WO2022178529A1 - Composition de soins bucco-dentaires comprenant du peroxyde - Google Patents

Composition de soins bucco-dentaires comprenant du peroxyde Download PDF

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Publication number
WO2022178529A1
WO2022178529A1 PCT/US2022/070716 US2022070716W WO2022178529A1 WO 2022178529 A1 WO2022178529 A1 WO 2022178529A1 US 2022070716 W US2022070716 W US 2022070716W WO 2022178529 A1 WO2022178529 A1 WO 2022178529A1
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WIPO (PCT)
Prior art keywords
oral care
care composition
peroxide
fluoride
zinc
Prior art date
Application number
PCT/US2022/070716
Other languages
English (en)
Inventor
Lawrence Edward Dolan
Sanjeev Midha
Original Assignee
The Procter & Gamble Company
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
Priority claimed from US17/577,399 external-priority patent/US20220265530A1/en
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to CA3210345A priority Critical patent/CA3210345A1/fr
Priority to EP22709161.8A priority patent/EP4294356A1/fr
Priority to AU2022222816A priority patent/AU2022222816A1/en
Priority to MX2023009459A priority patent/MX2023009459A/es
Priority to JP2023547518A priority patent/JP2024506885A/ja
Priority to CN202280015160.6A priority patent/CN116940327A/zh
Publication of WO2022178529A1 publication Critical patent/WO2022178529A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/22—Peroxides; Oxygen; Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
    • 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

Definitions

  • the present invention relates to oral care compositions comprising peroxide, amphiphilic polymer, and optionally water.
  • the present invention also relates to dentifrice compositions comprising peroxide, amphiphilic polymer, and optionally water.
  • the present invention also relates to dentifrice compositions comprising peroxide with an unexpectedly high viscosity.
  • Oral care compositions such as dentifrice compositions, can include fluoride, peroxide, and/or abrasive to clean teeth, prevent cavities, and maintain the aesthetics and health of the oral cavity, such as the teeth and gums.
  • dentifrice compositions with a relatively high level of peroxide, such as at least about 1%, at least about 3%, or at least about 3.5%, to achieve enhanced whitening efficacy.
  • a relatively high level of peroxide because peroxide can be reactive with other dentifrice components, such as fluoride, metal ions, abrasives, etc.
  • One approach to the formulation challenges associated with peroxide can be to separately package and/or apply peroxide from a separate whitening composition.
  • consumer compliance can be lower when peroxide must be applied from a separate composition.
  • peroxide When peroxide decomposes, peroxide forms oxygen, water, and radicals.
  • the decomposition of peroxide can cause swelling and bursting of primary packaging and the radicals can lower the viscosity of oral care composition and lower its whitening efficacy.
  • many thickening agents can be reactive with peroxide.
  • an improved oral care composition such as an improved dentifrice composition, including peroxide and suitable polymers, such as amphiphilic polymers.
  • an oral care composition comprising (a) peroxide; (b) amphiphilic polymer; (c) alkyl alcohol; and (d) from about 5% to about 60%, by weight of the oral care composition, of water, wherein the oral care composition has a viscosity of at least about 10 Brookfield Units. Also disclosed herein is an oral care composition comprising (a) peroxide; (b) amphiphilic polymer; (c) alkyl alcohol; and (d) water, wherein oral care composition has a ratio of fatty alcohol to amphiphilic polymer of at least about 0.5.
  • an oral care composition comprising (a) peroxide; (b) amphiphilic polymer; (c) alkyl alcohol; and (d) at least about 1.5%, by weight of the oral care composition, of alkyl sulfate surfactant.
  • the present invention is directed to oral care compositions that have peroxide, amphiphilic polymer, and optionally water. While not wishing to being bound by theory it is believed that peroxide can interact with a variety of other ingredients in oral care compositions, which can lead to the catalytic decomposition of peroxide. When peroxide decomposes, peroxide forms oxygen, water, and radicals. The decomposition of peroxide can cause swelling and bursting of primary packaging and the radicals can lower the viscosity of oral care composition and lower its whitening efficacy. In particular, many thickening agents can be reactive with peroxide.
  • amphiphilic polymers can effectively thicken and increase the viscosity of oral care compositions including water and peroxide. Additionally, it has been unexpectedly found that the use of amphiphilic polymer in combination with alkyl alcohol can lead to oral care compositions with surprisingly high viscosities.
  • oral care composition includes a product, which in the ordinary course of usage, is not intentionally swallowed for purposes of systemic administration of particular therapeutic agents, but is rather retained in the oral cavity for a time sufficient to contact dental surfaces or oral tissues.
  • oral care compositions include dentifrice, tooth gel, subgingival gel, mouth rinse, mousse, foam, mouth spray, lozenge, chewable tablet, chewing gum, tooth whitening strips, floss and floss coatings, breath freshening dissolvable strips, or denture care or adhesive product.
  • the oral care composition may also be incorporated onto strips or films for direct application or attachment to oral surfaces.
  • dentifrice composition includes tooth or subgingival -paste, gel, or liquid formulations unless otherwise specified.
  • the dentifrice composition may be a singlephase composition or may be a combination of two or more separate dentifrice compositions.
  • the dentifrice composition may be in any desired form, such as deep striped, surface striped, multilayered, having a gel surrounding a paste, or any combination thereof.
  • Each dentifrice composition in a dentifrice comprising two or more separate dentifrice compositions may be contained in a physically separated compartment of a dispenser and dispensed side-by-side.
  • Active and other ingredients useful herein may be categorized or described herein by their cosmetic and/or therapeutic benefit or their postulated mode of action or function. However, it is to be understood that the active and other ingredients useful herein can, in some instances, provide more than one cosmetic and/or therapeutic benefit or function or operate via more than one mode of action. Therefore, classifications herein are made for the sake of convenience and are not intended to limit an ingredient to the particularly stated fimction(s) or activities listed.
  • orally acceptable carrier comprises one or more compatible solid or liquid excipients or diluents which are suitable for topical oral administration.
  • compatible is meant that the components of the composition are capable of being commingled without interaction in a manner which would substantially reduce the composition’s stability and/or efficacy.
  • the carriers or excipients of the present invention can include the usual and conventional components of mouthwashes or mouth rinses, as more fully described hereinafter: Mouthwash or mouth rinse carrier materials typically include, but are not limited to one or more of water, alcohol, humectants, surfactants, and acceptance improving agents, such as flavoring, sweetening, coloring and/or cooling agents.
  • substantially free refers to the presence of no more than 0.05%, preferably no more than 0.01%, and more preferably no more than 0.001%, of an indicated material in a composition, by total weight of such composition.
  • oral hygiene regimen or “regimen” can be for the use of two or more separate and distinct treatment steps for oral health, e.g. toothpaste, mouth rinse, floss, toothpicks, spray, water irrigator, massager.
  • total water content means both free water and water that is bound by other ingredients in the oral care composition.
  • the relevant molecular weight (MW) to be used is that of the material added when preparing the composition e.g., if the chelant is a citrate species, which can be supplied as citric acid, sodium citrate or indeed other salt forms, the MW used is that of the particular salt or acid added to the composition but ignoring any water of crystallization that may be present.
  • compositions and methods are described herein in terms of “comprising” various components or steps, the compositions and methods can also “consist essentially of’ or “consist of’ the various components or steps, unless stated otherwise.
  • the word "or" when used as a connector of two or more elements is meant to include the elements individually and in combination; for example, X or Y, means X or Y or both.
  • groups of elements are indicated using the numbering scheme indicated in the version of the periodic table of elements published in Chemical and Engineering News, 63(5), 27, 1985.
  • a group of elements can be indicated using a common name assigned to the group; for example, alkali metals for Group 1 elements, alkaline earth metals for Group 2 elements, and so forth.
  • the term “about” means that amounts, sizes, formulations, parameters, and other quantities and characteristics are not and need not be exact, but can be approximate and/or larger or smaller, as desired, reflecting tolerances, conversion factors, rounding off, measurement errors, and the like, and other factors known to those of skill in the art. In general, an amount, size, formulation, parameter or other quantity or characteristic is “about” or “approximate” whether or not expressly stated to be such. The term “about” also encompasses amounts that differ due to different equilibrium conditions for a composition resulting from a particular initial mixture. Whether or not modified by the term “about,” the claims include equivalents to the quantities. The term “about” can mean within 10% of the reported numerical value, preferably within 5% of the reported numerical value.
  • the dentifrice composition can be in any suitable form, such as a solid, liquid, powder, paste, or combinations thereof.
  • the oral care composition can be dentifrice, tooth gel, subgingival gel, mouth rinse, mousse, foam, mouth spray, lozenge, chewable tablet, chewing gum, tooth whitening strips, floss and floss coatings, breath freshening dissolvable strips, or denture care or adhesive product.
  • the components of the dentifrice composition can be incorporated into a film, a strip, a foam, or a fiber-based dentifrice composition.
  • the oral care compositions as described herein, comprise peroxide and amphiphilic polymer. Additionally, the oral care compositions can comprise other optional ingredients, as described below.
  • the section headers below are provided for convenience only. In some cases, a compound can fall within one or more sections.
  • stannous fluoride can be a tin compound and/or a fluoride compound.
  • the oral care composition comprises peroxide.
  • the peroxide can include any suitable source of peroxide, such as solubilized peroxide compounds and/or solid peroxide sources. Suitable peroxides include solid peroxides, hydrogen peroxide, urea peroxide, calcium peroxide, benzoyl peroxide, sodium peroxide, barium peroxide, inorganic peroxides, hydroperoxides, organic peroxides, polyvinylpyrrolidone-peroxide complex, crosslinked polyvinylpyrrolidone- peroxide complex, and/or combinations thereof.
  • the peroxide can comprise solubilized peroxide compounds, such as aqueous hydrogen peroxide.
  • the oral care composition can be designed, such as through the selection of the other components of the oral care composition, to maximize the amount of remaining peroxide after a defined period after initially mixing the oral care composition.
  • Suitable oral care compositions include oral care compositions comprising at least about 75%, at least about 80%, at least about 85%, at least about 90%, from about 90% to about 99%, or from about 88% to about 99% of hydrogen peroxide remaining in the oral care composition the oral care composition is stored at 50 °C for 10 days.
  • oral care compositions include oral care compositions comprising at least about 75%, at least about 80%, at least about 85%, at least about 90%, at least about 95%, from about 90% to about 99%, or from about 88% to about 99% of hydrogen peroxide remaining in the oral care composition the oral care composition is stored at 50 °C for 20 days.
  • the oral care composition can comprise from about 0.01% to about 20%, from about 0.01% to about 10%, from about 1% to about 5%, at least about 1%, at least about 2%, at least about 3%, at least about 3.5%, at least about 4%, or greater than 3%, by weight of the oral care composition, of the peroxide.
  • the peroxide can be un-bound, uncomplexed, and/or only minimally stabilized by other components in the oral care composition. It is additionally believed that oral care compositions comprising peroxide that is un-bound, uncomplexed, and/or only minimally stabilized to other components in the oral care composition, such as amphiphilic polymer and/or other thickening agents, can lead to a greater rate of release of peroxide than compositions that have peroxide adducts, such as polyvinylpyrrolidone-peroxide, and/or other sources of bound peroxide.
  • Desirable oral care compositions include oral care compositions that have a peroxide release of at least about 10%, at least about 15%, at least about 25%, at least about 35%, at least about 50%, at least about 60 %, at least about 70%, at least about 75%, at least about 80%, at least about 90%, at least about 95%, from about 10% to about 95%, from about 25% to about 75%, from about 20% to about 95%, from about 35% to about 90%, from about 40% to about 95%, from about 50% to about 90%, and from about 60% to about 99% in a defined period of time corresponding to a single oral care session, such as 30 second, 45 second, 60 seconds, 75 seconds, 90 seconds, 120 seconds, and/or 5 minutes.
  • the oral care composition comprises abrasive, such as a peroxide-compatible abrasive.
  • abrasive can be added to oral care formulations to help remove surface stains from teeth.
  • the abrasive can comprise calcium abrasive, silica abrasive, carbonate abrasive, phosphate abrasive, alumina abrasive, other suitable abrasives, and/or combinations thereof.
  • the calcium abrasive can comprise calcium carbonate, dicalcium phosphate, tricalcium phosphate, calcium orthophosphate, calcium metaphosphate, calcium pyrophosphate, calcium polyphosphate, calcium hydroxyapatite, and combinations thereof.
  • the calcium abrasive can comprise calcium carbonate.
  • the calcium-containing abrasive can be selected from the group consisting of fine ground natural chalk, ground calcium carbonate, precipitated calcium carbonate, and combinations thereof.
  • the calcium abrasive can comprise calcium pyrophosphate. While not wishing to be bound by theory, it is believed that particular sources of calcium pyrophosphate can be sufficiently compatible with peroxide to be used in an oral care composition comprising peroxide. Calcium pyrophosphate has at least three polymorphic phases: alpha (a), beta (b), and gamma (g). It has been unexpectedly found that calcium pyrophosphate with a higher proportion of the g phase are more compatible with peroxide, such as hydrogen peroxide. Suitable sources of calcium pyrophosphate can comprise a ratio of gamma phase calcium pyrophosphate to beta phase calcium pyrophosphate of at least about 0.75, at least about 0.8. at least about 0.9, at least about 1, from about 0.75 to about 1.5, from about 0.9 to about 1.5, or from about 1 to about 1.5.
  • abrasives that include high amounts of soluble metal ions are less compatible with peroxide due to reactivity between peroxide and metal ions.
  • suitable sources of abrasives such as calcium pyrophosphate, can comprise less than about 0.001%, less than about 0.00075%, less than about 0.0006%, less than about 0.0005%, or less than about 0.0001%, by weight of the abrasive.
  • the abrasive can be free of, substantially free of, or essentially free of soluble metal ions. Examples of trace metal ions that might be present in abrasives and have been previously reported to induce peroxide degradation include Cr, Mn, Fe, Co, Ni, Cu, Mo, and/or combinations thereof.
  • abrasives with a slurry pH of from about 5.4 to about 7 were more compatible with peroxide.
  • the slurry pH was determined by creating a 1:3 abrasive: water slurry and determining the pH.
  • the carbonate abrasive can comprise sodium carbonate, sodium bicarbonate, calcium carbonate, strontium carbonate, and/or combinations thereof.
  • the phosphate abrasive can comprise calcium phosphate, sodium hexametaphosphate, dicalcium phosphate, tricalcium phosphate, calcium orthophosphate, calcium metaphosphate, calcium polyphosphate, a polyphosphate, a pyrophosphate, and/or combinations thereof.
  • the silica abrasive can comprise fused silica, fumed silica, precipitated silica, hydrated silica, and/or combinations thereof.
  • the alumina abrasive can comprise polycrystalline alumina, calcined alumina, uncalcined alumina, fused alumina, levigated alumina, hydrated alumina, and/or combinations thereof.
  • Other suitable abrasives include diatomaceous earth, barium sulfate, wollastonite, perlite, polymethylmethacrylate particles, tospearl, and combinations thereof.
  • the oral care composition can comprise from about 0.01% to about 30%, from about 0.01% to about 15%, from about 0.01% to less than 15%, from about 1% to about 30%, from about 1% to less than 15%, from about 1% to about 12%, or from about 0.01% to about 10%, by weight of the oral care composition of the abrasive.
  • the oral care composition can have a Pellicle Cleaning Ratio (PCR) of at least about 75, at least about 90, at least about 100, from about 75 to about 250, or from about 100 to about 250.
  • PCR Pellicle Cleaning Ratio
  • the oral care composition can have a Relative Dentin Abrasion value of up to about 250, up to about 150, from about 70 to about 150, or from about 50 to about 250.
  • the oral care composition can include alumina as an abrasive.
  • the alumina can be the sole abrasive or used in combination with other abrasives, as described herein.
  • the abrasivity of alumina can be higher than silica, thus a lower amount of alumina abrasive can be added.
  • An oral care composition comprising alumina can have a hard tissue safety value (REA) of at least about 15, at least about 20, at least about 25, or at least about 40.
  • REA hard tissue safety value
  • An oral care composition comprising alumina can have a pellicle cleaning ratio (PCR) of at least about 75, at least about 100, from about 75 to about 250, from about 50 to about 175, from about 50 to about 150, or rom about 65 to about 155.
  • PCR pellicle cleaning ratio
  • An oral care composition comprising alumina can have a Relative Dentin Abrasion (RDA) of less than about 150, less than about 125, less than about 100, or less than about 90.
  • RDA Relative Dentin Abrasion
  • alumina can be reactive with peroxide and/or fluoride.
  • desirable alumina abrasives include those that are compatible with peroxide and/or fluoride.
  • Suitable oral care compositions include oral care compositions comprising at least about 75%, at least about 80%, at least about 85%, at least about 90%, at least about 95%, from about 90% to about 99%, or from about 88% to about 99% of hydrogen peroxide remaining in the oral care composition the oral care composition is stored at 40 °C for 30 and/or 60 days.
  • oral care compositions include oral care compositions that comprise peroxide and alumina and have % loss of peroxide after 30 days and/or 90 days at 40 °C of less than about 10%, less than about 5%, less than about 4%, less than about 3%, from about 0.5% to about 10%, from about 0.5% to about 5%, or from about 0.1% to about 5%. While not wishing to being bound by theory, it is believed that alumina is unexpectedly stable with alumina, such that only a minimal amount of peroxide is lost to peroxide decomposition and/or degradation.
  • oral care compositions include oral care compositions that comprise peroxide, fluoride, and alumina and have % loss of fluoride after 30 days and/or 90 days at 40 °C of less than about 20%, less than about 18%, less than about 15%, less than about 10%, less than about 5%, from about 0.5% to about 10%, from about 0.5% to about 20%, or from about 0.1% to about 15%. While not wishing to being bound by theory, it is believed that alumina and peroxide are unexpectedly stable with certain fluoride sources, such that only a minimal loss of fluoride is observed.
  • oral care compositions include oral care compositions comprising peroxide and alumina and have a % increase of viscosity 30 days and/or 90 days at 40 °C of at least about 5%, at least about 10%, at least about 15%, at least about 20%, at least about 25%, at least about 35%, at least about 50%, at least about 75%, at least about 100%, from about 5% to about 125%, from about 5% to about 50%, or from about 1%, to about 75%. While not wishing to being bound by theory, it is believed that the combination of alumina and peroxide are unexpectedly stable, which can minimize the decrease in viscosity in meta-stable peroxide compositions normally observed due to the decomposition of peroxide.
  • the oral care composition can comprise from about 0.01% to about 10%, from about 0.01% to about 5%, from about 0.1% to about 5%, from about 0.01% to about 3%, or from about 0.01% to about 1%, by weight of the oral care composition, of alumina.
  • the oral care composition of the present invention can be a dentifrice composition that is anhydrous, a low water formulation, or a high water formulation.
  • the oral care composition can comprise from 0% to about 99%, from about 5% to about 60%, from about 5% to about 75%, about 20% or greater, about 30% or greater, about 50% or greater, up to about 45%, or up to about 75%, by weight of the composition, of water.
  • the water is USP water.
  • the oral care composition of the present invention can include water. While not wishing to be bound by theory, it is believed that including water in the oral care composition can lead to greater availability of peroxide to provide oral health benefits, such as whitening, while also hydrating the oral cavity. While one option to stabilize peroxide is to provide a complexed peroxide in an anhydrous dentifrice composition, it is believed that peroxide can be more effectively delivered through the selection of the other ingredients of the oral care composition while simultaneously hydrating the oral cavity.
  • the dentifrice composition comprises from about 45% to about 75%, by weight of the composition, of water.
  • the high water dentifrice composition can comprise from about 45% to about 65%, from about 45% to about 55%, or from about 46% to about 54%, by weight of the composition, of water.
  • the water may be added to the high water dentifrice formulation and/or may come into the composition from the inclusion of other ingredients.
  • the dentifrice composition comprises from about 5% to about 45% or from about 10% to about 45%, by weight of the composition, of water.
  • the low water dentifrice composition can comprise from about 10% to about 35%, from about 15% to about 25%, or from about 20% to about 25%, by weight of the composition, of water.
  • the water may be added to the low water dentifrice formulation and/or may come into the composition from the inclusion of other ingredients.
  • the dentifrice composition comprises less than about 10%, by weight of the composition, of water.
  • the anhydrous dentifrice composition comprises less than about 5%, less than about 1%, or 0%, by weight of the composition, of water.
  • the water may be added to the anhydrous formulation and/or may come into the dentifrice composition from the inclusion of other ingredients.
  • the dentifrice composition can also comprise other orally acceptable carrier materials, such as alcohol, humectants, polymers, surfactants, and acceptance improving agents, such as flavoring, sweetening, coloring and/or cooling agents.
  • carrier materials such as alcohol, humectants, polymers, surfactants, and acceptance improving agents, such as flavoring, sweetening, coloring and/or cooling agents.
  • the oral care composition can also be a mouth rinse formulation.
  • a mouth rinse formulation can comprise from about 75% to about 99%, from about 75% to about 95%, or from about 80% to about 95% of water.
  • the oral care composition comprises amphiphilic polymer.
  • the amphiphilic polymer can be included as a peroxide compatible thickening agent.
  • the amphiphilic polymer can comprise a polymer that has a hydrophobic portion and a hydrophilic portion.
  • the polymer can comprise a polymer macromolecule that comprises a hydrophilic backbone and hydrophobic subunits. This can allow the amphiphilic polymer to remain soluble in water while preventing strong interactions with the peroxide.
  • amphiphilic polymer can include polymers that are at least partially soluble and/or fully soluble in water.
  • Suitable amphiphilic polymers include 2-acrylamido-2-methylpropane sulfonic acid (AMPS) polymer, copolymer, cross-polymer, or combination thereof.
  • AMPS 2-acrylamido-2-methylpropane sulfonic acid
  • the oral care composition can contain polyacrylate crosspolymer-6 (commercially available as SepiMAXTM ZEN from SEPPIC S.A., a subsidiary of the Air Liquide group, Puteaux Cedex, France).
  • the oral care composition can comprise from about 0.01% to about 10%, from about 0.1% to about 5%, from about 1% to about 10%, or from about 1% to about 5%, by weight of the oral care composition, of the amphiphilic polymer.
  • the oral care composition can comprise alkyl alcohol. While not wishing to be bound by theory, it is believed that the addition of alkyl alcohol in combination with the amphiphilic polymer can lead to oral care compositions with unexpectedly high viscosities.
  • the alkyl alcohol can include compounds with an alkyl functional group and an alcohol functional group.
  • the alkyl functional can be linear, branched, cyclical, or combinations thereof.
  • the alkyl alcohol can include a primary alcohol, a secondary alcohol, and/or a tertiary alcohol.
  • the alkyl alcohol can be represented by the general formula of C n H 2n+i OH, wherein n can be any whole number from 1 to 30, from 10 to 20, or from 10 to 25.
  • alkyl alcohols can include 1-heptacosanol, 1-hexacosanol, 1- nonacosanol, 1-octacosanol, 1-tetracosanol, docosanol, heneicosan-l-ol, pentacosan-l-ol, tricosan-l-ol, 1,4-butanediol, 1-heptanol, 1-hexanol, 1-nonanol, 1-octanol, 1-pentanol, 1 -propanol, 2,4-dichlorobenzyl alcohol, 2-ethylhexanol, 3-nitrobenzyl alcohol, allyl alcohol, anisyl alcohol, arachidyl alcohol, benzyl alcohol, cetyl alcohol, cinnamyl alcohol, crotyl alcohol, furfuryl alcohol, isoamyl alcohol, neopentyl alcohol, nic
  • the alkyl alcohol can be provided through commercial mixtures of alkyl alcohols, such as Lanette ® W, which includes cetyl alcohol: stearyl alcohol: sodium lauryl sulfate at a 45:45:10 ratio (available from BASF, Florham Park, NJ).
  • the oral care composition can comprise from about 0.01% to about 10%, from about 0.1% to about 5%, from about 1% to about 10%, or from about 1% to about 5%, by weight of the oral care composition, of the alkyl alcohol.
  • amphiphilic polymer and alkyl alcohol can lead to oral care compositions with unexpectedly high viscosities.
  • Suitable ratios of amphiphilic polymenalkyl alcohol can be at least about 0.25, at least about 0.5, at least about 0.75, at least about 1, from about 0.25 to about 5, about 0.5 to 1.5, about 1, from about 1 to about 3, from about 1 to about 2.5, or from about 0.75 to about 2.25.
  • the oral care composition can have a viscosity of at least about 5 cP, at least about 10 cP, at least about 20 cP, from about 5 cP to about 20 cP, or from about 1 cP to about 25 cP. pH
  • the pH of the disclosed composition can be from about 4 to about 10, from about 4 to about 7, from about 4 to about 8, or from about 7 to about 10.
  • the oral care composition can comprise fluoride, which can be provided by a fluoride ion source.
  • the fluoride ion source can comprise one or more fluoride containing compounds, such as stannous fluoride, sodium fluoride, potassium fluoride, amine fluoride, sodium monofluorophosphate, zinc fluoride, and/or mixtures thereof.
  • the fluoride ion source and the tin ion source can be the same compound, such as for example, stannous fluoride, which can generate tin ions and fluoride ions. Additionally, the fluoride ion source and the tin ion source can be separate compounds, such as when the tin ion source is stannous chloride and the fluoride ion source is sodium monofluorophosphate or sodium fluoride.
  • the fluoride ion source and the zinc ion source can be the same compound, such as for example, zinc fluoride, which can generate zinc ions and fluoride ions. Additionally, the fluoride ion source and the zinc ion source can be separate compounds, such as when the zinc ion source is zinc phosphate and the fluoride ion source is stannous fluoride.
  • the fluoride ion source can be essentially free of, or free of stannous fluoride.
  • the oral care composition can comprise sodium fluoride, potassium fluoride, amine fluoride, sodium monofluorophosphate, zinc fluoride, and/or mixtures thereof.
  • the oral care composition can comprise a fluoride ion source capable of providing from about 50 ppm to about 5000 ppm, and preferably from about 500 ppm to about 3000 ppm of free fluoride ions.
  • the fluoride ion source may be present in the oral care composition at an amount of from about 0.0025% to about 5%, from about 0.01% to about 10%, from about 0.2% to about 1%, from about 0.5% to about 1.5%, or from about 0.3% to about 0.6%, by weight of the oral care composition.
  • the oral care composition can comprise less than 0.1%, less than 0.01%, be essentially free of, be substantially free of, or free of a fluoride ion source.
  • the oral care composition can comprise metal, which can be provided by a metal ion source comprising one or more metal ions.
  • the metal ion source can comprise or be in addition to the tin ion source and/or the zinc ion source, as described herein.
  • Suitable metal ion sources include compounds with metal ions, such as, but not limited to Sn, Zn, Cu, Mn, Mg, Sr, Ti, Fe, Mo, B, Ba, Ce, Al, In and/or mixtures thereof.
  • the metal ion source can be any compound with a suitable metal and any accompanying ligands and/or anions.
  • Suitable ligands and/or anions that can be paired with metal ion sources include, but are not limited to acetate, ammonium sulfate, benzoate, bromide, borate, carbonate, chloride, citrate, gluconate, glycerophosphate, hydroxide, iodide, oxalate, oxide, propionate, D-lactate, DL-lactate, orthophosphate, pyrophosphate, sulfate, nitrate, tartrate, and/or mixtures thereof.
  • the oral care composition can comprise from about 0.01% to about 10%, from about 1% to about 5%, or from about 0.5% to about 15% of metal and/or a metal ion source.
  • the oral care composition of the present invention can comprise tin, which can be provided by a tin ion source.
  • the tin ion source can be any suitable compound that can provide tin ions in an oral care composition and/or deliver tin ions to the oral cavity when the oral care composition is applied to the oral cavity.
  • the tin ion source can comprise one or more tin containing compounds, such as stannous fluoride, stannous chloride, stannous bromide, stannous iodide, stannous oxide, stannous oxalate, stannous sulfate, stannous sulfide, stannic fluoride, stannic chloride, stannic bromide, stannic iodide, stannic sulfide, and/or mixtures thereof.
  • Tin ion source can comprise stannous fluoride, stannous chloride, and/or mixture thereof.
  • the tin ion source can also be a fluoride-free tin ion source, such as stannous chloride.
  • the oral care composition can comprise from about 0.0025% to about 5%, from about 0.01% to about 10%, from about 0.2% to about 1%, from about 0.4% to about 1%, or from about 0.3% to about 0.6%, by weight of the oral care composition, of tin and/or a tin ion source.
  • the oral care composition can be essentially free of, substantially free of, or free of tin.
  • the oral care composition can comprise zinc, which can be provided by a zinc ion source.
  • the zinc ion source can comprise one or more zinc containing compounds, such as zinc fluoride, zinc lactate, zinc oxide, zinc phosphate, zinc chloride, zinc acetate, zinc hexafluorozirconate, zinc sulfate, zinc tartrate, zinc gluconate, zinc citrate, zinc malate, zinc glycinate, zinc pyrophosphate, zinc metaphosphate, zinc oxalate, and/or zinc carbonate.
  • the zinc ion source can be a fluoride- free zinc ion source, such as zinc phosphate, zinc oxide, and/or zinc citrate.
  • the zinc and/or zinc ion source may be present in the total oral care composition at an amount of from about 0.01% to about 10%, from about 0.2% to about 1%, from about 0.4% to about 1 %, or from about 0.3% to about 0.6%, by weight of the dentifrice composition.
  • the oral care composition can be essentially free of, substantially free of, or free of zinc.
  • the oral care composition can comprise polyphosphate, which can be provided by a polyphosphate source.
  • a polyphosphate source can comprise one or more polyphosphate molecules.
  • Polyphosphates are a class of materials obtained by the dehydration and condensation of orthophosphate to yield linear and cyclic polyphosphates of varying chain lengths. Thus, polyphosphate molecules are generally identified with an average number (n) of polyphosphate molecules, as described below.
  • a polyphosphate is generally understood to consist of two or more phosphate molecules arranged primarily in a linear configuration, although some cyclic derivatives may be present.
  • Preferred polyphosphates are those having an average of two or more phosphate groups so that surface adsorption at effective concentrations produces sufficient non-bound phosphate functions, which enhance the anionic surface charge as well as hydrophilic character of the surfaces.
  • Preferred in this invention are the linear polyphosphates having the formula: XO(XPO3)nX, wherein X is sodium, potassium, ammonium, or any other alkali metal cations and n averages from about 2 to about 21.
  • Alkali earth metal cations, such as calcium, are not preferred because they tend to form insoluble fluoride salts from aqueous solutions comprising a fluoride ions and alkali earth metal cations.
  • the oral care compositions disclosed herein can be free of or substantially free of calcium pyrophosphate.
  • Polyphosphates can include those polyphosphate compounds manufactured by FMC Corporation, ICL Performance Products, and/or Astaris.
  • the oral care composition can comprise from about 0.01% to about 15%, from about 0.1% to about 10%, from about 0.5% to about 5%, from about 1 to about 20%, or about 10% or less, by weight of the oral care composition, of the polyphosphate source.
  • the oral care composition can be essentially free of; substantially free of; or free of polyphosphate.
  • the oral care composition can comprise orthophosphate, which can be provided by an orthophosphate source.
  • An orthophosphate source can comprise a salt including the orthophosphate anion, a salt including a phosphate anion (H2PO4-, HPO4 2- , and PO4 3- ), a phosphoric acid compound, a polyphosphate source, which can breakdown into orthophosphate under a variety of conditions, and/or another suitable orthophosphate source.
  • the oral care composition can comprise from about 0.01% to about 15%, from about 0.1% to about 10%, from about 0.5% to about 5%, from about 1 to about 20%, or about 10% or less, by weight of the oral care composition, of the orthophosphate.
  • the oral care composition can be essentially free of; substantially free of, or free of orthophosphate.
  • the oral care composition can comprise one or more surfactants.
  • the surfactants can be used to make the compositions more cosmetically acceptable.
  • the surfactant is preferably a detersive material which imparts to the composition detersive and foaming properties.
  • Suitable surfactants are safe and effective amounts of anionic, cationic, nonionic, zwitterionic, amphoteric and betaine surfactants, such as sodium lauryl sulfete, sodium lauryl isethionate, sodium lauroyl methyl isethionate, sodium cocoyl glutamate, sodium dodecyl benzene sulfonate, alkali metal or ammonium salts of lauroyl sarcosinate, myristoyl sarcosinate, palmitoyl sarcosinate, stearoyl sarcosinate and oleoyl sarcosinate, polyoxyethylene sorbitan monostearate, isostearate and laurate
  • the oral care composition can comprise one or more surfactants each at a level from about 0.01% to about 15%, from about 0.3% to about 10%, or from about 0.3% to about 2.5 %, by weight of the oral care composition.
  • desirable canpositions include compositions that comprise at least about 1.5%, greater than 1.5%, from about 1.5% to about 10%, or greater than 1.5% to about 10%, by weight of the oral care composition, of anionic surfactant.
  • the oral care canposition can comprise amino acid.
  • the amino acid can comprise one or more amino acids, peptide, and/or polypeptide, as described herein.
  • Amino acids, as in Formula n are organic canpounds that contain an amine functional group, a carboxyl functional group, and a side chain (R in Formula II) specific to each amino acid.
  • Suitable amino acids include, for example, amino acids with a positive or negative side chain, amino acids with an acidic or basic side chain, amino acids with polar uncharged side chains, amino acids with hydrophobic side chains, and/or combinations thereof
  • Suitable amino acids also include, for example, arginine, histidine, lysine, aspartic acid, glutamic acid, serine, threonine, asparagine, glutamine, cysteine, selenocysteine, glycine, proline, alanine, valine, isoleucine, leucine, methionine, phenylalanine, tyrosine, tryptophan, citrulline, ornithine, creatine!, diaminobutanoic acid, diaminoproprionic acid, salt
  • Suitable amino acids include the compounds described by Formula f either naturally occurring or synthetically derived.
  • the ammo acid can be zwitterionic, neutral, positively charged, or negatively charged based on the R group and the environment
  • the charge of the amino acid, and whether particular functional groups, can interact with tin at particular pH conditions, would be well known to one of ordinary skill in the art
  • R is any suitable functional group
  • Suitable amino acids include one or more basic amino acids, one or more acidic amino acids, one or more neutral amino acids, or combinations thereof.
  • Hie oral care composition can comprise from about 0.01% to about 20%, from about 0.1% to about 10%, from about 0.5% to about 6%, or from about 1% to about 10 % of amino acid, by weight of the oral care composition.
  • neutral amino acids include not only naturally occurring neutral amino acids, such as alanine, asparagine, cysteine, glutamine, glycine, isoleucine, leucine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, valine, but also biologically acceptable amino acids which have an isoelectric point in range of pH 5.0 to 7.0.
  • the biologically preferred acceptable neutral amino acid has a single amino group and carboxyl group in the molecule or a functional derivative hereof, such as functional derivatives having an altered side chain albeit similar or substantially similar physio chemical properties.
  • the amino acid would be at minimum partially water soluble and provide a pH of less than 7 in an aqueous solution of lg/1000ml at 25°C.
  • neutral amino acids suitable for use in the invention include, but are not limited to, alanine, aminobutyrate, asparagine, cysteine, cystine, glutamine, glycine, hydroxyproline, isoleucine, leucine, methionine, phenylalanine, proline, serine, taurine, threonine, tryptophan, tyrosine, valine, salts thereof or mixtures thereof.
  • neutral amino acids used in the composition of the present invention may include asparagine, glutamine, glycine, salts thereof or mixtures thereof.
  • the neutral amino acids may have an isoelectric point of 5.0, or 5.1, or 52, or 5.3, or 5.4, or 5.5, or 5.6, or 5.7, or 5.8, or 5.9, or 6.0, or 6.1, or 62, or 63, or 6.4, or 6.5, or 6.6, or 6.7, or 6.8, or 6.9, or 7.0, in an aqueous solution at 25°C.
  • the neutral amino acid is selected from proline, glutamine, or glycine, more preferably in its free form (Le. uncomplexed).
  • suitable salts include salts known in the art to be pharmaceutically acceptable salts considered to be physiologically acceptable in the amounts and concentrations provided.
  • the oral care composition can comprise one or more humectants, have low levels of a humectant, or be free of a humectant Humectants serve to add body or “mouth texture” to an oral care composition or dentifrice as well as preventing the dentifrice from drying out Suitable humectants include polyethylene glycol (at a variety of different molecular weights), propylene glycol, glycerin (glycerol), erythritol, xylitol, sorbitol, mannitol, butylene glycol, lactitol, hydrogenated starch hydrolysates, and/or mixtures thereof.
  • Hie oral care composition can comprise one or more humectants each at a level of from 0 to about 70%, from about 5% to about 50%, from about 10% to about 60%, or from about 20% to about 80%, by weight of the oral care composition.
  • the oral care composition can comprise one or more thickening agents in addition to the amphiphilic polymer and alkyl alcohol, as described herein.
  • Thickening agents can be useful in die oral care compositions to provide a gelatinous structure that stabilizes the dentifrice and/or toothpaste against phase separation.
  • Suitable thickening agents include polysaccharides, polymers, and/or silica thickeners.
  • the thickening agent can comprise one or more polysaccharides.
  • polysaccharides include starch; glycerite of starch; gums such as gum karaya (sterculia gum), gum tragacanth, gum arabic, gum ghatti, gum acacia, xanthan gum, guar gum and cellulose gum; magnesium aluminum silicate (Veegum); carrageenan; sodium alginate; agar-agar, pectin; gelatin; cellulose compounds such as cellulose, microcrystalline cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxymethyl cellulose, hydroxymethyl carboxypropyl cellulose, methyl cellulose, ethyl cellulose, and sulfated cellulose; natural and synthetic clays such as hectorite clays; and mixtures thereof.
  • Carageenans is a polysaccharide derived from seaweed. There are several types of carageenan that may be distinguished by their seaweed source and/or by their degree of and position of sulfation.
  • the thickening agent can comprise kappa carageenans, modified kappa carageenans, iota carageenans, modified iota carageenans, lambda carrageenan, and mixtures thereof.
  • Carageenans suitable for use herein include those commercially available from the EMC Company under the series designation “Viscarin,” including but not limited to Viscarin TP 329, Viscarin TP 388, and Viscarin TP 389T
  • the thickening agent can comprise one or more polymers.
  • the polymer can be a polyethylene glycol (PEG), a polyvinylpyrrolidone (PVP), polyacrylic acid, a polymer derived from at least one acrylic acid monomer, a copolymer of maleic anhydride and methyl vinyl ether, a crosslinked polyacrylic acid polymer, of various weight percentages of the oral care composition as well as various ranges of average molecular ranges.
  • the oral care composition can be free of, essentially free of; or substantially free of a copolymer of maleic anhydride and methyl vinyl ether.
  • the thickening agent can comprise one or more inorganic thickening agents.
  • suitable inorganic thickening agents include colloidal magnesium aluminum silicate, silica thickeners.
  • Usefill silica thickeners include, for example, include, as a non-limiting example, an amorphous precipitated silica such as ZEODENT® 165 silica.
  • Other non-limiting silica thickeners include ZEODENT® 153, 163, and 167, and ZEOFREE® 177 and 265 silica products, all available from Evonik Corporation, and AEROSIL® fumed silicas.
  • the oral care composition can comprise from 0.01% to about 15%, from 0.1% to about 10%, from about 02% to about 5%, or from about 0.5 % to about 2% of one or more thickening agents.
  • the oral care composition can comprise dicarboxylic acid.
  • the dicarboxylic acid comprises a compound with two carboxylic acid functional groups.
  • the dicarboxylic acid can comprise a compound or salt thereof defined by Formula II.
  • R can be null, alkyl, alkenyl, allyl, phenyl, benzyl, aliphatic, aromatic, polyethylene glycol, polymer, O, N, P, or combinations thereof.
  • the dicarboxylic acid can comprise oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azerlaic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, brassylic acid, thapsic acid, japanic acid, phellogenic acid, equisetolic acid, malic acid, tartaric acid, salts thereof or combinations thereof.
  • the dicarboxylic acid can comprise suitable salts of dicarboxylic acid, such as, for example, monoalkali metal oxalate, dialkali metal oxalate, monopotassium monohydrogen oxalate, dipotassium oxalate, monosodium monohydrogen oxalate, disodium oxalate, titanium oxalate, and/or other metal salts of oxalate.
  • the dicarboxylic acid can also include hydrates of the dicarboxylic acid and/or a hydrate of a salt of the dicarboxylic acid.
  • the oral care composition can comprise from about 0.01% to about 10%, from about 0.1% to about 15%, from about 1% to about 5%, or from about 0.0001 to about 25%, of dicarboxylic acid.
  • the oral care composition can comprise a variety of other ingredients, such as flavoring agents, sweeteners, colorants, preservatives, buffering agents, or other ingredients suitable for use in oral care compositions, as described below.
  • Flavoring agents also can be added to the oral care composition. Suitable flavoring agents include oil of Wintergreen, oil of peppermint, oil of spearmint, clove bud oil, menthol, anethole, methyl salicylate, eucalyptol, cassia, 1 -menthyl acetate, sage, eugenol, parsley oil, oxanone, alphairisone, marjoram, lemon, orange, propenyl guaethol, cinnamon, vanillin, ethyl vanillin, heliotropine, 4-cis-heptenal, diacetyl, methyl-para-tert-butyl phenyl acetate, and mixtures thereof.
  • Coolants may also be part of the flavor system.
  • Preferred coolants in the present compositions are the paramenthan carboxamide agents such as N-ethyl-p-menthan-3-carboxamide (known commercially as “WS-3”) or N-(Ethoxycaibonyhnethyl)-3-p-menthanecarix)xamide (known commercially as “WS-5”), and mixtures thereof.
  • a flavor system is generally used in the compositions at levels of from about 0.001 % to about 5%, by weight of the oral care composition.
  • These flavoring agents generally comprise mixtures of aldehydes, ketones, esters, phenols, acids, and aliphatic, aromatic and other alcohols.
  • Sweeteners can be added to the oral care composition to impart a pleasing taste to the product Suitable sweeteners include saccharin (as sodium, potassium or calcium saccharin), cyclamate (as a sodium, potassium or calcium salt), acesulfame-K, thaumatin, neohesperidin dihydrochalcone, ammoniated glycynhizin, dextrose, levulose, sucrose, mannose, sucralose, stevia, and glucose.
  • saccharin as sodium, potassium or calcium saccharin
  • cyclamate as a sodium, potassium or calcium salt
  • acesulfame-K thaumatin
  • neohesperidin dihydrochalcone ammoniated glycynhizin
  • dextrose levulose
  • sucrose mannose
  • sucralose stevia
  • glucose glucose
  • Colorants can be added to improve the aesthetic appearance of the product.
  • Suitable colaants include without limitation those colorants approved by appropriate regulatory bodies such as the FDA and those listed in the European Food and Pharmaceutical Directives and include pigments, such as TiOz, and colors such as FD&C and D&C dyes.
  • Preservatives also can be added to the oral care compositions to prevent bacterial growth.
  • Suitable preservatives approved for use in oral compositions such as methylparaben, propylparaben, benzoic acid, and sodium benzoate can be added in safe and effective amounts.
  • Titanium dioxide may also be added to the present composition. Titanium dioxide is a white powder which adds opacity to the compositions. Titanium dioxide generally comprises from about 025% to about 5%, by weight of the oral care composition.
  • ingredients can be used in the oral care composition, such as desensitizing agents, healing agents, other caries preventative agents, chelating/sequestering agents, vitamins, amino acids, proteins, other anti-plaque/anti-calcuhis agents, opacifiers, antibiotics, anti-enzymes, enzymes, pH control agents, oxidizing agents, antioxidants, and the like.
  • Viscosity of the oral care compositions was measured using a Brookfield Viscometer (RVDV2T Pro Digital Viscometer) and a Brookfield Helipaih stand. Compositions were preconditioned at 25 °C for at least 6 hours using a water bath, oven, or incubator. Sample containers containing the oral care compositions were positioned under the spindle using a Helipath. The Helipath and spindle motor (2.5 rpm) were started and viscosity values were read at 40, 45, 50, 55, and 60 seconds. The five values were averaged to provide a readout of the viscosity.
  • TABLE 1 shows a variety of compositions that include different amounts of amphiphilic polymer (from 125 wt% to 225 wt%) and alkyl alcohol (from 0.75 wt% to 1.25 wt%).
  • Ex. A-F include sodium monofluorophosphate (1.14 wt%) , sodium lauryl sulfate (1.4 wt%), calcium pyrophosphate (10 wt%), and hydrogen peroxide (4 wt%).
  • TABLE 2 shows the unexpectedly high viscosity of Examples A-F due to the use of amphiphilic polymer and alkyl alcohol in unique ratios.
  • the ratio of the amphiphilic polymer to the alkyl alcohol can be at least about 1, from about 1 to about 3, from about 0.5 to about 3.5 or from about 0.5 to about 5.
  • Example 3 shows that when one of these is removed, the viscosity of the oral care composition is much less.
  • Example 1 the alkyl alcohol is removed and the viscosity is 5 BKU (compared with 17.5-50 BKU of TABLE 2).
  • Example 2 the amphiphilic polymer is removed and the viscosity is 3 BKU.
  • Example 3 include both the amphiphilic polymer and the alkyl alcohol in a 1:1 ratio, and the viscosity increases to 23 BKU.
  • the use of amphiphilic polymer and alkyl alcohol at certain ratios led to unexpectedly high viscosities.

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Abstract

Les compositions de soins bucco-dentaires comprennent du peroxyde, un polymère amphiphile et éventuellement de l'eau. L'invention concerne également des compositions de dentifrice comprenant du peroxyde, un polymère amphiphile et éventuellement de l'eau. La présente invention concerne en outre des compositions de dentifrice comprenant du peroxyde à viscosité étonnamment élevée obtenue par addition d'un polymère amphiphile et/ou d'un alcool alkylique. L'invention concerne enfin des procédés d'utilisation des compositions de l'invention pour blanchir les dents.
PCT/US2022/070716 2021-02-19 2022-02-18 Composition de soins bucco-dentaires comprenant du peroxyde WO2022178529A1 (fr)

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CA3210345A CA3210345A1 (fr) 2021-02-19 2022-02-18 Composition de soins bucco-dentaires comprenant du peroxyde
EP22709161.8A EP4294356A1 (fr) 2021-02-19 2022-02-18 Composition de soins bucco-dentaires comprenant du peroxyde
AU2022222816A AU2022222816A1 (en) 2021-02-19 2022-02-18 Oral care composition comprising peroxide
MX2023009459A MX2023009459A (es) 2021-02-19 2022-02-18 Composicion para el cuidado bucal que comprende peroxido.
JP2023547518A JP2024506885A (ja) 2021-02-19 2022-02-18 過酸化物を含む口腔ケア組成物
CN202280015160.6A CN116940327A (zh) 2021-02-19 2022-02-18 包含过氧化物的口腔护理组合物

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US17/577,399 US20220265530A1 (en) 2021-02-19 2022-01-18 Oral care compositions comprising peroxide and polymer
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170027849A1 (en) * 2015-07-28 2017-02-02 The Procter & Gamble Company Oral Care Compositions Containing Amps Polymers, Copolymers, Or Cross Polymers
US20170281486A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Oral Care Compositions Containing Potassium Nitrate and Peroxide
US20170281493A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Oral Care Compositions With An Effective Flavor Display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170027849A1 (en) * 2015-07-28 2017-02-02 The Procter & Gamble Company Oral Care Compositions Containing Amps Polymers, Copolymers, Or Cross Polymers
US20170281486A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Oral Care Compositions Containing Potassium Nitrate and Peroxide
US20170281493A1 (en) * 2016-04-01 2017-10-05 The Procter & Gamble Company Oral Care Compositions With An Effective Flavor Display

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Title
CHEMICAL AND ENGINEERING NEWS, vol. 63, no. 5, 1985, pages 27
DATABASE GNPD [online] MINTEL; 23 November 2021 (2021-11-23), ANONYMOUS: "Fresh Mint Flavored Fluoride Anticavity Toothpaste with 4% Hydrogen Peroxide", XP055925023, retrieved from https://www.gnpd.com/sinatra/recordpage/9179374/ Database accession no. 9179374 *

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AU2022222816A9 (en) 2024-07-18
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