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WO2002036074A2 - Matieres pigmentaires a cristaux liquides - Google Patents

Matieres pigmentaires a cristaux liquides Download PDF

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Publication number
WO2002036074A2
WO2002036074A2 PCT/US2001/046296 US0146296W WO0236074A2 WO 2002036074 A2 WO2002036074 A2 WO 2002036074A2 US 0146296 W US0146296 W US 0146296W WO 0236074 A2 WO0236074 A2 WO 0236074A2
Authority
WO
WIPO (PCT)
Prior art keywords
pigment
composition
liquid crystals
cosmetic product
coloring agent
Prior art date
Application number
PCT/US2001/046296
Other languages
English (en)
Other versions
WO2002036074B1 (fr
WO2002036074A3 (fr
Inventor
Dan Bosmann
Original Assignee
Presperse Incorporated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Presperse Incorporated filed Critical Presperse Incorporated
Priority to AU2720402A priority Critical patent/AU2720402A/xx
Publication of WO2002036074A2 publication Critical patent/WO2002036074A2/fr
Publication of WO2002036074A3 publication Critical patent/WO2002036074A3/fr
Publication of WO2002036074B1 publication Critical patent/WO2002036074B1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • 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
    • A61K8/0295—Liquid crystals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/24—Phosphorous; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • 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
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
    • 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
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • 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
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/436—Interference pigments, e.g. Iridescent, Pearlescent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
    • A61Q1/06—Lipsticks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/02—Nail coatings

Definitions

  • This invention relates to a novel composition of pigmented materials for use in cosmetics products, such as makeup for applying to the skin, of the face or the body, or other cosmetic treatments for the nails, eyelashes, eyebrows or hair, and lips, for example, nail enamel or polish, lipstick, mascara, eye shadow and the like, to provide moisture and enhanced visual effects.
  • cosmetics products such as makeup for applying to the skin, of the face or the body, or other cosmetic treatments for the nails, eyelashes, eyebrows or hair, and lips, for example, nail enamel or polish, lipstick, mascara, eye shadow and the like, to provide moisture and enhanced visual effects.
  • CLC Cholesteric Liquid Crystal
  • U.S. Patent No. 5,843,407 teaches lipstick compositions which comprise wax, emollient and a gelling agent wherein the inclusion of the gelling agent facilitates the retention of emollient oils particularly under high humidity and temperatures.
  • the disclosed lipsticks contain moisturizers which may be delivered to the lips in a non-polar/lipophilic medium in a thermodynamically stable way by using associated structures.
  • a method of making the lipstick is also disclosed.
  • Liquid crystal structures referenced as "association structures" are used in the lipsticks.
  • the lipstick compositions are designed to deliver emollients to the lips while avoiding oil from collecting on the outer surface of said lipstick, particularly when said stick is subjected to high humidity.
  • U.S. Patent No. 5,847,791 discloses a reflective color liquid crystal comprising a guest-host liquid crystal display, a color filter and a reflector.
  • the reflector is a simple mirror-like reflection surface.
  • the color filter is manufactured with a pigment dispersion method. The particle size of the pigment is reduced to provide strong light forward scattering and weak light back scattering.
  • the color filter provides light colors for the display as well as light scattering to increase the viewing angle for the display.
  • T. L. Smith et al U.S. Patent No. 5,932,309 discloses the physics of colored materials and of the respective optical effects attributable to plate-like interference colorants and particle scattering colorants. Methods and compositions for achieving material coloration using particle scattering are disclosed. According to Smith, these coloration effects can be designed to be either highly stable or dependent upon the switching effects of either temperature, integrated thermal exposure, moisture absorption, or exposure to actinic radiation. Articles employing materials with these coloration effects are described. Compositions comprising a solid, light-transmitting matrix component having a non- liquid particle scattering colorant dispersed therein.
  • Articles are produced wherein another solid second matrix component has an electronic transition colorant dispersed therein and the first and second compositions are disposed on one another and optionally interpenetrate each other.
  • Colored articles are produced in the form of fibers, films and molded articles.
  • Ukita et al, U.S. Patent No. 5,940,154 discloses the introduction of pigments into liquid crystals, specifically in an active matrix display.
  • the references to individual molecules suggest Ukita may have contemplated soluble dyes rather than insoluble pigment particles.
  • the above-mentioned reflection type liquid crystal display makes it possible to provide improved light diffusion and reflection functions without special techniques.
  • Ukita claims that it is possible to reduce the number of photolithography steps for fabricating an active matrix type substrate, for lower fabrication costs and a higher fabrication yield.
  • the present invention comprises a composition of coloring agent and liquid ciystal material which are mixed prior to being introduced to a product.
  • the colored liquid crystals may also be further combined with the same or different coloring agent.
  • the introduction of the present invention to a product alters the color and/or radiance that the product will subsequently convey.
  • Cosmetic products are so well-suited as vehicles for the present invention that cosmetic products will be utilized as illustrative examples of some of the many possible applications of the present invention.
  • the present invention may be added to enhance, contrast or combine with the existing color of the vehicle.
  • the present invention may also be used to provide color and radiance to a transparent vehicle.
  • the present invention can increase the usefulness and versatility of existing products.
  • the present invention inspires creativity and artistry by allowing its user to create original preparations as they see fit.
  • the present invention teaches adding a visual-enhancing composition, comprising a coloring agent mixed directly with liquid crystals, to a vehicle such as a cosmetic product, to obtain unique decorative, functional and aesthetic effects, namely dramatic color play and/or a high level of iridescence.
  • a visual-enhancing composition comprising a coloring agent mixed directly with liquid crystals
  • the present invention is to be combined with cosmetic products, either during manufacture or by the consumer after purchase. Therefore, to accommodate such needs, the present invention may be sold in small quantities for retail or in bulk for manufacture.
  • the coloring agents can be lakes, inorganic or organic pigments and/or pearlescent pigments or alternatively colorants. Pigments which are stable and do not generate much free radicals are preferred.
  • the present invention may comprise other visually-enhancing materials, or particularly in the case of cosmetics, nutrients for improving appearance.
  • Polymer colored articles of the present technology can also contain fillers, processing aids, antistats, antioxidants, antiozonants, stabilizers, lubricants, mold release agents, antifoggers, plasticizers, and other additives standard in the art. Unless such additives additionally serve desired purposes as particle scattering colorants or electronic transition colorants, such additives should preferably either dissolve uniformly in the polymer that contains the particle scattering colorant or such additives should have a degree of transparency and a refractive index similar to the matrix polymer.
  • Dispersing agents such as surfactants are especially useful in the present invention for dispersing the particle scattering colorant particles.
  • Surfactants or emulsifiers are divided into nonionic (no charge), anionic (negative charge), cationic (position charge) and amphoteric (both charges) based on whether or not they ionize in aqueous media.
  • Surfactants are derived from natural oils and fats and crude oils.
  • surfactant refers to mixtures of surfactants as well as a single organic compound.
  • Many suitable dispersing agents and other polymer additives are well known in the art.
  • Coupling agents that improve the coupling between particle scattering particles and host matrix are especially important additives for vanishing. For cases where either a glass or a ceramic is the particle scattering colorant, and the host matrix is an organic polymer, preferred coupling agents are various silanes that are commercially available and designed to improve bonding in composites that involve both inorganic and organic phases.
  • the relative amounts of pigment and liquid crystal are dependant on the intended color and/or amount of radiance desired.
  • the mixing of the pigment and liquid crystals renders a color to the liquid crystals, thus making it possible to make a visual impact with the colored crystals, without adding or changing the color of the vehicle.
  • using relatively small amounts of pigment is preferred.
  • Larger amounts of pigment are preferred when enhanced color play is desired.
  • the amounts range from 0.001 to 20% of the total.
  • flavor or fragrance oils such as peppermint oil, orange oil, citrus oil, or wintergreen oil can be used along with an alcohol or glycerine.
  • Flavor oils are usually mixed in a solvent such as ethanol to dilute the flavor.
  • the flavor oils useful herein can be derived form natural sources or be synthetically prepared. Generally, flavor oils are mixtures of ketones, alcohols, fatty acids, esters and terpenes.
  • flavor oil is generally recognized in the art to be a liquid which is derived from botanical sources, i.e. leaves, bark, or skin of fruits or vegetables, and which are usually insoluble in water.
  • Liquid crystals that are esters of cholesterol are preferred, particularly when the present invention is used with an aqueous vehicle. Additionally, these cholesteric liquid crystals (CLCs) are useful for skin repair, as they are taken up with the skin and may be used as carriers for various nutrients. CLCs also possess properties of both isotropic liquids and crystalline solids, which in effect, exhibit dramatic visual color play and a high level of iridescence. CLC mixtures in accordance with the present invention can be used to provide unique decorative, functional and aesthetic effects.
  • the present invention contemplates an embodiment that creates it's own dark background by grinding a small amount of pigment into the CLC, thus vastly increasing the visual impact without the use of a dark background and without imparting color to the skin.
  • the amounts would be 0.001 to 50 wt% , preferably as little as .05 wt% and as great as .5 wt%.
  • An alternative embodiment of the present invention comprises pigmented liquid crystals, formulated through mixing of pigment material and liquid crystals, and further combining another pigment material.
  • the effect of adding the embodiment just described to a vehicle can be to change the vehicle's color to a first color, while also adding liquid crystals of a second color. Also, further colors may combined during the formation to achieve desirable shades or color mixes. Pigment sizes generally range from 0.001-3 ug.
  • composition may further comprise an emollient component to aid application and adhesion, yield gloss and most importantly provide occlusive moisturization.
  • Skin care active ingredients in both water soluble and water insoluble forms include fat soluble vitamins such as vitamin A and E, sun screens and pharmaceutically active ingredients. These skin care active ingredients include zinc oxide, chamomile oil, gingko biloba extract; pyroglutamic acid, salts or esters; sodium hyaluronate; 2-hydroxyoctanoic acid; sulfur; salicyclic acid; carboxymethyl cysteine, and mixtures thereof.
  • Other skin conditioning agents including emollients, humectants, occlusives, and other miscellaneous ingredients which condition the skin including oils.
  • Said emollient component typically comprises from about 5% to about 90%>, preferably from about 25% to about 90%, and most preferably from about 70%) to about 90%> oils.
  • Oils are those materials which are organic substances that are liquid at ambient temperature. They are esters, triglycerides, hydrocarbons and silicones. These can be a single material or a mixture of one or more materials. The oils act as emollients and also impart desirable skin feel characteristics and viscosity.
  • Suitable oils include caprylic triglycerides; capric triglycerides; isostearic triglycerides; adipic triglycerides; propylene glycol myristyl acetate; lanolin; lanolin oil; polybutene; isopropyl palmitate; isopropyl myristate; isopropyl isostearate; diethyl sebacate; diisopropyl adipate; tocopheryl acetate; tocopheryl linoleate; hexadecyl stearate; ethyl lactate; cetyl oleate; cetyl ricinoleate; oleyl alcohol; hexadecyl alcohol; octyl hydroxystearate; octyl dodecanol; wheat germ oil; hydrogenated vegetable oils; petralatum; modified lanolins; branched-chain hydrocarbons; alcohols and esters;
  • Excess polar and nonpolar ' 5 solvents used to forming surfactant association structures can be used as emollients, particularly the polar solvents such as glycerine.
  • Other preferred polar solvent emollients include pyrrolidone carboxylic acid, sodium lactate or lactic acid, urea collagen, .alpha.-hydroxy propylglyceryl ether .alpha.-hydroxy acids (e.g., ethylglycolic acid, leucic acid, mandelic acid, glycollic acid), glucosamines, and elastin fibers, D-panthenol, alklantoin and hyaluronic acid and chondroitin sulfate. Please note that 0 some of these can be delivered with the association structures by dissolving into the polar liquid.
  • the present invention affords a great deal of possible arrangements of color and/or radiance. Some examples of the many possible formulations and uses of the present invention are illustrated below.
  • the liquid crystal/pigment blend is milled by three roll mill or other high shear equipment until the pigment is fine enough to read less than seven on a Hegman gauge, which corresponds to a measure of particulate size that should not be detectable by touch.
  • the particle size of the pigment must be fine 5 enough so that the dark background needed to achieve the iridescent effect is not visible to the naked eye.
  • a small amount of D&C Red No. 28 Aluminum Lake is added to a red liquid ciystal (formed through the 0 combination of Cholesteryl Oleylcarbonate, Cholesteryl Nonanoate and Cholesteryl Chloride).
  • the resultant liquid ciystal is pink in color with a preliminary red reflection for use as a blush or a light foundation.
  • a purple liquid crystal with a predominantly blue reflection is formed with the following materials.
  • the purple base may be used to counteract a yellowish tint to the skin.
  • Example 3 A red liquid ciystal with a predominantly green reflection can be formed in the following manner.

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

Abstract

L'invention concerne une composition cosmétique comprenant une matière pigmentaire et une matière à cristaux liquides, le pigment étant mélangé directement avec les cristaux liquides avant la préparation avec d'autres ingrédients cosmétiques, d'où l'obtention d'un nouvel effet visuel.
PCT/US2001/046296 2000-11-01 2001-10-26 Matieres pigmentaires a cristaux liquides WO2002036074A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2720402A AU2720402A (en) 2000-11-01 2001-10-26 Pigmented liquid crystal materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70416200A 2000-11-01 2000-11-01
US09/704,162 2000-11-01

Publications (3)

Publication Number Publication Date
WO2002036074A2 true WO2002036074A2 (fr) 2002-05-10
WO2002036074A3 WO2002036074A3 (fr) 2002-07-04
WO2002036074B1 WO2002036074B1 (fr) 2003-02-20

Family

ID=24828342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/046296 WO2002036074A2 (fr) 2000-11-01 2001-10-26 Matieres pigmentaires a cristaux liquides

Country Status (2)

Country Link
AU (1) AU2720402A (fr)
WO (1) WO2002036074A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932981A1 (fr) * 2008-06-26 2010-01-01 Oreal Ensemble cosmetique comprenant des cristaux liquides
FR2935898A1 (fr) * 2008-09-15 2010-03-19 Oreal Procede de traitement cosmetique a partir d'au moins deux compositions comportant des polymeres a cristaux liquides
WO2015080319A1 (fr) * 2013-11-28 2015-06-04 주식회사 진영바이오 Cristal liquide à base de dérivé de cholestérol, et capsules à cristaux liquides le comprenant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301023A (en) * 1980-06-23 1981-11-17 American Thermometer Co., Inc. Cholesteric compositions
JPH02178209A (ja) * 1988-11-09 1990-07-11 Pacific Chem Ind Co コレステリルエステル液晶を含む化粧料組成物及びその製造方法
US5260052A (en) * 1989-10-24 1993-11-09 Eastman Kodak Company Process for treating pigments
US5320835A (en) * 1989-10-25 1994-06-14 Avon Products, Inc. Cosmetic formulation having a palette of color shades renewable by mechanical action
DE4240743A1 (de) * 1992-12-03 1994-06-09 Consortium Elektrochem Ind Pigmente mit vom Betrachtungswinkel abhängiger Farbigkeit, ihre Herstellung und Verwendung
ES2155097T3 (es) * 1993-10-18 2001-05-01 Procter & Gamble Barras de labios no exudantes.
FR2750599B1 (fr) * 1996-07-02 1998-12-31 Oreal Nouvelles compositions cosmetiques comprenant des agents de coloration cristaux liquides et leur utilisation
DE19629761A1 (de) * 1996-07-23 1997-06-05 Wacker Chemie Gmbh Zubereitungen mit vom Betrachtungswinkel abhängiger Farbigkeit
JP3043638B2 (ja) * 1996-11-05 2000-05-22 日本電気株式会社 反射型液晶表示装置およびその製造方法
DE19817069A1 (de) * 1998-04-17 1999-10-21 Clariant Gmbh Infrarotstrahlung reflektierende Farbmittel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932981A1 (fr) * 2008-06-26 2010-01-01 Oreal Ensemble cosmetique comprenant des cristaux liquides
FR2935898A1 (fr) * 2008-09-15 2010-03-19 Oreal Procede de traitement cosmetique a partir d'au moins deux compositions comportant des polymeres a cristaux liquides
WO2015080319A1 (fr) * 2013-11-28 2015-06-04 주식회사 진영바이오 Cristal liquide à base de dérivé de cholestérol, et capsules à cristaux liquides le comprenant

Also Published As

Publication number Publication date
WO2002036074B1 (fr) 2003-02-20
WO2002036074A3 (fr) 2002-07-04
AU2720402A (en) 2002-05-15

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