Use of plant phytocannabinoids extracted by distillation for the manufacture of e-liquids

By employing plant phytocannabinoids extracted via distillation, the challenges of limited concentration and solubility in e-liquid manufacturing are overcome, resulting in a homogeneous, high-concentration e-liquid solution that effectively vaporizes and meets market demands.

FR3113563B1Inactive Publication Date: 2025-05-02CIDS FRANCE
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Patent Information

Application Number
FR2020008960
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2020-09-03
Publication Date
2025-05-02
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing methods for manufacturing e-liquids with plant phytocannabinoids face challenges such as complexity, limited concentration, and poor solubility and miscibility with conventional supports, restricting the concentration of phytocannabinoids to no more than 30% without affecting homogeneity.

Method used

Using plant phytocannabinoids extracted by distillation method, which allows for perfect miscibility with common e-liquid supports like propylene glycol and vegetable glycerin, enabling concentrations of phytocannabinoids greater than 30% while maintaining homogeneity.

Benefits of technology

The distillation method enables the production of a homogeneous e-liquid solution with high concentrations of phytocannabinoids, enhancing their effectiveness and allowing for broader market compatibility and consumer experience.

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Abstract

The invention relates to a method for using plant phytocannabinoids from the Sativa L. variety, containing less than 0.2% tetrahydrocannabinol (THC) and restricted to compounds without psychotropic effects, for the manufacture of e-liquids. These plant phytocannabinoids are extracted by distillation. The method is characterized by a preliminary step prior to mixing the e-liquid components, consisting of dissolving a solution of plant phytocannabinoids extracted by distillation with vegetable monopropylene glycol.
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Description

Title of the invention: Use of plant phytocannabinoids extracted by distillation method for the manufacture of e-liquids

[0001] The invention relates to the use of plant phytocannabinoids extracted by distillation method for the manufacture of e-liquids intended for electronic cigarettes or any other vaporizing devices. The prior art

[0002] E-liquids composed of one or more plant phytocannabinoids already exist commercially. The use of plant phytocannabinoids extracted using two methods is known from the prior art of manufacturing: —A method using plant phytocannabinoids extracted by supercritical CO2 method. —A method using plant phytocannabinoids extracted with solvents. The use of plant phytocannabinoids extracted using these two methods, in the previous manufacturing technique, has the disadvantage of making the manufacture of e-liquids complex and limited.

[0003] The prior art did not allow the solubility and miscibility of plant phytocannabinoids on the conventional supports used in the manufacture of e-liquids on an industrial scale. It limited the concentration of plant phytocannabinoids in the finished product. The solution, an e-liquid containing plant phytocannabinoids, could not exceed a concentration of 30% or more of plant phytocannabinoids without affecting its solubility. Description of the invention

[0004] To overcome the drawbacks presented above, the technical problem was to be able to manufacture an e-liquid composed of one or more plant phytocannabinoids meeting two constraints: • To allow perfect miscibility of plant phytocannabinoids (CBD, CBG, CBN, CBC...) on the bases commonly used in the manufacture of e-liquids: mono propylene glycol, vegetable glycerin, vegetable mono propylene glycol. • Obtain a level of plant phytocannabinoids in the final solution, equal to or greater than 30%, without affecting homogeneity, in order to allow vaporization of the e-liquid by all devices on the market.

[0005] The present invention aims to overcome these drawbacks and proposes the use of plant phytocannabinoids extracted by distillation during the manufacture of the e-liquid.

[0006] The manufacturing technique using plant phytocannabinoids extracted by distillation yields a homogeneous final solution suitable for the industrial production of e-liquids. It can be used in manufacturers' standard production processes.

[0007] It allows the perfect miscibility of plant phytocannabinoids on the supports commonly used in the manufacture of e-liquids: propylene glycol, vegetable glycerin, vegetable mono propylene glycol... While using the food flavorings or enhancers already present in the recipes of conventional e-liquids on the market.

[0008] One of the advantages of this manufacturing technique is that it allows a final rate of plant phytocannabinoids greater than 30%, a concentration which allows the consumer to feel the real effects of the cannabinoids and which allows manufacturers to offer a more suitable and competitive product on the market.

[0009] Another advantage of this manufacturing technique is that it allows better transfer of plant phytocannabinoids to the e-liquid solution. Indeed, when the solute is extracted by distillation method, the spectrum of plant phytocannabinoids is complete, thus grouping all plant phytocannabinoids: CBD, CBG, CBN, CBC etc... As a result, the efficiency of the assimilation of phytocannabinoids by the user's body is accentuated.

[0010] A detailed description of at least one embodiment

[0011] Production of a flavoured e-liquid for electronic cigarette;

[0012] Red Fruits 3000mg CBD Full Spectrum.

[0013] Detailed process for producing a 10ml full-spectrum flavored CBD e-liquid: • With a plant phytocannabinoid content of 30% or 3000mg of plant phytocannabinoids per 10g of finished product. • Composed of vegetable glycerin (20% of the total density of the supports) • Composed of vegetable monopropylene glycol (80% of the total density of the supports) • Composed of food flavorings (5% of the total density of the final solution)

[0014] For the production of the e-liquid, we use a solution of plant phytocannabinoids extracted by distillation. This distillate is in the form of a solid base. It is important to remember that the solubility and miscibility of the distillate with vegetable glycerin or food flavorings, which are components of e-liquid, are limited. Indeed, the dissolution of the distillate in glycerol is limited. non-esterified is impossible.

[0015] A preliminary step must therefore be carried out before mixing the different components: Step 1 /

[0016] The inventive activity consists of dissolving the plant phytocannabinoid solute extracted by distillation with vegetable monopropylene glycol. This process stabilizes the distillate in a liquid solution, miscible with the other components used in the manufacture of e-liquid.

[0017] After completing our preliminary step, we have a vegetable monopropylene glycol solution with 8.2g of plant phytocannabinoids.

[0018] Step 2 /

[0019] We proceed to mix the food flavorings with our previously prepared solution. This mixing is rapid and carried out using a magnetic stirrer. We obtain a solution now comprising vegetable monopropylene glycol with plant phytocannabinoids and the food flavorings for a total weight of 8.7 g. Step 3 /

[0020] We proceed to mix the solution obtained in step 2 with the vegetable glycerin using a laboratory mixer. This step can also be carried out using a magnetic stirrer. The two liquids are perfectly miscible and thus form a homogeneous mixture with a total weight of 9.78 g. It is important to note that the density of vegetable glycerin is 1.26 g / cm³.

[0021] The final solution that we have just produced is composed of plant phytocannabinoids extracted by distillation method at a level of 30% i.e. 3000mg, vegetable glycerin, vegetable mono propylene glycol and food flavorings for a total volume of 10ml.

[0022] The invention is perfectly suited for industrial application. In this embodiment, we used components widely known to all e-liquid manufacturers. The use of vegetable glycerin, propylene glycol, and food flavorings in the manufacture of e-liquids for electronic cigarettes is conventional for the industry.

[0023] The invention results in the use of a particular method of extracting plant phytocannabinoids and integrates perfectly into the existing production tools of e-liquid manufacturers.

[0024] The present invention is in no way limited to the embodiments described and represented, but a person skilled in the art will be able to make any variation in accordance with their spirit.

Claims

Claims

1. Method of using plant phytocannabinoids extracted by distillation method for the manufacture of e-liquids having a final rate of plant phytocannabinoids equal to or greater than 30% by mass, characterized by a preliminary step before mixing the components of the e-liquid, consisting of dissolving a solute of plant phytocannabinoids, extracted by distillation method, with plant monopropylene glycol provided that the plant phytocannabinoids come from the Sativa L. variety, containing less than 0.2% of Tetrahydrocannabinol (THC) and are restricted to compounds without psychotropic effects.