EP3142629A1 - Agents de soin et de nettoyage bucco-dentaire permettant de réduire la coloration des dents - Google Patents

Agents de soin et de nettoyage bucco-dentaire permettant de réduire la coloration des dents

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Publication number
EP3142629A1
EP3142629A1 EP15713415.6A EP15713415A EP3142629A1 EP 3142629 A1 EP3142629 A1 EP 3142629A1 EP 15713415 A EP15713415 A EP 15713415A EP 3142629 A1 EP3142629 A1 EP 3142629A1
Authority
EP
European Patent Office
Prior art keywords
weight
oral
formula
dental care
structural unit
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Withdrawn
Application number
EP15713415.6A
Other languages
German (de)
English (en)
Inventor
Thomas Welss
Nicole Duschek
Kristin Miehlich
Wilfried Howorka
Daniela Schmitz
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP3142629A1 publication Critical patent/EP3142629A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • A61K8/8164—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 a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)
    • 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
    • A61K8/24—Phosphorous; Compounds thereof
    • 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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/51—Chelating agents

Definitions

  • the invention relates to oral and dental care products with a combination of active ingredients for gentle and effective cleaning of the teeth.
  • Dentifrices are available in various forms on the market and are primarily used to clean the tooth surface and to prevent tooth and gum disease. They usually contain a combination of polishes, humectants, surfactants, binders, flavorings and fluoride-containing and antimicrobial agents. In addition to toothpowder, which play a minor role because of their increased abrasiveness, dentifrices are mainly offered in paste, cream and translucent or transparent gel form. Liquid or liquid toothpastes and mouthwashes have also become increasingly important in recent years.
  • Stains on the tooth surface can be caused by the consumption of color-intensive drinks and foods (for example tea or red wine) and by an increased mineralization of plaque, the tartar.
  • the invention therefore oral and Zahn too- and -curismittel containing - based on their weight - a) 0.001 to 5 wt .-% copolymer (s), comprising at least one structural unit of the formula (A1) and at least one structural unit of the formula (A2)
  • R is an (O to Cis) -alkyl group
  • R 2 is an (O to C 6) alkyl group
  • M represents a hydrogen atom or one equivalent of a mono- or polyvalent one
  • copolymer (s) and pentasodium triphosphate promotes the removal of surface stains and prevents the formation of tartar by optimally solving typical soiling of teeth. These loosened soils can then be removed more efficiently in the following with milder cleaning particles.
  • copolymer (s) and pentasodium triphosphate also leads to a reduced mineralization of plaque, which leads to a lower buildup of tartar.
  • Oral and dental care products as well as mouth and tooth cleaning agents in the sense of the invention are mouthwashes and toothpowder, oral and toothpastes, liquid mouthwashes and toothpastes, oral and dental rinses, and oral and dental gels.
  • suitable are toothpastes and liquid dentifrices.
  • the oral and dental care and cleaning agents for example in the form of toothpastes, liquid toothpastes, tooth powders, mouthwashes or possibly also as gum, z. B. as chewing gum, present.
  • they are more or less flowable or plastic toothpastes as they are used to clean the teeth using a toothbrush.
  • Another particularly preferred embodiment of the present invention are mouthwashes and mouthwashes used to rinse the oral cavity.
  • compositions according to the invention contain, based on their weight, from 0.001 to 5% by weight of copolymer (e) comprising at least one structural unit of the formula (A1) and at least one structural unit of the formula (A2)
  • R 1 is an (O to Cis) -alkyl group
  • R 2 is an (O to C 6) alkyl group
  • M represents a hydrogen atom or one equivalent of a mono- or polyvalent one
  • Examples of (O to C4) -alkyl groups according to the invention are methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, isobutyl, tert-butyl.
  • Examples of (Cs to C30) alkyl groups according to the invention are octyl (capryl), decyl (caprinyl), dodecyl (lauryl), tetradecyl (myristyl), hexadecyl (cetyl), octadecyl (stearyl), eicosyl (arachyl), docosyl (behenyl) ,
  • the agents according to the invention contain as component (b) at least one polymer selected from at least one polymer of the group with polymers of the INCI nomenclature butyl ester of PVM / MA copolymer, isopropyl ester of PVM / MA copolymer, ethyl ester of PVM / MA copolymer.
  • Corresponding polymers of component a) of the inventive composition for example, under the trade name Gantrez ® ES 425 (copolymer of methyl vinyl ether and butyl Halbester of maleic acid; 50 wt .-% of active substance in ethanol; INCI name: Butyl ester of PVM / MA copolymer (Ashland)), Gantrez ® ES 435 (copolymer of methyl vinyl ether and butyl Halbester of maleic acid; 50 wt .-% of active substance in isopropanol; INCI Name: Butyl ester of PVM / MA copolymer (Ashland)), Gantrez ® ES 3351 (copolymer of methyl vinyl ether and isopropyl Halbester of maleic acid; 50 wt .-% of active substance in isopropanol; INCI name: Butyl ester of PVM / MA copolymer (Ashland)), G
  • Such copolymers for example, under the trade name Gantrez ® S 97 BF (methyl vinyl ether and maleic acid copolymer of (Ashland)) sold.
  • Particularly preferred oral and dental care and cleaning agents according to the invention are characterized in that they contain, based on their weight, 0.005-4% by weight, preferably 0.01-3% by weight, particularly preferably 0.025-2% by weight. %, exceptionally preferably 0.05-1.5% by weight and in particular 0.1-1% by weight of copolymer (s) of maleic acid and methyl vinyl ether.
  • copolymers a) of a certain molar mass range are particularly effective in the combination according to the invention.
  • Particularly preferred oral and dental care and cleaning agents according to the invention are therefore characterized in that the copolymer (s) comprising at least one structural unit of the formula (A1) and at least one structural unit of the formula (A2), molecular weights of 500,000 to 5,000,000 Dalton, preferably from 600,000 to 4,000,000 daltons, more preferably from 700,000 to 3,000,000, even more preferably from 800,000 to 2,000,000 daltons and in particular from 900,000 to 1, 500,000 daltons / have.
  • the compositions according to the invention contain from 0.1 to 10% by weight of pentasodium triphosphate.
  • Pentasodium triphosphate also called sodium tripolyphosphate
  • the name triphosphate is occasionally used in place of pentasodium triphosphate. The use within narrower ranges is particularly effective.
  • oral and dental care and cleaning agent characterized in that they - based on their weight - 0.25 - 9 wt .-%, preferably 0.5 - 8 wt .-%, particularly preferably 0.75 - 7 wt .-%, most preferably 1 - 6 wt .-%, more preferably 2 to 5.5 wt .-% and in particular 3 to 5 wt .-% pentasodium triphosphate.
  • the oral and dental care and cleaning agents according to the invention may contain further ingredients. Preference is given here to the use of so-called humectants that prevent dehydration in toothpastes. In so-called liquid tooth creams with flowable rheology these serve as a matrix and are used in higher amounts. In mouthwashes and mouthwashes, these alcohols serve as consistency regulators and additional sweeteners.
  • oral and dental care and cleaning compositions according to the invention are preferred which - based on their weight - 10 to 50 wt .-%, preferably 12.5 to 45 wt .-%, particularly preferably 15 to 40 wt .-%, further preferably 17.5 to 35 wt .-% and in particular 20 to 29 wt .-% of polyhydric alcohol (s) from the group sorbitol and / or glycerol and / or 1, 2-propylene glycol or mixtures thereof.
  • polyhydric alcohol s
  • sorbitol is preferred.
  • mixtures of two of the three or all three may be preferred.
  • a mixture of glycerol, sorbitol and 1,2-propylene glycol in a weight ratio of 1: (0.5-1) :( 0, 1-0.5) has proved particularly advantageous.
  • suitable further polyhydric alcohols are those having at least 2 OH groups, preferably mannitol, xylitol, polyethylene glycol, polypropylene glycol and mixtures thereof.
  • suitable further polyhydric alcohols those having at least 2 OH groups, preferably mannitol, xylitol, polyethylene glycol, polypropylene glycol and mixtures thereof.
  • these compounds those having 2 to 12 OH groups, and especially those having 2, 3, 4, 5, 6 or 10 OH groups are preferred.
  • the (n, n + 1) or (n, n + 2) - diols with non-terminal OH groups can also be used.
  • polyhydroxy compounds having 2 OH groups are also the polyethylene and polypropylene glycols.
  • polyhydric alcohols may, for. B. xylitol, propylene glycols, polyethylene glycols, especially those having average molecular weights of 200-800 are used.
  • Particularly preferred is the use of sorbitol, so that agents which contain no other polyhydric alcohols other than sorbitol are particularly preferred.
  • compositions according to the invention may additionally contain at least one polishing agent.
  • a polishing agent are in principle all known for toothpastes friction body, in particular those that do not contain calcium ions.
  • suitable polishing agent components are therefore silicic acids, aluminum hydroxide, aluminum oxide, sodium aluminum silicates, organic polymers or mixtures of such friction bodies.
  • Calcium containing polishing components such as e.g.
  • chalk, calcium pyrophosphate, dicalcium phosphate dihydrate can be present in amounts of up to 5% by weight, based on the total composition.
  • the total content of polishing agents is preferably in the range of 5 to 50% by weight of the dentifrice.
  • Agents preferred according to the invention contain polishing agents within narrower ranges.
  • preferred oral and dental care and - cleaning agent according to the invention characterized in that - based on their weight - 1 to 25 wt .-%, preferably 2.5 to 20 wt .-%, more preferably 5 to 18 parts by weight. % and in particular 7.5 to 16 wt .-% polish.
  • Suitable silicas are e.g. Gel silicas, hydrogel silicas and precipitated silicas.
  • Gel silicas are prepared by reacting sodium silicate solutions with strong, aqueous mineral acids to form a hydrosol, aging to the hydrogel, washing and drying. If the drying takes place under mild conditions to water contents of 15 to 35 wt .-%, the so-called hydrogel silicas are obtained. Drying to water contents below 15% by weight results in an irreversible shrinkage of the previously loose structure of the hydrogel to the dense structure of the so-called xerogel.
  • a second, particularly suitable group of silica polishes are the precipitated silicas. These are obtained by precipitation of silica from dilute alkali silicate solutions by addition of strong acids under conditions in which aggregation to the sol and gel can not occur.
  • Suitable methods for preferably suitable is a precipitated silica having a BET surface area of 15 to 10 m 2 / g, a particle size of 0.5 to 20 ⁇ m, where at least 80% by weight of the primary particles are below 5 ⁇ m, and one Viscosity in 30% glycerol-water (1: 1) dispersion of 30 - 60 Pa.s (20 ° C) in an amount of 10 - 20 wt .-% of the toothpaste.
  • Particularly suitable precipitated silicas of this type have rounded corners and edges and are commercially available under the trade name ® Sident 12 DS (DEGUSSA).
  • polishing agent component e.g. Aluminum oxide in the form of weakly calcined clay containing - and -Aluminiumoxid in an amount of about 1-5 wt .-%.
  • Aluminum oxide in the form of weakly calcined clay containing - and -Aluminiumoxid in an amount of about 1-5 wt .-% is available under the trade designation "Polianton earth P10 finest" (Giulini Chemie).
  • polishing agent As a polishing agent are all further known for toothpastes friction body such.
  • oral and dental care and cleaning compositions according to the invention are preferably those which additionally have cleaning bodies, preferably silicic acids, aluminum hydroxide, aluminum oxide, calcium pyrophosphate, chalk, dicalcium phosphate dihydrate (CaHPC 2H 2 O), sodium aluminum silicates, in particular zeolite A, organic polymers, in particular polymethacrylates or mixtures thereof Friction body, preferably in amounts of 1 to 30 wt.%, Preferably from 2.5 to 25 wt.% And in particular from 5 to 22 wt.%, Each based on the total agent included.
  • cleaning bodies preferably silicic acids, aluminum hydroxide, aluminum oxide, calcium pyrophosphate, chalk, dicalcium phosphate dihydrate (CaHPC 2H 2 O), sodium aluminum silicates, in particular zeolite A, organic polymers, in particular polymethacrylates or mixtures thereof Friction body, preferably in amounts of 1 to 30 wt.%, Preferably from 2.5 to 25 wt.% And in particular from
  • Particularly preferred mouth and dental care and cleaning compositions according to the invention contain exclusively polishing agents from the group of silicic acids, aluminum hydroxide, aluminum oxide, dicalcium phosphate dihydrate (CaHPC 2H 2 O) or mixtures of these friction bodies. These polishing agents have proven to be particularly efficient in achieving the object of the invention.
  • compositions according to the invention contain, based on their weight, from 1 to 30% by weight of precipitated silica (s) having a specific surface area according to ISO 5794-1, Annex D of ⁇ 55 m 2 / g.
  • the precipitated silicas are the corresponding have specific surface areas, used within narrower ranges, and particularly preferred precipitated silicas are used, which have even lower specific surface area according to ISO 5794-1, Annex D.
  • Preferred oral and dental care and cleaning compositions according to the invention contain from 2.5 to 19.5% by weight, preferably from 5 to 19% by weight, particularly preferably from 7.5 to 18.5% by weight, more preferably 8, 0 to 18 wt .-% and in particular 10.0 to 17.5 wt .-% precipitated silica (s) having a specific surface area according to ISO 5794-1, Annex D of ⁇ 60 m 2 / g, preferably of ⁇ 52.5 m 2 / g, more preferably ⁇ 49 m 2 / g and especially ⁇ 47 m 2 / g.
  • the oral and dental care and cleaning compositions according to the invention may contain at least one anionic surfactant.
  • Suitable anionic surfactants are, for. B. linear sodium alkyl sulfates having 12-18 C atoms in the alkyl group. These substances additionally have an enzyme-inhibiting effect on the bacterial metabolism of the dental plaque.
  • Further suitable surfactants are alkali metal salts, preferably sodium salts of alkylpolyglycol ether sulfate having 12-16 C atoms in the linear alkyl group and 2-6 glycol ether groups in the molecule, of linear alkane (C 12 -C 18) sulfonate, of sulfosuccinic monoalkyl (C 12 -C 18) ) esters of sulfated fatty acid monoglycerides, sulfated fatty acid alkanolamides, sulfoacetic acid alkyl (Ci2-Ci6) esters, acylsarcosines, acyl taurides and acyl isothionates each having 8-18 carbon atoms in the
  • anionic surfactants are soaps, alkylbenzenesulfonates, olefinsulfonates, alkyl ether sulfonates, glycerol ether sulfonates, ⁇ -methyl ester sulfonates, sulfo fatty acids, alkyl sulfates, fatty alcohol ether sulfates, glycerol ether sulfates, hydroxy mixed ether sulfates, monoglyceride (ether) sulfates, fatty acid amide (ether) sulfates, mono- and dialkyl sulfosuccinates , Mono- and dialkylsulfosuccinamates, sulfotriglycerides, amide soaps, ether carboxylic acids and their salts, fatty acid isethionates, fatty acid sarcosinates, fatty acid taurides, N-acyl amino acids such as acyl lact
  • Oral and dental care and cleaning agents which are preferred according to the invention are characterized in that they contain 0.25 to 4% by weight, preferably 0.5 to 3.5% by weight, more preferably 0.75 to 3% by weight. , even more preferably 1 to 2.5 wt .-% and in particular 1, 25 to 2.2 wt .-% anionic (s) surfactant (s) included.
  • the oral and dental care and cleansing compositions of the invention may contain at least one amphoteric surfactant.
  • Amphoteric surfactants are subdivided into ampholytic surfactants and zwitterionic surfactants.
  • Ampholytic surfactants are understood to mean those surface-active compounds which have both acidic and basic hydrophilic groups and thus behave acidic or basic depending on the condition.
  • Suitable ampholytic surfactants contain, for example, apart from a Cs-C24-alkyl or -acyl group, at least one free amino group (basic hydrophilic group) and at least one - COOH or -SCbH group (acidic hydrophilic group) and are capable of forming internal salts .
  • suitable ampholytic surfactants are N-alkylglycines, N-alkylaminopropionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N-alkylamidoproylglycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids with each about 8 to 24 carbon atoms in the alkyl group.
  • Particularly preferred ampholytic surfactants are N-cocoalkylaminopropionate, cocoacylaminoethylamin
  • Particularly preferred mouth and dental care and cleaning agents according to the invention are characterized in that they contain amphoteric surfactant (s) from the groups of
  • Alkylaminoacetic acids each having about 8 to 24 carbon atoms in the alkyl group
  • N-alkyl-N, N-dimethylammonium glycinates for example cocoalkyldimethylammonium glycine,
  • N-acyl-aminopropyl-N, N-dimethylammonium glycinates for example cocoacylaminopropyl-dimethylammonium glycinate
  • R is a straight-chain or branched, saturated or mono- or polyunsaturated alkyl or alkenyl radical having 8 to 24 carbon atoms.
  • surfactants are referred to the INCI nomenclature as Amidopropylbetaine, wherein the representatives derived from coconut fatty acids are preferred and are referred to as Cocoamidopropylbetaine. According to the invention, particular preference is given to using surfactants of the formula (Bet-I) which are a mixture of the following representatives:
  • an oral and dental care and cleaning agent according to the invention is therefore characterized in that it contains, based on its total weight, 0.05 to 5.0 wt .-%, preferably 0, 1 to 3.5 wt .-%, particularly preferably 0.2 to 2.5 wt .-% and in particular 0.5 to 2.0 wt .-% amphoteric (s) surfactant (s), preferably Cocamidopropylbetain.
  • Oral and dental care and cleaning agents may also contain other substances that are effective against plaque and / or tartar.
  • antimicrobial substances and preservatives (plaque) or chelating agents (tartar) are suitable for this purpose.
  • Antiplaque agents preferably Alkypyridiniumsalze, in particular Cetylpyridiniumchlorid, p-Hydroxybenzoeklaremethyl-, ethyl or propyl esters, sodium sorbate, sodium benzoate, bromochlorophene, triclosan, hexetidines, phenyl Salicylic acid esters, biguanides z.
  • chlorhexidine thymol, preferably in amounts of 0.05 to 5 wt.%, Preferably from 0.10 to 2.5 wt.% And in particular from 0.30 to 1, 5 wt.%, Each based on the total agent included.
  • Anti-calculus substances may be, for example, chelating agents such.
  • chelating agents such as ethylene diamine tetraacetic acid and its sodium salts, pyrophosphate salts such as the water-soluble dialkali or Tetraalkalimetallpyrophosphat- salts, z. Na 4 P 2 O 7, K 4 P 2 O 7, Na 2 K 2 P 2 O 7, Na 2 H 2 P 2 O 7
  • R is hydrogen or a linear or branched alkyl group having 1 to 6 carbon atoms
  • R 2 and R 3 are a linear or branched alkyl group having 1 to 6 carbon atoms or R 2 and R 3 is a cyclic group with 4 to 8 carbon atoms and optionally one heteroatom selected from the group of N, O and S
  • X + independently represent H + , Li + , Na + , K + , NH 4 + , V 2 Mg 2+ , V 2 Ca 2+ , V 2 Mn 2+ , V 2 Zn 2+ , V 3 Al 3+ , ⁇ Zu.
  • Extremely preferred compounds of the formula (PP-I) are characterized in that the radicals R 2 and R 3 form a cyclic group having 4 to 8 carbon atoms and optionally one heteroatom selected from the group of N, O and S.
  • An especially preferred compound of the formula (PP-I) is the azacycloheptane diphosphonic acid.
  • Extremely preferred oral and dental care and cleaning agents according to the invention are therefore characterized in that they contain, based on their weight, 0.025-4.5% by weight, preferably 0.05-4% by weight, more preferably 0.1% - 3 wt .-%, exceptionally preferably 0, 15 - 2 wt .-%, more preferably 0.25 to 1, 5 wt .-% and in particular 0.5 to 1 wt .-% Verbindun en) of the formula (PP la)
  • X + independently represent H + , Li + , Na + , K + , NH 4 + , V 2 Mg 2+ , V 2 Ca 2+ , V 2 Mn 2+ , V 2 Zn 2+ , V 3 Al 3+ V 4 To be included.
  • the 4 cations be defined as: 2 Na + 2 H + , so that highly preferred mouth and tooth care and cleaning compositions of the present invention are characterized by having 0.025-4 by weight. 5 wt .-%, preferably 0.05 to 4 wt .-%, particularly preferably 0, 1 to 3 wt .-%, most preferably 0, 15 to 2 wt .-%, more preferably 0.25 to 1, 5 Wt .-% and in particular 0.5 to 1 wt .-% disodium azacycloheptane diphosphonate.
  • the dentifrices according to the invention may e.g. be improved by the addition of aromatic oils and sweeteners in their organoleptic properties.
  • Natural flavors can be contained both in the form of natural essential oils isolated from drugs and the individual components isolated therefrom. Suitable flavors are e.g. Whistle oil, spearmint oil, eucalyptus oil, aniseed oil, fennel oil, caraway oil, menthyl acetate, cinnamaldehyde, anethole, vanillin, thymol and mixtures of these components.
  • Suitable sweeteners are e.g. Saccharin sodium, sodium cyclamate, sucrose, lactose, meltose, fructose, maltose and dextrose.
  • Agents preferred according to the invention therefore comprise at least one zinc salt, preferably in amounts of from 0.001 to 5% by weight, based on the total agent, with particularly preferred oral and dental care and cleaning compositions being characterized in that they contain from 0.001 to 5% by weight. , preferably 0.02 to 2.5 wt .-%, particularly preferably 0.03 to 2.0 wt .-%, more preferably 0.04 to 1, 5 wt .-%, even more preferably 0.05 to 1 , 0 wt .-%, even more preferably 0.06 to 0.5 wt .-% and in particular 0.07 to 0.25 wt .-% of at least one zinc salt.
  • both inorganic and organic salts of zinc can be used according to the invention.
  • the insoluble inorganic zinc salts ie salts which have a solubility below 100 mg / L (20 ° C), preferably below 10 mg / L (20 ° C), in particular no solubility (20 ° C) (Ex .: zinc oxide )
  • the soluble inorganic zinc salts that is, salts having a solubility in water above 100 mg / L, preferably above 500 mg / L, more preferably above 1 g / L and especially above 5 g / L , preferred ingredient of agents according to the invention.
  • Preferred soluble inorganic salts include zinc bromide, zinc chloride, zinc iodide, zinc nitrate and zinc sulfate.
  • Particularly preferred agents according to the invention contain at least one zinc salt from the following table:
  • the spectrum of the inventively preferred zinc salts of organic acids ranging from salts which are not soluble in water, ie a solubility below 100 mg / L, preferably below 10 mg / L, in particular have no solubility, to such salts, the in water have a solubility above 100 mg / L, preferably above 500 mg / L, more preferably above 1 g / L and in particular above 5 g / L (all solubilities at 20 ° C water temperature).
  • the first group of zinc salts includes, for example, zinc acetate, zinc laureate, zinc oleate, zinc oxalate, zinc tartrate and zinc stearate.
  • the group of soluble organic zinc salts includes, for example, zinc acetate, zinc acetylacetonate, zinc benzoate, zinc formate, zinc lactate, the zinc gluconate, the zinc valerate and the zinc salt of p-toluenesulfonic acid. It has been found that zinc sulfate is a particularly preferred zinc salt. Zinc sulfate forms several hydrates. The heptahydrate forms from saturated aqueous solution in the form of colorless, glazed, columnar, rhombic crystals. Above 39 ° C conversion to ZnSC ⁇ 6H2O occurs and at 70 ° C only ZnSC ⁇ H2O is present; the last hhO molecule escapes at 240 ° C. Interestingly, the effect of the invention increases in the zinc sulfates with their content of water of crystallization, so that the heptahydrate is a particularly preferred compound.
  • sulfate preferably zinc sulfate heptahydrate
  • compositions according to the invention can be formulated as toothpastes or toothpastes.
  • Another object of the present invention is the use of agents according to the invention for cleaning teeth by means of manually operated or electric toothbrushes.
  • the compositions according to the invention have the further advantage that they are effective even in small amounts and, moreover, do not impair the mechanics of the electric brush head.
  • Another object of the present invention is a method for cleaning teeth, characterized in that an inventive agent is applied to the brush head of a manually operated or electric toothbrush and brushed with the toothbrush teeth.
  • Another object of the present invention is a method for cleaning teeth, characterized by the steps
  • Another object of the present invention is the use of oral and dental care and cleaning compositions containing - based on their weight - a) 0.1 to 5 wt .-% copolymer (s) comprising at least one structural unit of the formula (A1 ) and at least one structural unit of the formula (A2)
  • R 1 is an (O to C 18) alkyl group
  • R 2 is an (O to C 6) alkyl group
  • M represents a hydrogen atom or one equivalent of a mono- or polyvalent one

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

L'invention concerne des agents de soin et de nettoyage bucco-dentaire contenant ‑ rapporté à leur poids ‑ a) 0,001 à 5 % en poids d'un ou plusieurs copolymères comprenant au moins un motif structurel de formule (A1) et au moins un motif structurel de formule (A2), b) formule (A1), formule (A2), où R1 représente un groupe alkyle en C1 à C18, R2 représente un groupe alkyle en C1 à C6, M représente un atome d'hydrogène ou un équivalent d'un cation uni- ou multivalent; c) 0,1 à 10 % en poids de triphosphate pentasodique. Ces agents exercent un effet de synergie qui améliore les performances de nettoyage des taches superficielles sur les dents ainsi que la prévention de la formation de tartre sans entraîner une plus grande usure de l'émail dentaire.
EP15713415.6A 2014-05-14 2015-03-23 Agents de soin et de nettoyage bucco-dentaire permettant de réduire la coloration des dents Withdrawn EP3142629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014209070.9A DE102014209070A1 (de) 2014-05-14 2014-05-14 Mund- und Zahnpflege- und -reinigungsmittel zur Verringerung der Zahnverfärbung
PCT/EP2015/056090 WO2015172922A1 (fr) 2014-05-14 2015-03-23 Agents de soin et de nettoyage bucco-dentaire permettant de réduire la coloration des dents

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EP3142629A1 true EP3142629A1 (fr) 2017-03-22

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US (1) US20170049679A1 (fr)
EP (1) EP3142629A1 (fr)
DE (1) DE102014209070A1 (fr)
WO (1) WO2015172922A1 (fr)

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