EP0091898A1 - Foam toothpaste and method of producing same - Google Patents
Foam toothpaste and method of producing sameInfo
- Publication number
- EP0091898A1 EP0091898A1 EP81901294A EP81901294A EP0091898A1 EP 0091898 A1 EP0091898 A1 EP 0091898A1 EP 81901294 A EP81901294 A EP 81901294A EP 81901294 A EP81901294 A EP 81901294A EP 0091898 A1 EP0091898 A1 EP 0091898A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- toothpaste
- liquid gas
- volume
- dispensing packaging
- emulsion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/14—Foam or lather making devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/046—Aerosols; Foams
Definitions
- the invention is an emulsion blend containing a toothpaste formula which is discharged from a dispensing container by a liquid gas propellant through a manually closable valve as foam, applied directly onto the bristles of a toothbrush.
- Foaming of the toothpaste emulsion blend in it's various formulations occurs at the valve orifice exit as the emulsion comes under atmospheric pressure because a liquid gas is used as the propellant.
- composition of packaging an emulsion blend containing a toothpaste formula in an aerosol type container by volume would be 90% to 95% emulsion and 5% to 10% liquid gas propellant.
- Sufficient quantity of foam is discharged from a pressurised container through a manually operated valve to satisfactorily reduce to an acceptable level the flamable properties of liquid gas.
- the loading of the toothpaste formula in the blended emulsion and the satisfactory discharge of the emulsion blend as a toothpaste foam is governed by the flow rate at the valve exit of .5 to 2 grams per second and the liquid gas propellant pressurised at 140 to 280 kilopascals.
- Sufficient foam product is discharged by this method as to be economic and waste material is minimal.
- the product volume to propellant ratio of 90% to 95% product and 5% to 10% propellant contributes to some reductions in the cost of the manufacturing process and even with low volume of propellant there is no loss of efficiency in product delivery or quality of foam.
- the emulsifying agent for forming the emulsion being 'Span 81 ' (R) ur 'Emcol 14' (R), but the invention is not limited to these two emulsifying agents, for forming the emulsion of glycerine and or other carriers and water.
- the emulsion blend contains abbrasives and polrshing agents, a softner-sorbital flouride compounds for strengthening tooth enamel. Harmless flavouring, colouring and perfume materials may also be included in the composition.
- the emulsion blend may contain other optional ingredients in varying proportions.
- Humectants which may contain a glycerine and sodium laurly sulphade mixture, from about 5% to about 75%. Abbrasive and polisning agents from about 30% tp about 55% of the composition. Compounds containing flouride from about 0.1% to about 5%. Materials for flavouring, colouring and perfumes and preservatives from about 1% to about 5%. An emulsifying agent from about 0.5% to about 10%, binders in an amount from about 0.5% to about 25%. Water at about 20% to about 70%.
- the invention of which the emulsion blend is a step described in the foregoing is not to be limited to the description given because a substitution of equivalents for, elements, and materials could occur without going outside the scope of the invention step set out herein.
- the present invention is the only invention known that dispenses a blended emulsion from a pressurised container as foam. Said method comprising the steps of :
- the present invention causes the emulsion blend and the liquid gas to produce foam toothpaste when dispensed into the atmosphere.
- toothpaste compositions are in paste, gel, powder or cream form and at some period of time of the prior art, been dispensed from collapsible tubes, squeeze containers and aerosol pressure packs.
- the invention foamed toothpaste and method for producing same is new and innovative to the prior art.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
Abstract
Jusqu'a present la presentation preferentielle des pates dentifrices s'est faite sous forme de - un ruban ou une bande ferme ou - une poudre sous differentes presentations. Une emulsion melangee contenant une composition de pate dentifrice est stockee dans un reservoir de distribution a un rapport en volume de 90% a 95% d'emulsion et de 5% a 10% de gaz liquide. Le reservoir de distribution est pressurise au moyen d'un gaz liquide a une pression entre 140 et 280 kilopascals. On a determine que la coulabilite de l'emulsion se situe entre 0,5 et 2 grammes par seconde au travers de l'orifice de la soupape. La pate dentifrice expansee, ou la pate dentifrice moussante est produite a la sortie de l'orifice de la soupape lorsque l'emulsion est liberee a la pression atmospherique.Until now, the preferred presentation of toothpastes has been in the form of - a ribbon or a firm band or - a powder in different presentations. A mixed emulsion containing a toothpaste composition is stored in a dispensing tank at a volume ratio of 90% to 95% emulsion and 5% to 10% liquid gas. The distribution tank is pressurized by means of a liquid gas at a pressure between 140 and 280 kilopascals. It has been determined that the flowability of the emulsion is between 0.5 and 2 grams per second through the valve orifice. Expanded toothpaste, or foaming toothpaste, is produced at the outlet of the valve orifice when the emulsion is released at atmospheric pressure.
Description
FOAM TOOTHPASTE AND METHOD OF PRODUCING SAME
The invention is an emulsion blend containing a toothpaste formula which is discharged from a dispensing container by a liquid gas propellant through a manually closable valve as foam, applied directly onto the bristles of a toothbrush.
Foaming of the toothpaste emulsion blend in it's various formulations occurs at the valve orifice exit as the emulsion comes under atmospheric pressure because a liquid gas is used as the propellant.
The composition of packaging an emulsion blend containing a toothpaste formula in an aerosol type container by volume would be 90% to 95% emulsion and 5% to 10% liquid gas propellant.
Flowability of emulsion is determinded to be between .5 to 2 grams per second through the valve orifice.
Studies show that not all liquid gases are compatible with emulsion containing toothpaste formula. Hydrocarbon A46 and flourocarbon 12/144 are the most compatible but the invention is not limited to the employment of these two liquid gases. The emulsion is propelled by liquid gas pressurised in the range of 140 to 280 kilopascals.
Commercial toothpastes in their present form of a relatively firm ribbon or strip could not be packaged and dispensed as described in this invention as a foam. The key factors being to produce foam toothpaste are -
- A blended emulsion containing a toothpaste formula which accomodates a flow rate of .5 to 2 grams per second at the valve orifice exit.
- Relatively low pressurised liquid gas which when released into the atmosphere with the emulsion causes a reaction which results in foam.
Sufficient quantity of foam is discharged from a pressurised container through a manually operated valve to satisfactorily reduce to an acceptable level the flamable properties of liquid gas.
The loading of the toothpaste formula in the blended emulsion and the satisfactory discharge of the emulsion blend as a toothpaste foam is governed by the flow rate at the valve exit of .5 to 2 grams per second and the liquid gas propellant pressurised at 140 to 280 kilopascals. Sufficient foam product is discharged by this method as to be economic and waste material is minimal.
The product volume to propellant ratio of 90% to 95% product and 5% to 10% propellant contributes to some reductions in the cost of the manufacturing process and even with low volume of propellant there is no loss of efficiency in product delivery or quality of foam. THE EMULSION BLEND
The emulsifying agent for forming the emulsion being 'Span 81 ' (R) ur 'Emcol 14' (R), but the invention is not limited to these two emulsifying agents, for forming the emulsion of glycerine and or other carriers and water.
Further the emulsion blend contains abbrasives and polrshing agents, a softner-sorbital flouride compounds for strengthening tooth enamel. Harmless flavouring, colouring and perfume materials may also be included in the composition. The emulsion blend may contain other optional ingredients in varying proportions.
The composition of the emulsion blend - the following approximate composition all percentages are by weight: Humectants which may contain a glycerine and sodium laurly sulphade mixture, from about 5% to about 75%. Abbrasive and polisning agents from about 30% tp about 55% of the composition. Compounds containing flouride from about 0.1% to about 5%. Materials for flavouring, colouring and perfumes and preservatives from about 1% to about 5%. An emulsifying agent from about 0.5% to about 10%, binders in an amount from about 0.5% to about 25%. Water at about 20% to about 70%.
Said percentage ranges cover different formulations of commercial toothpastes.
The invention of which the emulsion blend is a step described in the foregoing is not to be limited to the description given because a substitution of equivalents for, elements, and materials could occur without going outside the scope of the invention step set out herein.
The present invention is the only invention known that dispenses a blended emulsion from a pressurised container as foam. Said method comprising the steps of :
- Forming the initial emulsion blend containing a toothpaste formula to accomodate a determined flow rate of .5 to 2 grams per second at the valve exit;
- Introducing the emulsion blend into the container; and
- Pressurising the emulsion blend with liquid gas in the range of 140 to 280 kilopascals.
The present invention causes the emulsion blend and the liquid gas to produce foam toothpaste when dispensed into the atmosphere.
DESCRIPTION OF THE PRIOR ART
Known attempts to dispense toothpaste onto the bristles of a toothbrush are well known, toothpaste compositions are in paste, gel, powder or cream form and at some period of time of the prior art, been dispensed from collapsible tubes, squeeze containers and aerosol pressure packs.
With regard to dispensing toothpaste from a pressure pack some known examples are -
- Australian patent application number 44815-59 (Precision) an invention which dispenses a relaτively firm ribbon or strip of toothpaste.
- Australian patent number 512912 application number 21345/77 (Risdon) an invention that dispenses powder which could be part of a toothpaste formula as a spray not only from a pressure pack but also from a non- pressure container.
- Australian patent application number 27598-77 an invention in part which dispenses toothpaste in paste or gel form.
- Australian patent application number 4377-66 an invention covering dental compositions which form a creamy mass which may be extruded from a number of packagings including an aerosol container.
The prior art has dispensed toothpaste in many and varied forms but never in the form of foam.
The invention foamed toothpaste and method for producing same is new and innovative to the prior art.
Claims
1. A dispensing package containing a blended emulsion of toothpaste dispensed from a container pressurised with liquid gas which becomes foam product when released through the valve into the atmosphere.
2. A dispensing packaging according to claim 1 wherein the emulsion blend accomodates a flow rate at the valve exit of a range of .5 to 2 grams per second.
3. A dispensing packaging according to claims 1 or 2 wherein the propellant is a liquid gas.
4. A dispensing packaging according to claims 1, 2 or 3 wherein the blended emulsion containing a toothpaste formula by volume occupies some 90% to 95% of the volume of the dispensing packaging.
5. A dispensing packaging according to claims 1, 2, 3 or
4 wherein by volume the liquid gas propellant is 5% to 10% of the volume of the dispensing packaging.
6. A dispensing packaging according to claims 1, 2, 3, 4 or 5 wherein the propellant is liquid gas pressurised in the range of 140 to 280 kilopascals.
7. The method of producing a dispensing packaging comprising a container sealed at the top verticle end by a valve connected to a dip tube. A blended emulsion containing toothpaste that has a flow rate through the valve exit of .5 to 2 grams per second propelled by liquid gas pressurised at 140 to 280 kilopascals.
8. The method according to claim 4 wherein the blended emulsion containing toothpaste by volume occupies some 90% to 95% of the volume of the dispensing packaging.
9. The method according to claim 5 wherein by volume the liquid gas propellant is 5% to 10% of the volume of the dispensing packaging.
10. The method according to claim 6 wherein the propelIant liquid gas is pressurised in the range of 140 to 280 kilopscals.
11. The method according to claims 1 to 6 of a dispensing packaging that dispenses foam toothpaste substantially described herein before.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/AU1981/000059 WO1982003975A1 (en) | 1981-05-18 | 1981-05-18 | Foam toothpaste and method of producing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0091898A1 true EP0091898A1 (en) | 1983-10-26 |
| EP0091898A4 EP0091898A4 (en) | 1984-07-03 |
Family
ID=3759909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19810901294 Withdrawn EP0091898A4 (en) | 1981-05-18 | 1981-05-18 | Foam toothpaste and method of producing same. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0091898A4 (en) |
| BR (1) | BR8108973A (en) |
| WO (1) | WO1982003975A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6010683A (en) * | 1997-11-05 | 2000-01-04 | Ultradent Products, Inc. | Compositions and methods for reducing the quantity but not the concentration of active ingredients delivered by a dentifrice |
| DE10008839A1 (en) * | 2000-02-25 | 2001-09-06 | Henkel Kgaa | Tooth-cleaning system useful cleaning and caring for the teeth, consists of mousse-forming tooth cleaner, especially toothpaste, containing polish, humectant, surfactant and propellant gas in dispenser with manually operated valve |
| US8337818B2 (en) | 2004-11-03 | 2012-12-25 | Colgate-Palmolive Company | Post-foaming dental mousse and methods utilizing the same |
| ITMI20081529A1 (en) * | 2008-08-21 | 2010-02-22 | Biotrading Di Mannone Maurizio Gius Eppe | METHOD FOR TEETH FLUOROPROPHYLASSES USING THE USE OF A FLUORINE-BASED SPRAY COMPOSITION |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698628A (en) * | 1948-05-12 | 1955-01-04 | Erich R Zademach | Washing apparatus |
| GB1465495A (en) * | 1974-05-15 | 1977-02-23 | Holloway Ltd E R | Cleaning compositions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2950031A (en) * | 1957-10-23 | 1960-08-23 | Precision Valve Corp | Liquid stream dispensing pressure package for high viscosity liquids |
-
1981
- 1981-05-18 EP EP19810901294 patent/EP0091898A4/en not_active Withdrawn
- 1981-05-18 BR BR8108973A patent/BR8108973A/en unknown
- 1981-05-18 WO PCT/AU1981/000059 patent/WO1982003975A1/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698628A (en) * | 1948-05-12 | 1955-01-04 | Erich R Zademach | Washing apparatus |
| GB1465495A (en) * | 1974-05-15 | 1977-02-23 | Holloway Ltd E R | Cleaning compositions |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO8203975A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1982003975A1 (en) | 1982-11-25 |
| BR8108973A (en) | 1983-03-29 |
| EP0091898A4 (en) | 1984-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19830118 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE FR GB LI NL SE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19850813 |