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
  • A61K8/30—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
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/0208—Tissues; Wipes; Patches
• • 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
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/362—Polycarboxylic acids
• • 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
  • A61K8/37—Esters of carboxylic acids
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin

Definitions

• This invention relates to special wax-based compositions which may be used as a basis for cosmetic preparations and, more particularly, for impregnating and wetting utility and sanitary wipes used for personal hygiene and body care.
• paper encompasses about 3,000 different types and articles which can differ, sometimes considerably, in their applications and their properties. Their production involves the use of numerous additives among the most important of which are fillers (for example chalk or kaolin) and binders (for example starch).
• fillers for example chalk or kaolin
• binders for example starch.
• International patent application WO 95/35412 discloses similar tissue papers where water-free mixtures of (a) mineral oils, (b) fatty alcohols or fatty acids and (c) fatty alcohol ethoxylates are used as softeners.
• International patent application WO 95/16824 describes softening formulations for tissue papers containing mineral oil, fatty alcohol ethoxylates and nonionic surfactants (sorbitan esters, glucamides).
• International patent application WO 97/30216 (Kaysersberg) describes liquid softening formulations for paper handkerchiefs based on long-chain saturated fatty alcohols and wax esters with, in all, at least 24 carbon atoms which have a very high water content.
• DE 33 09 530 describes hygienic absorbent materials which are coated with glycerides and/or partial glycerides of coconut oil fatty acids. Coatings for personal hygiene products are also described by R. E. Mathis in Nonwovens World 1999, pages 59-65.
• compositions for coating tissue papers and wet wipes which would be distinguished by improved sensory properties and, more particularly, by a less greasy feeling on the skin.
• the compositions would be able to be applied in liquefied form to the papers and would allow the papers to be aftertreated with water without the compositions dissolving.
• the compositions would also be stable in storage after application to papers/wipes subsequently treated with water and would not mix, i.e. would not form emulsions in the event of prolonged storage.
• the compositions to be provided by the invention would also ensure the efficient release of active components.
• the coated wipes would have excellent care properties and would be distinguished by particular mildness and dermatological compatibility.
• only readily biodegradable auxiliaries would be used and, despite their very low water content, the preparations would readily penetrate into the tissue, would be uniformly distributed and would be readily processable.
• wax-like preparations containing special oil or wax components and very little water have excellent sensory and care properties, are very easy to apply and are distinguished by particular mildness.
• the present invention relates to wax-based compositions with a melting point above 25° C. containing
• Waxes are normally understood to be natural or synthetic substances and mixtures having the following properties: they have a solid to brittle hard consistency, are coarsely to finely crystalline, transparent to opaque and melt above 30° C. without decomposing. Even slightly above their melting point, they are low in viscosity and non-stringing and are very temperature-dependent in their consistency and solubility. Wax-like compositions distinguished by a melting point above 25° C. may be used in accordance with the invention.
• compositions according to the invention contain less than 10% by weight water, preferably less than 6% by weight water and more particularly less than 3% by weight water.
• the compositions are water-free. Water-free in the context of the invention means that the compositions may have a small water content originating from their raw materials, but do not contain any added water. In the processing and application of the composition to the wipes, the wipes can thus be aftertreated with aqueous/surfactant-containing solutions without the composition dissolving.
• compositions according to the invention may be formulated exclusively from dialkyl(ene) ethers, dialkyl(ene) carbonates, dicarboxylic acids or hydroxyfatty alcohols or mixtures thereof with a wax-like consistency, but preferably contain other wax-like lipid components and oils according to the requirement profile.
• the melting range of the composition as a whole must be above 25° C., i.e. the composition can be applied to the papers in liquefied form above that temperature.
• liquid dialkyl(ene) ethers, dialkyl(ene) carbonates, dicarboxylic acids or hydroxyfatty alcohols may also be used in accordance with the invention providing the composition as a whole has the required melting point of higher than 25° C.
• a preferred embodiment is characterized in that the composition melts in the range from ca. 30 to 45° C. and more particularly in the range from 32 to 40° C. This ensures that, after coating of the paper, the composition resolidifies so that the wipes can be aftertreated with aqueous/surfactant-containing solutions and/or lotions and a soft non-brittle film is left behind on the wipes. Wipes coated with such compositions are particularly stable in storage and mixing of the phases is avoided. In addition, the composition only melts again when the wipes are applied to the skin and only then is it emulsified with the aqueous phase.
• compositions with a penetration value of 0.2 to 3.0 mm are particularly advantageous.
• the dialkyl(ene) ethers may be symmetrical or nonsymmetrical, branched or unbranched, saturated or unsaturated.
• Dialkyl(ene) ethers particularly suitable for the purposes of the invention are wax-like saturated C 16-30 dialkyl ethers, more particularly C 16-24 dialkyl ethers.
• C 16-20 dialkyl ethers are particularly preferred, distearyl ether and dibehenyl ether being most particularly suitable.
• Relatively short-chain dialkyl ethers for example di-n-octyl ether, di(2-ethylhexyl)-ether, lauryl methyl ether or octyl butyl ether, didoceyl ether, may also be used in accordance with the invention providing the composition as a whole has the required melting point.
• the compounds can be produced from fatty alcohols in the presence of acidic catalysts by generally known methods, cf. for example DE 195 11 668 A1, DE 198 31 705 A1 and DE 199 43 585.
• Typical examples of such ethers are products obtained by etherification of caproic alcohol, caprylic alcohol,.
• the dialkyl(ene) carbonates may be symmetrical or nonsymmetrical, branched or unbranched, saturated or unsaturated.
• dialkyl carbonates wax-like, linear or branched, saturated or unsaturated C 14-30 dialkyl(ene) carbonates are preferred for the purposes of the invention.
• C 16-24 dialkyl(ene) carbonates are particularly preferred and, of these, saturated unbranched C 16-22 dialkyl carbonates are particularly suitable.
• Distearyl carbonate is most particularly preferred.
• liquid dialkyl(ene) carbonates such as, for example, dihexyl, dioctyl, di-(2-ethylhexyl) or dioleyl carbonate may also be used in accordance with the invention providing the composition as a whole has the required melting point.
• the compounds may be obtained by transesterification of dimethyl or diethyl carbonate with the corresponding hydroxy compounds by known methods. A relevant overview can be found in Chem. Rev. 96, 951 (1996).
• dialkyl(ene) carbonates are transesterification products of dimethyl and/or diethyl carbonate with caproic alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, palmitoleyl alcohol, stearyl alcohol, isostearyl alcohol, elaidyl alcohol, petroselinyl alcohol, linolyl alcohol, linolenyl alcohol, oleyl alcohol, ricinolyl alcohol, elaeostearyl alcohol, arachidyl alcohol, gadolelyl alcohol, behenyl alcohol, erucyl alcohol and brassidyl alcohol, Guerbet alcohols and the technical mixtures thereof obtained, for example, in the high-pressure hydrogenation of technical methyl esters based on fats and oils.
• Dialkyl(ene) carbonates solid are 25° C. are particularly suitable.
• C 9-34 dicarboxylic acids may be used as the dicarboxylic acids.
• Such acids include, for example, octadecanedioic acid, tetratridecanoic acid, etc.
• hydroxyfafty alcohols saturated or unsaturated, branched or unbranched compounds are suitable.
• C 12-30 fatty alcohols are preferred, the position of the hydroxy substituent being dependent upon the synthesis route and the educts used.
• Such fatty alcohols include, for example, decane-1,10-diol (Speziol® 10/2), hexanedecane-1,2-diol, 12-hydroxystearyl alcohol or hydroxyguerbet alcohols.
• hydroxyfatty alcohols solid at 25° C. are particularly suitable although liquid hydroxyfatty alcohols may also be used providing the composition as a whole has the required melting point.
• the 12-hydroxystearyl alcohol marketed by Cognis France S. A. under the name of Speziol® 18/2 is particularly preferred.
• Hexanecane-1,2-diol is obtained by ring opening of the corresponding ⁇ -epoxide.
• dialkyl ethers, dialkyl carbonates and dicarboxylic acids and hydroxyalcohols are present in a total quantity of preferably 1 to 30% by weight, more preferably 1 to 20% by weight and most preferably 1 to 10% by weight, based on the composition as a whole.
• compositions according to the invention are substantially odorless, ecotoxicologically safe and readily biodegradable. They are suitable as fat-containing, mild cosmetic preparations and may also be incorporated as a base in cosmetic personal hygiene and body care preparations, such as creams, lotions, sprayable emulsions, sun protection products, antiperspirants, liquid and bar soaps. etc.
• tissue, papers, wipes, sponges, puffs, plasters and bandages which are used in the field of hygiene and care (wet wipes for baby hygiene and baby care, cleaning wipes, facial wipes, skin care wipes, wipes containing active components against skin ageing, wipes containing sun protection formulations and insect repellents and wipes for decorative cosmetics or for aftersun treatment, wet toilet wipes, antiperspirant wipes).
• compositions according to the invention may be marketed as powders, tablets, in porous form, as granules, in encapsulated or microencapsulated form.
• the composition contains other wax-like lipid components.
• other wax-like lipid components Through the addition of other wax-like lipid components, the sensory properties and the stability of the composition after application to papers can be further optimized and adapted to the requirement profile.
• any fats and fat-like substances with a wax-like consistency may be used as other lipid components (for a definition, see CD Römpp Chemie Lexikon—Version 1.0., Stuttgart/N.Y.: Georg Thieme Verlag 1995).
• These include inter alia fats (triglycerides), mono- and diglycerides, waxes, fatty and wax alcohols, fatty acids, esters of fatty alcohols and fatty acid amides or mixtures of these substances. They may be present in the compositions according to the invention in a total quantity of 0.1 to 90% by weight, preferably 5 to 65% by weight and more particularly 20 to 65% by weight.
• Fats in the context of the invention are understood to be triacylglycerols, i.e. the triple esters of fatty acids with glycerol.
• triacylglycerols those which melt at 30 to 45° C. and more particularly at 32 to 40° C., i.e. which have a melting range comparable with that of the composition as a whole, are preferred as the lipid component.
• They preferably contain saturated, unbranched and unsubstituted fatty acid components.
• They may also be mixed esters, i.e. triple esters of glycerol with various fatty acids. So-called hardened fats and oils obtained by partial hydrogenation may be used in accordance with the invention and are particularly suitable as consistency factors.
• Vegetable hardened fats and oils for example hardened castor oil, peanut oil, soybean oil, colza oil, rapeseed oil, cottonseed oil, soybean oil, sunflower oil, palm oil, palm kernel oil, linseed oil, almond oil, corn oil, olive oil, sesame oil, cocoa butter and coconut fat, are preferred.
• Suitable fats are inter alia the triple esters of glycerol with C 12-60 fatty acids and in particular C 12-36 fatty acids. These include hydrogenated castor oil, a triple ester of glycerol and a hydroxystearic acid which is marketed, for example, under the name of Cutina® HR. Gycerol tristearate, glycerol tribehenate (for example Syncrowax® HRC), glycerol tripalmitate or the triglyceride mixtures known under the name of Syncrowax® HGLC, are also suitable providing the melting point of the composition as a whole is above 25° C. and preferably in the range from 30 to 45° C.
• lipid components are mono- and diglycerides and mixtures of glycerides.
• preferred glyceride mixtures include the products Novata® AB and Novata® B (mixture of C 12-18 mono-, di- and triglycerides) and Cutina® MD or Cutina® GMS (glyceryl stearate) marketed by Cognis Deutschland GmbH.
• a preferred embodiment of the composition according to the invention contains at least one fatty acid glyceride from the group of mono-, di- or triesters of glycerol with fatty acids or a mixture thereof as another wax-like lipid component.
• the glyceride (mixture) is present in a quantity of normally less than 80% by weight, preferably less than 70% by weight and more particularly less than 60% by weight, based on the composition as a whole.
• Fatty alcohols suitable for use in accordance with the invention include C 12-50 fatty alcohols, more particularly C 12-24 fatty alcohols obtained from natural fats, oils and waxes such as, for example, myristyl alcohol, 1-pentadecanol, cetyl alcohol, 1-heptadecanol, stearyl alcohol, 1-nonadecanol, arachidyl alcohol, 1-heneicosanol, behenyl alcohol, brassidyl alcohol, lignoceryl alcohol, ceryl alcohol or myricyl alcohol and Guerbet alcohols. According to the invention, saturated, branched or unbranched alcohols are preferred.
• unsaturated, branched or unbranched fatty alcohols may also be used for the purposes of the invention providing the composition as a whole has the required melting point.
• suitable fatty alcohols are the fatty alcohol cuts obtained in the reduction of naturally occurring fats and oils such as, for example, bovine tallow, peanut oil, colza oil, cottonseed oil, soybean oil, sunflower oil, palm kernel oil, linseed oil, castor oil, corn oil, rapeseed oil, sesame oil, cocoa butter and coconut oil.
• composition according to the invention contains at least one fatty alcohol as another wax-like lipid component.
• C 14-18 fatty alcohols marketed for example by Cognis Deutschland GmbH under the name of Lanette® 16 (C 16 alcohol), Lanette® 14 (C 14 alcohol), Lanette®) O (C 16/18 alcohol) and Lanette® 22 (C 18/22 alcohol) are particularly suitable for the purposes of the invention.
• the C 16/18 Guerbet alcohol marketed by Cognis Deutschland GmbH under the name of Eutanol® G32/26 is also particularly suitable.
• Fatty alcohols give the compositions a dryer feeling on the skin than triglycerides and are therefore preferably used.
• C 14-40 fatty acids or mixtures thereof may be used as additional wax-like lipid components.
• These include, for example, myristic, pentadecanoic, palmitic, margaric, stearic, nonadecanoic, arachic, behenic, lignoceric, cerotic, melissic, erucic and elaeostearic acid and substituted fatty acids such as, for example, 12-hydroxystearic acid, and the amides or monoethanolamides of the fatty acids.
• This list is meant to be purely exemplary without any limiting character.
• Waxes suitable for use in accordance with the present invention are, for example, natural vegetable waxes, such as candelilla wax, carnauba wax, Japan wax, espartograss wax, cork wax, guaruma wax, rice oil wax, sugar cane wax, ouricury wax, montan wax, sunflower wax, fruit waxes, such as orange waxes, lemon waxes, grapefruit wax, bayberry wax, and animal waxes such as, for example, beeswax, shellac wax, spermaceti, wool wax and uropygial fat. According to the invention, it can be of advantage to use hydrogenated or hardened waxes.
• natural vegetable waxes such as candelilla wax, carnauba wax, Japan wax, espartograss wax, cork wax, guaruma wax, rice oil wax, sugar cane wax, ouricury wax, montan wax, sunflower wax, fruit waxes, such as orange waxes, lemon waxes, grapefruit
• Natural waxes usable in accordance with the invention also include the mineral waxes, such as ceresine and ozocerite for example, or the petrochemical waxes, for example petrolatum, paraffin waxes and microwaxes.
• Other suitable wax components are chemically modified waxes, more particularly the hard waxes such as, for example, montan ester waxes, sasol waxes and hydrogenated jojoba waxes.
• Synthetic waxes usable in accordance with the invention include, for example, wax-like polyalkylene waxes and polyethylene glycol waxes. Vegetable waxes are preferred for the purposes of the invention.
• the wax component may also be selected from the group of esters of saturated and/or unsaturated, branched and/or unbranched alkanecarboxylic acids and saturated and/or unsaturated, branched and/or unbranched alcohols, from the group of esters of aromatic carboxylic acids, dicarboxylic acids, tricarboxylic acids and hydroxycarboxylic acids (for example 12-hydroxystearic acid) and saturated and/or unsaturated, branched and/or unbranched alcohols and also from the group of lactides of long-chain hydroxycarboxylic acids.
• Wax components such as these include, for example, C 16-40 alkyl stearates, C 20-40 alkyl stearates (for example Kesterwachs® K82H), C 20-40 dialkyl esters of dimer acids, C 18-38 alkyl hydroxystearoyl stearates or C 20-40 alkyl erucates.
• wax components which may be used with advantage are C 30-50 alkyl beeswax, tristearyl citrate, triisostearyl citrate, stearyl heptanoate, stearyl octanoate, trilauryl citrate, ethylene glycol dipalmitate, ethylene glycol distearate, ethylene glycol di(12-hydroxystearate), stearyl stearate, palmityl stearate, stearyl behenate, cetyl ester, cetearyl behenate and behenyl behenate.
• Myristyl lactate (Cegesoft® C17) inter alia is particularly suitable for skin-care wipes because it binds well to the skin. Silicone waxes may also be used with advantage.
• alkali metal and alkaline earth metal and aluminium salts of C 12-24 fatty acids or C 12-24 hydroxyfatty acids may optionally be used as additional consistency factors, calcium, magnesium, aluminium and, in particular, zinc stearate being preferred.
• the composition according to the invention contains at least one oil component.
• oil components are substances or mixtures of substances which are liquid at 20° C. and immiscible with water at 25° C. Such substances include any oil components which are not among the dialkyl(ene) ethers, dialkyl(ene) carbonates, dicarboxylic acids or hydroxyfatty alcohols mentioned in claim 1 , i.e. for example glycerides, hydrocarbons, silicone oils, ester oils liquid at 20° C. or mixtures thereof.
• the oil components are present in the compositions according to the invention is quantities of normally less than 40% by weight, preferably 1 to 15% by weight and more particularly 2 to 10% by weight, based on the composition as a whole.
• the quantity of oils incorporated is limited by the proviso that the melting point of the composition as a whole must be above 25° C. Such optimizations are among the routine optimizations of the expert.
• Glycerides suitable as oil components in accordance with the invention include fatty acid esters of glycerol liquid at 20° C. which may be of natural (animal and vegetable) or synthetic origin. Glycerides are divided into mono-, di- and triglycerides. They are known substances which may be obtained by the relevant methods of preparative organic chemistry. Synthetic glycerides are normally mixtures of mono-, di and triglycerides which are obtained by transesterification of the corresponding triglycerides with glycerol or by selective esterification of fatty acids. Preferred fatty acids for the purposes of the invention are C 6-24 fatty acids and, among these, C 6-18 fatty acids and especially C 8-18 fatty acids.
• the fatty acids may be branched or unbranched, saturated or unsaturated.
• glycerides of veaetable origin liquid at 20° C. more particularly cocoglycerides, a mixture of predominantly di- and triglycerides with C 8-18 fatty acids marketed under the name of Myritol® 331 by Cognis Deutschland GmbH.
• Myritol® 312 C 8/10 triglycerides
• Cegesoft® PS 17 Cegesoft® GPO
• Cegesoft® PFO Cegesoft® PS 6 which give the compositions particularly favorable care properties after application.
• Suitable oil components are Guerbet alcohols liquid at 20° C. based on fatty alcohols containing 6 to 18 and preferably 8 to 10 carbon atoms, such as Eutanol® G for example.
• Liquid esters of linear, saturated or unsaturated C 6-22 fatty acids with linear or branched, saturated or unsaturated C 6-22 fatty alcohols or esters of branched C 6-13 carboxylic acids with linear or branched, saturated or unsaturated C 6-22 fatty alcohols, such as Cetiol® CC for example, may also be used as oil components in accordance with the invention.
• wax esters include the following typical representatives: decyl oleate (Cetiol® V), cococaprylate/caprate (Cetiol® SN), hexyl laurate (Cetiol® A), myristyl myristate (Cetiol® MM), myristyl isostearate, myristyl oleate, cetyl isostearate, cetyl oleate, stearyl isostearate, stearyl oleate, isostearyl myristate, isostearyl palmitate, isostearyl stearate, isostearyl isostearate, isostearyl oleate, isostearyl behenate, isostearyl oleate, oleyl myristate, oleyl palmitate, oleyl stearate, oleyl isostearate, oleyl oleate (Ce
• esters of linear C 6-22 fatty acids with branched alcohols are particularly 2-ethyl hexanol (Cetiol® 868), esters of branched C 6-22 fatty acids with linear alcohols, esters of C 18-38 alkylhydroxycarboxylic acids with linear or branched C 6-22 fatty alcohols, esters of linear and/or branched fatty acids with polyhydric alcohols (for example propylene glycol, dimer diol or trimer triol) and/or Guerbet alcohols and esters of C 6-22 fatty alcohols and/or Guerbet alcohols with aromatic carboxylic acids, more particularly benzoic acid, esters of C 2-12 dicarboxylic acids with linear or branched alcohols containing 1 to 22 carbon atoms (for example Dioctyl Malate) or polyols containing 2 to 10 carbon atoms and 2 to 6 hydroxyl groups.
• 2-ethyl hexanol Cetiol® 8
• oil components suitable for use in accordance with the invention are natural and synthetic, aliphatic and/or naphthenic hydrocarbons liquid at 20° C., such as for example squalane, squalene, paraffin oils, isohexadecane, isoeicosane or polydecenes and dialkyl cyclohexanes (Cetiol®).
• liquid silicone oils are liquid silicone oils.
• suitable oil components include, for example, dialkyl and alkylaryl siloxanes, such as for example cyclomethicone, dimethyl polysiloxane and methylphenyl polysiloxane and alkoxylated and quaternized analogs thereof.
• Suitable nonvolatile silicone oils such as for example polyalkyl siloxanes, polyalkylaryl siloxanes and polyether siloxane copolymers are described in Cosmetics: Science and Technology, eds.: M. Balsam and E. Sagarin, Vol. 1, 1972, pp. 27-104, in U.S. Pat. No. 4,202,879 and U.S. Pat. No. 5,069,897.
• a preferred embodiment of the composition according to the invention additionally contains at least one silicone compound selected from the group of silicone oils or silicone waxes. The addition of silicone compounds imparts a particularly light feeling on the skin.
• composition according to the invention additionally contains at least one active component.
• the active components may be used in encapsulated or microencapsulated form.
• active components are understood to be substances which contribute towards protecting the skin and strengthening the skin barrier and have an irritation-soothing, antimicrobial or skin-moisturizing effect.
• Preferred active components according to the invention are those which soothe inflammatory skin processes or reddened, sore skin, including for example zinc compounds and sulfur.
• the active component is present in a quantity of normally 0.01 to 10% by weight, preferably 0.1 to 7% by weight and more particularly 1 to 5% by weight, according to type.
• Oil-soluble active components are preferred for the purposes of the invention although limited quantities of water-soluble active components may also be incorporated through the addition of emulsifiers and/or solubilizers.
• the active components may also be present in combination with one another.
• plant extracts which often contain a synergistic combination of wound-healing/irritation-soothing substances. These extracts are normally obtained by extraction of the whole plant. In individual cases, however, it can also be preferred to prepare the extracts exclusively from flowers and/or leaves of the plant.
• Suitable extractants for the preparation of the plant extracts mentioned are water, alcohols and mixtures thereof.
• alcohols lower alcohols, such as ethanol and isopropanol, but especially polyhydric alcohols, such as ethylene glycol and propylene glycol, are preferably used both as sole extractant and in the form of mixtures with water.
• Plant extracts based on water/propylene glycol in a ratio of 1:10 to 10:1 have proved to be particularly suitable.
• Typical examples of germ inhibitors are preservatives which act specifically against gram-positive bacteria such as, for example, 2,4,4′-trichloro-2′-hydroxydiphenyl ether, chlorhexidine (1,6-di-(4-chlorophenyl-biguanido)-hexane) or TCC (3,4,4′-trichlorocarbanilide).
• Numerous perfumes and essential oils also have antimicrobial properties.
• Typical examples are the active substances eugenol, menthol and thymol in nettle, mint and thyme oil.
• Glycerol monolaurate, glycerol stearate, glycerol oleate and glycerol diolate have also been found to show germ-inhibiting activity and, by virtue of their particular mildness and harmlessness, may be used with particular advantage in baby hygiene and baby care.
• biogenic agents are, for example, tocopherol, tocopherol acetate, tocopherol palmitate, ascorbic acid, deoxyribonucleic acid, retinol, bisabolol, allantoin, phytantriol, panthenol, ⁇ -hydroxycarboxylic acids, amino acids, ceramides, pseudoceramides, essential oils, plant extracts and vitamin complexes.
• preferred active components are oil-soluble vitamins and vitamin precursors. Tocopherol (vitamin E) and tocopherol derivatives are most particularly preferred.
• Suitable active components are the compounds marketed under the name of Generol®, including ethoxylated and non-ethoxylated phytosterols.
• the percentage content of germ inhibitors is normally about 0.1 to 2% by weight, based on the composition as a whole.
• the glycerol esters may be used in relatively large quantities (vide supra).
• the composition according to the invention also contains a humectant as an active component.
• This active component contributes towards improving the sensory properties of the composition and serves to regulate the skin moisture level. In addition, it can contribute towards improving the penetration behavior of the composition on the wipes.
• the humectants are normally present in a quantity of 0.1 to 20% by weight, preferably 1 to 15% by weight and more particularly 5 to 10% by weight.
• suitable humectants are inter alia amino acids, pyrrolidone carboxylic acid, lactic acid and salts thereof, lactitol, urea and urea derivatives, uric acid, glucosamine, creatinine, cleavage products of collagen, chitosan or chitosan salts/derivatives and, in particular, polyols and polyol derivatives (for example glycerol, diglycerol, triglycerol, ethylene glycol, propylene glycol, butylene glycol, erythritol, 1,2,6-hexanetriol, polyethylene glycols, such as PEG-4, PEG-6, PEG-7, PEG-8, PEG-9, PEG-10, PEG-12, PEG-14, PEG-16, PEG-18, PEG-20), sugars and sugar derivatives (inter alia fructose, glucose, maltose, maltitol, mannitol), sugars and sugar derivatives (
• composition according to the invention additionally contains at least one emulsifier.
• Small quantities of water-soluble substances, active components, water and humectants may be incorporated through the addition of w/o and o/w emulsifiers.
• Nonionic emulsifiers are preferred for the purposes of the invention.
• Nonionic emulsifiers are distinguished by their dermatological compatibility and mildness and by their ecotoxicologically favorable properties.
• Compositions with an improved sensory profile are obtained by using a combination of nonionic w/o and o/w emulsifiers.
• the compositions according to the invention contain the emulsifier(s) in a quantity of 0 to 20% by weight, preferably 0.1 to 10% by weight and more particularly 0.1 to 10% by weight, based on the total weight of the composition.
• the group of nonionic emulsifiers includes, for example,
• polyol esters and, in particular, polyglycerol esters such as, for example, polyol poly-12-hydroxystearates, polyglycerol polyricinoleate, polyglycerol diisostearate or polyglycerol dimerate. Mixtures of compounds from several of these classes are also suitable;
• partial esters based on linear, branched, unsaturated or saturated C 6-22 fatty acids, ricinoleic acid and 12-hydroxystearic acid and polyglycerol, pentaerythritol, dipentaerythritol, sugar alcohols (for example sorbitol), alkyl glucosides (for example methyl glucoside, butyl glucoside, lauryl glucoside) and polyglucosides (for example cellulose) or mixed esters, such as glyceryl stearate citrate and glyceryl stearate lactate for example;
• the addition products of ethylene oxide and/or propylene oxide onto fatty alcohols, fatty acids, alkylphenols, glycerol monoesters and diesters and sorbitan monoesters and diesters of fatty acids or onto castor oil are known commercially available products. They are homolog mixtures of which the average degree of alkoxylation corresponds to the ratio between the quantities of ethylene oxide and/or propylene oxide and substrate with which the addition reaction is carried out. These emulsifiers are w/o or o/w emulsifiers, depending on the degree of ethoxylation. C 12/18 fatty acid monoesters and diesters of addition products of ethylene oxide onto glycerol are known as lipid layer enhancers for cosmetic preparations.
• particularly suitable and mild emulsifiers are the polyol poly-12-hydroxystearates and mixtures thereof marketed by Cognis Deutschland GmbH under the name of “Dehymuls® PGPH” (w/o emulsifier) or “Eumulgin® VL 75” (mixture with Coco Glucosides in a ratio by weight of 1:1, o/w emulsifier) or “Dehymuls® SBL” (w/o emulsifier), cf. in particular EP 0 766 661 B1.
• the polyol component of these emulsifiers may be derived from substances which contain at least two, preferably 3 to 12 and more particularly 3 to 8 hydroxyl groups and 2 to 12 carbon atoms.
• suitable lipophilic w/o emulsifiers are emulsifiers with an HLB value of 1 to 8 which are listed in numerous Tables and are well-known to the expert. Some of these emulsifiers are listed, for example, in Kirk-Othmer, “Encyclopedia of Chemical Technology”, 3rd Edition, 1979, Vol. 8, page 913.
• partial esters of polyols are partial esters of polyols, more particularly C 4-6 polyols, such as for example partial esters of pentaerythritol or sugar esters, for example sucrose distearate, sorbitan monoisostearate, sorbitan sesquiisostearate, sorbitan diisostearate, sorbitan triisostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan dioleate, sorbitan trioleate, sorbitan monoerucate, sorbitan sesquierucate, sorbitan dierucate, sorbitan trierucate, sorbitan monoricinoleate, sorbitan sesquiricinoleate, sorbitan diricinoleate, sorbitan triricinoleate, sorbitan monohydroxystearate, sorbitan sesquihydroxystearate, sorbitan dihydroxy
• emulsifiers from the group of nonionic o/w emulsifiers (HLB value: 8-18) and/or solubilizers.
• HLB value 8-18
• solubilizers are the ethylene oxide adducts mentioned at the beginning with a correspondingly high degree of ethoxylation, for example 10-20 ethylene oxide units for o/w emulsifiers and 20-40 ethylene oxide units for so-called solubilizers.
• Particularly advantageous o/w emulsifiers for the purposes of the invention are Ceteareth-12 and PEG-20 Stearate.
• solubilizers are Eumulgin® HRE 40 (INCI name: PEG-40 Hydrogenated Castor oil), Eumulgin® HRE 60 (INCI name: PEG-60 Hydrogenated Castor Oil), Eumulgin® L (INCI name: PPG-1-PEG-9 Laurylglycolether) and Eumulgin® SML 20 (INCI name: Polysorbat-20).
• Nonionic emulsifiers from the group of alkyl oligoglycosides are particularly compatible with the skin and are therefore particularly suitable as o/w emulsifiers.
• C 8-22 alkyl mono- and oligoglycosides their production and their use are known from the prior art. They are produced in particular by reacting glucose or oligosaccharides with primary alcohols containing 8 to 22 carbon atoms. So far as the glycoside component is concerned, both monoglycosides where a cyclic sugar unit is attached to the fatty alcohol by a glycoside bond and oligomeric glycosides with a degree of oligomerization of preferably up to about 8 are suitable.
• the degree of oligomerization is a statistical mean value on which a homolog distribution typical of such technical products is based.
• Products available under the name of Plantacare® contain a C 8-16 alkyl group attached by a glucosidic bond to an oligoglucoside unit with an average degree of oligomerization of 1 to 2.
• the acyl glucamides derived from glucamine are also suitable nonionic emulsifiers.
• the mixture of Lauryl Glucoside, Polyglyceryl-2-Dipolyhydroxystearate, glycerol and water which is marketed as Eumulgin® VL 75 may also be used with advantage in accordance with the invention.
• composition according to the invention contains
• compositions may additionally contain zwitterionic, amphoteric, cationic and anionic surfactants according to the application envisaged for the wipes and tissues.
• Zwitterionic surfactants are surface-active compounds which contain at least one quaternary ammonium group and at least one —COO ( ⁇ ) or —SO 3 ( ⁇ ) group in the molecule.
• Particularly suitable zwitterionic surfactants are the so-called betaines, such as the N-alkyl-N,N-dimethyl ammonium glycinates, for example cocoalkyl dimethyl ammonium glycinate, N-acylaminopropyl-N,N-dimethyl ammonium glycinates, for example cocoacylaminopropyl dimethyl ammonium glycinate, and 2-alkyl-3-carboxymethyl-3-hydroxyethyl imidazolines containing 8 to 18 carbon atoms in the alkyl or acyl group and cocoacylaminoethyl hydroxyethyl carboxymethyl glycinate.
• the fatty acid amide derivative known under the INCI name of Cocamidopropyl Betaine is a
• Ampholytic surfactants are also suitable, particularly as co-surfactants.
• Ampholytic surfactants are surface-active compounds which, in addition to a C 8/18 alkyl or acyl group, contain at least one free amino group and at least one —COOH or —SO 3 H group in the molecule and which are capable of forming inner salts.
• ampholytic surfactants are N-alkyl glycines, N-alkyl propionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N-alkylamidopropyl glycines, N-alkyl taurines, N-alkyl sarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids containing around 8 to 18 carbon atoms in the alkyl group.
• Particularly preferred ampholytic surfactants are N-cocoalkylaminopropionate, cocoacylaminoethyl aminopropionate and C 12/18 acyl sarcosine.
• Anionic surfactants are characterized by a water-solubilizing anionic group, such as for example a carboxylate, sulfate, sulfonate or phosphate group, and a lipophilic residue. Dermatologically compatible anionic surfactants are known to the expert in large numbers from relevant manuals and are commercially available.
• alkyl sulfates in the form of their alkali metal, ammonium or alkanolammonium salts
• alkyl ether sulfates in the form of their alkali metal, ammonium or alkanolammonium salts
• alkyl ether sulfates in the form of their alkali metal, ammonium or alkanolammonium salts
• alkyl ether carboxylates alkyl isethionates
• acyl sarcosinates acyl taurines with linear C 12-18 alkyl or acyl groups
• sulfosuccinates and acyl glutamates in the form of their alkali metal or ammonium salts.
• Particularly suitable cationic surfactants are quaternary ammonium compounds, preferably ammonium halides, more especially chlorides and bromides, such as alkyl trimethyl ammonium chlorides, dialkyl dimethyl ammonium chlorides and trialkyl methyl ammonium chlorides, for example cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, lauryl dimethyl ammonium chloride, lauryl dimethyl benzyl ammonium chloride and tricetyl methyl ammonium chloride.
• the readily biodegradable quaternary ester compounds such as for example the dialkyl ammonium methosulfates and methyl hydroxyalkyl dialkoyloxyalkyl ammonium methosulfates marketed under the name of Stepantex® and the corresponding products of the Dehyquart® series, may be used as cationic surfactants.
• “Esterquats” are generally understood to be quaternized fatty acid triethanolamine ester salts. They can provide the compositions according to the invention with particular softness. They are known substances which are prepared by the relevant methods of organic chemistry.
• Other cationic surfactants suitable for use in accordance with the invention are the quaternized protein hydrolyzates.
• compositions according to the invention may contain a number of other auxiliaries and additives depending on their intended application, including for example superfatting agents, thickeners, polymers, waxes, biogenic agents, deodorants, film formers, UV protection factors, antioxidants, hydrotropes, preservatives, insect repellents, self-tanning agents, solubilizers, perfume oils, dyes and the like.
• auxiliaries and additives including for example superfatting agents, thickeners, polymers, waxes, biogenic agents, deodorants, film formers, UV protection factors, antioxidants, hydrotropes, preservatives, insect repellents, self-tanning agents, solubilizers, perfume oils, dyes and the like.
• Superfatting agents may be selected from such substances as, for example, lanolin and lecithin and also polyethoxylated or acylated lanolin and lecithin derivatives, polyol fatty acid esters, monoglycerides and fatty acid alkanolamides.
• Suitable thickeners are, for example, Aerosil types (hydrophilic silicas), polysaccharides, more especially xanthan gum, guar-guar, agar-agar, alginates and tyloses, carboxymethyl cellulose and hydroxyethyl cellulose, also relatively high molecular weight polyethylene glycol mono-esters and diesters of fatty acids, polyacrylates (for example Carbopols® [Goodrich] or Synthalens® [Sigma]), polyacrylamides, polyvinyl alcohol and polyvinyl pyrrolidone, surfactants such as, for example, ethoxylated fatty acid glycerides, esters of fatty acids with polyols, for example pentaerythritol or trimethylol propane, narrow-range fatty alcohol ethoxylates or alkyl oligoglucosides and electrolytes, such as sodium chloride and ammonium chloride.
• Aerosil types hydrophilic silicas
• compositions according to the invention additionally contains at least one powder.
• This powder is present in the compositions according to the invention in a quantity of typically 0.5 to 10% by weight, preferably 1 to 8% by weight and more particularly 1 to 5% by weight, based on the composition as a whole.
• Powders in the context of the invention are generally understood to be an accumulation of solid particles with a particle size below 100 nm which is used as a medicinal or cosmetic preparation for local application to healthy or diseased skin (source: CD Römpp Chemie Lexikon—Version 1.0, Stuttgart/N.Y.: Georg Thieme Verlag 1995).
• Powders are divided according to their consistency into flowable powders, loose powders (scattering powders), compacted powders (compacts), powder creams and powders in aerosol form. All these forms may be incorporated in the preparations according to the invention.
• the main constituent of the powders may be fine, single or mixed, absorbent, opaque, nontoxic materials which adhere to the skin, such as silicon dioxide, precipitated chalk, magnesium carbonate, kaolin, talcum, zinc oxide, titanium dioxide, strontium carbonate and sulfate, calcium sulfate, bismuth salts, stearates of Mg, Zn, Ti, Ca and Al, also rice, corn and wheat starch, lycopodium, iris root and ground silk. Aluminium Starch Octenylsuccinate (Dry Flo® PC), talcum, baby powder and silica gel are particularly preferred for the purposes of the invention.
• Suitable cationic polymers are, for example, cationic cellulose derivatives such as, for example, the quaternized hydroxyethyl cellulose obtainable from Amerchol under the name of Polymer JR 400®, cationic starch, copolymers of diallyl ammonium salts and acrylamides, quaternized vinyl pyrrolidone/vinyl imidazole polymers such as, for example, Luviquat® (BASF), condensation products of polyglycols and amines, quaternized collagen polypeptides such as, for example, Lauryldimonium Hydroxypropyl Hydrolyzed Collagen (Lamequat® L/Grünau), quaternized wheat polypeptides, polyethyleneimine, cationic silicone polymers such as, for example, amodimethicone, copolymers of adipic acid and dimethylamino-hydroxypropyl diethylenetriamine (Cartaretine®/Sandoz), copolymers of
• Suitable anionic, zwitterionic, amphoteric and nonionic polymers are, for example, vinyl acetate/crotonic acid copolymers, vinyl pyrrolidone/vinyl acrylate copolymers, vinyl acetate/butyl maleate/isobornyl acrylate copolymers, methyl vinylether/maleic anhydride copolymers and esters thereof, uncrosslinked and polyol-crosslinked polyacrylic acids, acrylamidopropyl trimethylammonium chloride/acrylate copolymers, octylacrylamide/methyl methacrylate/tert.-butylaminoethyl methacrylate/2-hydroxypropyl methacrylate copolymers, polyvinyl pyrrolidone, vinyl pyrrolidone/vinyl acetate copolymers, vinyl pyrrolidone/dimethylaminoethyl methacrylate/vinyl caprolactam terpoly
• deodorizers and antiperspirants are additionally incorporated in the compositions according to the invention.
• Suitable deodorizers are, for example, antiperspirants, such as aluminium chlorhydrates, aluminium/zirconium chlorhydrates and zinc salts. These antiperspirants probably act by partially blocking the sweat glands through the precipitation of proteins and/or polysaccharides.
• antiperspirants probably act by partially blocking the sweat glands through the precipitation of proteins and/or polysaccharides.
• chlorhydrates aluminium hydroxylactates and acidic aluminium/zirconium salts may also be used.
• an aluminium chlorhydrate which corresponds to the formula [Al 2 (OH) 5 Cl.]2.5H 2 O and which is particularly preferred for the purposes of the invention is commercially available under the name of Locron® from Clariant GmbH.
• the aluminium/zirconium tetrachlorohydrex/glycine complexes marketed, for example, by Reheis under the name of Rezal® 36G are also preferably used in accordance with the invention.
• esterase inhibitors preferably trialkyl citrates, such as trimethyl citrate, tripropyl citrate, triisopropyl citrate, tributyl citrate and, in particular, triethyl citrate (Hydagen® C.A.T., Cognis Deutschland GmbH).
• Esterase inhibitors inhibit enzyme activity and thus reduce odor formation. The free acid is probably released through the cleavage of the citric acid ester, reducing the pH value of the skin to such an extent that the enzymes are inhibited.
• esterase inhibitors are sterol sulfates or phosphates such as, for example, lanosterol, cholesterol, campesterol, stigmasterol and sitosterol sulfate or phosphate, dicarboxylic acids and esters thereof, for example glutaric acid, glutaric acid monoethyl ester, glutaric acid diethyl ester, adipic acid, adipic acid monoethyl ester, adipic acid diethyl ester, malonic acid and malonic acid diethyl ester, hydroxycarboxylic acids and esters thereof, for example citric acid, malic acid, tartaric acid or tartaric acid diethyl ester.
• dicarboxylic acids and esters thereof for example glutaric acid, glutaric acid monoethyl ester, glutaric acid diethyl ester, adipic acid, adipic acid monoethyl ester, adipic acid diethyl ester, malonic acid
• Antibacterial agents which influence the germ flora and destroy or inhibit the growth of perspiration-decomposing bacteria may also be present in the emulsions.
• antibacterial agents are chitosan, phenoxyethanol and chlorhexidine gluconate.
• 5-Chloro-2-(2,4-dichloro-phenoxy)-phenol which is marketed under the name of Irgasan® by Ciba-Geigy of Basel, Switzerland, has also proved to be particularly effective.
• UV protection factors are additionally incorporated.
• UV protection factors in the context of the invention are, for example, organic substances (light filters) which are liquid or crystalline at room temperature and which are capable of absorbing ultraviolet radiation and of releasing the energy absorbed in the form of longer-wave radiation, for example heat.
• UV-B filters can be oil-soluble or water-soluble. The following are examples of oil-soluble substances:
• 4-aminobenzoic acid derivatives preferably 4-(dimethylamino)-benzoic acid-2-ethylhexyl ester, 4-(dimethylamino)-benzoic acid-2-octyl ester and 4-(dimethylamino)-benzoic acid amyl ester;
• esters of cinnamic acid preferably 4-methoxycinnamic acid-2-ethylhexyl ester, 4-methoxycinnamic acid propyl ester, 4-methoxycinnamic acid isoamyl ester, 2-cyano-3,3-phenylcinnamic acid-2-ethylhexyl ester (Octocrylene);
• esters of salicylic acid preferably salicylic acid-2-ethylhexyl ester, salicylic acid-4-isopropylbenzyl ester, salicylic acid homomenthyl ester;
• esters of benzalmalonic acid preferably 4-methoxybenzalmalonic acid di-2-ethylhexyl ester
• triazine derivatives such as, for example, 2,4,6-trianilino-(p-carbo-2′-ethyl-1′-hexyloxy)-1,3,5-triazine and Octyl Triazone;
• propane-1,3-diones such as, for example, 1-(4-tert.butylphenyl)-3-(4′-methoxyphenyl)-propane-1,3-dione;
• ketotricyclo(5.2.1.0)decane derivatives [0109] ketotricyclo(5.2.1.0)decane derivatives.
• Suitable water-soluble UV filters are
• sulfonic acid derivatives of benzophenones preferably 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid and salts thereof;
• sulfonic acid derivatives of 3-benzylidene camphor such as, for example, 4-(2-oxo-3-bornylidenemethyl)-benzene sulfonic acid and 2-methyl-5-(2-oxo-3-bornylidene)-sulfonic acid and salts thereof.
• Typical UV-A filters are, in particular, derivatives of benzoyl methane such as, for example, 1-(4′-tert.butylphenyl)-3-(4′-methoxyphenyl)-propane-1,3-dione, 4-tert.butyl-4′-methoxydibenzoyl methane (Parsol 1789) or 1-phenyl-3-(4′-isopropylphenyl)-propane-1,3-dione.
• the UV-A and UV-B filters may of course also be used in the form of mixtures.
• insoluble light-blocking pigments i.e.
• finely dispersed metal oxides or salts may also be used for this purpose.
• suitable metal oxides are, in particular, zinc oxide and titanium dioxide and also oxides of iron, zirconium oxide, silicon, manganese, aluminium and cerium and mixtures thereof.
• Silicates (talcum), barium sulfate and zinc stearate may be used as salts.
• the oxides and salts are used in the form of the pigments for skin-care and skin-protecting emulsions and decorative cosmetics.
• the particles should have a mean diameter of less than 100 nm, preferably between 5 and 50 nm and more preferably between 15 and 30 nm.
• the pigments may be spherical in shape although ellipsoidal particles or other non-spherical particles may also be used.
• the pigments may also be surface-treated, i.e. hydrophilized or hydrophobicized.
• Typical examples are coated titanium dioxides, for example Titandioxid T 805 (Degussa) and Eusolex® T2000 (Merck).
• Suitable hydrophobic coating materials are, above all, silicones and, among these, especially trialkoxyoctylsilanes or simethicones.
• So-called micro- or nanopigments, for example micronized zinc oxide, are preferably used in sun protection products.
• Secondary sun protection factors of the antioxidant type interrupt the photochemical reaction chain which is initiated when UV rays penetrate into the skin.
• Typical examples are amino acids (for example glycine, histidine, tyrosine, tryptophane) and derivatives thereof, imidazoles (for example urocanic acid) and derivatives thereof, peptides, such as D,L-carnosine, D-carnosine, L-carnosine and derivatives thereof (for example anserine), carotinoids, carotenes (for example ⁇ -carotene, ⁇ -carotene, lycopene) and derivatives thereof, chlorogenic acid and derivatives thereof, liponic acid and derivatives thereof (for example dihydroliponic acid), aurothioglucose, propylthiouracil and other thiols (for example thioredoxine, glutathione, cysteine,
• amino acids for example glycine, histidine, tyrosine, tryptophane
• hydrotropes for example ethanol, isopropyl alcohol or polyols
• Suitable polyols preferably contain 2 to 15 carbon atoms and at least two hydroxyl groups.
• the polyols may contain other functional groups, more especially amino groups, or may be modified with nitrogen. Some of these compounds were mentioned above among the humectants. Typical examples are
• alkylene glycols such as, for example, ethylene glycol, diethylene glycol, propylene glycol, butylene glycol, hexylene glycol and polyethylene glycols with an average molecular weight of 100 to 1000 dalton;
• methylol compounds such as, in particular, trimethylol ethane, trimethylol propane, trimethylol butane, pentaerythritol and dipentaerythritol;
• lower alkyl glucosides particularly those containing 1 to 8 carbon atoms in the alkyl group, for example methyl and butyl glucoside;
• sugar alcohols containing 5 to 12 carbon atoms for example sorbitol or mannitol,
• sugars containing 5 to 12 carbon atoms for example glucose or sucrose
• aminosugars for example glucamine
• dialcoholamines such as diethaolamine or 2-aminopropane-1,3-diol.
• Suitable preservatives are, for example, phenoxyethanol, formaldehyde solution, parabens, pentanediol or sorbic acid and the other classes of compounds listed in Appendix 6, Parts A and B of the Kosmetikverowski (“Cosmetics Directive”).
• a suitable self-tanning agent is dihydroxyacetone.
• Suitable perfume oils are mixtures of natural and synthetic perfumes.
• Natural perfumes include the extracts of blossoms (lily, lavender, rose, jasmine, neroli, ylang-ylang), stems and leaves (geranium, patchouli, petitgrain), fruits (anise, coriander, caraway, juniper), fruit peel (bergamot, lemon, orange), roots (nutmeg, angelica, celery, cardamon, costus, iris, calmus), woods (pinewood, sandalwood, guaiac wood, cedarwood, rosewood), herbs and grasses (tarragon, lemon grass, sage, thyme), needles and branches (spruce, fir, pine, dwarf pine), resins and balsams (galbanum, elemi, benzoin, myrrh, olibanum, opoponax).
• Typical synthetic perfume compounds are products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type.
• perfume compounds of the ester type are benzyl acetate, phenoxyethyl isobutyrate, p-tert.butyl cyclohexylacetate, linalyl acetate, dimethyl benzyl carbinyl acetate, phenyl ethyl acetate, linalyl benzoate, benzyl formate, ethylmethyl phenyl glycinate, allyl cyclohexyl propionate, styrallyl propionate and benzyl salicylate.
• Ethers include, for example, benzyl ethyl ether while aldehydes include, for example, the linear alkanals containing 8 to 18 carbon atoms, citral, citronellal, citronellyloxyacetaldehyde, cyclamen aldehyde, hydroxycitronellal, lilial and bourgeonal.
• suitable ketones are the ionones, ⁇ -isomethylionone and methyl cedryl ketone.
• Suitable alcohols are anethol, citronellol, eugenol, isoeugenol, geraniol, linalool, phenylethyl alcohol and terpineol.
• the hydrocarbons mainly include the terpenes and balsams. However, it is preferred to use mixtures of different perfume compounds which, together, produce an agreeable fragrance.
• Other suitable perfume oils are essential oils of relatively low volatility which are mostly used as aroma components. Examples are sage oil, camomile oil, clove oil, melissa oil, mint oil, cinnamon leaf oil, lime-blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil, labolanum oil and lavendin oil.
• bergamot oil dihydromyrcenol, lilial, lyral, citronellol, phenylethyl alcohol, ⁇ -hexylcinnamaldehyde, geraniol, benzyl acetone, cyclamen aldehyde, linalool, Boisambrene Forte, Ambroxan, indole, hedione, sandelice, citrus oil, mandarin oil, orange oil, allylamyl glycolate, cyclovertal, lavendin oil, clary oil, ⁇ -damascone, geranium oil bourbon, cyclohexyl salicylate, Vertofix Coeur, Iso-E-Super, Fixolide NP, evemyl, iraldein gamma, phenylacetic acid, geranyl acetate, benzyl acetate,
• Suitable dyes are any of the substances suitable and approved for cosmetic purposes.
• the dyes may be oil-soluble or water-soluble and are normally used in concentrations of 0.001 to 0.1% by weight, based on the mixture as a whole.
• the compositions according to the invention contain at least one oil-soluble dye.
• the addition of the dye has the advantage that the stability of the composition applied to the wipes is easy to visualize. For example, in cases where the wipes are aftertreated with aqueous/surfactant-containing solutions, it is thus possible to see whether the wax and water phases gradually become mixed in the event of prolonged storage.
• Suitable oil-soluble dyes are, for example, C.I. 47000, C.I. 67565, C.I. 26100, C.I. 60725, C.I. 12150, C.I. 75810, C.I. 75300.
• composition according to the invention was stability-tested and its sensory properties were evaluated in a volunteer test.
• Commercially available wipes (substrate) weighing 60 g/m 2 were coated with compositions 1 to 19 according to the invention and with comparison preparations C1 and C2 in quantities of 0.3 g per gram substrate 195 g/m 2 .
• the wipes coated with the compositions according to the invention are superior to known compositions in regard to sensory properties and storage stability.
• the storage stability of the wipes was evaluated after 12 weeks' storage after the compositions had been applied to the wipes together with a dye (phase 1) and the wipes had been aftertreated with an aqueous/surfactant-containing solution (phase 2). Any mixing of the phases is easy to see from the dye.
• the penetration values as measured with a penetrometer are 0.54 mm-2.43 mm. TABLE 3 Composition/ evaluation 20 21 22 23 24 25 Lanette ® 14 55 24.988 19.76 24.988 19.9 19.9 Novata ® B 25 20 25 20 20 Lanette ® 16 Lanette ® O Lanette ® 18 25 15 20 15 20 20 Eumulgin ® B1 2 2 Cutina ® MD 5 10 5 10 10 Monomuls ® 15 10 15 10 8 90-L 12 Cithrol ® 10 MS 13.976 Hexadecane-1,2-diol 2 Distearyl carbonate Distearyl ether 5 10 5 10 10 Vitamin E 3 5 10 Primaspheres ® Tocopherol 1 Dipropylene glycol 2 Vitamin A 5 8 8 Primaspheres ® Dry Flo ® PC 5 Dye DC Green 0.015 0.015 0.009 0.012 Dye DC Violett 0.009 0.015 0.00
• INCI Cetearyl Glucoside, Cetearyl Alcohol
• INCI Lauryl Glucoside, Polyglyceryl-2 Dipolyhydroxystearate, Glycerin, Aqua (Water); ca. 75% active substance in water

Landscapes

• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Veterinary Medicine (AREA)
• Public Health (AREA)
• Animal Behavior & Ethology (AREA)
• Birds (AREA)
• Epidemiology (AREA)
• Emergency Medicine (AREA)
• Dermatology (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Cosmetics (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Related Child Applications (1)

Publications (1)

Family

ID=7691224

Family Applications (2)

Family Applications After (1)

Country Status (7)

Cited By (24)

Families Citing this family (20)

Citations (8)

Family Cites Families (19)

• 2001
  • 2001-07-13 DE DE10133399A patent/DE10133399A1/de not_active Withdrawn
• 2002
  • 2002-07-12 JP JP2003511789A patent/JP2004536116A/ja active Pending
  • 2002-07-12 AU AU2002328343A patent/AU2002328343A1/en not_active Abandoned
  • 2002-07-12 ES ES02762352T patent/ES2262831T3/es not_active Expired - Lifetime
  • 2002-07-12 EP EP02762352A patent/EP1406587B1/de not_active Expired - Lifetime
  • 2002-07-12 WO PCT/EP2002/007787 patent/WO2003005981A2/de active IP Right Grant
  • 2002-07-12 DE DE50206671T patent/DE50206671D1/de not_active Expired - Lifetime
  • 2002-07-12 EP EP06003669A patent/EP1695686A1/de not_active Ceased
  • 2002-07-12 US US10/483,534 patent/US20040234561A1/en not_active Abandoned
• 2008
  • 2008-03-19 US US12/051,229 patent/US8716336B2/en not_active Expired - Fee Related

Patent Citations (8)

Also Published As

Similar Documents

Legal Events