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US20240423262A1 - Flat-Shaped Tobacco Article Comprising a Gap, and Associated Aerosol Generating Device and Assembly - Google Patents

Flat-Shaped Tobacco Article Comprising a Gap, and Associated Aerosol Generating Device and Assembly Download PDF

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Publication number
US20240423262A1
US20240423262A1 US18/687,049 US202218687049A US2024423262A1 US 20240423262 A1 US20240423262 A1 US 20240423262A1 US 202218687049 A US202218687049 A US 202218687049A US 2024423262 A1 US2024423262 A1 US 2024423262A1
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US
United States
Prior art keywords
flat
tobacco
aerosol generating
generating device
gap
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.)
Pending
Application number
US18/687,049
Other languages
English (en)
Inventor
Alec Wright
Andrew Robert John ROGAN
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.)
JT International SA
Original Assignee
JT International 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 JT International SA filed Critical JT International SA
Assigned to JT INTERNATIONAL S.A. reassignment JT INTERNATIONAL S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROGAN, Andrew Robert John, WRIGHT, Alec
Publication of US20240423262A1 publication Critical patent/US20240423262A1/en
Pending legal-status Critical Current

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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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • 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
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • 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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F7/00—Mouthpieces for pipes; Mouthpieces for cigar or cigarette holders

Definitions

  • the present invention concerns a flat-shaped tobacco article comprising a gap.
  • the present invention also concerns an aerosol generating device and an aerosol generating assembly associated to such an article.
  • the aerosol generating device is configured to operate with the flat-shaped tobacco article according to the invention which comprises for example a solid substrate able to form aerosol when being heated.
  • the flat-shaped tobacco article according to the invention which comprises for example a solid substrate able to form aerosol when being heated.
  • aerosol generating devices also known as heat-not-burn devices, is adapted to heat, rather than burn, the substrate by conduction, convection and/or radiation, to generate aerosol for inhalation.
  • reduced-risk or modified-risk devices also known as vaporisers
  • vaporisers have grown rapidly in the past few years as an aid to assist habitual smokers wishing to quit smoking traditional tobacco products such as cigarettes, cigars, cigarillos, and rolling tobacco.
  • Various devices and systems are available that heat or warm vaporizable substances as opposed to burning tobacco in conventional tobacco products.
  • a commonly available reduced-risk or modified-risk device is the heated substrate aerosol generation device or heat-not-burn device.
  • Devices of this type generate aerosol or vapour by heating an aerosol substrate that typically comprises moist leaf tobacco or other suitable vaporizable material to a temperature typically in the range 150° C. to 350° C. Heating an aerosol substrate, but not combusting or burning it, releases aerosol that comprises the components sought by the user but not the toxic and carcinogenic by-products of combustion and burning.
  • the aerosol produced by heating the tobacco or other vaporizable material does not typically comprise the burnt or bitter taste resulting from combustion and burning that can be unpleasant for the user and so the substrate does not therefore require the sugars and other additives that are typically added to such materials to make the smoke and/or vapour more palatable for the user.
  • Tobacco articles usable with such type of aerosol generating devices can take various forms. Some of them can present an elongated stick or any other suitable shape, like for example a flat shape. However, design of a tobacco article is often a trade-off between its aesthetics and efficiency in heating.
  • One of the aims of the invention is to provide a flat-shaped tobacco article with increased heating efficiency.
  • the invention relates to a flat-shaped tobacco article configured to operate with an aerosol generating device and extending along an article axis between a mouth end and an abutting end, the tobacco article comprising a mouthpiece portion adjacent to the mouth end and a tobacco portion adjacent to the abutting end;
  • the heating blade can be close to the substrate layer increasing thus heating efficiency. Particularly, in this case, no intermediate layer (like a paper wrapper) is interposed between the heating blade and the substrate layer. Additionally, the wrapper preserves the external shape and attractive appearance of the tobacco article for the user.
  • the gap is adapted to receive the heating blade of the aerosol generating device so as the heating blade is in contact with the corresponding side of the substrate layer.
  • the heating efficiency can be further increased as substantially all heat generated by the heating blade is transmitted from the heating blade to the substrate layer.
  • the substrate layer is thicker than the gap.
  • the substrate layer can contain a greater quantity of vaporizable material.
  • the time of using of the tobacco article can be prolonged.
  • the mouthpiece portion is adjacent to the tobacco portion.
  • the mouthpiece portion comprises a core and a wrapper forming an internal surface and arranged around the core so as its entire internal surface is in contact with the core.
  • the core can act as a filtering member and/or as a cooling member. Additionally, no gap is formed in the mouthpiece portion. Thus, when the mouthpiece portion forms a filter and/or a cooler, the flow formed in the tobacco portion can be fully filtered and/or at least slightly cooled before achieving the user's mouth/lips.
  • the internal surface of the wrapper is defined by a single wrapping sheet.
  • the single wrapping sheet may be bended so that the internal surface comprises four parts.
  • one part of the internal surface may be in contact with one side of the substrate layer, and another part of the internal surface may form the gap with the other side of the substrate layer.
  • the substrate surface extends substantially along the whole length of the tobacco portion along the article axis and/or extends transversally to the article axis along a whole width delimited by the internal surface of the wrapper.
  • the core comprises corrugated paper.
  • the cost of the tobacco article can be decreased while preserving a desired design.
  • the present invention also concerns an aerosol generating device configured to receive the flat-shaped tobacco article as defined above, the aerosol generating device comprising a heating blade configured to be received in the gap of the flat-shaped tobacco article.
  • the present invention also concerns an aerosol generating device comprising a heating chamber extending along a device axis between a closed end and an opening;
  • the heating blade can be received in the gap formed in the article.
  • the heating blade forms two opposite sides, one of these sides being designed to be in contact with the substrate layer of the tobacco portion of the flat-shaped tobacco article and the other side being designed to be in contact with the internal surface of the wrapper of the tobacco portion of the flat-shaped tobacco article.
  • the heating blade comprises a heating element arranged on the side of the heating blade designed to be in contact with the internal surface of the wrapper of the tobacco portion of the flat-shaped tobacco article.
  • the heating efficiency can be further increased as the heating element is arranged only on the side of the heating blade which faces the substrate layer.
  • the heating chamber comprises two parallel opposite walls extending along the device axis, the heating blade extending parallel to said opposite walls with uneven distances until these walls.
  • the heating blade extends between one of said opposite walls and a plane arranged at mid-distance between these opposite walls.
  • the heating blade can be received in the gap without additional adjustment while insertion.
  • the wall of the heating chamber can act as guiding means for the heating blade.
  • the invention also relates to an aerosol generating assembly, comprising:
  • FIG. 1 is a perspective view of an aerosol generating assembly according to the invention, the aerosol generating assembly comprising an aerosol generating device according to the invention and a flat-shaped tobacco article according the invention, the flat-shaped tobacco article being usable with the aerosol generating device;
  • FIG. 2 is a perspective view of the flat-shaped tobacco article of FIG. 1 ;
  • FIG. 3 is different views (A: top, B: front, C: bottom) of the flat-shaped tobacco article of FIG. 2 ;
  • FIG. 4 is different views (A: front, B: side) of a heating chamber integrated in the aerosol generating device of FIG. 1 ;
  • FIG. 5 is a side view of the flat-shaped tobacco article of FIG. 2 inserted in the heating chamber of FIG. 4 .
  • the term “aerosol generating device” or “device” may include a vaping device to deliver an aerosol to a user, including an aerosol for vaping, by means of a heater element explained in further detail below.
  • the device may be portable. “Portable” may refer to the device being for use when held by a user.
  • the device may be adapted to generate a variable amount of aerosol, e.g. by activating the heater element for a variable amount of time (as opposed to a metered dose of aerosol), which can be controlled by a trigger.
  • the trigger may be user activated, such as a vaping button and/or inhalation sensor.
  • the inhalation sensor may be sensitive to the strength of inhalation as well as the duration of inhalation to enable a variable amount of vapour to be provided (so as to mimic the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe, etc.).
  • the device may include a temperature regulation control to drive the temperature of the heater and/or the heated aerosol generating substance (aerosol pre-cursor) to a specified target temperature and thereafter to maintain the temperature at the target temperature that enables efficient generation of aerosol.
  • aerosol may include a suspension of vaporizable material as one or more of: solid particles; liquid droplets; gas. Said suspension may be in a gas including air. Aerosol herein may generally refer to/include a vapour. Aerosol may include one or more components of the vaporizable material.
  • vaporizable material may refer to a smokable material which may for example comprise nicotine or tobacco and an aerosol former.
  • tobacco may take the form of various materials such as shredded tobacco, granulated tobacco, tobacco leaf and/or reconstituted tobacco.
  • Suitable aerosol formers include: a polyol such as sorbitol, glycerol, and glycols like propylene glycol or triethylene glycol; a non-polyol such as monohydric alcohols, acids such as lactic acid, glycerol derivatives, esters such as triacetin, triethylene glycol diacetate, triethyl citrate, glycerin or vegetable glycerin.
  • the aerosol generating agent may be glycerol, propylene glycol, or a mixture of glycerol and propylene glycol.
  • the substrate may also comprise at least one of a gelling agent, a binding agent, a stabilizing agent, and a humectant.
  • FIG. 1 shows an aerosol generating assembly 10 comprising an aerosol generating device 11 and a flat-shaped tobacco article 12 , called hereinafter tobacco article 12 .
  • the aerosol generating device 11 is intended to operate with the flat-shaped tobacco article 12 which is shown in more detail on FIGS. 2 and 3 .
  • the tobacco article 12 is for example a flat-shaped cuboid extending along an article axis X and having external dimensions L ⁇ W ⁇ D.
  • the length L of the article 12 according to the article axis X equals substantially to 33 mm while its width W and depth D are substantially equal respectively to 12 mm and 1.2 mm.
  • the values L, W and D can be selected within a range of +/ ⁇ 40%, for example.
  • the depth D of the tobacco article 12 is formed by a pair of parallel walls 13 A, 13 B, called hereinafter narrow walls 13 A, 13 B, and the width W of the substrate is formed by a pair of parallel walls 14 A, 14 B, called hereinafter wide walls 14 A, 14 B.
  • the edges between the wide and narrow walls 13 A, 13 B, 14 A, 14 B can be rounded.
  • the tobacco article 12 can have any other suitable flat shape and/or external dimensions.
  • the tobacco article 12 comprises a tobacco portion 15 and a mouthpiece portion 16 arranged along the article axis X.
  • the tobacco portion 15 may for example be slightly longer than the mouthpiece portion 16 .
  • the length L 2 of the tobacco portion 15 according to the article axis X may be substantially equal to 18 mm and the length L 1 of the mouthpiece portion 16 according to the article axis X may be substantially equal to 15 mm.
  • the tobacco portion 15 defines an abutting end 18 of the article 12 and the mouthpiece portion 16 defines a mouth end 20 of the article 12 .
  • the tobacco portion 15 and the mouthpiece portion 16 may be fixed one to the other by a wrapper 21 extending around the substrate axis X.
  • the wrapper 21 forms the narrow and wide walls 13 A, 13 B, 14 A, 14 B of the tobacco article 12 .
  • the wrapper 21 is formed from a same wrapping sheet.
  • the narrow and wide walls 13 A, 13 B, 14 A, 14 B are formed by a same wrapping sheet, in particular bended so as to form these walls.
  • the wrapper 21 is formed by separate wrapping sheets wrapping separately the portions 15 , 16 and fixed one to the other by any other suitable mean.
  • the wrapper 21 may, for example, comprise paper and/or non-woven fabric and/or aluminium foil.
  • the wrapper 21 may be porous or air impermeable and forms a plurality of airflow channels extending inside the article 12 between the abutting end 18 and the mouth end 20 .
  • the mouthpiece portion 16 comprises a core 27 also shown on part A of FIG. 3 corresponding to a top view of the tobacco article 12 .
  • the core 27 is intended to act for example as a cooler to cool slightly the vapour before it is inhaled by the user and may comprise for this purpose for example corrugated paper.
  • the core 27 may be formed through an extrusion and/or rolling process into a stable shape.
  • the core 27 is arranged inside the mouthpiece portion 16 to be entirely in contact with the internal surface of the wrapper 21 delimiting this mouthpiece portion 16 , as it is shown on part A of FIG. 3 . In other words, no gap is formed in the mouthpiece portion 16 between the internal surface of the wrapper 21 and the core 27 .
  • the mouthpiece portions 16 defines a plurality of venting holes arranged for example according to the whole perimeter of the mouthpiece portion 16 along two axis perpendicular to the article axis X.
  • the venting holes are arranged on each wall of the substrate among the narrow walls 13 A, 13 B and the wide walls 14 A, 14 B.
  • the venting holes are arranged only on the wide walls 14 A, 14 B or preferably, only on one of the wide walls 14 A, 14 B.
  • the venting holes may be aligned perpendicularly to the article axis X on the or each corresponding wall of the article 12 , and can be spaced by a same distance.
  • the venting holes allow fresh air entering inside the article 12 to achieve particular vaping/tasting effects.
  • no venting hole is provided.
  • the tobacco portion 15 is intended to be heated by a heating blade as it will be explained in further detail below.
  • the tobacco portion 15 comprises a substrate layer 30 comprising a vaporizable material as defined above.
  • the substrate layer 30 extends inside the tobacco portion 15 along the article axis X and forms two opposite sides.
  • the substrate layer 30 is arranged so as one of its side is in contact with the wrapper 21 and the other side forms a gap 32 with the wrapper 21 .
  • one of the sides of the substrate layer 30 can be in contact with the wide wall 14 A and the other side can form the gap 32 with the wide wall 14 B.
  • the gap 32 is formed between the internal surface of the wrapper 21 and the corresponding side of the substrate layer 30 .
  • the gap 32 is configured to receive the heating blade parallel to the substrate layer 30 as it will be explained in further detail below. Additionally, as it shown on part C of FIG. 3 , the substrate layer 30 can be thicker than the gap 32 . Particularly, the thickness of the substrate layer 30 can be 1.5 or 2 or 3 times greater than the thickness of the gap 32 . For example, the thickness of the substrate layer 30 can be comprised between 0.7 and 1.1 mm whereas the thickness of the gap 32 can be comprised between 0.1 and 0.5 mm. According to another embodiment, the substrate layer 30 and the gap 32 have the same thicknesses.
  • the tobacco article 12 can be inserted inside the device 11 through for example a flow outlet.
  • the mouthpiece 42 defines a through hole adapted to receive at least partially the tobacco article 12 .
  • the through hole can be adapted to receive at least a part of the mouthpiece portion 16 of the tobacco article 12 as it is shown on FIG. 1 .
  • the housing 44 delimits an internal space of the device 11 receiving various elements designed to carry out different functionalities of the device 11 .
  • This internal space can for example receive a battery for powering the device 11 , a control module for controlling the operation of the device 11 , a heating chamber 50 for heating the tobacco portion 15 of the tobacco article 12 , etc.
  • a control module for controlling the operation of the device 11
  • a heating chamber 50 for heating the tobacco portion 15 of the tobacco article 12 , etc.
  • only the heating chamber 50 will be explained in further detail in reference to FIGS. 4 and 5 .
  • the bottom wall 58 forms thus a closed end of the chamber 50 .
  • the heating chamber 50 defines an opening 60 configured to receive the tobacco article 12 so as the corresponding wide walls 14 A, 14 B of the tobacco article 12 face the corresponding wide walls 54 A, 54 B of the heating chamber 50 , the corresponding narrow walls 13 A, 13 B of the tobacco article 12 face the corresponding narrow walls 53 A, 53 B of the heating chamber 50 and the abutting end 18 of the tobacco article 12 abuts against the bottom wall 58 or at least a rib extending from this bottom wall 58 .
  • the heating chamber 50 further comprises a heating blade 62 extending from the bottom wall 58 along the device axis Y.
  • the heating blade 62 can extend along at least a half, advantageously 3 ⁇ 4, of the total length of the heating chamber 50 according to the device axis Y.
  • the heating blade 62 can be arranged with uneven distances until the wide walls 54 A, 54 B of the heating chamber 50 .
  • the heating blade 62 can extend between the wide wall 54 A of the heating chamber and a plane arranged at mid-distance between the wide walls 54 A, 54 B.
  • the heating blade 62 can be arranged closer to the wide wall 54 A than to the wide wall 54 B. This arrangement allows the heating blade 62 to be received in the gap 32 of the tobacco article 12 .
  • This respective position of the heating blade 62 and the tobacco article 12 is shown on FIG. 5 .
  • the heating blade 62 forms two opposite sides and comprises a heating element 64 arranged on one of the sides. Particularly, as it is shown on part B of FIG. 4 , the heating element 64 is arranged to face the wide wall 54 B of the heating chamber 50 . In other words, the heating element 64 is arranged to face a greater volume formed between the heating blade 62 and the corresponding wide wall of the heating chamber 50 in comparison with the volume formed between the heating blade 62 and the other wide wall of the heating chamber 50 . Thus, as shown on FIG. 5 , the heating element 64 is configured to be in contact with the substrate layer 30 to heat this substrate layer 30 by conduction.
  • the heating element 64 may form a heating track or a polyimide film heater extending along substantially the total area of the corresponding side of the heating blade 62 or only for example a centre part of this side.
  • the heating blade 62 may be made of ceramic or metal. Its thickness can for example be comprised between 0.1 mm and 0.5 mm, and can be advantageously equal to 0.3 mm.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
US18/687,049 2021-08-31 2022-08-30 Flat-Shaped Tobacco Article Comprising a Gap, and Associated Aerosol Generating Device and Assembly Pending US20240423262A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21193964.0 2021-08-31
EP21193964 2021-08-31
PCT/EP2022/074041 WO2023031171A1 (fr) 2021-08-31 2022-08-30 Article de tabac de forme plate comprenant un espace et dispositif et ensemble de génération d'aérosol associés

Publications (1)

Publication Number Publication Date
US20240423262A1 true US20240423262A1 (en) 2024-12-26

Family

ID=77563959

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/687,049 Pending US20240423262A1 (en) 2021-08-31 2022-08-30 Flat-Shaped Tobacco Article Comprising a Gap, and Associated Aerosol Generating Device and Assembly

Country Status (5)

Country Link
US (1) US20240423262A1 (fr)
EP (1) EP4395571A1 (fr)
JP (1) JP2024532047A (fr)
KR (1) KR20240053044A (fr)
WO (1) WO2023031171A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11065402B2 (en) * 2014-02-04 2021-07-20 Gseh Holistic, Inc. Aromatherapy vaporization device
RU2685331C2 (ru) * 2014-07-11 2019-04-17 Филип Моррис Продактс С.А. Система, генерирующая аэрозоль, с улучшенным управлением потоком воздуха
US20170119050A1 (en) * 2015-10-30 2017-05-04 British American Tobacco (Investments) Limited Article for Use with Apparatus for Heating Smokable Material
EP3183979B1 (fr) * 2015-12-22 2018-06-06 Philip Morris Products S.a.s. Ensemble de cartouche destiné à un système de génération d'aérosol et système de génération d'aérosol comprenant un ensemble de cartouche
EA202193242A1 (ru) * 2019-05-29 2022-03-18 ДжейТи ИНТЕРНЕШНЛ СА Картридж для устройства, генерирующего аэрозоль
EP3782492A1 (fr) * 2019-08-23 2021-02-24 Nerudia Limited Consommable à fumer de substitution

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Publication number Publication date
JP2024532047A (ja) 2024-09-05
EP4395571A1 (fr) 2024-07-10
KR20240053044A (ko) 2024-04-23
WO2023031171A1 (fr) 2023-03-09

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AS Assignment

Owner name: JT INTERNATIONAL S.A., SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WRIGHT, ALEC;ROGAN, ANDREW ROBERT JOHN;REEL/FRAME:066903/0719

Effective date: 20220901

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Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION