US3729569A - Cosmetic composition containing microencapsulated solvents for nail enamel - Google Patents

Cosmetic composition containing microencapsulated solvents for nail enamel Download PDF

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Publication number
US3729569A
US3729569A US00264871A US3729569DA US3729569A US 3729569 A US3729569 A US 3729569A US 00264871 A US00264871 A US 00264871A US 3729569D A US3729569D A US 3729569DA US 3729569 A US3729569 A US 3729569A
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Prior art keywords
solvent
microcapsules
perfume
enamel
cosmetic composition
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US00264871A
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G Kalopissis
R Charle
C Zviak
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LOreal SA
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LOreal SA
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D9/00—Chemical paint or ink removers
    • 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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11—Encapsulated compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/04—Nail coating removers
    • 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
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only

Definitions

  • a cosmetic composition for removing nail enamel comprises micro-encapsulated solvent nail polish remover with a perfume to mask the solvent odor, either as aqueous drops adapted to be applied with cotton wad or cloth, or as an aqueous paste adapted to be stored in a jar or in a aflexible tube, and to be applied with a spatula.
  • the present invention relates to a solvent cosmetic composition for nail enamel, characterized in that the solvent activity of the solvent cannot be brought into effect until mechanical pressure has been exerted on the composition at the moment of its application.
  • Solvents or solvent compositions for nail polish are well known.
  • these solvent compositions have numerous disadvantages in use because they are generally liquid and have an unpleasant odor.
  • these compositions are stored in bottles and because of their solvent property, the obtaining of a complete seal which is necessary for such bottles presents obvious difficulties that are further increased by the fact that an applicator brush must generally be provided.
  • the use of these solvents is most often effected with a great excess of the product because of the difficulty of application with a brush, the excess being bothersome because of the disagreeable odor of the utilized compounds.
  • the use of an excess of solvent brings the solvent into contact with the skin around the nails, on which it has a drying effect.
  • the solvent mixture evaporates rather rapidly from the bottles which are difficult for the user to close tightly.
  • the present invention is intended to obviate the above mentioned disadvantages, particularly those resulting from storage, the disagreeable odor of the solvent, its use in excessive quantities that are difficult to control, and its gradual evaporation from the container.
  • the present invention relates to a new solvent composition for nail enamel, containing all the usual active elements of a nail enamel solvent, but whose solvent action cannot occur until sufficient mechanical pressure has been exerted at the moment of application of the said composition.
  • the present invention likewise relates to the process of releasing the solvent agent at the moment of its application.
  • the invention also refers to certain forms of storage for the said cosmetic solvent composition that are especially advantageous.
  • the invention is also concerned with the preparation of the above mentioned cosmetic compositions.
  • solvent cosmetic compositions without the above indicated drawbacks, in that the solvent agents contained in the vehicle of these compositions can be physically separated from the rest of the components by the well-known technique of microencapsulation which consists in surrounding the solvent agents, divided into small liquid particles, by a suitable envelope.
  • microencapsulation itself is not part of the present invention since the microencapsulation of the solvents is effected separately and the microcapsules are then introduced into a suitable cosmetic vehicle.
  • all the other ingredients of the above mentioned cosmetic preparations can also be microencapsulated, including perfumes which mask the disagreeable odor of the solvent.
  • perfumes may be contained in separate microcapsules or in the microcapsules that contain the solvents.
  • the new solvent cosmetic compositions are constituted by a vehicle which may be in one of a variety of forms such as a liquid, a thickened liquid, a cream, an emulsion, a powder or a pencil, containing all the conventional ingredients of the said solvent compositions as well as possible thickneners, provided, however, that solvent particles distributed in these compositions have the characteristic that they are surrounded by an envelope that cannot be destroyed by contact with the vehicle of the solvent composition. These envelopes can, however, be torn by a sufficient mechanical pressure in spreading.
  • microcapsules here designated by C, incorporated in the cosmetic composition contain substantially solvent agents such as ethyl acetate, isopropyl acetate, butyl acetate, amyl acetate, butyl propionate, ehtyl lactate, butyl stearate, associated or not with oils or with high boiling point compounds e.g., ethylene glycol monoethylether, diethylene glycol monoethylether, 'y-valerolactone, castor oil, olive oil, etc.
  • substantially solvent agents such as ethyl acetate, isopropyl acetate, butyl acetate, amyl acetate, butyl propionate, ehtyl lactate, butyl stearate, associated or not with oils or with high boiling point compounds e.g., ethylene glycol monoethylether, diethylene glycol monoethylether, 'y-valerolactone, castor oil, olive oil,
  • microcapsules are prepared by conventional processes, but according to the invention they are characterized by the nature of their envelope, their dimensions and their thickness or by the ratio R between the weight of the envelope and the total weight of the microcapsule.
  • the compounds which form the said envelopes, here designed by E, can particularly be any one of the following: polystyrene/maleic acid polyethylene and polyethylene/ethyl cellulose mixtures polyurethanes polyesters gelatin natural waxes such as carnauba wax, beeswax, candelillawax, Japan wax paraffin wax polyamide formaldehyde urea acetal homopolymers and copolymers casein epoxy resins polypropylene cellulose acetophthalate Microcapsules are used whose dimensions vary from 10 to 600 microns, although by preference microcapsules of 20 to 250 microns are used.
  • the thickness of the envelopes is also variable according to their mechanical strength, the ratio R usually being from 1 to 10 percent and preferably 3 to 6 percent by weight.
  • the resistance of the microcapsules to mechanical pressure must always be sufficient so that, depending upon the kind of storage, the microcapsules will not be torn before they have been spread on the nail from which the film of enamel is to be removed.
  • two solvents or solvent compositions which have a different solvent strength, contained respectively in microcapsules C surrounded by envelopes E and C surrounded by envelopes E
  • the capsules here designated C contain a first solvent agent which has a moderate solvent action and capsules C contain a second solvent whose solvent properties are definitely stronger, the said second solvent agent having a delayed action with reference to that of the first.
  • the delayed action mechanism is obtained for example by the fact that for envelopes E E of the same kind and capsules of the same dimensions, envelopes E are thicker than envelopes E
  • other mechanisms may also be employed, e.g., incorporation in capsules C of an agent that is inert with reference to envelopes E but which destroy envelopes E
  • Microcapsules C may additionally contain a perfume whose release indicates that they have been opened.
  • the microencapsulation of the solvents or solvent compositions is effected according to any known microencapsulation process, care being taken however to select the type of membrane from the compounds mentioned above.
  • the cosmetic compositions themselves are prepared from conventional ingredients with capsules prepared in the first stage. Operation must always be such as to avoid rupture of the microcapsules.
  • the microcapsules can be introduced into the cosmetic vehicle at any moment of its preparation.
  • a preferred method of the present invention resides in preparation first of one or more premixtures being determined in appropriate fashion depending upon the nature of the composition and of the microcapsules to be introduced.
  • the vehicle density of the composition is preferably adjusted to the density of the microcapsules that are utilized by introduction of an excess of one of the ingredients or of a suitable substance.
  • the solvents and solvent compositions of the invention may be in the form of a cream, an emulsion, a powder, a pencil and also of a flexible support of some kind such as a paper napkin of blotter type, fabric or a porous synthetic material, containing microcapsules.
  • the pencil channel ends in a small spatual with a triangular tip whose plane is perpendicular or inclined with reference to the axis of the above mentioned channel, said spatula serving to spread the cosmetic composition on the nail from which the coating of nail polish that covers it is to be removed, the pencil then being stoppered by a small movable cap after use.
  • the solvent composition of the invention is thus utilized exactly in the desired amounts, it does not present the disagreeable odor of the old compositions because of the microencapsulation, or else this odor is very much attenuated.
  • the presence of a perfume either in the vehicle of the cosmetic composition or in the capsules containing the solvent agent makes it possible in all cases if desired to obtain an agreeable perfumed product.
  • microcapsules can be used which are coated inside by thin envelopes here designated E.
  • the said thin envelopes are inert with respect to the agent or to the solvent mixture and/or coated on the outside by thin envelopes here designated E, which envelopes are inert with respect to the vehicle .of the solvent cosmetic composition.
  • These envelopes associated with the above mentioned envelopes of the microcapsules make it possible to make use in the preparation thereof of compounds which may not have the desired mechanical properties or other properties necessarily, which permits more ready production of the microcapsules of the invention.
  • Envelopes E and E are prepared moreover with polymers and colloids that have already been mentioned.
  • a cosmetic composition is prepared which is constituted by a dispersion of microcapsules in an aqueous phase, optionally in the presence of thickeners, to obtain dropwise application.
  • the composition comprises an aqueous phase:
  • the capsules contain the solvent agent and a perfume, in the form of the following mixture:
  • the aqueous phase is constituted by:
  • Capsules C contain the following solvent mixture:
  • the envelope pf the capsules C is constituted by natural wax, their dimension being from 150 to 250 microns.
  • Capsules C contain the following solvent mixture:
  • the envelope of the capsules C is constituted by a styrene polymer/maleic acid, completely hydrolyzed, the dimension being from 50 to 100 microns.
  • Capsules C, and C are incorporated inequal quantities in the previously prepared paste and the whole is then stored in a jar or in a flexible tube with a spatula applicator.
  • a solvent cosmetic composition is prepared in the form of a pencil constituted in the following way:
  • a cosmetic vehicle which contains:
  • the capsules contain the solvent agent in the form of the following mixture:
  • ethyl acetate 40 acteone 30 amyl acetate 7 ethylene glycol monoethylether l0 castor oil 141% perfume 0.2
  • Microcapsules containing the following mixture as solvent agent are prepared:
  • the compounds forming the envelopes of the microcapsules are of natural wax, an acrylic resin, casein, hardened gelatin, or polyethylene/ethylcellulose.
  • Dimension of the capsules is between 50 and 250 microns.
  • microcapsules are projected onto a fabric or paper support preliminarily treated in conventional fashion to allow adherence. Fabrics or papers are thus obtained that are solvents for the lacquer on the nails. It is then sufficient to rub the support thus prepared 10- cally on the nail to burst the capsules adhering to the said support and thus to release the solvent contained therein.
  • a cosmetic composition for removing nail enamel comprising an aqueous solution adapted to be applied with cotton wad or cloth dropwise to the nail and containing a multiplicity of rupturable microcapsules, said microcapsules encapsulating (l) a solvent for said enamel, which otherwise has a disagreeable odor and evaporates excessively on storage, and (2) a perfume effective to mask the otherwise disagreeable odor of said solvent, said microcapsules being ruptured by mechanical pressure after application of said composition to said nail thereby releasing said solvent for action on said enamel and releasing said perfume to mask the otherwise disagreeable odor of said solvent, the density of said microcapsules being substantially equal to the density of said aqueous solution to provide uniform distribution of said microcapsules in said composition, said walls of said microcapsules being inert to said solvent and said perfume and being formed of a material selected from the group consisting of polystyrene/maleic acid, polyethylene, polyethylene/ethyl cellulose mixture, polyurethane, polyester, gelatin,
  • a cosmetic composition for removing nail enamel comprising an aqueous phase adapted to be applied locally with cotton wad or cloth to the nail and containing a multiplicity of rupturable microcapsules, a portion of said microcapsules encapsulating a first solvent for said enamel, which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a moderate solvent action on said enamel, the remainder of said microcapsules encapsulting l a second solvent for said enamel which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a solvent action on said enamel greater than said first solvent and (2) a perfume effective to mask the otherwise disagreeable odor of said solvents, said portion of microcapsules containing said first solvent being readily ruptured by mechanical pressure so that the solvent action of said first solvent cannot occur until sufficient mechanical pressure has been exerted at the moment of application of said composition, said remainder of microcapsules containing said second solvent and perfume being ruptured by mechanical pressure greater than that necessary to rupture said portion of microcapsules containing said first solvent
  • the cosmetic composition of claim 2 which includes a thickening agent in amounts such that said aqueous phase has the consistency of paste said paste adapted to be stored in ajar or in a flexible tube, and to be applied with a spatula applicator.

Abstract

A cosmetic composition for removing nail enamel comprises microencapsulated solvent nail polish remover with a perfume to mask the solvent odor, either as aqueous drops adapted to be applied with cotton wad or cloth, or as an aqueous paste adapted to be stored in a jar or in a aflexible tube, and to be applied with a spatula.

Description

Ilie States atent [1 1 Charle et al.
COSMETIC COMPOSITION CONTAINING MICROENCAPSULATED SOLVENTS FOR NAIL ENAMEL Inventors: Roger Charle, Soisy-sous-Montmorency; Charles Zviak, Franconville; Gregoire Kalopissis, Paris, all
of France I Assignee: Societe Anonyme dite: LOreal,
Paris, France Filed: June 21, 1972 Feb. 4, 1969 Luxembourg ..57904 US. Cl. ..424/14, 15/104.93, 132/887,
252/316, 252/364, 252/522, 424/61 Int. Cl. .A6lk 7/04 Field of Search ..424/61; 252/364 [4 1 Apr. 24, 1973 [56] References Cited UNITED STATES PATENTS 3,686,701 8/1972 Charle et a1. l 5/104.93 3,196,478 7/1965 Baymiller ..401/132 2,980,941 4/1961 Miller l 5/104.93 3,334,374 8/1967 Watkins ..401/196 3,334,790 8/1967 Eaton ..222/107 3,441,353 4/1969 Clapp ..401/132 3,472,675 10/1969 Gordon et a1. 17/36.) 3,516,846 6/1970 Matson l ..117/36.2 3,464,413 9/1969 Goldfarb et a1. ...l28/268 3,150,048 9/1964 Hollub et a1 ..424/61 2,765,257 10/ 1 956 Blackburn ..424/61 Primary ExaminerShep K. Rose Att0rney--Cushman, Darby & Cushman ABSTRACT A cosmetic composition for removing nail enamel comprises micro-encapsulated solvent nail polish remover with a perfume to mask the solvent odor, either as aqueous drops adapted to be applied with cotton wad or cloth, or as an aqueous paste adapted to be stored in a jar or in a aflexible tube, and to be applied with a spatula.
3 Claims, No Drawings COSMETIC COMPOSITION CONTAINING MICROENCAPSULATED SOLVENTS FOR NAIL ENAMEL This application is a division of application Ser. No. 8,720 filed Feb.4,1970,now US. Pat. No.3,686,701 dated Aug.29, l 972.
The present invention relates to a solvent cosmetic composition for nail enamel, characterized in that the solvent activity of the solvent cannot be brought into effect until mechanical pressure has been exerted on the composition at the moment of its application.
Solvents or solvent compositions for nail polish are well known. However, these solvent compositions have numerous disadvantages in use because they are generally liquid and have an unpleasant odor. Additionally, these compositions are stored in bottles and because of their solvent property, the obtaining of a complete seal which is necessary for such bottles presents obvious difficulties that are further increased by the fact that an applicator brush must generally be provided. It should also be noted that the use of these solvents is most often effected with a great excess of the product because of the difficulty of application with a brush, the excess being bothersome because of the disagreeable odor of the utilized compounds. Moreover, the use of an excess of solvent brings the solvent into contact with the skin around the nails, on which it has a drying effect. Finally, the solvent mixture evaporates rather rapidly from the bottles which are difficult for the user to close tightly.
The present invention is intended to obviate the above mentioned disadvantages, particularly those resulting from storage, the disagreeable odor of the solvent, its use in excessive quantities that are difficult to control, and its gradual evaporation from the container.
The present invention relates to a new solvent composition for nail enamel, containing all the usual active elements of a nail enamel solvent, but whose solvent action cannot occur until sufficient mechanical pressure has been exerted at the moment of application of the said composition.
The present invention likewise relates to the process of releasing the solvent agent at the moment of its application.
The invention also refers to certain forms of storage for the said cosmetic solvent composition that are especially advantageous.
The invention is also concerned with the preparation of the above mentioned cosmetic compositions.
According to the invention, it has been found possible to prepare solvent cosmetic compositions without the above indicated drawbacks, in that the solvent agents contained in the vehicle of these compositions can be physically separated from the rest of the components by the well-known technique of microencapsulation which consists in surrounding the solvent agents, divided into small liquid particles, by a suitable envelope.
The process of microencapsulation itself is not part of the present invention since the microencapsulation of the solvents is effected separately and the microcapsules are then introduced into a suitable cosmetic vehicle. Of course, all the other ingredients of the above mentioned cosmetic preparations can also be microencapsulated, including perfumes which mask the disagreeable odor of the solvent. Such perfumes may be contained in separate microcapsules or in the microcapsules that contain the solvents.
According to the invention, the new solvent cosmetic compositions are constituted by a vehicle which may be in one of a variety of forms such as a liquid, a thickened liquid, a cream, an emulsion, a powder or a pencil, containing all the conventional ingredients of the said solvent compositions as well as possible thickneners, provided, however, that solvent particles distributed in these compositions have the characteristic that they are surrounded by an envelope that cannot be destroyed by contact with the vehicle of the solvent composition. These envelopes can, however, be torn by a sufficient mechanical pressure in spreading.
The microcapsules, here designated by C, incorporated in the cosmetic composition contain substantially solvent agents such as ethyl acetate, isopropyl acetate, butyl acetate, amyl acetate, butyl propionate, ehtyl lactate, butyl stearate, associated or not with oils or with high boiling point compounds e.g., ethylene glycol monoethylether, diethylene glycol monoethylether, 'y-valerolactone, castor oil, olive oil, etc.
The said microcapsules are prepared by conventional processes, but according to the invention they are characterized by the nature of their envelope, their dimensions and their thickness or by the ratio R between the weight of the envelope and the total weight of the microcapsule.
The compounds which form the said envelopes, here designed by E, can particularly be any one of the following: polystyrene/maleic acid polyethylene and polyethylene/ethyl cellulose mixtures polyurethanes polyesters gelatin natural waxes such as carnauba wax, beeswax, candelillawax, Japan wax paraffin wax polyamide formaldehyde urea acetal homopolymers and copolymers casein epoxy resins polypropylene cellulose acetophthalate Microcapsules are used whose dimensions vary from 10 to 600 microns, although by preference microcapsules of 20 to 250 microns are used. The thickness of the envelopes is also variable according to their mechanical strength, the ratio R usually being from 1 to 10 percent and preferably 3 to 6 percent by weight. However, the resistance of the microcapsules to mechanical pressure must always be sufficient so that, depending upon the kind of storage, the microcapsules will not be torn before they have been spread on the nail from which the film of enamel is to be removed.
According to a modification of the present invention, two solvents or solvent compositions are used which have a different solvent strength, contained respectively in microcapsules C surrounded by envelopes E and C surrounded by envelopes E The capsules here designated C contain a first solvent agent which has a moderate solvent action and capsules C contain a second solvent whose solvent properties are definitely stronger, the said second solvent agent having a delayed action with reference to that of the first. The delayed action mechanism is obtained for example by the fact that for envelopes E E of the same kind and capsules of the same dimensions, envelopes E are thicker than envelopes E However, other mechanisms may also be employed, e.g., incorporation in capsules C of an agent that is inert with reference to envelopes E but which destroy envelopes E Microcapsules C may additionally contain a perfume whose release indicates that they have been opened.
The preparation of the cosmetic compositions of the invention is effected as follows:
In a first stage, the microencapsulation of the solvents or solvent compositions is effected according to any known microencapsulation process, care being taken however to select the type of membrane from the compounds mentioned above.
In a second stage, the cosmetic compositions themselves are prepared from conventional ingredients with capsules prepared in the first stage. Operation must always be such as to avoid rupture of the microcapsules.
In a general way, the microcapsules can be introduced into the cosmetic vehicle at any moment of its preparation. However, a preferred method of the present invention resides in preparation first of one or more premixtures being determined in appropriate fashion depending upon the nature of the composition and of the microcapsules to be introduced.
To attain a good homogeneity and a good distribution of the microcapsules in the cosmetic composition of the invention, the vehicle density of the composition is preferably adjusted to the density of the microcapsules that are utilized by introduction of an excess of one of the ingredients or of a suitable substance. However, it is possible to operate in reverse, adjusting the density of the microcapsules which contain the solvent agents to the density of the vehicle of the composition. It is also possible to select the microcapsules and choose those whose density is appropriate, since this density varies as a function of the degree of filling of the said microcapsules and of ratio R defined above.
The solvents and solvent compositions of the invention may be in the form of a cream, an emulsion, a powder, a pencil and also of a flexible support of some kind such as a paper napkin of blotter type, fabric or a porous synthetic material, containing microcapsules.
In any case, presentation as a pencil is especially advantageous. In this case, the pencil channel ends in a small spatual with a triangular tip whose plane is perpendicular or inclined with reference to the axis of the above mentioned channel, said spatula serving to spread the cosmetic composition on the nail from which the coating of nail polish that covers it is to be removed, the pencil then being stoppered by a small movable cap after use. No matter what its form of packaging, the solvent composition of the invention is thus utilized exactly in the desired amounts, it does not present the disagreeable odor of the old compositions because of the microencapsulation, or else this odor is very much attenuated. Moreover, the presence of a perfume either in the vehicle of the cosmetic composition or in the capsules containing the solvent agent, makes it possible in all cases if desired to obtain an agreeable perfumed product.
According to a modification, microcapsules can be used which are coated inside by thin envelopes here designated E. The said thin envelopes are inert with respect to the agent or to the solvent mixture and/or coated on the outside by thin envelopes here designated E, which envelopes are inert with respect to the vehicle .of the solvent cosmetic composition. These envelopes associated with the above mentioned envelopes of the microcapsules make it possible to make use in the preparation thereof of compounds which may not have the desired mechanical properties or other properties necessarily, which permits more ready production of the microcapsules of the invention. Envelopes E and E are prepared moreover with polymers and colloids that have already been mentioned.
The following non-limiting examples in which the parts and percentages refer to weight, are again by way of illustration so as to permit a better understanding of the present invention.
EXAMPLE 1 Liquid Solvent A cosmetic composition is prepared which is constituted by a dispersion of microcapsules in an aqueous phase, optionally in the presence of thickeners, to obtain dropwise application. The composition comprises an aqueous phase:
carboxymethyl cellulose water The capsules contain the solvent agent and a perfume, in the form of the following mixture:
acetone 84.8 ethylene glycol monoethylether l0 butyl stearate 5 perfume 0.2
cloth to crush the capsules, relasing their solvent mixture.
EXAMPLE 2 Solvent Paste A solvent cosmetic composition constituted as a paste and containing two kinds of solvent capsules C and C is prepared. Aqueous phase:
The aqueous phase is constituted by:
ethyl cellulose 3 stearic acid IO 20% ammonia solution 4 water in sufficient quantity to obtain a paste of the desired consistency. Capsules:
Capsules C contain the following solvent mixture:
y valeroacetone 5O ethylene glycol monoethylether 15 ethanol 35 The envelope pf the capsules C is constituted by natural wax, their dimension being from 150 to 250 microns.
Capsules C contain the following solvent mixture:
ethyl acetate 50 acetone 49.8 perfume 0.2
The envelope of the capsules C is constituted by a styrene polymer/maleic acid, completely hydrolyzed, the dimension being from 50 to 100 microns.
Capsules C, and C are incorporated inequal quantities in the previously prepared paste and the whole is then stored in a jar or in a flexible tube with a spatula applicator.
Release of the solvents is effected as indicated in the preceding description.
EXAMPLE 3 A solvent cosmetic composition is prepared in the form of a pencil constituted in the following way:
A cosmetic vehicle is used which contains:
beeswax l ozocerite 24 carnauba wax 8 paraffin 8 lanolin it) All the above constituents are melted to prepare the pencil core whose hardness may be modified by appropriate addition of paraffin oil. a
The capsules contain the solvent agent in the form of the following mixture:
ethyl acetate 40 acteone 30 amyl acetate 7 ethylene glycol monoethylether l0 castor oil 141% perfume 0.2
EXAMPLE 4 Textile or paper for solvent microcapsules.
Microcapsules containing the following mixture as solvent agent are prepared:
ethyl acetate 60 diethylene glycol monoethylether 34.8 castor oil 5 perfume 0.2
The compounds forming the envelopes of the microcapsules are of natural wax, an acrylic resin, casein, hardened gelatin, or polyethylene/ethylcellulose.
Dimension of the capsules is between 50 and 250 microns.
The said microcapsules are projected onto a fabric or paper support preliminarily treated in conventional fashion to allow adherence. Fabrics or papers are thus obtained that are solvents for the lacquer on the nails. It is then sufficient to rub the support thus prepared 10- cally on the nail to burst the capsules adhering to the said support and thus to release the solvent contained therein.
The scope of the invention is defined in the following claims.
What is claimed is:
l. A cosmetic composition for removing nail enamel comprising an aqueous solution adapted to be applied with cotton wad or cloth dropwise to the nail and containing a multiplicity of rupturable microcapsules, said microcapsules encapsulating (l) a solvent for said enamel, which otherwise has a disagreeable odor and evaporates excessively on storage, and (2) a perfume effective to mask the otherwise disagreeable odor of said solvent, said microcapsules being ruptured by mechanical pressure after application of said composition to said nail thereby releasing said solvent for action on said enamel and releasing said perfume to mask the otherwise disagreeable odor of said solvent, the density of said microcapsules being substantially equal to the density of said aqueous solution to provide uniform distribution of said microcapsules in said composition, said walls of said microcapsules being inert to said solvent and said perfume and being formed of a material selected from the group consisting of polystyrene/maleic acid, polyethylene, polyethylene/ethyl cellulose mixture, polyurethane, polyester, gelatin, natural wax, paraffin wax, polyamide, urea formaldehyde, acetal homopolymers and copolymers, casein, epoxy resin, polypropylene and cellulose acetophthalate.
2. A cosmetic composition for removing nail enamel comprising an aqueous phase adapted to be applied locally with cotton wad or cloth to the nail and containing a multiplicity of rupturable microcapsules, a portion of said microcapsules encapsulating a first solvent for said enamel, which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a moderate solvent action on said enamel, the remainder of said microcapsules encapsulting l a second solvent for said enamel which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a solvent action on said enamel greater than said first solvent and (2) a perfume effective to mask the otherwise disagreeable odor of said solvents, said portion of microcapsules containing said first solvent being readily ruptured by mechanical pressure so that the solvent action of said first solvent cannot occur until sufficient mechanical pressure has been exerted at the moment of application of said composition, said remainder of microcapsules containing said second solvent and perfume being ruptured by mechanical pressure greater than that necessary to rupture said portion of microcapsules containing said first solvent so that the solvent action of said second solvent and the masking action of said perfume occurs after release of said first solvent whereby release of said perfume indicates that said remainder of said microcapsules has been ruptured, the density of said microcapsules being substantially equal to the density of said aqueous phase to provide uniform distribution of said microcapsules in said composition, said walls of said microcapsules being inert to said solvents, said perfume and said aqueous phase and being formed of a material selected from the group consisting of polystyrene/maleic acid, polyethylene, polyethylene/ethyl cellulose mixture, polyurethane, polyester, gelatin, natural wax, paraffin wax, polyamide, urea formaldehyde, acetal homopolymers and copolymers, casein, epoxy resin, polypropylene and cellulose acetophthalate.
3. The cosmetic composition of claim 2 which includes a thickening agent in amounts such that said aqueous phase has the consistency of paste said paste adapted to be stored in ajar or in a flexible tube, and to be applied with a spatula applicator.

Claims (2)

  1. 2. A cosmetic composition for removing nail enamel comprising an aqueous phase adapted to be applied locally with cotton wad or cloth to the nail and containing a multiplicity of rupturable microcapsules, a portion of said microcapsules encapsulating a first solvent for said enamel, which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a moderate solvent action on said enamel, the remainder of said microcapsules encapsulting (1) a second solvent for said enamel which otherwise has a disagreeable odor, evaporates excessively on storage and exhibits a solvent action on said enamel greater than said first solvent and (2) a perfume effective to mask the otherwise disagreeable odor of said solvents, said portion of microcapsules containing said first solvent being readily ruptured by mechanical pressure so that the solvent action of said first solvent cannot occur until sufficient mechanical pressure has been exerted at the moment of application of said composition, said remainder of microcapsules containing said second solvent and perfume being ruptured by mechanical pressure greater than that necessary to rupture said portion of microcapsules containing said first solvent so that the solvent action of said second solvent and the masking action of said perfume occurs after release of said first solvent whereby release of said perfume indicates that said remainder of said microcapsules has been ruptured, the density of said microcapsules being substantially equal to the density of said aqueous phase to provide uniform distribution of said microcapsules in said composition, said walls of said microcapsules being inert to said solvents, said perfume and said aqueous phase and being formed of a material selected from the group consisting of polystyrene/maleic acid, polyethylene, polyethylene/ethyl cellulose mixture, polyurethane, polyester, gelatin, natural wax, paraffin wax, polyamide, urea formaldehyde, Acetal homopolymers and copolymers, casein, epoxy resin, polypropylene and cellulose acetophthalate.
  2. 3. The cosmetic composition of claim 2 which includes a thickening agent in amounts such that said aqueous phase has the consistency of paste said paste adapted to be stored in a jar or in a flexible tube, and to be applied with a spatula applicator.
US00264871A 1969-02-04 1972-06-21 Cosmetic composition containing microencapsulated solvents for nail enamel Expired - Lifetime US3729569A (en)

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BE (1) BE745454A (en)
CA (1) CA945902A (en)
CH (1) CH514334A (en)
DE (1) DE2004877A1 (en)
FR (2) FR2033292B3 (en)
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US4032464A (en) * 1976-01-14 1977-06-28 Helena Rubinstein, Inc. Creamy nail lacquer remover
US4582492A (en) * 1985-02-19 1986-04-15 S. C. Johnson & Son, Inc. Method for behavior modification using olfactory stimuli
US4844885A (en) * 1987-04-08 1989-07-04 Production Previews Frangible capsules containing composition
US5093108A (en) * 1989-02-16 1992-03-03 Amalia, Inc. Quick-drying nail enamel compositions and method for coating a surface
US5139570A (en) * 1991-04-24 1992-08-18 Revlon, Inc. Nail stain remover
US5173288A (en) * 1990-05-15 1992-12-22 Chesebrough-Pond's Usa Co. Nail polish remover comprising acetone and hydrolyzed keratin
US5206011A (en) * 1989-02-16 1993-04-27 Amalia Inc. Quick-drying nail enamel compositions
US5342536A (en) * 1992-12-17 1994-08-30 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Nail polish remover with gelatin
US5922334A (en) * 1998-05-06 1999-07-13 Rohm And Haas Company Aqueous nail coating composition
US20040136935A1 (en) * 2000-08-16 2004-07-15 L'oreal S.A. Hair styling composition comprising encapsulated adhesives
US20060024255A1 (en) * 2004-07-30 2006-02-02 L'oréal Hair styling compositions comprising adhesive particles and non-adhesive particles
CN102166165A (en) * 2010-02-25 2011-08-31 林任猛 An environmental protection aqueous water for cleaning nails
US20140290683A1 (en) * 2011-03-25 2014-10-02 Katherine Rose Kovarik Nail Polish Remover Method and Device

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US3971852A (en) * 1973-06-12 1976-07-27 Polak's Frutal Works, Inc. Process of encapsulating an oil and product produced thereby
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US4897308A (en) * 1975-06-30 1990-01-30 L'oreal Compositions comprising aqueous dispersions of lipid spheres
US4151108A (en) * 1976-01-27 1979-04-24 Radiometer A/S Reference liquid for blood gas equipment
US4217344A (en) * 1976-06-23 1980-08-12 L'oreal Compositions containing aqueous dispersions of lipid spheres
US4333845A (en) * 1978-08-11 1982-06-08 Grow Group, Inc. Coating composition thinner for decreasing pollution resulting from the application of a coating composition
DE3050468A1 (en) * 1980-07-07 1982-08-26 Grow Group Inc A COMPOSITION AND METHOD FOR DECREASING POLLUTION RESULTING FROM THE APPLICATION OF A COATING COMPOSITION
FR2564318B1 (en) * 1984-05-15 1987-04-17 Oreal ANHYDROUS COMPOSITION FOR CLEANING THE SKIN
US4828542A (en) * 1986-08-29 1989-05-09 Twin Rivers Engineering Foam substrate and micropackaged active ingredient particle composite dispensing materials
US5098621A (en) * 1985-01-07 1992-03-24 Twin Rivers Engineering Method of forming a foam substrate and micropackaged active ingredient particle composite
US4764362A (en) * 1986-10-22 1988-08-16 The Cook Bates Company Nail-conditioning emery boards and process for making them
US4813976A (en) * 1986-10-22 1989-03-21 The Cook Bates Company Nail-conditioning emery boards and process for making them
US5039243A (en) * 1987-07-07 1991-08-13 Minnesota Mining And Manufacturing Company Fragrance releasing crayons
US5194262A (en) * 1990-10-22 1993-03-16 Revlon Consumer Products Corporation Encapsulated antiperspirant salts and deodorant/antiperspirants
US5135747A (en) * 1991-05-17 1992-08-04 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Deodorant/antiperspirant products with fragrance and encapsulated odor counteractant
WO1993018734A1 (en) * 1992-03-16 1993-09-30 Dotolo Enterprises, Inc. Nail polish remover composition
US5360580A (en) * 1992-04-08 1994-11-01 Dotolo Research Corporation Cleaning composition
US5346652A (en) * 1992-03-16 1994-09-13 Dotolo Research Corporation Nail polish remover composition
US5372742A (en) * 1993-01-22 1994-12-13 Dotolo Research Corporation Nail polish remover
WO1994017145A1 (en) * 1993-01-25 1994-08-04 Dotolo Research Corporation Graphic ink remover solution
US5344583A (en) * 1993-08-26 1994-09-06 Dotolo Research Corp. Composition for removing nail enamel from artificial nails
US6004417A (en) * 1995-12-08 1999-12-21 The Lamson & Sessions Co. Method for coupling conduits using microencapsulatable solvent adhesive composition
US5824724A (en) * 1995-12-08 1998-10-20 The Lamson & Sessions Co. Microencapsulatable solvent adhesive composition and method for coupling conduits
US5821293A (en) * 1995-12-08 1998-10-13 The Lamson & Sessions Co. Microencapsulatable solvent adhesive composition and method for coupling conduits
US7452547B2 (en) * 2004-03-31 2008-11-18 Johnson&Johnson Consumer Co., Inc. Product for treating the skin comprising a polyamine microcapsule wall and a skin lightening agent
FR2878437A1 (en) * 2004-11-30 2006-06-02 Oreal Cosmetic composition, useful for e.g. maintaining the hair setting for a long time, comprises a fixing polymer and/or a binding agent, capsules, which releases the active ingredients by at least a partial rupture of the envelope
US8066444B2 (en) * 2006-11-30 2011-11-29 Kimberly-Clark Worldwide, Inc. Disposable wipe with substance-filled blisters
DE102007012757A1 (en) * 2007-03-16 2008-09-18 Prometho Gmbh Film-forming composition, its preparation and application, its use for the direct removal of soiled and contaminated surfaces, which in particular have no preventive protective layers and application set containing this composition
WO2013179074A1 (en) * 2012-05-28 2013-12-05 ICC S.r.l. Cosmetic composition for the treatment of hands and/or feet
CN105963149A (en) * 2016-07-06 2016-09-28 上海应用技术学院 Cherry fruit flavored nail polish odor covering agent as well as preparation method and application thereof
CN105963150A (en) * 2016-07-06 2016-09-28 上海应用技术学院 Grape-fruity nail-enamel smell covering agent as well as preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032464A (en) * 1976-01-14 1977-06-28 Helena Rubinstein, Inc. Creamy nail lacquer remover
US4582492A (en) * 1985-02-19 1986-04-15 S. C. Johnson & Son, Inc. Method for behavior modification using olfactory stimuli
US4844885A (en) * 1987-04-08 1989-07-04 Production Previews Frangible capsules containing composition
US5093108A (en) * 1989-02-16 1992-03-03 Amalia, Inc. Quick-drying nail enamel compositions and method for coating a surface
US5206011A (en) * 1989-02-16 1993-04-27 Amalia Inc. Quick-drying nail enamel compositions
US5275807A (en) * 1989-02-16 1994-01-04 Amalia, Inc. Quick-drying nail enamel compositions and method for coating a surface
US5173288A (en) * 1990-05-15 1992-12-22 Chesebrough-Pond's Usa Co. Nail polish remover comprising acetone and hydrolyzed keratin
US5139570A (en) * 1991-04-24 1992-08-18 Revlon, Inc. Nail stain remover
US5342536A (en) * 1992-12-17 1994-08-30 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Nail polish remover with gelatin
US5922334A (en) * 1998-05-06 1999-07-13 Rohm And Haas Company Aqueous nail coating composition
US20040136935A1 (en) * 2000-08-16 2004-07-15 L'oreal S.A. Hair styling composition comprising encapsulated adhesives
US20060024255A1 (en) * 2004-07-30 2006-02-02 L'oréal Hair styling compositions comprising adhesive particles and non-adhesive particles
EP1627664A1 (en) 2004-07-30 2006-02-22 L'oreal Hair styling composition comprising adhesive particles and non-adhesive particles
CN102166165A (en) * 2010-02-25 2011-08-31 林任猛 An environmental protection aqueous water for cleaning nails
US20140290683A1 (en) * 2011-03-25 2014-10-02 Katherine Rose Kovarik Nail Polish Remover Method and Device
US8936030B2 (en) * 2011-03-25 2015-01-20 Katherine Rose Kovarik Nail polish remover method and device
US20150034115A1 (en) * 2011-03-25 2015-02-05 Katherine Rose Kovarik Nail Polish Remover Method and Device
US9010340B2 (en) * 2011-03-25 2015-04-21 Katherine Rose Kovarik Nail polish remover method and device
US10398209B2 (en) 2011-03-25 2019-09-03 Katherine Rose Kovarik Insect repellent layered strip
US11253042B2 (en) 2011-03-25 2022-02-22 Joseph E. Kovarik Insect repellent layered strip
US11812835B2 (en) 2011-03-25 2023-11-14 Seed Health, Inc. Wearable insect repellent device and method

Also Published As

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CA945902A (en) 1974-04-23
DE2004877A1 (en) 1970-08-06
US3686701A (en) 1972-08-29
FR2033292A7 (en) 1970-12-04
FR2168102A1 (en) 1973-08-24
FR2033292B3 (en) 1973-08-10
IT954112B (en) 1973-08-30
CH514334A (en) 1971-10-31
GB1272923A (en) 1972-05-03
BE745454A (en) 1970-08-04
LU57904A1 (en) 1970-08-04
FR2168102B1 (en) 1977-12-30

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