WO2006092581A1 - Lubricating composition - Google Patents

Lubricating composition Download PDF

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Publication number
WO2006092581A1
WO2006092581A1 PCT/GB2006/000710 GB2006000710W WO2006092581A1 WO 2006092581 A1 WO2006092581 A1 WO 2006092581A1 GB 2006000710 W GB2006000710 W GB 2006000710W WO 2006092581 A1 WO2006092581 A1 WO 2006092581A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricating composition
composition
gum
lubricating
linseed
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.)
Ceased
Application number
PCT/GB2006/000710
Other languages
French (fr)
Inventor
Sarah Annabelle Brooks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP06709934A priority Critical patent/EP1865971B1/en
Priority to GB0717032A priority patent/GB2437903B/en
Priority to DE602006018436T priority patent/DE602006018436D1/en
Priority to AT06709934T priority patent/ATE489100T1/en
Publication of WO2006092581A1 publication Critical patent/WO2006092581A1/en
Anticipated expiration legal-status Critical
Priority to US11/899,142 priority patent/US8685454B2/en
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • 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
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/736—Glucomannans or galactomannans, e.g. locust bean gum, guar gum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18—Magnoliophyta (angiosperms)
    • A61K36/185—Magnoliopsida (dicotyledons)
    • A61K36/55—Linaceae (Flax family), e.g. Linum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/46—Ingredients of undetermined constitution or reaction products thereof, e.g. skin, bone, milk, cotton fibre, eggshell, oxgall or plant extracts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0034—Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/006—Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
    • A61K9/1277—Preparation processes; Proliposomes

Definitions

  • the present invention relates to a lubricating composition, particularly though not exclusively for use in love making.
  • Lubricating gels are known. Generally they comprise synthetic lubricating agents such as glycerine, propylene glycol, hydroxyethyl cellulose, etc.
  • the object of the present invention is to provide a lubricating composition prepared primarily from organic - here meaning plant and/or micro-organism based / nature-identical matter - components.
  • a lubricating composition comprising a seed polysaccharide aqueous extract.
  • a polysaccharide aqueous extract is also referred to as a gum.
  • linseed (flax) seed extract because varying its concentration in the composition is a convenient means of controlling the viscosity of the composition and because of its muco-adhesion properties. It can be present as a dry weight percentage between 0.001% and 10%.
  • This extract is a viscous liquid obtained by an aqueous extraction of the seeds of the linseed plant, before or after pressing for extraction of oil.
  • the raw extract has a viscosity of 50-500 cPs or higher depending on water-to-linseed ratio.
  • an additional component is at least one further polysaccharide aqueous extract, for instance Xanthan gum, Yellow Mustard seed gum, Acacia gum, gums from seaweeds (eg Alginates or Carrageenan), ⁇ -Glucans (derived from barley, oats, rye and wheat) and fruit gums.
  • Preferred additional gums are Galactomannan gums, since they exhibit a synergistic phenomena resulting from their Galactomannan structures of long smooth sections of their molecules, for example Locust Bean gum, Guar gum, Cassia gum, Tara Gum, and Konjac Mannan gel which is a Glucomannan and is stereochemically similar to a Galactomannan.
  • gums are prepared in the manner of the linseed extract, for instance Yellow Mustard seed gum.
  • Xanthan gum is prepared by action of the Xanthomonas campestris on maize seed. Typically these gums can be present as a dry weight percentage between 0.001% and 5%.
  • the preferred viscosity for the lubricating composition is between 100 and 15,000 cPs. This is higher than the viscosity of the raw linseed extract and is achieved by the addition of a relatively low concentration of Xanthan gum.
  • viscosity as conventionally measured is not the only advantageous property. Its rheological properties of shear thinning are also important.
  • the lubricating composition includes at least one preservative for prevention of growth of micro-organisms and preserving stability of the composition.
  • preservative for prevention of growth of micro-organisms and preserving stability of the composition.
  • fungi for control of fungi, moulds and bacteria it is preferred to provide more than one preservative.
  • plant based / nature-identical preservatives e.g. Potassium Sorbate (found in citrus fruit), grapefruit seed extract (Citricidal), for control of moulds and fungi; I found it necessary to use a synthetic preservative for control of bacteria, for example phenoxyethanol.
  • the composition is preferably pH buffered to be compatible with mucous membranes of the human body.
  • the preferred buffer is Citric Acid.
  • the composition can have a pH of between 4.0 and 6.0. Preferably it is between 4.5 and 5.5.
  • the linseed gum can include a small quantity of linseed oil. Where this is the case, an antioxidant such as Vitamin E is preferably included in the composition.
  • the composition can be formulated as a gel or as a lotion or cream or as a solid.
  • the composition can be an emulsion typically with a plant oil or a vegetable butter or beeswax.
  • emulsion will usually include an emulsifying agent, such as lecithin.
  • suitable plant oils are sunflower, canola, safflower, avocado and pomegranate oil.
  • suitable vegetable butters are shea and cocoa butter.
  • a herbal extract can be added, for instance aloe vera.
  • a composition for application to mucous membranes of the human body comprising a seed polysaccharide aqueous extract in combination with a medicament for treating the mucosa.
  • Linseed is mixed with water in a ratio of 1 part linseed to 10 parts water. It is heated to 80°C and held for 30 minutes. The solid material is separated off by filtration.
  • the filtrate contains linseed polysaccharide gum. 0.5% by weight of potassium sorbate, 0.1% by weight of Vitamin E (Tocopherol), and sufficient citric acid (a small quantity) is added to achieve pH 5.
  • This still low viscosity composition is mixed with a 1% by weight solution of Xanthan gum at ambient temperature.
  • the resultant composition is a thick gel, typically having a desired 12,000 cPs viscosity. It is thixotropic and pseudoplastic. Linseed gum is known to adhere to human mucous membranes and is known to be cytoprotective. Further it is non-toxic and non- irritant. These properties render it suitable for use in a personal lubricant. It is bottled in so called tottles, i.e. invert bottles from which the composition can be squeezed for use from below, lowering exposure of the composition to contamination. Dispensing in this way enables the use of preservative to be held low.
  • Both liquid and solid emulsions are prepared by similar methods.
  • the water phase polysaccharide aqueous mixture as described above
  • the oil phase a mixture of warmed oils, bees wax and butters (e.g. sunflower oil, Cocoa or Shea butters).
  • the bees wax and butters are melted by the warming to ensure mixing is complete.
  • Both phases as placed in a vessel with a shear mixer / emulsifier.
  • the shear mixer is turned on and an emulsifying agent, preferably Lecithin, is added slowly until the desired emulsion is obtained.
  • an emulsifying agent preferably Lecithin
  • the linseed gum can be purified by alcoholic precipitation.
  • the composition can be used as a vehicle for delivering medication either in a lubrication environment or a prophylactic environment.
  • Envisaged medication includes and is not restricted to anti-thrush ⁇ Candida Albicans) medication.
  • the composition has mucosa moisturising properties on its own.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Molecular Biology (AREA)
  • Botany (AREA)
  • Nutrition Science (AREA)
  • Dispersion Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Reproductive Health (AREA)
  • Gynecology & Obstetrics (AREA)
  • Physiology (AREA)
  • Mycology (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Microbiology (AREA)
  • Medical Informatics (AREA)
  • Biotechnology (AREA)
  • Cosmetics (AREA)
  • Medicinal Preparation (AREA)
  • Lubricants (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Golf Clubs (AREA)

Abstract

Linseed is mixed with water in a ratio of 1 part linseed to 10 parts water. It is heated to 80°C and held for 30 minutes. The solid material is separated off by filtration. The filtrate contains linseed polysaccharide gum. 0.5% by weight of potassium sorbate, 0.1% by weight of Vitamin E (Tocopherol), and sufficient citric acid (a small quantity) is added to achieve pH 5. This still low viscosity composition is mixed with a 1% by weight solution of Xanthan gum at ambient temperature. The resultant composition is a thick gel, typically having a desired 12,000 cPs viscosity. It is thixotropic and pseudoplastic. Linseed gum is known to adhere to human mucous membranes and is known to be cytoprotective. Further it is non-toxic and non- irritant.

Description

LUBRICATING COMPOSITION
The present invention relates to a lubricating composition, particularly though not exclusively for use in love making.
Lubricating gels are known. Generally they comprise synthetic lubricating agents such as glycerine, propylene glycol, hydroxyethyl cellulose, etc.
It is known from EP 0511181 Al to use linseed polysaccharide aqueous extract as a saliva substitute in dry mouth condition, i.e. xerostomia.
The object of the present invention is to provide a lubricating composition prepared primarily from organic - here meaning plant and/or micro-organism based / nature-identical matter - components.
According to the invention there is provided a lubricating composition comprising a seed polysaccharide aqueous extract.
In this specification, a polysaccharide aqueous extract is also referred to as a gum.
I prefer to use linseed (flax) seed extract, because varying its concentration in the composition is a convenient means of controlling the viscosity of the composition and because of its muco-adhesion properties. It can be present as a dry weight percentage between 0.001% and 10%.
This extract is a viscous liquid obtained by an aqueous extraction of the seeds of the linseed plant, before or after pressing for extraction of oil. The raw extract has a viscosity of 50-500 cPs or higher depending on water-to-linseed ratio.
In preferred compositions, an additional component is at least one further polysaccharide aqueous extract, for instance Xanthan gum, Yellow Mustard seed gum, Acacia gum, gums from seaweeds (eg Alginates or Carrageenan), β-Glucans (derived from barley, oats, rye and wheat) and fruit gums. Preferred additional gums are Galactomannan gums, since they exhibit a synergistic phenomena resulting from their Galactomannan structures of long smooth sections of their molecules, for example Locust Bean gum, Guar gum, Cassia gum, Tara Gum, and Konjac Mannan gel which is a Glucomannan and is stereochemically similar to a Galactomannan. Certain of these gums are prepared in the manner of the linseed extract, for instance Yellow Mustard seed gum. Xanthan gum is prepared by action of the Xanthomonas campestris on maize seed. Typically these gums can be present as a dry weight percentage between 0.001% and 5%.
These further polysaccharide aqueous extracts also are viscous liquids.
There is a synergistic effect in the combination of two gums, for instance linseed gum and Xanthan gum, in that the viscosity of the combined gums is higher than the average viscosity of the individual gums. This effect is particularly marked where the gums both have smooth Galactomannan regions.
The preferred viscosity for the lubricating composition is between 100 and 15,000 cPs. This is higher than the viscosity of the raw linseed extract and is achieved by the addition of a relatively low concentration of Xanthan gum. However, it should be noted that viscosity as conventionally measured is not the only advantageous property. Its rheological properties of shear thinning are also important.
Preferably, the lubricating composition includes at least one preservative for prevention of growth of micro-organisms and preserving stability of the composition. For control of fungi, moulds and bacteria it is preferred to provide more than one preservative. Where possible I prefer to use plant based / nature-identical preservatives e.g. Potassium Sorbate (found in citrus fruit), grapefruit seed extract (Citricidal), for control of moulds and fungi; I found it necessary to use a synthetic preservative for control of bacteria, for example phenoxyethanol.
The composition is preferably pH buffered to be compatible with mucous membranes of the human body. The preferred buffer is Citric Acid. The composition can have a pH of between 4.0 and 6.0. Preferably it is between 4.5 and 5.5. The linseed gum can include a small quantity of linseed oil. Where this is the case, an antioxidant such as Vitamin E is preferably included in the composition.
The composition can be formulated as a gel or as a lotion or cream or as a solid.
Again, the composition can be an emulsion typically with a plant oil or a vegetable butter or beeswax. Such emulsion will usually include an emulsifying agent, such as lecithin. Examples of suitable plant oils are sunflower, canola, safflower, avocado and pomegranate oil. Examples of suitable vegetable butters are shea and cocoa butter.
A herbal extract can be added, for instance aloe vera.
According to a second aspect of the invention there is provided a composition for application to mucous membranes of the human body (the mucosa) comprising a seed polysaccharide aqueous extract in combination with a medicament for treating the mucosa.
To help understanding of the invention, an example of a lubricating composition will now be described.
Linseed is mixed with water in a ratio of 1 part linseed to 10 parts water. It is heated to 80°C and held for 30 minutes. The solid material is separated off by filtration.
The filtrate contains linseed polysaccharide gum. 0.5% by weight of potassium sorbate, 0.1% by weight of Vitamin E (Tocopherol), and sufficient citric acid (a small quantity) is added to achieve pH 5. This still low viscosity composition is mixed with a 1% by weight solution of Xanthan gum at ambient temperature. The resultant composition is a thick gel, typically having a desired 12,000 cPs viscosity. It is thixotropic and pseudoplastic. Linseed gum is known to adhere to human mucous membranes and is known to be cytoprotective. Further it is non-toxic and non- irritant. These properties render it suitable for use in a personal lubricant. It is bottled in so called tottles, i.e. invert bottles from which the composition can be squeezed for use from below, lowering exposure of the composition to contamination. Dispensing in this way enables the use of preservative to be held low.
Both liquid and solid emulsions are prepared by similar methods. The water phase (polysaccharide aqueous mixture as described above) is added to the oil phase; a mixture of warmed oils, bees wax and butters (e.g. sunflower oil, Cocoa or Shea butters). The bees wax and butters are melted by the warming to ensure mixing is complete. Both phases as placed in a vessel with a shear mixer / emulsifier. The shear mixer is turned on and an emulsifying agent, preferably Lecithin, is added slowly until the desired emulsion is obtained. For a solid emulsion (at 21°C) higher quantities of bees wax and butters are added and a much reduced amount of the water phase is included. For a liquid emulsion less bees wax and butters are added and greater amounts of the water phase are added, this also requires slightly more of the emulsifying agent to be added. Exact proportions are determined by the desired end result.
The invention is not intended to be restricted to the details of the above described embodiment. For instance, the linseed gum can be purified by alcoholic precipitation.
Further it is envisaged that the composition can be used as a vehicle for delivering medication either in a lubrication environment or a prophylactic environment. Envisaged medication includes and is not restricted to anti-thrush {Candida Albicans) medication. Furthermore, the composition has mucosa moisturising properties on its own.

Claims

CLAIMS:
1. A lubricating composition comprising at least one seed polysaccharide extract soluble in water.
2. A lubricating composition as claimed in claim 1, including a pH buffer.
3. A lubricating composition as claimed in claim 2, wherein the pH of the composition is between 4.00 and 6.00.
4. A lubricating composition as claimed in claim 3, wherein the pH of the composition is between 4.50 and 5.50.
5. A lubricating composition as claimed in claim 2, claim 3 or claim 4, wherein the pH buffer is citric acid.
6. A lubricating composition as claimed in any preceding claim, including linseed (flax) seed extract.
7. A lubricating composition as claimed in claim 6, wherein the linseed extract is present as a dry weight percentage between 0.001% and 10%.
8. A lubricating composition as claimed in any preceding, including at least one Galactomannan gum.
9. A lubricating composition as claimed in claim 8, wherein the Galactomannan gum is one of Locust Bean gum, Guar gum, Cassia gum and Tara Gum.
10. A lubricating composition as claimed in claim 8 or claim 9, wherein the Galactomannan gum is present as a dry weight percentage between 0.001% and 5%.
11. A lubricating composition as claimed in any one of claims 1 to 7, including at least one Glucomannan gum, which is stereochemically similar to a Galactomannan.
12. A lubricating composition as claimed in claim 11, wherein the Glucomannan gum is Konjac Mannan gel.
13. A lubricating composition as claimed in claim 11 or claim 12, wherein the
Glucomannan gum is present as a dry weight percentage between 0.001% and 5%,
14. A lubricating composition as claimed in any one of claims 1 to 7, including Xanthan gum, which is present as a dry weight percentage between 0.001% and 5%.
15. A lubricating composition as claimed in any preceding claim, wherein the viscosity for the lubricating composition is between 100 and 15,000 cPs.
16. A lubricating composition as claimed in any preceding claim, including at least one preservative for prevention of growth of micro-organisms and preserving stability of the composition.
17. A lubricating composition as claimed in claim 16, including as preservatives potassium sorbate and phenoxyethanol.
18. A lubricating composition as claimed in any preceding claim, including an antioxidant.
19. A lubricating composition as claimed in claim 18, wherein the antioxidant is Vitamin E.
20. A lubricating composition as claimed in any preceding claim, wherein the composition is formulated as a gel.
21. A lubricating composition as claimed in any one of claims 1 to 17, wherein the composition is formulated as a lotion or cream or as a solid.
22. A lubricating composition as claimed in any preceding claim, wherein the composition is an emulsion including a plant oil or a vegetable butter or beeswax and an emulsifying agent.
23. A lubricating composition as claimed in claim 22, including an emulsifying agent.
24. A lubricating composition as claimed in any preceding claim, including a herbal extract.
25. A composition for application to mucous membranes of the human body (the mucosa) comprising a seed polysaccharide aqueous extract in combination with a medicament for treating the mucosa.
26. A composition as claimed in any preceding claim, wherein the composition is liquid and is contained in a tottle.
PCT/GB2006/000710 2005-03-01 2006-02-28 Lubricating composition Ceased WO2006092581A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06709934A EP1865971B1 (en) 2005-03-01 2006-02-28 Lubricating composition
GB0717032A GB2437903B (en) 2005-03-01 2006-02-28 Lubricating composition
DE602006018436T DE602006018436D1 (en) 2005-03-01 2006-02-28 GLEITMITTELZUBEREITUNG
AT06709934T ATE489100T1 (en) 2005-03-01 2006-02-28 LUBRICANT PREPARATION
US11/899,142 US8685454B2 (en) 2005-03-01 2007-09-04 Lubricating composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0504153.8A GB0504153D0 (en) 2005-03-01 2005-03-01 Lubricating composition
GB0504153.8 2005-03-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/899,142 Continuation US8685454B2 (en) 2005-03-01 2007-09-04 Lubricating composition

Publications (1)

Publication Number Publication Date
WO2006092581A1 true WO2006092581A1 (en) 2006-09-08

Family

ID=34430396

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/000710 Ceased WO2006092581A1 (en) 2005-03-01 2006-02-28 Lubricating composition

Country Status (6)

Country Link
US (1) US8685454B2 (en)
EP (1) EP1865971B1 (en)
AT (1) ATE489100T1 (en)
DE (1) DE602006018436D1 (en)
GB (2) GB0504153D0 (en)
WO (1) WO2006092581A1 (en)

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WO2009050447A2 (en) 2007-10-19 2009-04-23 Magenta Trading Limited Water-based skin products
WO2010112829A1 (en) 2009-04-01 2010-10-07 Yes Syzygy Limited Intimate lubrication kit
KR102274828B1 (en) * 2020-08-28 2021-07-08 인테이크 주식회사 Edible Natural Thickener Composition Comprising Flaxseed Gum, Konjac Glucomanan And Agar Gum And Process For Preparing The Same
WO2023287364A3 (en) * 2021-07-16 2023-02-16 Lifestyles Healthcare Pte. Ltd. Long-lasting lubrication composition

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US8877259B2 (en) 2012-02-09 2014-11-04 Mary Kay Inc. Cosmetic formulation
US9452135B2 (en) 2012-03-20 2016-09-27 Particle Dynamics International, Llc Gelling agent-based dosage form

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ATE489100T1 (en) 2010-12-15
US20080146472A1 (en) 2008-06-19
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GB0717032D0 (en) 2007-10-17

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