US20150296878A1 - Filter for a smoking article - Google Patents
Filter for a smoking article Download PDFInfo
- Publication number
- US20150296878A1 US20150296878A1 US14/440,040 US201314440040A US2015296878A1 US 20150296878 A1 US20150296878 A1 US 20150296878A1 US 201314440040 A US201314440040 A US 201314440040A US 2015296878 A1 US2015296878 A1 US 2015296878A1
- Authority
- US
- United States
- Prior art keywords
- filter
- section
- filter section
- smoking article
- axial region
- 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.)
- Abandoned
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Classifications
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- 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
- 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
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
-
- 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
-
- 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
Definitions
- the invention relates to a filter for a smoking article and to a smoking article including a filter.
- Known smoking article filters such as cigarette filters, generally comprise a continuous tow of filamentary cellulose acetate.
- the cellulose acetate is gathered together to form a rod which is cut to form individual filter sections.
- the smoking article filter may be made of one segment of filter rod, or may be made from multiple segments, with or without a cavity or spaces between them.
- a filter for a smoking article comprising a first filter section comprising filter material and a smoke modifying additive disposed in an axial region thereof and a second filter section connected to said first filter section, the second filter section comprising filter material and at least one channel located in an axial region thereof for directing smoke, in use, through the axial region of the first filter section in which the smoke modifying additive is disposed.
- the first and second filter sections can be discrete filter sections and/or the smoke modifying additive can be disposed only in said axial region of the filter material of the first filter section or in a greater concentration in said axial region than in non-axial regions of the filter material of the first filter section.
- the at least one channel can have a lower resistance to smoke passing through it than other regions of the filter material of the first filter section.
- the channel can be a hollow passageway through the second filter section.
- the second filter section can be connected to said first filter section so as to make the second filter section immediately either downstream or upstream of said first filter section when incorporated into a smoking article.
- the axial region of said filter material of said first and/or second filter sections can have a radius of from 1 mm to 4 mm and/or can be centred on the axis of the smoking article.
- the first filter section can comprise continuous filter material having the smoke modifying additive disposed in the axial region thereof.
- the second filter section can comprise a tubular filter section.
- the tubular filter section can be formed from a fibrous filter material.
- the smoke modifying additive can be disposed in a greater concentration in said axial region than in non-axial regions of the filter material of the first filter section.
- the smoke modifying additive can be disposed only in said axial region of the filter material of the first filter section.
- the second filter section can be configured, in use, to direct a greater portion of smoke through the axial region of the first filter section than through non-axial regions of the first filter section.
- the smoke modifying additive can comprise an encapsulated additive.
- the smoke modifying additive can be contained within a capsule which is located within the first filter section at a position other than a longitudinally central position within the first filter section.
- the capsule can be located within the first filter section at a position from 1 mm to 10 mm from a longitudinally central position within the first filter section.
- the smoke modifying additive can be disposed on a carrier material.
- the carrier material can comprise a thread.
- the filter can further comprise a third filter section connected to said first filter section so as to make it upstream of said first filter section when incorporated into a smoking article.
- the third filter section can be a discrete filter section.
- the third filter section can comprise fibrous filter material and a granular adsorbent material.
- the granular adsorbent material can be disposed in a circumferential region of the third filter section, dispersed within the filter material of the third filter section, or comprises some granular adsorbent material disposed in a circumferential region of the third filter section and some granular adsorbent material dispersed within the third filter section.
- a smoking article comprising a filter as defined above.
- the second filter section can be arranged immediately downstream of said first filter section and at the mouth-end of the smoking article.
- a smoking article comprising a first section comprising an aerosol generating material and an aerosol modifying additive disposed in an axial region thereof, and a second section comprising a filter having at least one channel located in an axial region thereof for directing the aerosol generated by the aerosol generating material, in use, through the axial region of the first section.
- the second section in use, can direct a greater portion of smoke through the axial region of the first section than through non-axial regions of the first section.
- FIG. 2 is a schematic illustration of a smoking article having a filter with a tubular filter section and a filter section including a thread carrying an additive;
- FIG. 3 is a schematic illustration of a smoking article having a filter with a tubular filter section and a filter section including an encapsulated additive in the form of a plurality of frangible capsules;
- FIG. 4 is a schematic illustration of a smoking article having a filter similar to that described with reference to FIG. 1 but also including a further filter section having an adsorbent dispersed in filter material;
- Smoking articles such as cigarettes and their formats are often named according to the cigarette length: “regular” (typically in the range 68-75 mm, e.g. from about 68 mm to about 72 mm), “short” or “mini” (68 mm or less), “king-size” (typically in the range 75-91 mm, e.g. from about 79 mm to about 88 mm), “long” or “super-king” (typically in the range 91-105 mm, e.g. from about 94 mm to about 101 mm) and “ultra-long” (typically in the range from about 110 mm to about 121 mm).
- a cigarette in a king-size, super-slim format will, for example, have a length of about 83 mm and a circumference of about 17 mm.
- Cigarettes in the regular, king-size format are preferred by many customers, namely with a circumference of from 23 to 25 mm and an overall length of from 75 to 91 mm.
- Each format may be produced with filters of different lengths, smaller filters being generally used in formats of smaller lengths and circumferences.
- the filter length will be from 15 mm, associated with short, regular formats, to 30 mm, associated with ultra-long super-slim formats.
- the tipping paper will have a greater length than the filter, for example from 3 to 10 mm longer.
- Smoking articles and filters described hereinafter can be manufactured in any of the above formats.
- the smoking article can, for instance, be from 70 to 100 mm in length and from 14 to 25 mm in circumference.
- upstream and downstream used herein are relative terms defined in relation to the direction of mainstream smoke (or other aerosol) drawn though a smoking article in use.
- FIG. 1 is a schematic illustration of a smoking article 1 which is generally cylindrical in shape and is in the regular, king size format, namely having a length in the range 75-91 mm and a circumference in the range 23 to 25 mm.
- the smoking article 1 includes a tobacco rod 2 wrapped in a wrapping material 3 , in this example cigarette paper, connected longitudinally to a filter 4 by tipping material 5 overlaying the filter 4 and partially overlaying the wrapping material 3 so as to connect the filter 4 to the tobacco rod 2 .
- the filter 4 comprises a first section 6 at the tobacco rod end of the filter 4 comprising absorbent material 7 having a capsule 8 disposed therein in an axial region of the filter material of the first section 6 .
- the capsule 8 or other additive material, can be disposed only in the axial region of the filter material of the first filter section 6 , or can be disposed in greater concentration in the axial region than in non-axial regions of the filter material of the first filter section 6 .
- the first section is wrapped in a first plug wrap 9 .
- the axial region of the second filter section 10 is a region, in the present example, centred on the axis ‘a’ of the smoking article 1 , having a radius of about 2.5 mm.
- the radius of the axial region can be anywhere from 1 mm to 4 mm, or from 1 mm to 3 mm, or about 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm or 3.5 mm.
- the tubular filter section is formed from cellulose acetate tow and is wrapped in a second plug wrap 13 .
- the wall thickness of the tubular filter is about 1.5 mm.
- the first segment 6 is a cellulose acetate segment formed using continuous cellulose acetate fibres and a plasticiser.
- the capsule 8 is spherical and has a diameter of 3.5 mm, although other shapes and sizes of capsule can be used, and contains a fluid additive which modifies properties of mainstream smoke passing through the smoking article 1 .
- the capsule 8 can be manufactured and inserted into the first filter section 6 using existing processes and machinery.
- the capsule 8 contains menthol flavourant, although other fluids or granular additives could be contained within the capsule 8 .
- the capsule can be ruptured by a consumer to release the fluid additive into the absorbent filter material 11 .
- the capsule 8 is located in an ‘axial region’ of the first filter section 6 , as defined above.
- the capsule 8 can be located such that the centre of the capsule is closer to the axis ‘a’ of the smoking article 1 than to the outer periphery of the smoking article 1 .
- the capsule 8 is located with its centre substantially along the axis ‘a’.
- the capsule 8 is offset from the longitudinal centre of the first filter section 6 .
- the capsule 8 can, for instance, be located within the first filter section 6 at a position from 1 mm to 10 mm from a longitudinally central position within the first filter section 6 .
- the capsule 8 is located within a portion of the first filter section 6 closer to the downstream end of the first filter section 6 .
- the smoking article 1 is, in the present example, provided with ventilation holes (not shown) through the tipping material 5 and first plug wrap 9 , providing ventilation into the first filter section 6 .
- the ventilation holes are preferably located in a longitudinal position other than that in which the capsule 8 is located, to avoid damaging the capsule 8 during manufacture.
- ventilation may be provided at 20 mm from the mouth end, while the capsule 8 is longitudinally centrally located within the first filter section and, at 3.5 mm diameter, therefore extends from 15.25 mm to 18.75 mm from the mouth end.
- the tobacco rod 2 of the smoking article 1 is lit by a consumer in the conventional manner and tobacco smoke is drawn from burning coal of the tobacco rod 2 through the filter 4 .
- the channel 12 in the second filter section 10 has a lower resistance to mainstream smoke passing through the filter 4 than the surrounding tubular filter material 11 , and therefore a greater proportion of mainstream smoke is directed through the channel 12 . This, in turn, results in a greater flow of mainstream smoke in the axial region around the axis ‘a’ of the first filter section 6 , in which the capsule 8 is located.
- the smoke modifying additive contained therein in the present case menthol, is released in greater concentration into the axial region of the first filter section 6 through which an increased flow of mainstream smoke is directed, as a result of the second filter section 10 . Accordingly, the increased flow of mainstream smoke enhances the delivery of the smoke modifying additive to the consumer and the smoking article 1 can therefore exhibit improved delivery of a smoke modifying additive to a consumer compared to conventional smoking articles.
- the absorbent material 27 has an additive carrying thread 28 disposed therein in an axial region (not shown) of the first section 26 , wherein the axial region of the first filter section 26 is as defined in relation to the first filter section 6 of the smoking article 1 described above.
- the thread can, for instance, be formed from cotton or cellulose acetate fibres and be loaded with between 0.1 and 10 mg of flavourant, such as menthol flavourant. Loading levels of between 0.2 to 2 mg, or between 0.2 and 1 mg of flavourant have been found to be effective.
- the first section 26 is wrapped in a first plug wrap 29 .
- the thread 28 carries an additive capable of modifying mainstream smoke passing through the filter 24 , in the present case menthol flavourant.
- the filter 24 further comprises a second section 30 at the mouth-end of the filter 24 comprising fibrous filter material 31 formed into a tubular shape and having a channel 32 extending through the centre of the filter material 31 , or through an axial region thereof, similar to the second section 10 of the filter 4 of FIG. 1 described above.
- the tubular filter section is formed from cellulose acetate tow and is wrapped in a second plug wrap 33 .
- the first segment 26 is a cellulose acetate segment formed using continuous cellulose acetate fibres and a plasticiser.
- the thread 28 can be inserted into the filter material during formation of the filter section 26 using existing processes and machinery.
- FIG. 3 is a schematic illustration of a smoking article 41 having a filter according to a further embodiment of the invention.
- the features of the smoking article 41 are the same as those of the smoking article 1 described with reference to FIG. 1 , unless otherwise stated below.
- the smoking article 41 includes a tobacco rod 42 wrapped in a wrapping material 43 , in this example cigarette paper, connected longitudinally to a filter 44 by tipping material 45 overlaying the filter 44 and partially overlaying the wrapping material 43 .
- the filter 44 comprises a first section 46 at the tobacco rod end of the filter 44 comprising absorbent material 47 .
- the smoking article 41 illustrated in FIG. 3 operates in a similar way to the smoking article 1 illustrated in FIG. 1 .
- the consumer breaks the plurality of microcapsules 48 prior to or in the course of smoking the smoking article 41 .
- a greater flow of mainstream smoke is directed, as a result of the second filter section 50 , through the axial region of the first filter section 46 in which the smoke modifying additive released from the microcapsules is located.
- the increased flow of mainstream smoke enhances the delivery of the smoke modifying additive to the consumer and the smoking article 41 can therefore exhibit improved delivery of a smoke modifying additive to a consumer than convention smoking articles.
- a second filter section 70 is disposed at the mouth-end of the three-part filter 64 and comprises fibrous filter material 71 formed into a tubular shape and having a channel 72 extending through the centre of the filter material 71 or through the axial region thereof, as described above with reference to the channel 12 of FIG. 1 .
- the tubular filter section is formed from cellulose acetate tow and is wrapped in a second plug wrap 73 .
- the first filter section 66 has a length of 10 mm in the present example, the second filter section 70 a length of 7 mm and the third filter section 74 a length of 10 mm, although other section lengths can be used. Ventilation is provided into the third filter section at a position 22 mm from the mouth end of the smoking article 61 .
- FIG. 5 is a schematic illustration of a smoking article 81 having a filter according to a further embodiment of the invention.
- the features of the smoking article 81 are the same as those of the smoking article 61 described with reference to FIG. 4 , unless otherwise stated below.
- the smoking article 81 includes a tobacco rod 82 wrapped in a wrapping material 83 , in this example cigarette paper, connected longitudinally to a filter 84 by tipping material 85 overlaying the filter 84 and partially overlaying the wrapping material 83 .
- the filter 84 comprises three filter sections, including a first central section 86 comprising absorbent material 87 and, rather than a capsule 68 , a thread 88 disposed therein, in an axial region thereof, the axial region being as defined in relation to the first filter section 6 of the smoking article 1 described above.
- the first section 86 is wrapped in a first plug wrap 89 .
- a second filter section 90 is disposed at the mouth-end of the three-part filter 84 and comprises fibrous filter material 91 formed into a tubular shape and having a channel 92 extending through the centre of the filter material 91 or through the axial region thereof, as described above with reference to the channel 12 of FIG. 1 .
- the tubular filter section is formed from cellulose acetate tow and is wrapped in a second plug wrap 93 .
- the first filter section 86 has a length of 10 mm in the present example, the second filter section 90 a length of 7 mm and the third filter section 94 a length of 10 mm, although other section lengths can be used. Ventilation is, for instance, provided into the first and third filter sections at respective positions of 13 mm and 20 mm from the mouth end of the smoking article 81 .
- FIG. 6 is a schematic illustration of a smoking article 101 according to a further embodiment of the invention.
- the smoking article 101 is generally cylindrical in shape and is in the regular, king size format, namely having a length in the range 75-91 mm and a circumference in the range 23 to 25 mm.
- the smoking article 101 includes a tobacco rod 102 wrapped in a wrapping material 103 , in this example cigarette paper, connected longitudinally to a filter 104 by tipping material 105 overlaying the filter 104 and partially overlaying the wrapping material 103 .
- the filter 104 comprises a first section 106 at the tobacco rod end of the filter 104 comprising absorbent material 107 and wrapped in a first plug wrap 108 .
- the tobacco rod 102 includes a plurality of microcapsules 113 disposed in an axial region thereof at the filter end of the tobacco rod 102 , the axial region being similar in location and size to that defined in relation to the first filter section 6 of the smoking article 1 described above, except that it is located within the tobacco rod 102 .
- the smoking article 101 illustrated in FIG. 6 operates in a similar way to the smoking article 41 illustrated in FIG. 3 .
- the consumer breaks the plurality of microcapsules 113 located in the tobacco rod 102 .
- a greater flow of mainstream smoke is directed, as a result of the second filter section 109 , through the axial region of the filter end of the tobacco rod 2 in which the smoke modifying additive released from the microcapsules is located.
- the increased flow of mainstream smoke enhances the delivery of the smoke modifying additive to the consumer and the smoking article 101 can therefore exhibit improved delivery of a smoke modifying additive to a consumer than convention smoking articles.
- the first section 126 is wrapped in a first plug wrap 129 .
- the capsule 128 contains an additive capable of modifying mainstream smoke passing through the filter 124 , in the present case menthol flavourant.
- the first segment 126 is a cellulose acetate segment formed using continuous cellulose acetate fibres and a plasticiser.
- the capsule 128 can be inserted into the filter material during formation of the filter section 126 using existing processes and machinery.
- the capsule 128 is located within a portion of the first filter section 126 closer to the upstream end of the first filter section 126 , or to the second filter section 130 , than to the downstream end of the first filter section 126 , or to the mouth end of the smoking article 121 .
- the distance ‘d’ between the centre of the capsule 128 and the upstream end of the first filter section 126 is approximately 30% of the total longitudinal length of the first filter section 126 .
- the capsule 128 can be located longitudinally centrally within the first filter section 126 or closer to the downstream end of the first filter section 126 than to the upstream end.
- the smoking article 121 illustrated in FIG. 7 operates in a similar way to the smoking article 1 illustrated in FIG. 1 .
- the capsule 128 is ruptured to release a smoke modifying additive, a greater flow of mainstream smoke is directed, as a result of the second filter section 130 , through the axial region of the first filter section 126 in which the contents of the capsule 128 have been released. Accordingly, when the smoking article is smoked, the increased flow of mainstream smoke enhances the delivery of the smoke modifying additive to the consumer and the smoking article 121 can therefore exhibit improved delivery of a smoke modifying additive to a consumer than convention smoking articles.
- the first, second and (where present) third filter sections described above are discrete segments. Although the first, second and (where present) third filter sections described above are connected together using tipping material, they are individually separate and distinct following their formation and prior to being connected together.
- the tipping material also connects the filter sections to the respective tobacco rod of each embodiment.
- a further plug wrap can be used to connect the first, second and (where present) third discrete filter sections before they are connected to the tobacco rods using the tipping material.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1219540.0 | 2012-10-31 | ||
GBGB1219540.0A GB201219540D0 (en) | 2012-10-31 | 2012-10-31 | A filter for a smoking article |
PCT/GB2013/052813 WO2014068295A1 (en) | 2012-10-31 | 2013-10-29 | A filter for a smoking article |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2013/052813 A-371-Of-International WO2014068295A1 (en) | 2012-10-31 | 2013-10-29 | A filter for a smoking article |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/011,409 Continuation US20210045436A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
US17/011,147 Continuation US20210030057A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150296878A1 true US20150296878A1 (en) | 2015-10-22 |
Family
ID=47358905
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/440,040 Abandoned US20150296878A1 (en) | 2012-10-31 | 2013-10-29 | Filter for a smoking article |
US17/011,147 Abandoned US20210030057A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
US17/011,409 Abandoned US20210045436A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/011,147 Abandoned US20210030057A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
US17/011,409 Abandoned US20210045436A1 (en) | 2012-10-31 | 2020-09-03 | Filter for a smoking article |
Country Status (23)
Country | Link |
---|---|
US (3) | US20150296878A1 (pl) |
EP (1) | EP2914137B1 (pl) |
JP (2) | JP2014090720A (pl) |
KR (5) | KR20150076216A (pl) |
CN (2) | CN113439872A (pl) |
AR (1) | AR093294A1 (pl) |
AU (1) | AU2013340588B2 (pl) |
BR (2) | BR112015009443B1 (pl) |
CA (2) | CA3116933A1 (pl) |
CL (1) | CL2015001125A1 (pl) |
DK (1) | DK2914137T3 (pl) |
ES (1) | ES2712943T3 (pl) |
GB (1) | GB201219540D0 (pl) |
HK (1) | HK1208601A1 (pl) |
HU (1) | HUE041761T2 (pl) |
MX (1) | MX2015005386A (pl) |
MY (1) | MY178585A (pl) |
PH (1) | PH12015500947A1 (pl) |
PL (1) | PL2914137T3 (pl) |
RU (2) | RU2635971C2 (pl) |
TR (1) | TR201903110T4 (pl) |
UA (4) | UA115998C2 (pl) |
WO (1) | WO2014068295A1 (pl) |
Cited By (14)
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US20130112216A1 (en) * | 2010-06-10 | 2013-05-09 | Paul Francis Clarke | Tobacco smoke filter |
US20160106147A1 (en) * | 2013-06-13 | 2016-04-21 | Essentra Filter Products Development Co. Pte. Ltd | Tobacco smoke filter |
NL2018776A (en) * | 2016-04-29 | 2017-11-06 | British American Tobacco Investments Ltd | A Filter Tube for a Smoking Article |
US20180295875A1 (en) * | 2015-05-22 | 2018-10-18 | Philip Morris Products S.A. | Aerosol generating article having mouthpiece with surface formations and removable tipping wrapper portion |
WO2019105950A1 (en) * | 2017-11-30 | 2019-06-06 | Philip Morris Products S.A. | Aerosol-generating article having mouthpiece with upstream cavity |
US20200245675A1 (en) * | 2017-10-25 | 2020-08-06 | British American Tobacco (Investments) Limited | A Filter for a Smoking Article or an Aerosol Generating Product |
WO2021123817A1 (en) * | 2019-12-20 | 2021-06-24 | Nicoventures Trading Limited | Article for use in an aerosol provision system |
US11058147B1 (en) * | 2016-07-29 | 2021-07-13 | Christopher L. Hurley | Freezable smoking pipe with integrated reflective particles |
US20220030937A1 (en) * | 2020-07-29 | 2022-02-03 | Acetate International Llc | Catalyst introduction methods for accelerated deacetylation of cellulose esters |
US11266176B2 (en) * | 2017-10-25 | 2022-03-08 | British American Tobacco (Investments) Limited | Filter for a smoking article or an aerosol generating product |
US11304442B2 (en) * | 2017-07-28 | 2022-04-19 | Sichuan Sanlian New Material Co., Ltd. | Smoke generation product and manufacturing method therefor |
US20220322731A1 (en) * | 2017-09-14 | 2022-10-13 | Altria Client Services Llc | Smoking article with reduced tobacco |
US12063961B2 (en) | 2017-09-06 | 2024-08-20 | Kt&G Corporation | Aerosol generation device |
US12102131B2 (en) | 2017-04-11 | 2024-10-01 | Kt&G Corporation | Aerosol generating device and method for providing adaptive feedback through puff recognition |
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KR102570776B1 (ko) * | 2014-08-11 | 2023-08-25 | 필립모리스 프로덕츠 에스.에이. | 흡연 물품용 수분 함유 활성탄 |
US20170360086A1 (en) * | 2014-12-08 | 2017-12-21 | British American Tobacco (Investments) Limited | A smoking article, a smoking article filter section and a method of manufacturing a smoking article |
TW201635927A (zh) | 2015-03-27 | 2016-10-16 | 菲利浦莫里斯製品股份有限公司 | 具有嘴端空腔及通氣的吸煙物件 |
KR102566126B1 (ko) * | 2015-04-30 | 2023-08-11 | 필립모리스 프로덕츠 에스.에이. | 높은 흡인 저항을 갖는 분리 가능한 청정제 전달 요소를 포함하는 에어로졸 발생 물품 |
TW201700019A (zh) | 2015-06-30 | 2017-01-01 | 菲利浦莫里斯製品股份有限公司 | 具有改良的熄滅性的菸製品 |
JP7061066B2 (ja) * | 2015-12-30 | 2022-04-27 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | 液体送達要素を備えるエアロゾル発生物品 |
ITUA20161917A1 (it) * | 2016-03-24 | 2017-09-24 | Gd Spa | Macchina e metodo per la produzione di filtri per sigarette. |
GB201608947D0 (en) | 2016-05-20 | 2016-07-06 | British American Tobacco Co | Consumable for aerosol generating device |
JP6790228B2 (ja) * | 2017-03-06 | 2020-11-25 | 日本たばこ産業株式会社 | フィルタ付き喫煙物品 |
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