EP4201229A1 - Verfahren zur herstellung einer verzehrbaren hookah-zusammensetzung - Google Patents

Verfahren zur herstellung einer verzehrbaren hookah-zusammensetzung Download PDF

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Publication number
EP4201229A1
EP4201229A1 EP22214279.6A EP22214279A EP4201229A1 EP 4201229 A1 EP4201229 A1 EP 4201229A1 EP 22214279 A EP22214279 A EP 22214279A EP 4201229 A1 EP4201229 A1 EP 4201229A1
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EP
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Prior art keywords
composition
hookah
total weight
taken together
total amount
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EP22214279.6A
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English (en)
French (fr)
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EP4201229B1 (de
Inventor
Steven Dirk WIJERS
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Htl Dht BV
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Htl Dht BV
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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
    • 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
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants

Definitions

  • the present invention relates to a method for preparing a hookah consumable composition.
  • the present invention also relates to the use of such a hookah consumable composition.
  • Shisha may refer to a water pipe, or product consumed in a water pipe.
  • shisha refers to the product consumed in a hookah or water pipe.
  • Hookahs are traditionally used to smoke shisha tobacco and are configured such that vapour and smoke pass through a water basin before inhalation by a consumer.
  • the shisha tobacco is placed in a cup which sits on top of a water container. This cup is connected to a pipe of which the other open end is submerged in the water in the container. The cup is sealed with a perforated lid or tin foil.
  • the shisha tobacco is heated by placing hot pieces of charcoal on top of the sealed cup.
  • On the sides of the water container one or more tubes are connected.
  • Shisha devices may include one outlet or more than one outlet so that the device can be used by more than one consumer at a time.
  • Use of shisha devices is considered by many to be a leisure activity and a social experience.
  • the composition used in shisha devices may be mixed with other ingredients to, for example, increase the volume of the vapour and smoke produced, to alter flavour, or both.
  • Charcoal pellets are typically used to heat the tobacco in a shisha device, which may cause full or partial combustion of the tobacco or other ingredients.
  • Some shisha devices have been proposed that use electrical heat sources to, for example, avoid by-products of burning charcoal or to improve the consistency with which the composition is combusted.
  • Other shisha devices have been proposed that employ e-liquids.
  • a hookah session is meant to be a relaxing and often social event where people come together.
  • a typical hookah session can usually be between 20 and 90 minutes.
  • EP 3 442 363 relates to a shisha consumable article for use with a shisha assembly, the shisha consumable article, comprising: a housing defining a first compartment and a second compartment, the second compartment being adjacent to, and sealed or air impermeable from, the first compartment; a combustible heat source contained within the first compartment; and an aerosol-forming substrate contained within the second compartment.
  • the aerosol-forming substrate includes nicotine or a nicotine source, wherein the nicotine comes from tobacco leaf material.
  • WO 2020/044179 relates to a shisha cartridge comprising: a body comprising a cavity and an internal cavity surface; an aerosol-forming substrate disposed in the cavity; an absorbent carrier disposed in the cavity; and an aerosol former impregnated into the absorbent carrier, wherein the aerosol former comprises glycerine, propylene glycol, or a combination thereof, wherein the absorbent carrier comprises refined cellulosic material, i.e. paper.
  • US 2019/328030 relates to a method of making a nicotine containing sheet, comprising combining a source of nicotine salt having a cellulose content of less than about 5% by weight on a dry weight basis with a separate source of fibrous material having a nicotine salt content of less than about 5% by weight on a dry weight basis to form a mixture; and drying the mixture to form a sheet.
  • WO 2020/235112 relates to an aroma-producing body to be heated loaded into an aroma cartridge comprising an aroma-producing substrate to be heated, the aroma-producing substrate to be heated producing smoke and aromas when heated in contact with a heating element; and a packaging material rolling up the aroma-producing substrate to be heated, wherein the aroma-producing substrate to be heated includes at least an aerosol former, non-tobacco plants and/or tobacco plants, and a binding agent.
  • WO 2021/170670 relates to an aerosol-generating article comprising an aerosol-generating substrate, the aerosol generating substrate formed of a homogenised plant material comprising: between 1 percent by weight and 65 percent by weight of non-tobacco plant particles, between 15 percent by weight and 55 percent by weight of aerosol former, between 2 percent by weight and 10 percent by weight of cellulose ether, and between 5 percent by weight and 50 percent by weight of additional cellulose.
  • US 4,333,484 relates to a process for producing a foamed smoking material comprising: providing an aqueous slurry of cellulosic material, adding from about 5 to 40% by weight, based on the cellulosic material, of a metal salt of an organic or inorganic acid, adding a foaming or blowing agent to the resulting slurry and casting or extruding the slurry and then drying the cast or extruded slurry under such conditions wherein the slurry is foamed during the casting or extruding step or during the drying step.
  • US 3 965 911 relates to a smoking mixture comprising a thermally degraded carbohydrate tobacco substitute as the essential smoke-producing fuel, alkali or alkaline earth carbonates, sodium carboxymethyl cellulose, and a protein.
  • WO 2021/122583 relates to an aerosol-forming substrate comprising one or both of cellulose and cellulose derivatives, an aerosol-former, tobacco, a nitrogen-containing nucleophilic compound, and a disaccharide.
  • WO 2020/012761 relates to a filling for an aroma cartridge, which contains a non-tobacco material and an aerosol former, in the form of a strip or a rod with a length of 10 to 70 mm and contains the aerosol former in an amount of 10 to 40% by mass, wherein said non-tobacco material is black tea or teas.
  • WO 2020/044179 relates to a shisha cartridge comprising a body comprising a cavity and an internal cavity surface, an aerosol-forming substrate disposed in the cavity, an absorbent carrier disposed in the cavity, and an aerosol former impregnated into the absorbent carrier, wherein the aerosol former comprises glycerine, propylene glycol, or a combination thereof and the absorbent carrier comprises refined cellulosic material.
  • EP 3 351 121 relates to tobacco substitute for use in a hookah apparatus comprising a dry gel flavour formulation comprising from about 55% to about 99% of a syrup comprising from about 1% to about 99% of one or more humectants and from about 1% to about 99% of at least one source of sugar, from about 1.0% to about 45% of one or more flavours, from about 5.0% to about 60% wt./wt. of one or more binder agents relative to the wrt of the syrup comprising the one or more flavours, optionally from about 0.5% to about 2.0% wt./wrt of one or more preservatives, optionally from about 0.01 % to about 10.0% wrt/wt. of one or more ingredients selected from the group consisting of a dye, a colouring agent, a preservative, and combinations thereof, and optionally one or more of nicotine, a nicotine salt, a nicotine solution, and a tobacco extract.
  • a dry gel flavour formulation comprising from about 55% to
  • a substrate sometimes referred to in that art as hookah tobacco, tobacco molasses, or simply as molasses.
  • Traditional shisha substrates are relatively high in sugar (in some cases, up to -50% vs. the -20% typically found in conventional tobacco substrates, such as in combustible cigarettes).
  • the tobacco used in shisha devices may be mixed with other ingredients to, for example, increase the volume of the vapor and smoke produced, to alter flavour, or both.
  • Products very similar to shisha are the electronic cigarette and the "shisha pen". These are electronic devices which contain a liquid similar in composition to liquids used for tobacco shisha. However, the ratios are significantly different.
  • An electronic cigarette typically contains mostly aerosol generating agent to which a small amount of nicotine and flavour are being added.
  • shisha pen usually refers to the same product, but without the nicotine. These products may or may not contain sugar.
  • tobacco in shisha can be seen as a combination of a substrate, and a liquid.
  • the currently most used non-tobacco shisha alternatives in the market are, for example, herbal shisha, i.e. basically shisha in which the tobacco leaves are replaced by dried herbs, shisha stones, i.e. stones, or pebbles from a porous minerals like zeolite, e.g. "steam stones” made from volcanic rock, and gel cubes and gel pastes, i.e. premade gels consisting of humectants formed into a gel structure (see US 2018/0199617 ).
  • paper based shisha i.e. a paper material impregnated with shisha liquids.
  • a disadvantage of herbal shisha is that still plant leaves are being consumed.
  • a disadvantage of steam stones is not only the mass of the substrate (stone) that is high compared to the liquid, but the high heat capacity of the stones as well. It takes a long time to heat the stones before consumption can start. Also, low vapor production can be seen as a drawback. Furthermore, the pores of the stones get saturated with soot from the charcoal used for the heating and may result in breakdown products of the liquids.
  • a disadvantage of the shisha gel is that the gel is sticky and thus it is not easy to fill the bowl. The result is dirty hands and fouling of the bowl after usage.
  • An objective of the present invention is to provide a cellulose based composition which forms an excellent basis for a hookah consumable composition.
  • Another objective of the present invention is to provide a cellulose based composition having a behaviour similar to tobacco or herbal material without one or more of the above discussed disadvantages of the shisha products.
  • Another objective of the present invention is to provide a cellulose based composition as a material for use as a component in the manufacture of smoking products.
  • the present invention thus provides in a first aspect a method for preparing a hookah consumable composition, the method comprising the following steps:
  • the present inventors found that amount of aerosol generating agent in the composition of a) is limited due the subsequent step of shredding. If the amount of aerosol generating agent is too high, shredding of the composition is difficult. From a view point of durability of the hookah consumable composition, i.e. the smoke duration of a consumer, it is desirable to have a high content of aerosol generating agent in the shredded material and to reach the final content of aerosol generating agent by adding an additional amount of aerosol generating agent in the mixture of step c) thereby further increasing the amount of aerosol generating agent in the final hookah consumable composition.
  • the present composition only consists of i) and ii) and iii). It is clear that the total amount of these components taken together must meet 100%.
  • the person skilled in the art is able to choose the correct amount of each component within the disclosed range to arrive at the total sum of 100%.
  • the present composition comprises additional components, the total amount of all these components taken together must meet 100%.
  • the person skilled in the art is also able to choose the correct amount of each component within the disclosed range to arrive at the total sum of 100%.
  • composition also includes equivalent terms such as "a mixture” or "a carrier material.”
  • composition may further comprise iv) 1 to 80 wt.% of fibrous cellulose, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • composition may further comprise 0,01 to 40 wt.% of a sweetening component, chosen from the group of natural sugar and synthetic sweetener, or a combination thereof, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • a sweetening component chosen from the group of natural sugar and synthetic sweetener, or a combination thereof, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the present inventors found a cellulose based composition which is an excellent basis for a hookah consumable composition.
  • the present inventors found that the high absorbing effect of the composition is achieved by using a specific type of cellulose, i.e. powdered cellulose integrated into the sheet.
  • the composition lends its structural integrity from the incorporation of binding agents and may further be improved by the addition of cellulose fibres.
  • the binding agents and in case fibrous cellulose, form a web to capture the cellulose powder.
  • fibrous cellulose also contributes to the absorption of glycerol in the sheet, and that it is possible to manufacture a composition as described above, where the cellulose consists only of fibrous cellulose, this material tends to bind less liquid.
  • a further disadvantage of fibrous cellulose is that it strongly reduces the flowability of the slurry which has to be prepared for casting. Because of that, higher contents of fibrous cellulose, result in a lower solids content of said slurry, which strongly increases the processing cost. This can be overcome by using a combination of powdered cellulose and fibrous cellulose, until the desired combination of mechanical strength and absorbing properties has been achieved.
  • the sweetening component may also comprise a synthetic sweetener as will be discussed later.
  • the relevant ratio of such a synthetic sweetener may be calculated from the relative sweetness scale which is a common scale in this field.
  • composition is a solid material that is preferably produced in the form of a sheet and the sheet in that form may already be used as a carrier material.
  • the present inventors surprisingly found that preloading the composition upon manufacturing with liquid components (e.g. glycerol and sugar) improves the binding of these components in the composition. As a result of this improved binding, the release rate of the volatilized components is reduced, leading to a more homogenous release over time, and prolonged consumption sessions.
  • liquid components e.g. glycerol and sugar
  • an aerosol generating agent is incorporated into the sheet.
  • the aerosol generating agent may replace partially or completely the powdered cellulose. Up to 85 wt.% of aerosol generating agent may be incorporated.
  • the aerosol generating agent is chosen from any of the following groups:
  • a combination of different aerosol generating agents may be used.
  • the aerosol generating agent is present in a range of 5 to 85 wt.%, preferably in an amount of at least 10 wt.%, more preferably at least 20 wt.%, even more preferably at least 30 wt.% and preferably in an amount of at most 85 wt.%, more preferably at most 65 wt.%, even more preferably at most 55 wt.%, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • Examples of ranges for the aerosol generating agent are 5 - 85 wt.%, preferably 10 - 65 wt.%, more preferably 20 - 55 wt.%, even more preferably 30 - 55 wt.%, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the aerosol generating agent comprises glycerol, optionally in combination with propylene glycol.
  • the composition further comprises v) 1 to15 wt.% of an aroma, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the aroma is preferably chosen from the group of naturally occurring aromas and synthetic aromas, especially aromas used for food preparation.
  • Suitable aromas or flavourings include, but are not limited to, natural or synthetic menthol, peppermint, spearmint, coffee, tea, spices (such as cinnamon, clove, ginger, or combination thereof), cocoa, vanilla, fruit flavours, chocolate, eucalyptus, geranium, eugenol, agave, juniper, anethole, linalool, and any combination thereof.
  • the composition contains a binding agent in a range between 2% and 25 wt.%, preferably an amount of at least 3 wt.% and an amount of at most 20 wt.%, preferably at most 15 wt.%, even more preferably at most 10 wt.%, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the binding agent is selected from the group of natural binding agents, such as guar, alginate, or selected from the group of cellulose derived binding agents, such a methyl cellulose, carboxy methyl cellulose (CMC).
  • the amount of fibrous cellulose in the present composition is preferably in a range of 1 - 30 wt.%, more preferably an amount of at least 3 wt.% and more preferably at most 15 wt.%, even more preferably an amount of at most 12 wt.%, wherein the wt.% is based on the total weight of the composition, and the total amount of components taken together is 100%.
  • powdered cellulose is preferably added in an amount of at least 15 wt.%, more preferably at least 30 wt.% and even more preferably at least 40 wt.% and preferably in an amount of at most 80 wt.%, more preferably at most 70 wt.%, even more preferably at most 65 wt.%, wherein the wt.% is based on the total weight of the composition, and the total amount of components taken together is 100%.
  • the ratios between binding agents, fibrous cellulose, powdered cellulose, and aerosol generating agent are chosen to optimize the absorption of aerosol generating agent, and at the same time to achieve acceptable mechanical properties for the composition. It is to be noted that the total amount of all components taken together is 100%.
  • the binding agent is thus chosen from the group of natural binding agents and cellulose-ethers, fibrous cellulose is added to further increase the tensile strength, powdered cellulose is added to absorb and bind the aerosol generating agent, and aerosol generating agent is added in an extent sufficient to generate an aerosol without combusting the composition.
  • the composition further comprises vi) 1-15 wt.% of a humectant.
  • the humectant is preferably chosen from the group of glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3 butanediol and sorbitol, or a combination thereof.
  • the glycerol in the composition serves as an aerosol precursor and facilitates formation of a visible aerosol.
  • the fibrous cellulose or cellulose fibers used for the composition is kraft pulp, or sulphate cellulose.
  • the fibers may be refined up to between 30 and 100 SR (Schopper Riegler). Either hardwood or softwood may be used. Both bleached and unbleached kraft are suitable, but acceptable mechanical results have been achieved with bleached softwood kraft. Unbleached kraft may contain impurities that affect taste.
  • the Schopper-Riegler test quickly provides an idea of the degree of refining that is related to the drainage rate of a dilute pulp suspension.
  • An applicable standard for Schopper-Riegler test is a test method according to ISO 5267/1.
  • the powdered cellulose used for the composition is generally a dry ground bleached cellulose.
  • the material is known as for instance powdered cellulose, ground cellulose, micronized cellulose et cetera. Typically, the powdered cellulose has a cellulose content of 99%.
  • the particle dimensions may vary, but acceptable results were achieved by the inventor using a powdered cellulose with a particle dimension of an average length of 60 ⁇ m, and an average cross dimension of 20 ⁇ m. Smaller particle sizes result in a more compact and dense composition, whereas larger particle sizes increasingly inhibit the flowability of the slurry required for casting, leading to lower solids contents, and increasing drying cost when producing the composition in sheet form.
  • the composition contains a sweetener or a sugar component.
  • the sweetener may replace partially or completely the microcrystalline cellulose.
  • the sweetener is chosen from the group of natural sugars, i.e. pure sugar, such as invert sugar, saccharose, lactose, galactose, maltose, trehalose, allulose, sugar products, such as caster sugar, cane sugar, brown sugar, and molasses.
  • the amount of natural sugar is preferably in a range of 5 to 40 wt.%, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the sweetener is a synthetic sweetener, chosen from the group of aspartame, saccharin, sucralose, cyclamate, acesulfame and stevia, or a combination thereof.
  • the amount of synthetic sweetener is preferably in a range of 0.01 to 5 wt.%, wherein the wt.% is based on the total weight of the composition and the total amount of components taken together is 100%.
  • the synthetic sweetener may partly or wholly replace the natural sugars.
  • composition provided in a) is prepared according to a method comprising the following steps:
  • the shredding step b) is carried out in such a way that strips of composition having the following dimensions are obtained:
  • step c) comprises a step of preparing a premix of one or more additional components chosen from the group of aerosol generating agents, synthetic sweeteners, natural sugars, and aromas and mixing the thus prepared premix with the shredded composition for obtaining the hookah consumable composition.
  • the step of preparing the premix comprises a step of heating a mixture comprising 10 to 40 wt.% sucrose and 60 to 90 wt.% glycerol to a temperature of about 120 °C, wherein the wt.% is based on the total weight of the mixture and the total amount of components taken together is 100%.
  • the heated mixture may be cooled to room temperature for further processing.
  • the mixture further comprises 1 to15 wt.% aromas, wherein the wt.% is based on the total weight of the mixture and the total amount of components taken together is 100%.
  • the mixture further comprises 5 - 15 wt.% aromas, wherein the wt.% is based on the total weight of the mixture and the total amount of components taken together is 100%.
  • the present invention also provides the use of a hookah consumable composition obtained according to a method as discussed above in a heating device configured to heat the hookah consumable composition to an extent sufficient to generate an aerosol without combusting the hookah consumable composition.
  • Example 1 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Cellulose fibers 10% Carboxymethylcellulose 10% Glycerine 35% Powdered cellulose 45%
  • Example 2 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Cellulose fibers 10% Carboxymethylcellulose 10% Powdered cellulose 60% Glycerol 20 %
  • Example 3 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Methyl-cellulose 20% Glycerol 20% Powdered cellulose 60%
  • Example 3 discloses a composition where no fibrous cellulose is used, and the structural integrity is completely formed by the binding agent
  • Example 4 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Methyl-cellulose 20% Glycerol 20% Fibrous cellulose 60%
  • compositions according to the Examples 1-4 are manufactured by preparing an aqueous viscous slurry of the components listed, casting the slurry thus prepared as a thin layer on a support and reducing the moisture content of the aqueous viscous slurry of by application of heat and/or hot air.
  • the final composition is obtained by removing the thus formed dried solid material of from the support.
  • Example 4 discloses a composition, where no powdered cellulose but fibrous cellulose is used.
  • the absorbing property of such material is less good as a result of the lack of powdered cellulose.
  • the present inventor has found that such material offers no improved suitability for Shisha consumption over regular writing paper.
  • composition according to Examples 1-3 can be used as a basis for a shisha consumption composition.
  • a shisha consumption composition is made by combining the composition with ingredients commonly used for shisha preparation.
  • Example 5 A typical combination of the composition with the shisha ingredients is shown in Example 5.
  • Example 5 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Carrier of Example 1 23.1 % Commercially available Shisha Aroma 5.0% Glycerol 71.9%
  • Example 5 results in a glycerol level in the hookah consumable of 80.0 wt.% The inventors have found that 12 grams of this composition is sufficient to fill a typical home-use hookah device, and will result in a smoking session of approximately 45 minutes. This is in line with the by consumers expected average duration of a hookah session.
  • glycerol level 85 wt.% may be achieved. This will lead to a neutral tasting material.
  • the inventors have furthermore found that when the carrier is combined with glycerol in an amount whereby 85 wt.% in the finished composition is exceeded, this excess amount of glycerol is not bound by carrier material. The composition will start to drip, the excess amount of glycerol will be lost, and does no longer contribute to the consumption
  • composition suitable for hookah consumption can be prepared as follows:
  • Example 6 (all % are wt.%, based on the total weight)
  • Component Amount (wt.%) Carrier of Example 2 85% Glycerin 10% Commercially available Shisha Aroma 5%
  • Example 6 The composition of Example 6 will result in a hookah consumable containing 27% of glycerol. As with Example 5, about 12 grams of this composition is suitable for a typical home use hookah bowl. The duration of the session with this composition, however, is reduced to about 15 to 18 minutes. This is below the minimum acceptable duration for a consumer, which is about 20 minutes. This composition is therefore not suitable for a commercial application.
  • compositions mentioned in Examples 5 and 6 are prepared by a step of shredding the mentioned carrier material and then mixing the shredded composition with the other components (glycerol and aroma) in the ratios as shown.
  • Example 5 and Example 6 For the consumption of the material like the compositions shown in Example 5 and Example 6 in a water pipe the material must be placed in a bowl of a hookah or similar device.
  • the method of packing is of great importance for the amount and consistency of aerosol generated. If the packing is too dense, the hot air can't pass through the material well. This leads to a strong draw resistance, and "channeling". When channeling occurs, the air passes through a limited number of channels in the packing, and therefore the material is not completely used. Is the packing too fluffy, then upon consumption the aerosol generating material expands, with an increased risk of the material touching the heating element and charring. This charring leads to an unwanted taste.
  • the optimal dimensions for the sheet form composition are as follows: Width: 1 to 5 mm, preferably about 2 mm Length: 10 to 30 mm, preferably about 20 mm
  • a smaller width i.e. a width below 1 mm
  • a length below 10 mm The present inventors found that a sheet like composition having a larger width (i.e. larger than about 5mm) and/or length (i.e. larger than about 30mm) will lead to too open structure of the packing, which promotes rapid evaporation, expansion of the packing, and potentially the packing touching the heating element, leading to burning of the material.
  • the shredded material may then be mixed with additional amounts of aroma, sweetener and aerosol generating agent.
  • the mixed material is ready for consumption.
  • a composition When preparing a shisha composition, a composition is mixed with a liquid.
  • a liquid is a combination of glycerol and a sugar containing component.
  • An example of such a sugar containing component is honey, or even an invert sugar may be used.
  • Caster sugar is typically not being used [in shisha], as it does not dissolve in glycerol.
  • the present inventor found that a liquid mixture of glycerol and caster sugar is obtained when glycerol and caster sugar are mixed at a temperature of about 120 °C. Even at a concentration of about 25 wt.% caster sugar, based on the total weight of the mixture, this mixture remains liquid at room temperature, and even at a temperature of about 7 °C.
  • sucrose i.e. the caster sugar composition
  • this hydrolysis reaction normally requires the presence of water molecules.
  • the water concentration of the glycerol used in these experiments is only about 0.3 wt.% of water, which concentration is not enough to hydrolyze the amount of sucrose in the mixture.
  • the inventor assumes that the OH groups of the glycerol perform the same function as that of the water normally used, and/or that glycerol serves as a donor of the water normally required for hydrolysis.

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EP22214279.6A 2021-12-23 2022-12-16 Verfahren zur herstellung einer verzehrbaren hookah-zusammensetzung Active EP4201229B1 (de)

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EP4201229B1 EP4201229B1 (de) 2024-06-19

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US3965911A (en) 1970-03-23 1976-06-29 Imperial Chemical Industries Limited Smoking mixture
US4333484A (en) 1978-08-02 1982-06-08 Philip Morris Incorporated Modified cellulosic smoking material and method for its preparation
US20180199617A1 (en) 2017-01-18 2018-07-19 Bianca Iodice Tobacco Free Hookah Smoking Gel
EP3442363A1 (de) 2016-04-11 2019-02-20 Philip Morris Products S.a.s. Verbrauchsartikel für shisha
CN110236218A (zh) * 2014-09-30 2019-09-17 菲利普莫里斯生产公司 用于生产均质化烟草材料的方法
US20190328030A1 (en) 2016-12-30 2019-10-31 Philip Morris Products S.A. Method of making a nicotine containing sheet
WO2020012761A1 (ja) 2018-07-12 2020-01-16 株式会社 東亜産業 芳香カートリッジ用充填物、それを有する芳香カートリッジ用エアロゾル形成基材およびそれを有する芳香カートリッジ
WO2020044179A1 (en) 2018-08-30 2020-03-05 Philip Morris Products S.A. Shisha cartridge with absorbent carrier
WO2020235112A1 (ja) 2019-05-21 2020-11-26 株式会社 東亜産業 被加熱芳香発生体及び芳香カートリッジ、並びに、被加熱芳香発生体の製造方法及び製造装置
DE202020002254U1 (de) * 2020-05-22 2021-05-28 SHlSHAVAPING Ltd. Tabakfreies Dampfprodukt zum sofortigen Konsum in der Shisha
WO2021122583A1 (en) 2019-12-17 2021-06-24 Philip Morris Products S.A. Aerosol-forming substrate with nitrogen-containing nucleophilic compound
US20210259307A1 (en) * 2018-07-10 2021-08-26 Philip Morris Products S.A. Shisha cartridge with gel
WO2021170670A1 (en) 2020-02-28 2021-09-02 Philip Morris Products S.A. Novel aerosol-generating substrate

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965911A (en) 1970-03-23 1976-06-29 Imperial Chemical Industries Limited Smoking mixture
US4333484A (en) 1978-08-02 1982-06-08 Philip Morris Incorporated Modified cellulosic smoking material and method for its preparation
CN110236218A (zh) * 2014-09-30 2019-09-17 菲利普莫里斯生产公司 用于生产均质化烟草材料的方法
EP3442363A1 (de) 2016-04-11 2019-02-20 Philip Morris Products S.a.s. Verbrauchsartikel für shisha
US20190328030A1 (en) 2016-12-30 2019-10-31 Philip Morris Products S.A. Method of making a nicotine containing sheet
EP3351121A1 (de) 2017-01-18 2018-07-25 Bianca Iodice Tabakfreies wasserpfeifenrauchgel
US20180199617A1 (en) 2017-01-18 2018-07-19 Bianca Iodice Tobacco Free Hookah Smoking Gel
US20210259307A1 (en) * 2018-07-10 2021-08-26 Philip Morris Products S.A. Shisha cartridge with gel
WO2020012761A1 (ja) 2018-07-12 2020-01-16 株式会社 東亜産業 芳香カートリッジ用充填物、それを有する芳香カートリッジ用エアロゾル形成基材およびそれを有する芳香カートリッジ
WO2020044179A1 (en) 2018-08-30 2020-03-05 Philip Morris Products S.A. Shisha cartridge with absorbent carrier
WO2020235112A1 (ja) 2019-05-21 2020-11-26 株式会社 東亜産業 被加熱芳香発生体及び芳香カートリッジ、並びに、被加熱芳香発生体の製造方法及び製造装置
WO2021122583A1 (en) 2019-12-17 2021-06-24 Philip Morris Products S.A. Aerosol-forming substrate with nitrogen-containing nucleophilic compound
WO2021170670A1 (en) 2020-02-28 2021-09-02 Philip Morris Products S.A. Novel aerosol-generating substrate
DE202020002254U1 (de) * 2020-05-22 2021-05-28 SHlSHAVAPING Ltd. Tabakfreies Dampfprodukt zum sofortigen Konsum in der Shisha

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