NZ775338B2 - Aerosolised formulation - Google Patents
Aerosolised formulation Download PDFInfo
- Publication number
- NZ775338B2 NZ775338B2 NZ775338A NZ77533819A NZ775338B2 NZ 775338 B2 NZ775338 B2 NZ 775338B2 NZ 775338 A NZ775338 A NZ 775338A NZ 77533819 A NZ77533819 A NZ 77533819A NZ 775338 B2 NZ775338 B2 NZ 775338B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- acid
- aerosolised formulation
- aerosolised
- formulation
- aerosol
- Prior art date
Links
Classifications
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- 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
- 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
- A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
- A24B15/241—Extraction of specific substances
- A24B15/243—Nicotine
-
- 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
- A24B15/301—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by aromatic compounds
-
- 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
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- 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
- A24B15/34—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a carbocyclic ring other than a six-membered aromatic ring
-
- 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
- A24B15/36—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring
- A24B15/40—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms
- A24B15/403—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms
- A24B15/406—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances containing a heterocyclic ring having only oxygen or sulfur as hetero atoms having only oxygen as hetero atoms in a five-membered ring
-
- 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
- A24F40/10—Devices using liquid inhalable precursors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/465—Nicotine; Derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/20—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of a vibrating fluid
Abstract
There is provided an aerosolised formulation comprising (i) water in an amount of at least 50 wt.% based on the aerosolised formulation; (ii) at least one active agent; (iii) an acid; wherein the aerosol has the following particle size distribution: D50 of from 2 to 6µm, D10 of at least 0.5 µm, and D90 of no greater than 15 µm.
Claims (25)
1. An aerosolised formulation comprising (i) water in an amount of at least 50 wt.% based on the aerosolised formulation; (ii) at least one active agent; and 5 (iii) an acid; wherein the aerosol has the following particle size distribution: D50 of from 2 to 6µm, D10 of at least 0.5 µm, and D90 of no greater than 15 µm.
2. An aerosolised formulation according to claim 1 wherein water is present in an 10 amount of at least 75 wt.% based on the aerosolised formulation.
3. An aerosolised formulation according to claim 1 or 2 wherein water is present in an amount of at least 90 wt.% based on the aerosolised formulation. 15
4. 4 An aerosolised formulation according to any one of claims 1 to 3 wherein the active agent is present in an amount of no greater than 1 wt.% based on the aerosolised formulation.
5. An aerosolised formulation according to claim 4 wherein the active agent is present 20 in an amount of from 0.01 to 0.6 wt.% based on the aerosolised formulation.
6. An aerosolised formulation according to any one of claims 1 to 5 wherein the active agent is at least nicotine. 25
7. An aerosolised formulation according to any one of claims 1 to 6 wherein the aerosol has a D50 of from 3.5 to 5.5µm.
8. An aerosolised formulation according to any one of claims 1 to 7 wherein the aerosol has a D50 of from 4.5 to 5.5µm.
9. An aerosolised formulation according to claim 1 wherein the acid is selected from the group consisting of acetic acid, lactic acid, formic acid, citric acid, benzoic acid, pyruvic acid, levulinic acid, succinic acid, tartaric acid, sorbic acid, propionic acid, phenylacetic acid, and mixtures thereof.
10. An aerosolised formulation according to claim 9 wherein the acid is selected from the group consisting of citric acid, benzoic acid, levulinic acid, sorbic acid, lactic acid, and mixtures thereof.
11. An aerosolised formulation according to any one of claims 9 or 10 wherein the acid is at least citric acid.
12. An aerosolised formulation according to any one of claims 1 to 11 wherein the total content of acid present in the formulation is no greater than 1 mole equivalents based on the active agent. 10
13. An aerosolised formulation according to any one of claims 1 to 12 wherein the total content of acid present in the solution is no less than 0.01 mole equivalents based on the active agent.
14. An aerosolised formulation according to any one of claims 1 to 13 further comprising 15 one or more flavours.
15. An aerosolised formulation according to claim 14 wherein the one or more flavours are selected from the group consisting of (4-(para-)methoxyphenyl)butanone, vanillin, ?- undecalactone, menthone, 5-propenyl guaethol, menthol, para-menthathiolone and 20 mixtures thereof.
16. An aerosolised formulation according to claim 15 wherein the flavour is at least menthol. 25
17. An aerosolised formulation according to any one of claims 14 to 16 wherein the one or more flavours are present in a total amount of no greater than 2wt.% based on the aerosolised formulation.
18. An aerosolised formulation according to any one of claims 14 to 17 wherein the one 30 or more flavours are present in a total amount of from 0.01 to 1wt.% based on the aerosolised formulation.
19. A process for forming an aerosol, the process comprising aerosolising an aerosolisable formulation comprising 35 (i) water in an amount of at least 50 wt.% based on the aerosolisable formulation; (ii) at least one active agent; and (iii) an acid; to provide an aerosol having the following particle size distribution: D50 of from 3 to 6µm, D10 of at least 0.5 µm, and D90 of no greater than 15 µm.
20. A process according to claim 19 wherein the aerosolisable formulation is a 5 formulation as defined in any one of claims 2 to 18.
21. A process according to claim 19 or 20 wherein the aerosol is formed by a process performed at a temperature below 50°C. 10
22. A process according to claim 19, 20 or 21 wherein the aerosol is formed by applying ultrasonic energy to the aerosolised formulation.
23. An electronic aerosol provision system comprising: (a) an aerosoliser for aerosolising formulation for inhalation by a user of the electronic 15 aerosol provision system; (b) a power supply comprising a cell or battery for supplying power to the aerosoliser (c) aerosolisable formulation comprising (i) water in an amount of at least 50 wt.% based on the aerosolisable formulation; (ii) at least one active agent; and 20 (iii) an acid; wherein the aerosoliser provides an aerosol having the following particle size distribution: D50 of from 2 to 6µm, D10 of at least 0.5 µm, and D90 of no greater than 15 µm.
24. An electronic aerosol provision system according to claim 23 wherein the aerosolised 25 formulation is an aerosolised formulation as defined in any one of claims 2 to 18.
25. A process for improving delivery of an aerosolised formulation to the lungs, the process comprising the steps of (a) providing an aerosolisable material comprising (i) water in an amount of at least 50 wt.% 30 based on the aerosolisable material (ii) at least one active agent and (iii) an acid; (b) aerosolising the material aerosolisable material to provide an aerosol having the following particle size distribution: D50 of from 2 to 6µm, D10 of at least 0.5 µm, and D90 of no greater than 15 µm. wo
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1817868.1A GB201817868D0 (en) | 2018-11-01 | 2018-11-01 | Aerosolised formulation |
| PCT/GB2019/053093 WO2020089638A1 (en) | 2018-11-01 | 2019-10-31 | Aerosolised formulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ775338A NZ775338A (en) | 2024-09-27 |
| NZ775338B2 true NZ775338B2 (en) | 2025-01-07 |
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