CN1407861A - Item for smoking - Google Patents
Item for smoking Download PDFInfo
- Publication number
- CN1407861A CN1407861A CN01805959A CN01805959A CN1407861A CN 1407861 A CN1407861 A CN 1407861A CN 01805959 A CN01805959 A CN 01805959A CN 01805959 A CN01805959 A CN 01805959A CN 1407861 A CN1407861 A CN 1407861A
- Authority
- CN
- China
- Prior art keywords
- cigarette
- filter tip
- described ventilation
- filtration fraction
- filtration
- 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
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
- 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
- A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
-
- 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
- A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
-
- 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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
-
- 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
Abstract
The invention relates to a ventilated filter cigarette, comprising a covered tobacco strand (11) and a filter (20) with ventilation means, with at least two filter pieces (22, 23). Ventilation holes (14) are arranged in the region of the mouthward filter piece (22). Furthermore, the mouthward filter piece (22) is made from a single filter segment (22), whilst the strandward filter piece (23) comprises a filter segment with a core (24) and a shell (26), a so-called coaxial filter piece or a coaxial filter.
Description
The present invention relates to a kind of cigarette with filter tip of the preamble according to claim 1.
The filtration that is used for inserting cigarette filter that comprises filtration fraction that several have dissimilar material properties is used to solve different problems in the prior art.In addition, filter-tip aeration is used to guarantee a kind of smoking of appropriateness and the suction of low harmful substance.
EP 474 940 B2 and EP 608 047 B1 have illustrated cigarette filter, and the core at one of them middle part comprises a kind of filtering material different with cover.This cigarette filter also is referred to as nuclear or coaxial filtration members.In the embodiment of EP 474 940 B2 (Fig. 5), this filter tip comprises two fillter sections longitudinally, just be somebody's turn to do the bar side core filtration fraction of ventilation and the single filtration fraction of a mouth side, wherein the purpose of the single filtration fraction of this mouth side has been an aesthetic effect.The shortcoming of above-mentioned cigarette filter is, the sealing of the inner core of this nuclear fillter section comprises a kind of material that cigarette is seen through of being used to, thereby cigarette can be perpendicular to the core of nuclear filtration members and the boundary layer flow between the cover.
EP 0 558 166 B1 have described a kind of cigarette with filter tip of ventilation, and it comprises one equally at the single fillter section of mouth end and the nuclear fillter section of a bar side.But this cigarette with filter tip has a cavity between these two filter elements, wherein is filled with a kind of adsorbing medium (for example activated carbon).Consequently, and since this adsorbing medium, the composition generation strong variations of the taste of cigarette and cigarette component, thus make many smokers not accept.
EP 0 880 904 A1 and DE 39 01 226 C1 are not only coaxial this task of finishing that is provided with that the cigarette bar also is a filtration members by a kind of, promptly realize a kind of cigarette with low especially flocculation value, and this at first reaches by the coaxial configuration of this cigarette bar.But the shortcoming of this structure is to be used for the cost height of the necessary special process equipment of processing of this coaxial cigarette bar.
The task of EP 539 191 B1 is to prepare to provide the cigarette with filter tip of the light especially ventilation of a kind of weight.Its shortcoming is, (be not only cigarette bar and be filter-tip) used material thickness is all essential minimum, so that realize the cigarette that a kind of weight is light especially, but it is very limited to make the variation possibility of this cigarette.Ventilating zone is in the filtration fraction of bar side herein.
Present inventor's task is, a kind of cigarette with filter tip of ventilation is provided, it does not have above-mentioned shortcoming, and the effect of its filter element is the particle phase that reduces flue gas (for example nicotine), and realize simultaneously that thus a kind of superproportional decline of gas phase flue gas composition, the flue gas that wherein is filtered have kept for consumers acceptable component on the sense of taste.
The bigger variation possibility that can provide under the situation of above-mentioned advantage about sensation, sense of touch and visual aspects is provided this filtration members in addition.
Another task is, from the confining force of this filtration members, remove the tension resistance of filtration members, that is realize flue gas is comprised the raising of the retardance ability of material, and needn't stand being increased sharply of tension resistance, as its in the traditional filtering structure inevitably.
Another task of the present invention is, for market provides a kind of product with above-mentioned advantage, and on market, the chamber filtration members, especially such chamber filtration members that is filled with activated carbon is not only owing to sense of taste reason but also because sense of touch is former thereby be rejected.
The first described class cigarette with filter tip of literary composition is enough to solve above-mentioned task, and it also has the feature that claim 1 is indicated in addition.
The present invention will be described below in conjunction with embodiment:
Fig. 1 schematic representation according to the structure of cigarette with filter tip of the present invention.
Fig. 2 schematic representation according to the structure of another form of implementation of cigarette with filter tip of the present invention.
This cigarette with filter tip comprises a bar part 10 and a filter tip 20. Cigarette carton 10 comprises a single cigarette carton 11 and a crust 12 that surrounds this cigarette carton 11. Filter tip 20 comprises at least two filtration fractions and is connected with bar part 10 by a coil paper 13, and this coil paper 13 grows to than filter tip 20 and lacks 3mm. Usually the length of cigarette carton 11 55 and 75mm between, and the length of filter tip 20 is 21 to 27mm.
Filter tip 20 is ventilated in the zone of the filtration fraction of mouth side. This throughput can be selected in 10 to 90% scope.
The coil paper 13 that is provided with passage 14 in the zone of the filtration fraction 22 of mouth side is as ventilating mechanism, and the form that it is arranged as 1 to 3 row preferably has two row holes around filter tip 20, but is fully air-locked at 23 of the filtration fractions of bar side. When smoking, circulated gases is passed passage 14 and is inhaled in the filter tip 20, compares the superproportional decline of the gaseous component that has obtained cigarette smoke with the decline of Particle Phase. In a kind of form of implementation, this ventilating mechanism can surpass mouth side filtration fraction and stretch to bar side filtration fraction a bit, approximately to 2mm. Like this, circulated gases can be inhaled in the mouth side filtration fraction 22 after turning to equally.
Those skilled in the art are known as make the method for passage, for example by machinery or electrostatic means or pass through laser beam perforation. Equally also known ventilating mechanism is hole, passage or material gap.
The filtration fraction 22 of mouth side comprises at least one fillter section. The filtration fraction 22 of mouth side also can comprise two or more filtering plugs, as shown in Figure 2. The variation possibility of filtering material is just larger thus, for example, also comprises an other filter element 22a the filter element 22b except having in the mouth side, can have the marking or color on their visible cross section.
The filtration fraction 23 that consists of the bar side of a coaxial filtration members has a core 24 and a coaxial cover 26 around this core. The pressure drop of core 24 can 10 and the 50mm water column between. Cover 26 is so to consist of, i.e. the pressure drop of its pressure drop ratio core 24 is at least 2 coefficients greatly. It is basically Smoke proof or thoroughly do not encased that cover 26 also can be made cigarette.
The effect of the structure of mouth side filtration fraction 23 is to make cigarette mainly flow through core 24.Because this cross-sectional constriction, the flue gas flow rate in this core section obviously increases, and this contains under less relatively confining force and increases the dacron drawing resistance.This reaches a kind of similar effects: when the cross-sectional constriction of the material that is flow through by flue gas is to be caused by the core that constitutes almost air-locked coaxial filtration members, then all flue gases can only pass through from this cover.
When only the flue gas flow rate in the filtration fraction 23 of bar side is multiplied, by means of ventilating mechanism 14 a large amount of ventilating airs appears just in the filtration fraction 22 of mouth side.Realize a kind of superproportional decline of gaseous component thus, thereby guaranteed acceptable drawing resistance simultaneously for the smoker about the particle phase.
Compared with prior art, form of implementation is very many giving the variation possibility in setting the goal, because the superproportional decline of gas phase is in that the situation of efficient without any material impact taken place, so for example got rid of the defined typical result of smoker " air odor " in cigarette with filter tip according to the present invention.
The filtering material that is suitable for filter tip 20 is plane, fibrous or granular filtering material, for example cellulose; Cellulose ester is preferably sour acid cellulose; For example blow molten filtering material according to what WO97/33026 produced; The air bells laid material, for example according to US4,375,447 filtering materials of producing that have additive; Tobacco, for example tobacco of recombinating according to DE 199 25968; Filtering material that other can be easy to decompose or thermoplastic filter fiber.
The increase of additive can improve sense of touch, sense of taste and the outward appearance of the cigarette according to the present invention, and/or the confining force of selecting is had a kind of additional influence.Therefore, for example filtration fraction 22 filter element can be provided active carbon particle to increase the absorption to the gas phase thing.For the extra acceptance of consumer that increase by means of visual manner, the colouring of for example lip-syncing side filtering plug to cigarette.Can influence the pH value of particle spectrum and influence sense of taste impression thus by adding acid or alkali.
The interpolation of additive can for example be carried out in the injection material bar on the fiber or directly by spraying or being injected in filtering material.
The additive that is suitable for use as filtering material is: the acid of aromatic, suspension or dissolved form or alkali perhaps have the adsorbent of the maintenance effect of selection, as the additive of activated carbon or SiO2.The additive of the maintenance effect that has selection in addition is: organic acid, alkali, for example carbon acid and its salt, metal and metal oxide, carbon component, ion exchange system (for example zeolite), alcohol, polyphenol and derivatives of porphyrin.
Other additive, as plasticizer, for example triacetin, triethylene-glycol diacetate, citric acid diethylester; Quicken photodegradative additive, for example titanium dioxide; Help biodegradable additive; Vitamin or pigment all can be used for the independent formation of required filtration.
The scope that is applicable to the other form of implementation of sour acid cellulose standard is: for core 24, the scope of single fiber degree is 3.0 to 8.0den, is preferably 8.0den, and the scope of total fiber number is 15,000 to 50, and 000den is preferably 17,000den.For overlapping 26, the scope of single fiber degree is 1.5 to 3.0den, is preferably 2.1den, and the scope of total fiber number is 40,000 to 75, and 000den is preferably 55,000den.
The scope of single fiber degree that is used for the filtration fraction 22 of mouth side can be 1.5 to 5den under as the situation of filtering material with sour acid cellulose, and the scope of total fiber number is 15,000 to 60,000den., wherein this filtration fraction can comprise the inhomogeneous section 22a and the 22b of two same item.
Example 1:
Cigarette A has the long cigarette bar 11 of a 63mm and many parts filtration members 20 that 21mm is long.
The core 24 of the filtration fraction 23 of bar side diameter when length is 8.0mm is 5.5mm.It is that 6.0den, total fiber number are 17 by the single fiber degree, and the sour acid cellulose of 000den is made.The drawing resistance of core 24 or pressure drop are the 27mm water column.
The coaxial cover 26 that surrounds core 24 has the internal diameter of 5.5mm and the external diameter of 7.8mm when length is similarly 8.0mm.Can use the single fiber degree is that 2.1den, total fiber number are 55, and the sour acid cellulose of 000den is as this material.
Usually this coaxial filtration members length when diameter is 7.8mm is 8.0mm.
The filtration fraction 22 of mouth side is made for monomer spare and by sour acid cellulose.Diameter was 7.8mm when it was 13mm in length.In the zone of the filtration fraction of mouth side, ventilating zone constitutes with the form of a row laser beam perforation.The filtration aeration of this cigarette A reaches 35%.
Example 2:
For the cigarette A in the evaluation example 1, cigarette is analyzed, and its data are compared with the data of cigarette V1, that cigarette V1 has is traditional, length is that 21mm, single fiber degree are 3.0den and to filter aeration be 18% sour acid cellulose filtration members, and carries out smoking according to iso standard.Table 1 shows the result of cigarette data.
Table 1
Example 3:
| Cigarette V1 | Cigarette A | ????Δ[％] | |
| Condensation rate [mg/ cigarette] | ????11.9 | ?????11.9 | ????0.00 |
| Nicotine [mg/ cigarette] | ????0.86 | ?????0.9 | ????0.04 |
| CO[mg/ cigarette] | ????10.5 | ?????8.4 | ????20.0 |
| NO[mg/ cigarette] | ????140.6 | ?????111.9 | ????20.4 |
| Other gas phase part of ∑ [μ g/ cigarette] | ????2169.7 | ?????1666.1 | ????23.2 |
Cigarette B has the long cigarette bar of a 59mm and many parts filtration members 20 that 25mm is long.
The core 24 of the filtration fraction 23 of bar side diameter when length is 10.0mm is 5.5mm.It is that 6.0den, total fiber number are 17 by the single fiber degree, and the sour acid cellulose of 000den is made.The drawing resistance of core 24 or pressure drop are the 25mm water column.
The coaxial cover 26 that surrounds core 24 has the internal diameter of 5.5mm and the external diameter of 7.8mm when length is similarly 10.0mm.Can use the single fiber degree is that 2.1den, total fiber number are 55, and the sour acid cellulose of 000den is as this material.
Usually this coaxial filtration members length when diameter is 7.8mm is 10.0mm.
The filtration fraction 22 of mouth side is made for monomer spare and by sour acid cellulose.Diameter was 7.8mm when it was 15mm in length.In the zone of the filtration fraction 22 of mouth side, ventilating zone constitutes with the form of the passage 14 that row form by laser beam perforation.The filtration aeration of this cigarette B reaches 51%.
Example 4:
For the cigarette B in the evaluation example 3, drawing cigarette analyzes data and compares with the data of cigarette V2, that cigarette V2 has is traditional, length is that 25mm, single fiber degree are 3.0den and to filter aeration be 38% sour acid cellulose filtration members, and carries out smoking according to iso standard.Table 2 shows the result of cigarette data.Table 2
| Cigarette V2 | Cigarette B | ????Δ[％] | |
| Condensation rate [mg/ cigarette] | ?????6.9 | ?????6.9 | ????0.00 |
| Nicotine [mg/ cigarette] | ?????0.56 | ?????0.59 | ????-5.36 |
| CO[mg/ cigarette] | ?????5.5 | ?????4.2 | ????23.6 |
| NO[mg/ cigarette] | ?????59.9 | ?????44.5 | ????25.7 |
| Other gas phase part of ∑ [μ g/ cigarette] | ?????1370.2 | ?????1070.0 | ????21.9 |
Can obviously find out from above-mentioned example, by means of the decline of the gaseous component of new filtration cigarette smoke and its particle mutually compare superproportional height.
Claims (15)
1. cigarette with filter tip, it has the cigarette bar of wrapping and has the filtration members (20) of a ventilating mechanism, and this filtration members comprises at least two filtration fractions (22,23), wherein
-this ventilating mechanism is arranged in the zone of filtration fraction (22) of mouth side; With
The filtration fraction of-mouth side (22) is a single at least filtration fraction, and the filtration fraction (23) of cigarette bar side is a coaxial filtration fraction with a core (24) and a cover (26);
It is characterized in that:
-cigarette bar (11) is a single bar; With
The pressure drop ratio cover (26) of-core (24) pressure drop little.
2. by the cigarette with filter tip of the described ventilation of claim 1, it is characterized in that: the filtration fraction of mouth side (22) comprises plane, fibrous or granular filtering material.
3. by the cigarette with filter tip of the described ventilation of claim 2, it is characterized in that: as filtering material be cellulose, cellulose ester, be preferably sour acid cellulose, blow molten filtering material, air bells laid material, the filtering material that has additive, tobacco, other filtering material that can be easy to decompose or thermoplastic filter fiber.
4. by the cigarette with filter tip of claim 2 or 3 described ventilations, it is characterized in that: this filtering material comprises a kind of additive.
5. by the cigarette with filter tip of the described ventilation of claim 4, it is characterized in that: as additive be the acid or the alkali of aromatic, suspension or dissolved form, perhaps have the effective adsorbent of selection, as activated carbon or SiO
2Additive.
6. press the cigarette with filter tip of each described ventilation in the claim 1 to 5, it is characterized in that: the core (24) of the coaxial filtration fraction (23) of bar side comprises the fibrous material of crude fibre fineness, the value that wherein is used for the single fiber degree is in 3.0 to 8.0den scope, the value of total fiber number is 15,000 to 50, in the scope of 000den.
7. by the cigarette with filter tip of the described ventilation of claim 6, it is characterized in that: the single fiber degree is 6.0den, and total fiber number is about 17,000den.
8. press the cigarette with filter tip of each described ventilation in the claim 1 to 5, it is characterized in that: the cover (26) of the coaxial filtration fraction (23) of bar side comprise its single fiber degree in 1.5 to 3.0den scope, total fiber number is 40,000 to 75, the fibrous material in the scope of 000den.
9. by the cigarette with filter tip of the described ventilation of claim 8, it is characterized in that: the single fiber degree is 2.1den, and total fiber number is about 55,000den.
10. by the cigarette with filter tip of the described ventilation of claim 1, it is characterized in that: the ratio of the pressure drop of the pressure drop of core (24) and cover (26) is greater than 2.
11. by the cigarette with filter tip of the described ventilation of claim 10, it is characterized in that: the ratio of the pressure drop of the pressure drop of core (24) and cover (26) is about 2.
12., it is characterized in that by the cigarette with filter tip of the described ventilation of claim 1: core (24) outer surface be Smoke proof by not surrounding or make saturating cigarette.
13. the cigarette with filter tip by the described ventilation of claim 1 is characterized in that: realize gaseous component is reduced between 10 and 90% by ventilation.
14. the cigarette with filter tip by the described ventilation of claim 13 is characterized in that: realize gaseous component is reduced between 10 and 50% by ventilation.
15. the cigarette with filter tip by the described ventilation of claim 1 is characterized in that: this ventilating mechanism surpasses mouth side filtration fraction and stretches to bar side filtration fraction, circulated gases takes place in mouth side filtration fraction thus turn to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10009829A DE10009829A1 (en) | 2000-03-01 | 2000-03-01 | Filter cigarette has two part filter with ventilator, core, casing and length of tobacco. |
| DE10009829.0 | 2000-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1407861A true CN1407861A (en) | 2003-04-02 |
| CN1232192C CN1232192C (en) | 2005-12-21 |
Family
ID=7633015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018059597A Expired - Fee Related CN1232192C (en) | 2000-03-01 | 2001-02-20 | Item for smoking |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US20030140932A1 (en) |
| EP (1) | EP1259130B1 (en) |
| JP (1) | JP2003525043A (en) |
| KR (1) | KR20020075459A (en) |
| CN (1) | CN1232192C (en) |
| AT (1) | ATE246882T1 (en) |
| AU (1) | AU2001235485A1 (en) |
| BG (1) | BG65496B1 (en) |
| CZ (1) | CZ299205B6 (en) |
| DE (2) | DE10009829A1 (en) |
| EA (1) | EA003912B1 (en) |
| ES (1) | ES2204833T3 (en) |
| HK (1) | HK1054300B (en) |
| HU (1) | HUP0300441A3 (en) |
| PL (1) | PL365130A1 (en) |
| PT (1) | PT1259130E (en) |
| RS (1) | RS50150B (en) |
| SK (1) | SK286989B6 (en) |
| TW (1) | TW544288B (en) |
| UA (1) | UA71062C2 (en) |
| WO (1) | WO2001064061A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238931A (en) * | 2013-05-22 | 2013-08-14 | 广东中烟工业有限责任公司 | Composite cigarette filter rod capable of automatically guiding flow and composite cigarette |
| CN104349686A (en) * | 2012-05-31 | 2015-02-11 | 菲利普莫里斯生产公司 | Smoking article with concentric filter |
| CN104684421A (en) * | 2012-10-05 | 2015-06-03 | 英美烟草(投资)有限公司 | A smoking article |
| CN104853629A (en) * | 2012-12-13 | 2015-08-19 | 日本烟草产业株式会社 | Cigarette |
| CN106998795A (en) * | 2014-12-08 | 2017-08-01 | 英美烟草(投资)有限公司 | Smoking product, filter and the method for manufacturing smoking product |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005005175A1 (en) * | 2005-02-01 | 2006-08-10 | Reemtsma Cigarettenfabriken Gmbh | Filter cigarette |
| GB0713905D0 (en) | 2007-07-17 | 2007-08-29 | British American Tobacco Co | Cellulose acetate thread in filter |
| GB0816937D0 (en) * | 2008-09-16 | 2008-10-22 | British American Tobacco Co | Filter for a Smoking Article |
| GB0816933D0 (en) * | 2008-09-16 | 2008-10-22 | British American Tobacco Co | Filter for a smoking article |
| CN101926509B (en) * | 2009-06-23 | 2012-05-30 | 湖北中烟工业有限责任公司 | Method and equipment for producing longitudinal multi-circle filter tip rod |
| CN101708072B (en) * | 2009-12-23 | 2011-04-13 | 川渝中烟工业公司 | Composite filter tip containing biological composition |
| US9226524B2 (en) | 2010-03-26 | 2016-01-05 | Philip Morris Usa Inc. | Biopolymer foams as filters for smoking articles |
| JP2014230489A (en) * | 2011-09-20 | 2014-12-11 | 日本たばこ産業株式会社 | Cigarette |
| JP2017136084A (en) * | 2017-04-05 | 2017-08-10 | 日本たばこ産業株式会社 | cigarette |
| US11896048B2 (en) | 2018-03-08 | 2024-02-13 | Philip Morris Products S.A. | Aerosol generating articles |
| WO2019170449A1 (en) * | 2018-03-08 | 2019-09-12 | Philip Morris Products S.A. | Aerosol generating articles |
| EP3761812B1 (en) * | 2018-03-08 | 2023-08-23 | Philip Morris Products S.A. | Aerosol generating articles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375447A (en) * | 1979-12-21 | 1983-03-01 | Kimberly-Clark Corporation | Method for forming an air-laid web of dry fibers |
| AU635095B2 (en) * | 1990-08-24 | 1993-03-11 | Philip Morris Products Inc. | Concentric smoking filter having discrete tow and web filter media |
| GB9122447D0 (en) * | 1991-10-23 | 1991-12-04 | Rothmans Int Tobacco | Lightweight cigarette filter and cigarettes incorporating such filters |
| DE4205658A1 (en) * | 1992-02-25 | 1993-08-26 | Reemtsma H F & Ph | VENTILATED FILTER CIGARETTE |
| GB9214267D0 (en) * | 1992-07-04 | 1992-08-19 | British American Tobacco Co | Improvements relating to smoking articles |
| US5404890A (en) * | 1993-06-11 | 1995-04-11 | R. J. Reynolds Tobacco Company | Cigarette filter |
| WO1997005790A1 (en) * | 1995-08-04 | 1997-02-20 | Mitsubishi Rayon Co., Ltd. | Filter medium and cigarette filter made with the use of the same |
| DE19604761C2 (en) * | 1996-02-09 | 1998-02-26 | Windmoeller & Hoelscher | Glue application device |
| DE19718296B4 (en) * | 1997-04-30 | 2006-06-29 | British American Tobacco (Germany) Gmbh | Ventilated filter cigarette with a coaxial filter element |
| DE19722812C2 (en) * | 1997-05-30 | 2003-02-13 | Bat Cigarettenfab Gmbh | Ultralight coaxial cigarette with multi-part filter |
| DE19925313C2 (en) * | 1999-05-27 | 2002-04-11 | Reemtsma H F & Ph | Ventilated filter cigarette |
-
2000
- 2000-03-01 DE DE10009829A patent/DE10009829A1/en not_active Withdrawn
-
2001
- 2001-02-20 PL PL01365130A patent/PL365130A1/en unknown
- 2001-02-20 SK SK1412-2002A patent/SK286989B6/en not_active IP Right Cessation
- 2001-02-20 AU AU2001235485A patent/AU2001235485A1/en not_active Abandoned
- 2001-02-20 CN CNB018059597A patent/CN1232192C/en not_active Expired - Fee Related
- 2001-02-20 ES ES01907545T patent/ES2204833T3/en not_active Expired - Lifetime
- 2001-02-20 KR KR1020027011326A patent/KR20020075459A/en not_active Application Discontinuation
- 2001-02-20 CZ CZ20023262A patent/CZ299205B6/en not_active IP Right Cessation
- 2001-02-20 HU HU0300441A patent/HUP0300441A3/en unknown
- 2001-02-20 EP EP01907545A patent/EP1259130B1/en not_active Expired - Lifetime
- 2001-02-20 EA EA200200934A patent/EA003912B1/en not_active IP Right Cessation
- 2001-02-20 WO PCT/EP2001/001913 patent/WO2001064061A1/en active IP Right Grant
- 2001-02-20 RS YUP-648/02A patent/RS50150B/en unknown
- 2001-02-20 AT AT01907545T patent/ATE246882T1/en not_active IP Right Cessation
- 2001-02-20 PT PT01907545T patent/PT1259130E/en unknown
- 2001-02-20 US US10/220,555 patent/US20030140932A1/en not_active Abandoned
- 2001-02-20 DE DE50100499T patent/DE50100499D1/en not_active Expired - Lifetime
- 2001-02-20 JP JP2001562966A patent/JP2003525043A/en active Pending
- 2001-02-20 UA UA2002097765A patent/UA71062C2/en unknown
- 2001-04-09 TW TW090104587A patent/TW544288B/en not_active IP Right Cessation
-
2002
- 2002-09-30 BG BG107159A patent/BG65496B1/en unknown
-
2003
- 2003-09-15 HK HK03106609.7A patent/HK1054300B/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349686A (en) * | 2012-05-31 | 2015-02-11 | 菲利普莫里斯生产公司 | Smoking article with concentric filter |
| CN104684421A (en) * | 2012-10-05 | 2015-06-03 | 英美烟草(投资)有限公司 | A smoking article |
| CN104853629A (en) * | 2012-12-13 | 2015-08-19 | 日本烟草产业株式会社 | Cigarette |
| CN104853629B (en) * | 2012-12-13 | 2018-12-07 | 日本烟草产业株式会社 | cigarette |
| CN103238931A (en) * | 2013-05-22 | 2013-08-14 | 广东中烟工业有限责任公司 | Composite cigarette filter rod capable of automatically guiding flow and composite cigarette |
| CN106998795A (en) * | 2014-12-08 | 2017-08-01 | 英美烟草(投资)有限公司 | Smoking product, filter and the method for manufacturing smoking product |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1259130A1 (en) | 2002-11-27 |
| CZ20023262A3 (en) | 2003-03-12 |
| EA200200934A1 (en) | 2003-02-27 |
| PT1259130E (en) | 2003-12-31 |
| SK286989B6 (en) | 2009-08-06 |
| HUP0300441A2 (en) | 2003-08-28 |
| BG107159A (en) | 2003-06-30 |
| EA003912B1 (en) | 2003-10-30 |
| KR20020075459A (en) | 2002-10-04 |
| ATE246882T1 (en) | 2003-08-15 |
| BG65496B1 (en) | 2008-10-31 |
| SK14122002A3 (en) | 2003-02-04 |
| CN1232192C (en) | 2005-12-21 |
| TW544288B (en) | 2003-08-01 |
| DE10009829A1 (en) | 2001-09-20 |
| PL365130A1 (en) | 2004-12-27 |
| DE50100499D1 (en) | 2003-09-18 |
| US20030140932A1 (en) | 2003-07-31 |
| YU64802A (en) | 2005-03-15 |
| HK1054300B (en) | 2006-08-25 |
| RS50150B (en) | 2009-05-06 |
| HK1054300A1 (en) | 2003-11-28 |
| EP1259130B1 (en) | 2003-08-13 |
| ES2204833T3 (en) | 2004-05-01 |
| JP2003525043A (en) | 2003-08-26 |
| AU2001235485A1 (en) | 2001-09-12 |
| UA71062C2 (en) | 2004-11-15 |
| WO2001064061A1 (en) | 2001-09-07 |
| CZ299205B6 (en) | 2008-05-14 |
| HUP0300441A3 (en) | 2005-11-28 |
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