.)
Olig AG
Original Assignee
Olig AG
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 Olig AG filed Critical Olig AG
Priority to EP20090008579 priority Critical patent/EP2269475B1/fr
Publication of EP2269475A1 publication Critical patent/EP2269475A1/fr
Application granted granted Critical
Publication of EP2269475B1 publication Critical patent/EP2269475B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/066—Use of materials for tobacco smoke filters characterised by structural features in the form of foam or having cellular structure

Definitions

  • the following invention relates to a filter for a smoke-free cigarette and a smoke-free cigarette with at least one such filter.
  • Smoke-free cigarettes are known from the prior art in various embodiments.
  • a smoke-free cigarette that has a heat pipe that is heated by the flame of a lighter. Due to its high heat capacity, the heat pipe releases heat over a sufficiently long period of time so that the stimulant contained in a reservoir can evaporate.
  • a smoke-free cigarette which has a nicotine depot and which is characterized in that a heating of the guided through the nicotine depot airflow to release the nicotine is not required.
  • the nicotine reservoir contains a carrier that is already in its gas phase at ambient temperature.
  • the WO 2007/054167 A1 relates to a smokeless cigarette having a heater running with a current-carrying heating wire for heating a reservoir from which nicotine is released.
  • the present invention has for its object to develop a filter for a smoke-free cigarette.
  • the filter is designed such that the filter has a retention with respect to nicotine and / or the nicotine-containing compound and / or one, more or all of the flavoring substances when the cigarette is used of less than 30% by weight.
  • a filter has a retention of less than 20% by weight, preferably less than 15% by weight, and more preferably less than 10% by weight.
  • a filter according to the invention exhibits a retention of less than 5% by weight, preferably less than 2% by weight, more preferably less than 1% by weight and particularly preferably less than 0.5% by weight.
  • nicotine and / or nicotine-containing compounds and / or flavoring substances which according to the present invention include any flavorings, flavorings and the like, can pass through the filter largely or completely unhindered.
  • the filter according to the present invention does not influence the gas flow in a preferred embodiment of the invention or as little as possible.
  • nicotine, flavoring or flavors during the active phase i.
  • the filter preferably pass largely unfiltered.
  • the filter is designed such that it supports or guarantees the storage stability of the contents of the cigarette by having an intrinsic resistance and nicotine and / or flavorings only or substantially only with active pulling on the cigarette during its active phase the filter happen.
  • Filters according to the invention can therefore be designed in such a way that, when the cigarette is stored, ie when it is not used, it has a retention with respect to nicotine and / or the nicotine-containing compound and / or with respect to one, several or all of the flavorings, for example in the case of the 1-week period Storage of the cigarette z. B. at room temperature (25 ° C) and z. B. 30% humidity of more than 50 wt .-%, preferably of more than 75 wt .-%, preferably more than 90 wt .-% and particularly preferably more than 95 wt .-%.
  • the filter either additionally or exclusively a retention of one, several or all flavorings during storage, for. B. in the 1-week storage of the cigarette z. B. at room temperature (25 ° C) and at z. B. 30% humidity of more than 50 wt .-%, preferably of more than 75 wt .-%, preferably of more than 90 wt .-% and particularly preferably of more than 95 wt .-% to.
  • this filter can be modeled in its shape and its dimensions on a conventional cigarette filter.
  • it may be a circular cylindrical filter having a length of between about 0.5 cm and about 2 cm, preferably between about 1 cm and about 1.5 cm and a diameter of about 0.3 cm to about 1 cm, preferably about 0.4 cm to about 0.9 cm, and more preferably about 0.5 cm to about 0.8 cm act.
  • the filter does not necessarily have to be modeled on the shape of a conventional cigarette filter and, for example, can be much shorter or divided into several parts.
  • a mouthpiece consisting of a filter and a layer surrounding this filter for the consumer as possible to reproduce the haptic properties of a conventional cigarette.
  • a filter according to the invention preferably consists essentially of materials which are completely or substantially inert to substances present in the enriched air of a smoke-free cigarette, especially nicotine, but also other flavorings and flavorings.
  • the tendency to adsorb nicotine, or alkaloids in general, and various flavors and fragrances and carriers of the materials used is low, or the materials adsorb the substances mentioned in the usual use of the cigarette.
  • materials with a low tendency to adsorb for example, come into consideration, compared to the cellulose fibers in conventional cigarette filters by at least 50% lower adsorption of nicotine and at least 30% lower adsorption of flavors and aromas, preferably on all organic flavor and Show flavors.
  • the present invention further relates to a filter for a smoke-free cigarette, wherein the smoke-free cigarette nicotine and / or a nicotine-containing compound and / or one or more flavorings and wherein the filter of one or more open-pore polymer structures and / or open-cell synthetic Structures and / or microfiber synthetic structures and / or Perlon textile structures or comprises.
  • the filter is made of open-cell polymer foams, or it contains open-cell polymer foams.
  • Suitable polymeric foams include polyesters such as polyethylene terephthalate, polyphenylene sulfide; Polyolefins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, PTFE u. ⁇ ., Or polyamides, such as nylon or Perlon. Also, combinations of the above groups and examples, as well as others, hardly for the adsorption of Alkaloids prone plastics are suitable for producing such an open-pore polymer foam.
  • the filter is made wholly or partly of open-pore synthetic structures.
  • Suitable synthetic structures include spunbonded nonwovens, felts and / or fabrics of textile, plastic, ceramic, and / or glass fibers, preferably microfibers.
  • suitable microfibers have a yarn count of less than about 4 dtex, preferably less than about 2 dtex, more preferably less than 1 dtex.
  • the yarn count is between about 0.5 dtex and 0.7 dtex.
  • microfibers having a fiber diameter of about 10 microns to about 50 microns are used, preferably with a fiber diameter of about 20 microns to about 40 microns, and more preferably with a fiber diameter of about 30 microns.
  • Suitable materials for suitable plastic fibers in one embodiment also include polyesters such as polyethylene terephthalate, polyphenylene sulfide; Polyolefins such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, PTFE u. ⁇ ., Or polyamides, such as nylon or Perlon, and combinations thereof.
  • the filter consists of or has open-pore polymer and / or synthetic structures.
  • the filter is made wholly or partly from Perlon textile structures.
  • the filter may thus have or consist of perlon textile structures.
  • suitable textile structures include spunbonded fabrics, felts, and / or fabrics. Also related plastics such as nylon are particularly suitable for use in the invention.
  • the filter may further consist of or comprise microfiber synthetic structures.
  • Open-pore synthetic structures are interwoven or glued together in one embodiment.
  • a mixed construction of different polymer foams and / or open-pore synthetic structures and / or Perlon textile structures and / or microfiber synthetic structures is also possible.
  • the pore size of such polymer foams, synthetic structures or textile structures may be equal to or greater than the pore size of conventional cigarette filters.
  • the pore size of conventional cigarette filters of filters of the invention will exceed at least about 20%, about 50%, or about 100%.
  • the average pore size may be, for example, about 10 microns to about 50 microns, or greater than about 30 microns.
  • the filter should in one embodiment, the gas flow in its composition and dosage as little as possible or only slightly influence. It should thus be done preferably in the flow through the filter no or only a slight change in the composition in any case with respect to nicotine and / or flavorings or flavors.
  • the pore structure is able to regulate the draw resistance of the smokeless cigarette and thus to conform to the draw resistance of a conventional cigarette.
  • the draft resistance of the smokeless cigarette through the filter is increased by at least about 10%, in a preferred embodiment by at least about 25%, and in a particular preferred embodiment by at least about 40%.
  • the draw resistance of a filter according to the invention may for example be between about 2 kPa and about 6 kPa, preferably between about 3 kpA and about 5.5 kPa, more preferably between about 4 kPa and about 5 kPa.
  • the filter according to the invention may also be inhomogeneous, for example differing in its properties and / or in its design in different cross-sectional sections. So it is conceivable, for example, that a circular cylindrical filter in its core consists of an open-cell polymer foam, which on its outer side of an open-pore Synthetic structure is surrounded. It follows that the draw resistance in the middle of the filter, for example, may be smaller than at the edge regions of the filter. Thus, in one embodiment, it may be midway between about 2 kPa and about 5 kPa, and about 3 kPa to about 6 kPa in the edge region. Filters according to the invention also include those with flowing transitions and three- or multi-layered designs.
  • the invention also relates to a smoke-free cigarette which contains at least one filter according to the invention.
  • a smoke-free cigarette which contains at least one filter according to the invention.
  • Such a cigarette can, in a preferred embodiment, visually and emotionally reproduce the properties of a conventional cigarette as well as possible. This also applies to the use of the filter according to the invention.
  • the layer surrounding the filter should as far as possible not influence the gas flow, but essentially reproduce the haptic properties of a conventional cigarette mouthpiece in interaction with the filter.
  • paper is used as the material. Starch, hardness and additives of a preferred paper to be matched to the properties of the filter according to the invention to adapt to the overall impression of the consumer to a conventional mouthpiece despite the other haptic properties of the filter over conventional filters.
  • the cover layer, in particular paper layer has no or almost no pores, as may be the case in conventional light cigarettes.
  • a smoke-free cigarette according to the present invention is not intended to have absorbent materials sibling with the filter of the present invention which filter nicotine and / or flavor from the nicotine-enriched air while pulling on the cigarette, such as activated charcoal and / or silica grains. These would also undesirably cause nicotine, flavor and flavors can not pass unattenuated.
  • the filter may comprise the mouthpiece, form the mouthpiece or be part of the mouthpiece.
  • the single figure shows a longitudinal sectional view through a mouthpiece and filter of a smoke-free cigarette according to the invention.
  • the present embodiment relates to a mouthpiece with filter for a smoke-free cigarette.
  • the filter or mouthpiece consists of an outer paper layer 1, which serves for the tactile stabilization of the filter construction and the configuration of haptic optical and tactile properties of a conventional cigarette.
  • the paper layer 1 has the shape of a hollow cylinder.
  • the cylindrical filter layer 2 located inside the cylinder-shaped mouthpiece also fulfills several functions outside the active phase of the cigarette. It forms on the one hand a desorption barrier for nicotine as well as for aromas or flavorings during storage, and also a mechanical barrier for the subsequent use of tobacco as well as for a self-sufficient heat unit, which are not shown in the figure.
  • the filter continues to serve the train regulation during the Use of the smokeless cigarette and allows nicotine and flavoring or flavors preferably unattenuated, ie without or without significant depletion can pass through the filter.
  • the pore structure of the smokeless cigarette regulates its draw resistance.
  • the tobacco insert may be formed by a substrate comprising nicotine and one or more flavoring agents.
  • the heating unit may be arranged inside the cigarette and preferably comprise a medium which releases heat in a chemical reaction or in a physical transformation, in particular in a crystallization.
  • a crystallization medium for example, a salt hydrate such as e.g. Sodium acetate trihydrate into consideration.
  • the crystallization medium may be present as a supersaturated solution which crystallizes upon activation, thereby releasing heat.
  • This heat serves to promote or even initiate the desorption of nicotine and / or flavorings and / or flavors from a substrate.
  • the present embodiment thus relates to a smoke-free cigarette with an internal self-sufficient, i. no energy or heat input from the outside requiring heat unit and / or with a matrix containing nicotine and / or flavorings and / or flavorings.
  • the tobacco or said matrix may partially or completely surround the heating unit.
  • a reverse arrangement heat unit surrounding the tobacco or the matrix partially or completely is conceivable.
  • the filter layer further serves to regulate tension during the active phase, ie during use of the smokeless cigarette.
  • the filter material itself consists for example of open-cell polymer foams or comprises these.
  • organically structured foams are possible.
  • the filter material may consist of one or more of these substances or comprise one or more of these substances.
  • the filter may comprise the mouthpiece, form the mouthpiece or be part of the mouthpiece.
  • the filter material preferably has neutral properties so that on the one hand nicotine, aroma and flavorings can pass completely or substantially unhindered or undamped, on the other hand preferably a reactionless or largely reactionless long-term stability with respect to nicotine and / or flavorings and / or flavors is ensured.
  • the filter of the gas flow does not change or only to a small extent with regard to composition and dosage.
  • the extent of the change is preferably less than 10% or less than 5%, and especially preferably less than 2% or 1%.
  • the filter has the property that the shelf life of the cigarette is ensured over an extended period of time, for example, several weeks or months, since it constitutes a desorption barrier for all or at least some of the desorbable substances contained in the smokeless cigarette.
  • the present invention relates not only to cigarettes in the true sense, but also cigars, cigarillos, etc.
  • the term "cigarette” thus stands for both cigarettes and cigars, cigarillos etc.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP20090008579 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée Not-in-force EP2269475B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090008579 EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090008579 EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

Publications (2)

Publication Number Publication Date
EP2269475A1 true EP2269475A1 (fr) 2011-01-05
EP2269475B1 EP2269475B1 (fr) 2013-08-14

Family

ID=41258555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090008579 Not-in-force EP2269475B1 (fr) 2009-06-30 2009-06-30 Filtre pour une cigarette sans fumée

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140352708A1 (en) * 2013-05-30 2014-12-04 Seng C. Tan Filters for Cigarettes, Pipes, and Cigars and Related Products
CN106686991A (zh) * 2014-09-26 2017-05-17 菲利普莫里斯生产公司 包括新型递送增强化合物源的气溶胶生成系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1029462A1 (fr) * 1999-02-18 2000-08-23 Jong-Pyng Hsu Filtre pour la fumée de tabac et méthode pour fabriquer une cigarette ayant un tel filtre
EP0859558B1 (fr) 1995-11-09 2000-10-11 Rhodia Acetow GmbH Cigarette filtre
DE102005034169A1 (de) 2005-07-21 2007-02-01 NjoyNic Ltd., Glen Parva Rauchfreie Zigarette
WO2007054167A1 (fr) 2005-11-11 2007-05-18 Hauni Maschinenbau Ag Cigarette sans fumee
WO2007090594A1 (fr) 2006-02-03 2007-08-16 Bel Air International Corp. Cartouche de nicotine à usage unique destinée à une cigarette sans fumée et cigarette sans fumée comprenant une telle cartouche de nicotine à usage unique
WO2008113335A2 (fr) * 2007-03-16 2008-09-25 Hoffmann Hans-Juergen Cigarette sans fumée et procédé de fabrication associé

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0859558B1 (fr) 1995-11-09 2000-10-11 Rhodia Acetow GmbH Cigarette filtre
EP1029462A1 (fr) * 1999-02-18 2000-08-23 Jong-Pyng Hsu Filtre pour la fumée de tabac et méthode pour fabriquer une cigarette ayant un tel filtre
DE102005034169A1 (de) 2005-07-21 2007-02-01 NjoyNic Ltd., Glen Parva Rauchfreie Zigarette
WO2007054167A1 (fr) 2005-11-11 2007-05-18 Hauni Maschinenbau Ag Cigarette sans fumee
WO2007090594A1 (fr) 2006-02-03 2007-08-16 Bel Air International Corp. Cartouche de nicotine à usage unique destinée à une cigarette sans fumée et cigarette sans fumée comprenant une telle cartouche de nicotine à usage unique
WO2008113335A2 (fr) * 2007-03-16 2008-09-25 Hoffmann Hans-Juergen Cigarette sans fumée et procédé de fabrication associé

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140352708A1 (en) * 2013-05-30 2014-12-04 Seng C. Tan Filters for Cigarettes, Pipes, and Cigars and Related Products
CN106686991A (zh) * 2014-09-26 2017-05-17 菲利普莫里斯生产公司 包括新型递送增强化合物源的气溶胶生成系统
CN106686991B (zh) * 2014-09-26 2018-11-02 菲利普莫里斯生产公司 包括新型递送增强化合物源的气溶胶生成系统
US10485261B2 (en) 2014-09-26 2019-11-26 Philip Morris Products S.A. Aerosol-generating system comprising a novel delivery enhancing compound source

Also Published As

Publication number Publication date
EP2269475B1 (fr) 2013-08-14

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