WO2016171997A2 - Composition de tabac sans fumée, procédé et appareil de vaporisation - Google Patents

Composition de tabac sans fumée, procédé et appareil de vaporisation Download PDF

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Publication number
WO2016171997A2
WO2016171997A2 PCT/US2016/027639 US2016027639W WO2016171997A2 WO 2016171997 A2 WO2016171997 A2 WO 2016171997A2 US 2016027639 W US2016027639 W US 2016027639W WO 2016171997 A2 WO2016171997 A2 WO 2016171997A2
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WO
WIPO (PCT)
Prior art keywords
liquid
tobacco
plant matter
nicotine
chamber
Prior art date
Application number
PCT/US2016/027639
Other languages
English (en)
Other versions
WO2016171997A3 (fr
Inventor
Paul VIRIYAPANTHU
Original Assignee
Viriyapanthu Paul
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 Viriyapanthu Paul filed Critical Viriyapanthu Paul
Publication of WO2016171997A2 publication Critical patent/WO2016171997A2/fr
Publication of WO2016171997A3 publication Critical patent/WO2016171997A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F42/00—Simulated smoking devices other than electrically operated; Component parts thereof; Manufacture or testing thereof
    • A24F42/10—Devices with chemical heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F42/00—Simulated smoking devices other than electrically operated; Component parts thereof; Manufacture or testing thereof
    • A24F42/60—Constructional details
    • 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

Definitions

  • the present application pertains to the field of smokeless tobacco, electronic cigarettes and/or Tobacco substitutes.
  • Tobacco has been used by human beings as a stimulant for centuries. Perhaps the most common means by which tobacco is used is through a cigarette.
  • a cigarette delivers nicotine through burning of tobacco which releases nicotine particles carried in the smoke which is subsequently inhaled by the user and enters the body's blood stream through the lungs.
  • the inhalation of smoke from cigarettes is known to have detrimental health effects upon the human body.
  • the burning of tobacco also releases tar and carcinogens in the process of combustion.
  • Such unwanted chemicals lead to health problems among cigarette smokers, including lung cancer and emphysema.
  • U.S. Patent US 20050016550 Al (“Electronic cigarette") published on Jan 27, 2005 for Katase discloses an electronic cigarette which utilizes a nozzle to aerosolize pressurized nicotine liquid solution.
  • U.S. Patent US 8794231 B2 published Aug 5, 2014 (“Electrically heated smoking system having a liquid storage portion") for Thorens, Flick, and Cochand discloses an electronic cigarette which utilizes a cartridge containing liquid nicotine solution and an internal electrical battery for power.
  • Batteries used in electronic cigarettes (generally lithium) operate between 3.0 to 4.2 volts. Increasing the electrical power increases the heat produced by the coil. Increased heat results in greater vapor production.
  • the disclosure by Bellinger/Ward attempts to correct some of the limitations of electrical power by allowing the user to adjust the power output to compensate for changes in resistance.
  • U.S. Patent US6164287 A (“smoking method”) published Dec 26, 2000 for White discloses a method for vaporization/smoking of tobacco utilizing compressed tobacco powder to a temperature of above 250° but below combustion temperature.
  • Prior art has disclosed means of using electrical heaters to heat tobacco or tobacco flavor-containing materials to form an aerosol. See, e.g., U.S. Pat. No. 2,104,266 to McCormick, U.S. Pat. No. 4,735,217 to Gerth et al., U.S. Pat. No. 5, 144,962 to Counts et al., U.S. Pat. No. 5,224,498 to Deevi et al., U.S. Pat. No.
  • U.S. Patent Application US20130042865 Al (“Low temperature electronic vaporization device and methods”) published Feb 21, 2013 for Monsees, Bowen, Myall, and Hunter discloses a method and apparatus for producing inhalable aerosol by electrically heating viscous material and utilizing a printed circuit board to regulate the temperature between 100° to 200° Celsius (with a targeted) temperature of 150° Celsius.
  • U.S. Patent US8925555 B2 (“Method and system for vaporization of a substance”) published Jan 6, 2015 for
  • Monsees/Bowen discloses a method utilizing a cartridge containing tobacco utilizing heat regulated to be below 400° to release nicotine.
  • U.S. Pat. No. 4,848,374, issued Jul. 18, 1989 to Chard et al describe a smoking device to vaporize aerosol precursor, an event which precedes condensation to mainstream aerosol precursor by contact with heated surface rather than by hot gases into the mouth of a smoker.
  • thermoplastic material thermoplastic material
  • liquid nicotine as used in electronic cigarettes must be purified for use, which entails a greater degree of processing and refining when compared to actual tobacco plant leaf, which is grown and harvested in the same manner as other agricultural products.
  • nicotine itself is poisonous and can be absorbed directly through the skin.
  • Use and handling of liquid nicotine poses a greater health hazard than handling of tobacco leaf the latter of which may safely be handled by bare hand.
  • Tobacco plant leaf has a relatively low concentration of nicotine and is safe to handle in comparison to liquid nicotine which has been processed to increase concentration of nicotine.
  • heat not burn prior art suffers a limitation in that limiting the temperature has the corollary effect of limiting the amount of nicotine that can be released from tobacco per inhale. Heat is a mechanism which releases nicotine from tobacco. Increasing the heat increases the amount of nicotine that may be volatized and inhaled. As compared to a burning cigarette, prior art "heat not burn” devices operate at a much lower temperature and delivers lower levels of nicotine.
  • the present invention is directed as an improvement in the delivery of nicotine into the human body by alternative means other than burning tobacco to produce smoke.
  • the present invention discloses a novel composition of tobacco, as well as the apparatus and method for vaporization utilizing liquid saturation so as to allow delivery of nicotine or other chemicals in the form of vapor rather than smoke.
  • the use of saturating tobacco in liquid inhibits combustion and allows the tobacco to be heated to temperatures exceeding the boiling temperature of nicotine -thus releasing the nicotine in inhalable form without burning the tobacco.
  • the use of liquid in the tobacco effectively increases the range of temperature to which tobacco can be heated to release nicotine in the form of vapor while simultaneously avoiding burning.
  • the apparatus disclosed may also be used with nicotine liquid which has already been developed and disclosed in prior art.
  • the present disclosure allows the user to alternate between using tobacco directly or using liquid nicotine solution.
  • Electronic cigarettes using liquid nicotine have been made illegal by numerous countries which have deemed it to be a drug delivery device.
  • the present disclosure provides an advantage as it is designed to comply with the laws of such countries.
  • the present disclosure is designed to allow an individual travelling abroad to alternate between using actual tobacco and nicotine liquid in accordance with applicable local laws.
  • the present invention discloses a novel composition of smokeless tobacco which is designed to produce water vapor containing inhalable nicotine— instead of smoke— when heated.
  • the preferred embodiment utilizes tobacco that has been organically grown without the use of pesticides or curing by heat.
  • the traditional process of heat curing tobacco results in the creation of tobacco specific nitrosamines
  • TSNA waxy leaf residue from the tobacco which has anti-cancer properties that was disclosed in U.S. Patent US7977384 B l (“Anticancer tobacco cembranoids”).
  • the composition of tobacco has been treated by means of saturation with liquid such that the liquid content in the tobacco constitutes at least 50% of the overall weight by volume of tobacco at room temperature.
  • the use of liquid inhibits combustion when the tobacco is exposed to heat, such as from an electrical heating element or flame allows the nicotine from tobacco to be released in the form of water vapor.
  • the present invention discloses the composition of tobacco and the method for creation and use.
  • the present application also discloses, in accordance with one or more embodiments, (a) a design for an atomization chamber utilizing a butane flame to be used in conjunction with the tobacco composition (b) a design for an atomization chamber utilizing electricity to be used in conjunction with the tobacco composition (c) a design for a pouching system to be utilized in conjunction with the tobacco composition, and (d) a design for an apparatus to be used in conjunction with the tobacco composition which is also capable of utilizing liquid nicotine solution by placement of fibrous wicking material, such as cotton, rayon, or silica, in the chamber of the apparatus instead of tobacco.
  • fibrous wicking material such as cotton, rayon, or silica
  • Fig. 1 is a flow diagram illustrating the procedural steps for creation of the smokeless tobacco composition according to an embodiment of the present invention
  • Fig. 2 is a perspective view illustrating a pouch to be used in conjunction with the smokeless tobacco composition according to an embodiment of the present invention
  • FIG. 3 is a perspective view illustrating the construction of the pouch according to an embodiment of the present invention.
  • Fig. 4 is an exploded view illustrating an electricity powered atomization chamber to be used in conjunction with the smokeless tobacco composition according to an embodiment of the present invention
  • FIG. 4A is a cross section view illustrating an electricity powered atomization chamber to be used in conjunction with the smokeless tobacco composition according to an embodiment of the present invention
  • Fig. 5 is an exploded view illustrating an atomization chamber powered by gas flame to be used in conjunction with the smokeless tobacco composition to release inhalable nicotine according to an embodiment of the present invention
  • Fig. 5A is a cross section view illustrating an atomization chamber powered by gas flame to be used in conjunction with the smokeless tobacco composition to release inhalable nicotine according to an embodiment of the present invention.
  • FIG. 6 is a cross section view illustrating an atomization chamber powered by a gas flame according to an embodiment of the present invention
  • Fig. 7 is an exploded view illustrating an apparatus powered by butane or other gas according to an embodiment of the present invention.
  • Fig. 8 is a perspective view illustrating an apparatus powered by butane or other gas according to an embodiment of the present invention.
  • Fig. 1 depicts a flow diagram of the method for creation of the tobacco composition.
  • the method includes dehydrating the tobacco, at 1, to remove the water content from the leaf which naturally results from the cultivation process. Dehydration is necessary so that the natural water content of the leaf may be replaced later by liquids, such as propylene glycol or glycerin, which produce visible water vapor clouds upon heating thus simulating the sensation of smoking.
  • the traditional method employed to create tobacco suitable for cigarettes and cigars is heat curing.
  • the heat curing process is known to result in the formation Tobacco Specific Nitrosamines within the tobacco, commonly referred to as "TSNA"'s, which are known carcinogens in humans.
  • TSNA Tobacco Specific Nitrosamines within the tobacco
  • the disclosed tobacco composition may be created using heat curing to dehydrate the tobacco leaf
  • the preferred methodology to dehydrate the tobacco leaf is freeze drying. Freeze drying is preferred as the process does not result in the formation of TSNA's within the tobacco, and better preserves the waxy coating on the tobacco leaf, which is known to contain compounds with anti cancer properties. See U.S. Patent US7977384 B l ("Anticancer tobacco cembranoids78") published July 12, 2011 for El Sayed, Shah, and Sylvester.
  • the tobacco is granulated, at 2.
  • Cutting or shredding which is the traditional method to granulate tobacco used in cigars and cigarettes, is the preferred method of granulation used to create the present disclosed tobacco composition.
  • the tobacco is then saturated with liquid, at 3, by mixing the tobacco with its equivalent weight, or greater, of liquid resulting in a tobacco composition with a weight by volume comprised of at least 50% liquid.
  • liquid for example, for lOOg of tobacco, at least lOOg or more of liquid would be added.
  • a minimum 1 : 1 ratio of tobacco to liquid is necessary to allow the tobacco to be heated to temperatures equal to or greater than the boiling temperature of nicotine without combusting.
  • a lower ratio of liquid to tobacco results in the tobacco combusting when heated to such temperatures.
  • the amount of liquid used must be equal or greater than the dry weight of the tobacco. Liquid saturation inhibits combustion of the tobacco when heated, and provides a source of hydration for the nicotine to be carried into the human body.
  • Fig. 2 depicts a pouch that may be used optionally in conjunction with the present disclosed tobacco composition as it facilitates easier use by the consumer as the tobacco composition may be messy if handled only by hand.
  • the pouch allows for placement of the tobacco composition inside, and thus facilitates easier loading inside of the vaporizing apparatus.
  • Use of the pouch allows the density of the tobacco placed inside to be controlled.
  • Fig. 2 depicts a pouch with tobacco held inside. Tobacco is placed through the opening of the pouch, at 4, and is held in inside the pouch, at 5, which is in turn placed inside a vaporizing apparatus.
  • Fig. 3 depicts the construction of the pouch.
  • the pouch may be constructed out of various sheet materials, including but not limited to woven cloth (such as cotton or rayon), paper (such as crepe paper), or metal mesh such as brass or steel wire mesh.
  • the constituent material is cut in a rectangular shape with one end folded over, at 6, to form a pouch shape. Two sides are held together by means of adhesive or sewing at the seams, at 7, forming a single opening on one side, at 4, into which tobacco may be placed inside.
  • the pouch is designed to be either sold prepackaged with tobacco inside by a manufacturer, or sold individually so as to allow a consumer to self pack tobacco inside.
  • Fig. 4 illustrates the design for an atomization chamber to be used in conjunction with the disclosed tobacco composition and powered by electricity.
  • Fig. 4A illustrates a cross sectional view of an atomization chamber to be used in conjunction with the disclosed tobacco composition and powered by electricity.
  • US3200819 A Sudokeless non-tobacco cigarette
  • U.S. Patent US8689805 B2 electro cigarette
  • electro cigarette electro-cigarette
  • electricity powered electronic cigarettes have already been developed and are commercially available. Such devices, however, cannot utilize tobacco directly.
  • most commercially available electronic cigarettes are sold in component form with one part of the electronic cigarette being the housing for the battery, which supplies electrical energy, and the atomizer, which transforms liquid nicotine solution into inhalable form, being separate units.
  • the atomizer is connected to the battery housing by a threaded connector with an electrical terminal.
  • the atomization chamber illustrated in Figure 4 and Figure 4A is designed to retrofit to the battery housings of previously manufactured electronic cigarettes so as to allow owners of such devices to also be able use present tobacco invention.
  • the atomization chamber is comprised of a circular base, at 8, machined from metal, preferably steel.
  • the base has a threaded connector at the bottom, at 9, which allows attachment to the threaded connector of an electronic cigarette battery compartment.
  • the base also has threading along the top portion of the base, at 10, which allows for connection with the side wall of the atomization chamber, at 1 1.
  • the side wall of the atomization chamber, 1 1, is designed to be removable so as to allow for access during cleaning.
  • An electrical insulator made from injection molded plastic, at 12 slides into the base from the top and insulates the positive electrical post, 13, which fits inside the insulator, 12, which in turn slides into the atomizer base, 8.
  • the bottom end of the electrical post, 13, slides into the bottom threaded connector, 9, to make contact with the positive terminal of the electronic cigarette battery compartment.
  • the electrical post of the atomizing chamber, 13, has a positive terminal on the top of the post, 14, with a threaded hole to one side, 15, which allows fitment of a screw, at 16, which secures the electrical resistance wire by clamping.
  • the electrical post, 13, has a second hole at the top, 17, into which one end of electrical resistance wire which has been formed into a heating coil, 18, is inserted, and held by tightening the clamping screw, at 16.
  • the other end of the coiled resistance wire, 18, is inserted into the negative electrical post, 19.
  • the negative electrical post, 19, is formed from a single piece of metal with a threaded end at the bottom, 20, which fits into a corresponding threaded hole, 21, on the atomizer base, 8.
  • the top end of the negative electrical post has a terminal with one hole, 21, into which one end of the electrical resistance wire is inserted, and a threaded hole, 22, into which a screw, 23, is threaded to secure the resistance wire by clamping.
  • the side wall, 11, attached to the base, 8 the user inserts from the top the tobacco composition/pouch, 24, into the atomization chamber. Once the tobacco composition has been placed inside the chamber, the top lid, 25, is secured.
  • the top lid, 25, is internally threaded, at 26, to allow attachment to corresponding threading, 27, on the side wall, 11, and has a mouthpiece, 28, which is placed inside the user's mouth.
  • the electrical energy from a battery passes through the coil of resistance wire, 18, to generate heat, which results in inhalable water vapor containing nicotine being released when air flow enters through the air flow opening, 57, and passes over the tobacco pouch, 24.
  • the pouch used in conjunction with this atomizing chamber design should be constructed out of non-conductive material, such as paper or cotton, silica, or rayon cloth.
  • non-conductive material such as paper or cotton, silica, or rayon cloth.
  • the paper or cloth the pouch is constructed from is also saturated with liquid.
  • the pouch containing tobacco may be manually moistened by the user, or may be sold in a prepackaged form already saturated with liquid.
  • the atomization chamber is designed to allow the user to alternate between using the tobacco composition or liquid nicotine solution, which is used in conventional electronic cigarettes.
  • the user inserts fibrous material such as cotton, silica, or rayon, which acts as a wick to hold the liquid, and saturates with nicotine containing liquid. Electrical energy passing through the resistance coil produces heat, which releases the nicotine.
  • Fig. 5 depicts an atomization chamber powered by gas flame, such as butane.
  • Fig. 5 A depicts a cross section view of an atomization chamber powered by gas flame, such as butane.
  • the individual components comprising the atomization chamber may be constructed from machined metal, such as stainless steel, or injection molded from high temperature thermoplastic.
  • the atomization chamber depicted in Figure 5 utilizes some of the same components as the chamber depicted in Fig. 4 and Figure 4A and, accordingly, some of the same reference numbers will be used to identify the parts.
  • the gas or butane powered atomization chamber is comprised of a top lid, 25, with a mouth piece, 28, which is placed into the user's mouth.
  • the top lid is interior threaded on the bottom, 26, to allow fitment onto the threading, at 27, of the side wall of the chamber, 11.
  • the top lid, 25, is removable so as to allow placement of tobacco, 24, inside the chamber.
  • the side wall, 11, is removable to facilitate ease of cleaning, and is exterior threaded at the top, 27, to correspond with the threading, 26, of the top lid, at 25, and interior threaded at the bottom, 29, to allow attachment to the base of the chamber, 31.
  • the base, 31, is exterior threaded, 32, to allow attachment of the side wall, 11, and has a central opening, at 33, onto which the tobacco composition, 24, is placed on top of. The heat from the flame, 30, passes through the opening, 33, into the tobacco composition, which results in the production of inhalable nicotine.
  • the base of the chamber, 31, has posts, 34, to hold the opening of the chamber, 33, a distance away from the flame, 30, so as to control temperature and allow venting of excess heat before it enters the chamber.
  • the atomization chamber may also operate using liquid nicotine by replacing the tobacco composition, 24, with a fibrous wicking material saturated with liquid containing nicotine.
  • Fig. 6 depicts an alternate embodiment of a gas flame powered atomization chamber with the direction of the airflow towards the user's mouth being perpendicular to the direction of the flame.
  • the direction of the air flow is signified by arrows on the figure.
  • the atomization chamber, 35 is composed of a hollow cylindrical tube which is open at both ends of the tube.
  • the opening of the tube farthest from the user's mouth, 36 allows air to enter the chamber.
  • the opening nearest the user's mouth is identified as 37.
  • the atomization chamber has two openings perpendicular to the length of the tube.
  • the bottom opening, 38 allows heat from a flame, 30, to pass into the chamber and the tobacco composition.
  • the top opening, 39 allows excess heat from the chamber to ventilate out while also drawing in air towards the users mouth.
  • the user places the tobacco composition, 24, from one end of the chamber to directly between the holes, 38 and 39, which align with the flame, 30.
  • the atomization chamber is also capable of utilizing liquid containing nicotine by replacing the tobacco composition with wicking material, such as cotton, rayon, or silica, drenched in nicotine liquid.
  • composition (or wicking material), 24, inside the chamber.
  • the end which is placed inside the user's mouth has an opening, at 44, allowing airflow to pass through.
  • the preferred construction is injection molded heat resistant plastic so as to provide insulation against heat transfer to the user's mouth.
  • the threading also allows for telescoping of the vaporization chamber, so that the overall length can be reduced for compactness when not in use.
  • the main body of the atomization chamber, 45 is preferably formed from injection molded high temperature resistant plastic to avoid heat transfer to the user and is threaded externally on one side, 46, to correspond to the internal threading of the mouthpiece, 43.
  • the other end of the atomization chamber, 47 is open to allow air flow to enter the chamber.
  • the chamber has openings on the bottom, 48, which allows heat from a gas powered flame, 30, to enter the chamber, and corresponding opening on the top, 49, which allows excess heat to vent from the chamber.
  • the end of the main body of the chamber has a post extending from it, 50, to allow attachment to a mounting block, 51, which is in turn attached to the portion of the apparatus which produces a flame, 52.
  • the post, 50 attaches to the mounting block, 51, by inserting into a corresponding hole, 53, on the mounting block.
  • the mounting block, 51 has an additional threaded hole, 54, running perpendicular to the direction of the post, into which a knurled thumbscrew, 55, is inserted.
  • the post allows the user to adjust the height of the atomization chamber away from the flame. The closer to the flame, the greater the heat and the greater the nicotine release. The user adjusts the height to personal preference, and then tightens the thumb screw, 55, against the post 50, to lock the position in place.
  • the apparatus of Figure 7 may be sold as a fully completed unit, in which case the remainder of the apparatus is
  • the mounting block may be integrally formed as a part of the flip-top lid at the time of manufacture.
  • the apparatus may also be created by fitting a mounting block, 51, to a flip-top butane lighter by attachment by means of adhesive, welding, brazing, or soldering.
  • the apparatus may be sold as an accessory for mounting to a flip-top butane lighter, in which case users may attach the atomization chamber to a flip-top butane lighter themselves by use of adhesive such as epoxy.
  • the length of the atomization chamber can be extended or retracted by rotating the mouth piece, 41.
  • the user opens the flip-top lid, which results in the atomization chamber being perpendicular to the direction of the flame and results in the openings of the atomization chamber, 48 and 49, aligning with the flame.
  • the user unscrews the mouth piece, 41, to remove the mouth piece and open the chamber to insert liquid saturated tobacco, 24, or liquid saturated wicking material into the chamber.
  • the tobacco or wicking material is placed directly over the flame opening, 48, in the atomization chamber.
  • the user threads the mouth piece, 41, back onto the atomization chamber, 45, prior to use, at 40.
  • the user depresses the igniter switch, 56, causing the production of a gas powered flame, at 30.
  • the flame heats the liquid saturated tobacco composition (or wicking material saturated with liquid nicotine), which releases inhalable nicotine.
  • Fig. 8 depicts, in a closed position, the apparatus depicted in Fig. 7 and which utilizes the atomization chamber design depicted in Fig. 6.
  • the apparatus is designed to allow the user to manipulate the apparatus to be more compact when not in use.
  • the user rotates the mouthpiece, 41, to reduce the length of the atomization chamber, and closing the lid results in the atomization resting on the side for overall compactness.
  • the tobacco composition, method and apparatus provides a healthier alternative to cigarettes as the disclosed inventions does not use combustion and delivers nicotine without also delivering carcinogenic by-products associated with smoking tobacco.
  • the tobacco, composition, method and apparatus have an advantage over electronic cigarettes as actual tobacco may be used, thus allowing compliance with the law in countries which have outlawed electronic cigarettes and nicotine liquid.
  • the tobacco composition, method and apparatus allow the user the ability to alternate between using actual tobacco and nicotine containing liquid. Thus an individual travelling abroad has the ability to switch between nicotine liquid and actual tobacco to suit the laws of the country he or she is in.
  • the tobacco composition, method and apparatus has a cost advantage over electronic cigarettes.
  • the disclosed method and apparatus can operate on actual tobacco, which is grown as an agricultural product does not need the same extent of refinement, and is less expensive to produce than refined nicotine liquid.
  • the disclosed invention allows owners of electronic cigarettes to retrofit their devices with an atomization chamber capable of using tobacco directly at a minimal cost as compared to buying completely new equipment.
  • the tobacco, method and apparatus is superior to "heat not burn" tobacco vaporizers which require a complex system of sensors and temperature regulation to stay within a limited temperature range. The system of temperature regulation adds to the bulk and cost of such vaporizers.
  • the method and apparatus utilizes liquid saturation to increase the temperatures at which tobacco can be exposed to without combusting. Consequently the disclosed method and apparatus have an advantage in being less complicated, less bulky, and less expensive to produce in comparison to "heat not burn" tobacco vaporizers.

Abstract

L'invention concerne un procédé de génération d'une vapeur inhalable à partir d'une substance végétale, comprenant les étapes consistant : (a) à utiliser une substance végétale, la substance végétale présentant une certaine teneur en liquide et un certain poids total à sec en volume ; à saturer la substance végétale de liquide, de façon à ce que la teneur en liquide représente au moins 50 % du poids total à sec en volume à température ambiante ; et (c) à exposer la substance végétale à une température de chauffage pour lui faire libérer une substance chimique recherchée, la substance chimique recherchée présentant une certaine température d'ébullition, et la température de chauffage étant égale ou supérieure à la température d'ébullition de la substance chimique.
PCT/US2016/027639 2015-04-21 2016-04-14 Composition de tabac sans fumée, procédé et appareil de vaporisation WO2016171997A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562150585P 2015-04-21 2015-04-21
US62/150,585 2015-04-21
US201562188753P 2015-07-06 2015-07-06
US62/188,753 2015-07-06

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WO2016171997A3 WO2016171997A3 (fr) 2016-12-01

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WO2018185308A1 (fr) * 2017-04-07 2018-10-11 Sensus Investments Limited Vecteur, appareil et procédé
US10405582B2 (en) 2016-03-10 2019-09-10 Pax Labs, Inc. Vaporization device with lip sensing
WO2019211332A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de substitution à l'acte de fumer
WO2019211328A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited SYSTÈME DE SUBSTITUTION POUR FUMEURS<i />
WO2019211329A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de remplacement de tabac
WO2019211331A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de substitution à l'acte de fumer
WO2019211326A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de substitution pour fumeurs
WO2019211324A1 (fr) 2018-05-01 2019-11-07 Nerudia Limited Système de remplacement de tabac
US10512282B2 (en) 2014-12-05 2019-12-24 Juul Labs, Inc. Calibrated dose control
US10638792B2 (en) 2013-03-15 2020-05-05 Juul Labs, Inc. Securely attaching cartridges for vaporizer devices
US10667560B2 (en) 2013-12-23 2020-06-02 Juul Labs, Inc. Vaporizer apparatus
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