WO2011129289A2 - 水中油型乳化組成物 - Google Patents
水中油型乳化組成物 Download PDFInfo
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- WO2011129289A2 WO2011129289A2 PCT/JP2011/058977 JP2011058977W WO2011129289A2 WO 2011129289 A2 WO2011129289 A2 WO 2011129289A2 JP 2011058977 W JP2011058977 W JP 2011058977W WO 2011129289 A2 WO2011129289 A2 WO 2011129289A2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- 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
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A61K8/062—Oil-in-water emulsions
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- 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
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- 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
- A61K8/26—Aluminium; Compounds thereof
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- 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
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- 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
- A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
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- 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
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- 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
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/4966—Triazines or their condensed derivatives
Definitions
- the present invention relates to an oil-in-water emulsion composition, and more particularly to an oil-in-water emulsion composition having an oil-soluble ultraviolet absorber blended in an outer phase (water phase) and having a stable and high UV protection ability.
- Sunscreen cosmetics are intended to cut the UV rays in the sun and protect the skin from the harmful effects of UV rays.
- Examples of the base include emulsification type, lotion type, oil type, etc.
- the oil-in-water emulsification type has a fresh feeling of use and can be formulated from low SPF to high SPF products. Widely used (Non-Patent Document 1).
- ultraviolet absorbers blended in sunscreen cosmetics are oil-soluble and water-soluble, and absorb ultraviolet rays in the UVA region (wavelength 320 to 400 nm) and UVB region (wavelength 290 to 320 nm). In order to obtain a high protective ability, it is necessary to mix the UVB absorber and the UVA absorber in a balanced manner.
- Patent Document 1 describes that a poorly soluble ultraviolet absorber is encapsulated in spherical polymer particles made of styrene or the like to form a spherical powder, thereby improving oil solubility and enabling high blending in the oil phase.
- the ultraviolet absorber is blended in water-in-oil milk cosmetics or solid cosmetics, and is not blended in the water phase (outer phase) of the oil-in-water emulsion.
- an object of the present invention is to provide an oil-in-water emulsified composition containing an oil-soluble ultraviolet absorber having low solubility and having excellent stability.
- the present invention provides (a) an aqueous dispersion of an oil-soluble ultraviolet absorber, (b) one or more compounds selected from nonionic surfactants and fatty acid soaps, (c An oil-in-water emulsified composition comprising a water-swellable clay mineral and (d) a higher fatty acid.
- the component (a) is preferably an aqueous dispersion of composite particles of an oil-soluble ultraviolet absorber and an organic polymer.
- the oil-in-water emulsified composition of the present invention was able to improve the stability of the system by blending an ultraviolet absorber that is sparingly soluble in oil into the aqueous phase (outer phase). Further, there is an advantageous effect that the ultraviolet protection ability is improved as compared with the case where the same ultraviolet absorber is blended in the oil phase (inner phase). Therefore, the oil-in-water emulsified composition of the present invention is particularly suitable for use as a sunscreen cosmetic having a fresh feeling of use and excellent UV protection.
- the oil-in-water emulsion composition of the present invention is characterized by containing an aqueous dispersion (component a) of an oil-soluble ultraviolet absorber in an aqueous phase (outer phase).
- the oil-soluble UV absorber is not particularly limited, but is preferably selected from UV absorbers that are insoluble in water and hardly soluble in oil. However, substantially insoluble oils such as methylenebisbenzotriazole tetramethylbutylphenol are not included.
- Examples of the poorly soluble ultraviolet absorber include those described in Patent Document 1, and specific examples include benzophenone derivatives, triazine derivatives, and the like.
- triazine derivatives particularly 2,4-bis- ⁇ [4- (2-Ethylhexyloxy) -2-hydroxy] phenyl ⁇ -6- (4-methoxyphenyl)-(1,3,5) -triazine (hereinafter referred to as “bisethylhexyloxyphenol methoxyphenyl” Triazine ” is preferred.
- This bisethylhexyloxyphenol methoxyphenyl triazine is commercially available under the trade name of Tinosorb S from BASF, and the commercially available product can be used.
- the aqueous dispersion of the oil-soluble ultraviolet absorber in the present invention is particularly preferably an aqueous dispersion of composite particles of the oil-soluble ultraviolet absorber and the organic polymer.
- the oil-soluble ultraviolet absorber is prevented from eluting from the aqueous phase to the oil phase when the water phase containing the water dispersion and the oil coexist.
- An aqueous dispersion of composite particles of an oil-soluble ultraviolet absorber and an organic polymer can be prepared, for example, according to a method described in WO2009 / 007264.
- aqueous dispersion in which composite particles of an ultraviolet absorber and an organic polymer are dispersed by emulsion polymerization in a state where the mixture of the ultraviolet absorber and the organic monomer is dispersed in water.
- organic monomer monomers having an ethylenically unsaturated bond, for example, acrylic acid, methacrylic acid, alkyl acrylate, alkyl methacrylate, styrene monomer, nylon monomer and the like are preferably used.
- Tinosorb S Aqua includes composite particles of bisethylhexyloxyphenol methoxyphenyl triazine (Tinosorb S) and polymethyl methacrylate (PMMA) dispersed in water, and bisethylhexyloxyphenol methoxyphenyl triazine and PMMA.
- the content of is 20% by mass and 19% by mass, respectively.
- the blending amount of the oil-soluble UV absorber in the composition of the present invention is 5% by mass or less, preferably 3% by mass or less, more preferably 0.01 to 3% by mass as a dry mass. If the blending amount is less than 0.01% by mass, sufficient ultraviolet light absorption ability cannot be obtained, and if it exceeds 5% by mass, there is a tendency to cause problems in stickiness. For example, when converted as the amount of the aqueous dispersion (component a) containing 20% by mass of the ultraviolet absorber, the dispersion is 25% by mass or less, preferably 15% by mass or less, more preferably 0.05. It is blended at ⁇ 15% by mass.
- composition of the present invention contains one or more compounds (component b) selected from nonionic surfactants and fatty acid soaps.
- nonionic surfactant those having an HLB of 8 or more are preferable.
- those having an HLB of 8 or more are preferable.
- fatty acid soaps include potassium laurate, potassium myristate, potassium palmitate, potassium stearate, potassium alginate, potassium behenate, sodium laurate, sodium myristate, sodium palmitate, sodium stearate, sodium alginate.
- the compounding quantity of the 1 type (s) or 2 or more types of compound (component b) chosen from the nonionic surfactant and fatty acid soap in the composition of this invention is 10 mass% or less, Preferably it is 5 mass% or less, More preferably 0.01 to 3% by mass.
- the blending amount is less than 0.01% by mass, it is difficult to obtain a stable emulsion, and when it exceeds 10% by mass, the usability of stickiness tends to be deteriorated.
- the composition of the present invention further contains a water-swellable clay mineral (component c).
- the water-swellable clay mineral (component d) is a kind of colloid-containing aluminum silicate having a three-layer structure, and is generally represented by the following formula (1).
- X is Al, Fe (III), Mn (III), or Cr (III)
- Y is Mg, Fe (II), Ni, Zn, or Li.
- Z is K, Na or Ca.
- water-swellable clay minerals include smectite-type hectorite, bentonite, montmorillonite, piderite, nontronite, saponite, and the like, and these may be natural or synthetic products.
- examples of commercially available products include Kunipia (made by Kunimine Industries), Smecton (made by Kunimine Industries), Veagam (made by Vanderbilt), Laponite (made by Laporte), Fluorotetrasilicon Mica (made by Topy Industries), and the like.
- the blending amount of the water-swellable clay mineral (component c) is 4% by mass or less, preferably 2% by mass or less, more preferably 0.01 to 1% by mass.
- the blending amount is less than 0.01% by mass, the stability is deteriorated, and when the blending amount exceeds 4% by mass, the stretch tends to be deteriorated.
- the composition of the present invention further contains a higher fatty acid (component d).
- the higher fatty acid is not particularly limited.
- the blending amount of the higher fatty acid (component d) is 10% by mass or less, preferably 0.1 to 5% by mass, more preferably 0.5 to 2% by mass.
- the blending amount is less than 0.1% by mass, the stability is deteriorated, and when it exceeds 10% by mass, the stretch tends to be heavy.
- composition of the present invention can be further improved in stability by blending a water-soluble polymer.
- water-soluble polymers include plant polymers, microbial polymers, and synthetic / semi-synthetic polymers.
- plant polymers include xanthan gum, gum arabic, tragacanth gum, galactan, guar gum,
- microbial polymers such as carob gum, karaya gum, carrageenan, pectin, agar, quince seed (malmello), algae colloid (cuckoo extract), starch (rice, corn, potato, wheat), glycyrrhizic acid, and the like include, for example, dextran, succino Examples include glucan and bull run.
- Semi-synthetic water-soluble polymers include, for example, starch polymers (eg, carboxymethyl starch, methylhydroxypropyl starch, etc.); cellulose polymers (methylcellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate) Hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder and the like); alginic acid polymers (for example, sodium alginate, propylene glycol alginate, etc.) and the like.
- starch polymers eg, carboxymethyl starch, methylhydroxypropyl starch, etc.
- cellulose polymers methylcellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate Hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder and the like
- alginic acid polymers for example, sodium
- Examples of the synthetic water-soluble polymer include vinyl polymers (for example, carboxyvinyl polymer (carbomer), polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, etc.); polyoxyethylene polymers (for example, polyethylene glycol 20, 000, 40,000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.); acrylic polymers (eg, polyacrylic acid, polyethyl acrylate, polyacrylamide, etc.); polyethyleneimine; cationic polymers, etc. It is done.
- vinyl polymers for example, carboxyvinyl polymer (carbomer), polyvinyl alcohol, polyvinyl methyl ether, polyvinyl pyrrolidone, etc.
- polyoxyethylene polymers for example, polyethylene glycol 20, 000, 40,000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.
- acrylic polymers eg, polyacrylic acid, polyethyl acrylate, polyacrylamide,
- the blending amount of these water-soluble polymers is 3% by mass or less, preferably 0.5% by mass or less, more preferably 0.01 to 0.3% by mass.
- the blending amount is less than 0.01% by mass, the stability is deteriorated, and when it exceeds 3% by mass, the usability of stickiness tends to be deteriorated.
- Oils other than the higher fatty acids that can constitute the oil-in-water emulsion composition of the present invention are not particularly limited.
- liquid oils include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, and mink.
- Examples include rice bran oil, cinnagiri oil, Japanese kiri oil, jojoba oil, germ oil, triglycerin and the like.
- solid fat examples include cacao butter, palm oil, horse fat, hydrogenated palm oil, palm oil, beef tallow, sheep fat, hydrogenated beef tallow, palm kernel oil, pork fat, beef bone fat, owl kernel oil, hydrogenated oil, cattle Leg fats, moles, hydrogenated castor oil and the like.
- waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ibota wax, whale wax, montan wax, nuka wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugar cane wax, lanolin fatty acid isopropyl, hexyl laurate, and reduced lanolin.
- hydrocarbon oil examples include liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
- higher alcohols examples include linear alcohols (eg, lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol); branched chain alcohols (eg, monostearyl glycerin ether (batyl alcohol) ), 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyl decanol, isostearyl alcohol, octyldodecanol, etc.).
- linear alcohols eg, lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol
- branched chain alcohols eg, monostearyl glycerin ether (batyl alcohol)
- 2-decyltetradecinol lanolin alcohol
- cholesterol phytosterol
- hexyl decanol isosteary
- Synthetic ester oils include isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyloctanoate, cetyl lactate, myristyl lactate Lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate, apple Acid diisostearyl, di-2-heptylundecanoic acid glycerin, tri-2-ethylhexanoic acid
- silicone oil examples include linear polysiloxanes (for example, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.); cyclic polysiloxanes (for example, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexyl).
- silicone resins that form a three-dimensional network structure various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.) It is done.
- polar oils having an IOB of 0.05 or more may be blended, but the blending amount of these polar oils is 50% by mass or less, preferably 30% by mass or less, more preferably. Is preferably 15% by mass or less. If it exceeds 50% by mass, stickiness may be caused.
- Examples of polar oils having an IOB of 0.05 or more include 2-ethylhexyl paramethoxycinnamate, 2-ethylhexyl 2-cyano-3,3-diphenylacrylate, tripropylene glycol dipivalate, cetyl octanoate, tri-2 -Trimethylolpropane ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, glyceryl tri-2-ethylhexanoate, diethylhexyl naphthalene dicarboxylate, alkyl benzoate (12 to 15 carbon atoms), tri (capryl / capric acid) Examples include glycerin, di (capryl / capric acid) propylene glycol, and di-2-ethylhexyl succinate.
- composition of the present invention may further contain other ultraviolet absorbers in addition to the oil-soluble ultraviolet absorber aqueous dispersion (component a) blended in the aqueous phase.
- Other ultraviolet absorbers are preferably oil-soluble and soluble in the oil phase (inner phase), and those that absorb ultraviolet rays synergistically with the ultraviolet absorber (component A) present in the aqueous phase are preferred.
- Such an ultraviolet absorber is not particularly limited, for example, methoxycinnamic acid derivatives, diphenylacrylic acid derivatives, salicylic acid derivatives, paraaminobenzoic acid derivatives, triazine derivatives, benzophenone derivatives, benzalmalonate derivatives, anthranilic derivatives, Examples include imidazoline derivatives, 4,4-diarylbutadiene derivatives, and phenylbenzimidazole derivative systems.
- 2-ethylhexyl paramethoxycinnamate homosalate
- octyl salicylate oxybenzone
- 4-t-butyl-4′-methoxydibenzoylmethane 4-t-butyl-4′-methoxydibenzoylmethane
- octyl triazone bisethylhexylphenol methoxyphenyl triazine
- methylene bisbenzotria 2-ethylhexyl paramethoxycinnamate, homosalate, octyl salicylate, oxybenzone, 4-t-butyl-4′-methoxydibenzoylmethane
- octyl triazone bisethylhexylphenol methoxyphenyl triazine
- methylene bisbenzotria 2-ethylhexyl paramethoxycinnamate, homosalate, octyl salicylate,
- composition of the present invention in addition to the above-described components, other components usually used in external compositions such as cosmetics are included within the limits that do not substantially interfere with the intended effects of the present invention. It can be included.
- composition of the present invention can be prepared, for example, by separately mixing the components constituting the oil phase and the components constituting the aqueous phase, adding the oil phase to the aqueous phase and emulsifying.
- composition of the present invention has an oil-in-water emulsion type suntan, because it has the fresh feeling of use inherent in oil-in-water emulsions, has excellent stability at low and high temperatures, and exhibits excellent UV protection. It is particularly suitable for use as a stop cosmetic.
- Example 1 An oil-in-water emulsion composition having the composition listed in Table 1 below was prepared. Specifically, each of the aqueous phase component and the oil phase component was heated to 70 ° C. and completely dissolved, and then the oil phase was added to the aqueous phase and emulsified with an emulsifier to obtain the composition of each example. . A sample of 18.87 ⁇ L of each composition of Example 1 and Comparative Example 1 was uniformly applied to the surface of a PMMA film (5 cm ⁇ 5 cm) at a rate of 0.75 mg / cm 2 . After leaving for 15 minutes, the absorbance of each sample was measured using a spectrophotometer (U-4100: manufactured by Hitachi, Ltd.). The results are shown in FIG.
- Example 1 the oily mixture corresponding to Example 1 in which the liquid oil of Example 1 (olefin oligomer, glyceryl 2-ethylhexanoate, octocrylene) was mixed in the ratio shown in Table 1, and bisethylhexyloxyphenol Further, methoxyphenyltriazine was added and heated to 70 ° C. to prepare an oily mixture corresponding to Comparative Example 1, which was completely dissolved, and each was sealed in a 50 mL screw tube. These were cooled to 25 ° C., a small amount of bisethylhexyloxyphenol methoxyphenyl triazine was added in a solid state, and the mixture was stored at 0 ° C.
- Example 1 olefin oligomer, glyceryl 2-ethylhexanoate, octocrylene
- An oil-in-water emulsion composition having the composition listed in Table 2 below was prepared. Specifically, each of the aqueous phase component and the oil phase component was heated to 70 ° C. and completely dissolved, and then the oil phase was added to the aqueous phase and emulsified with an emulsifier to obtain the composition of each example. . The obtained composition was sealed in a 50 ml screw tube, and the emulsion stability was evaluated by the appearance after storage at 60 ° C. for 1 week. The results are shown in Table 2 together with ⁇ when the one-phase state was maintained and x when separated.
- a cosmetic comprising an oil-in-water emulsion composition was prepared according to the following formulation.
- Formulation Example 1 Sunscreen Emulsion Dipropylene Glycol 5 Xanthan gum 0.1 Bentonite 1 Stearic acid 0.5 Palmitic acid 0.5 Polyoxyethylene glyceryl isostearate 1 Glycerol monostearate 1 Polyoxyethylene glyceryl monostearate 1 Polyvinylpyrrolidone / eicosene copolymer 1 Dineopentanoic acid tripropylene glycol 5 Squalane 3 Decamethylcyclohexapentasiloxane 4 Dimethylpolysiloxane 2 2-Ethylhexyl paramethoxycinnamate 7 2-Hydroxy-4-methoxybenzophenone 2 Methylenebisbenzotriazolyltetramethylbutylphenol 1 Bisethylhexyloxyphenol methoxyphenyl triazine aqueous dispersion 15 Sodium hex
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Abstract
Description
本発明において、前記成分(a)は、油溶性紫外線吸収体と有機ポリマーとの複合体粒子の水分散体であるのが好ましい。
油溶性紫外線吸収剤としては、特に限定されないが、水に不溶性で油に難溶性の紫外線吸収剤から選択するのが好ましい。但し、メチレンビスベンゾトリアゾールテトラメチルブチルフェノール等の実質的に油不溶性のものは含まれない。油不溶性の紫外線吸収剤の水分散物を用いて水中油型乳化組成物を調製し、それを皮膚に適用した場合には、塗布した皮膚が不自然に白っぽくなることがある。
難溶性の紫外線吸収剤には、前記特許文献1に記載されたものが含まれ、具体的には、ベンゾフェノン誘導体、トリアジン誘導体等が挙げられるが、特にトリアジンン誘導体、中でも2、4-ビス-{[4-(2-エチルヘキシルオキシ)-2-ヒドロキシ]フェニル}-6-(4-メトキシフェニル)-(1、3、5)-トリアジン(以下、本明細書では「ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン」とする)が好ましい。このビスエチルヘキシルオキシフェノールメトキシフェニルトリアジンは、BASF社からチノソーブSという商品名で市販されており、当該市販品を使用することができる。
油溶性紫外線吸収体と有機ポリマーとの複合体粒子の水分散体は、例えば、WO2009/007264に記載されている方法に従って調製することができる。簡潔に言えば、紫外線吸収剤と有機モノマーの混合物を水中に分散させた状態で乳化重合させることにより紫外線吸収剤と有機ポリマーとの複合体粒子が分散した水性分散体として得ることができる。
有機モノマーとしては、エチレン性不飽和結合を有するモノマー、例えば、アクリル酸、メタクリル酸、アクリル酸アルキル、メタクリル酸アルキル、スチレンモノマー、ナイロンモノマー等が好ましく使用される。
なお、例えば20質量%の紫外線吸収剤を含有する水分散体(成分a)の配合量として換算すれば、当該分散体は25質量%以下、好ましくは15質量%以下、より好ましくは0.05~15質量%で配合することになる。
(X,Y)2-3(Si,Al)4O10(OH)2Z1/3・nH2O (1)
前記式(1)において、Xは、Al、Fe(III)、Mn(III)、または、Cr(III)であり、Yは、Mg、Fe(II)、Ni、Zn、または、Liであり、Zは、K、Na、または、Caである。
高級脂肪酸としては、特に限定されないが、例えば、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、ベヘニン酸、オレイン酸、ウンデシレン酸、トール酸、イソステアリン酸、リノール酸、リノレイン酸、エイコサペンタエン酸(EPA)、ドコサヘキサエン酸(DHA)等が挙げられる。
水溶性高分子しては、例えば、植物系高分子、微生物系高分子、合成/半合成高分子などがあり、植物系高分子としては、例えば、キサンタンガム、アラビアガム、トラガカントガム、ガラクタン、グアガム、キャロブガム、カラヤガム、カラギーナン、ペクチン、カンテン、クインスシード(マルメロ)、アルゲコロイド(カッソウエキス)、デンプン(コメ、トウモロコシ、バレイショ、コムギ)、グリチルリチン酸等、微生物系高分子としては、例えば、デキストラン、サクシノグルカン、ブルラン等が挙げられる。
ロウ類としては、例えば、ミツロウ、カンデリラロウ、綿ロウ、カルナウバロウ、ベイベリーロウ、イボタロウ、鯨ロウ、モンタンロウ、ヌカロウ、ラノリン、カポックロウ、酢酸ラノリン、液状ラノリン、サトウキビロウ、ラノリン脂肪酸イソプロピル、ラウリン酸ヘキシル、還元ラノリン、ジョジョバロウ、硬質ラノリン、セラックロウ、POEラノリンアルコールエーテル、POEラノリンアルコールアセテート、POEコレステロールエーテル、ラノリン脂肪酸ポリエチレングリコール、POE水素添加ラノリンアルコールエーテル等が挙げられる。
IOBが0.05以上の極性油には、例えば、パラメトキシケイ皮酸2-エチルヘキシル、2-シアノ-3,3-ジフェニルアクリル酸2-エチルヘキシル、ジピバリン酸トリプロピレングリコール、オクタン酸セチル、トリ2-エチルヘキサン酸トリメチロールプロパン、テトラ2-エチルヘキサン酸ペンタンエリスリット、トリ2-エチルヘキサン酸グリセリル、ナフタリンジカルボン酸ジエチルヘキシル、安息香酸(炭素数12~15)アルキル、トリ(カプリル・カプリン酸)グリセリン、ジ(カプリル・カプリン酸)プロピレングリコール、コハク酸ジ2-エチルヘキシル等が含まれる。
他の紫外線吸収剤は、油溶性であって油相(内相)に溶解するものが好ましく、水相に存在する前記紫外線吸収剤(成分A)と相乗的に紫外線を吸収するものが好ましい。
そのような紫外線吸収剤としては、特に限定されないが、例えば、メトキシケイ皮酸誘導体、ジフェニルアクリル酸誘導体、サリチル酸誘導体、パラアミノ安息香酸誘導体、トリアジン誘導体、ベンゾフェノン誘導体、ベンザルマロナート誘導体、アントラニル誘導体、イミダゾリン誘導体、4 , 4 - ジアリールブタジエン誘導体、及びフェニルベンズイミダゾール誘導体系が挙げられる。具体的には、パラメトキシケイ皮酸2-エチルヘキシル、ホモサレート、オクチルサリシレート、オキシベンゾン、4-t-ブチル-4’-メトキシジベンゾイルメタン、オクチルトリアゾン、ビスエチルヘキシルフェノールメトキシフェニルトリアジン、メチレンビスベンゾトリアゾリルテトラメチルブチルフェノール、2-ヒドロキシ-4-メトキシベンゾフェノン、ジヒドロキシジメトキシベンゾフェノン、ジヒドロキシベンゾフェノン、テトラヒドロキシベンゾフェノン、ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、2-シアノ-3,3-ジフェニルアクリル酸-2’-エチルヘキシルエステル、ポリシリコーン-15、ドロメトリゾールポリシロキサン等が挙げられる。
下記表1に掲げた組成を有する水中油型乳化組成物を調製した。具体的には、水相成分及び油相成分を各々70℃に加熱して完全に溶解させ、次いで水相に油相を添加して乳化機で乳化することにより各例の組成物を得た。
実施例1及び比較例1の各組成物のサンプル18.87μLをPMMA製の膜(5cm×5cm)の表面に0.75mg/cm2の割合で均一に塗布した。15分放置した後、分光光度計(U-4100:日立製作所製)を用いて各サンプルの吸光度を測定した。それらの結果を図1に示す。
処方例1 サンスクリーンエマルジョン
ジプロピレングリコール 5
キサンタンガム 0.1
ベントナイト 1
ステアリン酸 0.5
パルミチン酸 0.5
イソステアリン酸ポリオキシエチレングリセリル 1
モノステアリン酸グリセリン 1
モノステアリン酸ポリオキシエチレングリセリン 1
ポリビニルピロリドン/エイコセンコポリマー 1
ジネオペンタン酸トリプロピレングリコール 5
スクワラン 3
デカメチルシクロヘキサペンタシロキサン 4
ジメチルポリシロキサン 2
パラメトキシケイ皮酸2-エチルヘキシル 7
2-ヒドロキシ-4-メトキシベンゾフェノン 2
メチレンビスベンゾトリアゾリルテトラメチルブチルフェノール 1
ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン
水分散体 15
ヘキサメタリン酸ナトリウム 0.1
トリエタノールアミン 適量
防腐剤 適量
精製水 残余
香料 適量
グリセリン 5
カルボマー 0.3
サポナイト(クニミネ工業社製) 0.5
ステアリン酸 0.5
イソステアリン酸 0.5
ステアリルアルコール 2
ポリオキシエチレン硬化ヒマシ油 1
モノステアリン酸ポリオキシエチレングリセリン 1
トリメチルシロキシケイ酸 1
カプリリルメチコン 3
エチルヘキサン酸セチル 10
パラメトキシケイ皮酸2-エチルヘキシル 5
2-シアノ-3,3-ジフェニルアクリル酸-2’-
エチルヘキシルエステル 5
ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン
水分散体 10
オクチルトリアゾン 2
ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル 2
フェニルベンズイミダゾールスルホン酸 1
アスコルビン酸2-グルコシド 2
EDTA-3Na 0.1
水酸化カリウム 適量
防腐剤 適量
精製水 残余
香料 適量
アルコール 5
ジプロピレングリコール 5
キサンタンガム 0.1
ベントナイト 0.5
グリセリルモノステアレート 1
ポリオキシエチレングリセリルイソステアレート 1
ベヘニン酸 1
ベヘニルアルコール 2
トリメチルシロキシケイ酸 1
シクロメチコン 3
ジメチコン 2
イソプロピルミリステート 5
パルミチン酸オクチル 5
コハク酸ジエチルヘキシル 1
ポリオキシエチレンポリオキシプロピレングリコール 1
2-シアノ-3,3-ジフェニルアクリル酸-2’-
エチルヘキシルエステル 5
ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン
水分散体 10
ジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル 2
4-tert-ブチル-4’-メトキシジベンゾイルメタン 2
メチレンビスベンゾトリアゾリルテトラメチルブチルフェノール 2
EDTA-3Na 0.1
トリエタノールアミン 適量
防腐剤 適量
精製水 残余
香料 適量
Claims (8)
- (a)油溶性紫外線吸収剤の水分散体、
(b)非イオン性界面活性剤、及び脂肪酸石鹸から選ばれる1種または2種以上の化合物、
(c)水膨潤性粘土鉱物、及び
(d)高級脂肪酸
を含有することを特徴とする水中油型乳化組成物。 - 水溶性高分子を3質量%以下含むことを特徴とする請求項1に記載の組成物。
- 前記成分(a)が、油溶性紫外線吸収剤と有機ポリマーとの複合体粒子の水分散体であることを特徴とする、請求項1又は2に記載の組成物。
- 前記油溶性紫外線吸収剤がトリアジン誘導体であることを特徴とする、請求項1から3のいずれか一項に記載の組成物。
- 前記油溶性紫外線吸収剤が、ビスエチルヘキシルオキシフェノールメトキシフェニルトリアジンであることを特徴とする、請求項1から4のいずれか一項に記載の組成物。
- 前記油溶性紫外線吸収剤の配合量が5質量%以下であることを特徴とする、請求項1から5のいずれか一項に記載の組成物。
- 前記(c)水膨潤性粘土鉱物の配合量が0.01~4質量%であることを特徴とする、請求項1から6のいずれか一項に記載の組成物。
- 日焼け止め化粧料であることを特徴とする、請求項1から7のいずれか一項に記載の組成物。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201180018871.0A CN102858309B (zh) | 2010-04-13 | 2011-04-11 | 水包油型乳化组合物 |
| ES11768810.1T ES2629047T3 (es) | 2010-04-13 | 2011-04-11 | Composición de emulsión de aceite en agua |
| EP11768810.1A EP2559423B1 (en) | 2010-04-13 | 2011-04-11 | Oil-in-water emulsion composition |
| KR1020127027197A KR101395632B1 (ko) | 2010-04-13 | 2011-04-11 | 수중유형 유화 조성물 |
| US13/639,316 US20130028852A1 (en) | 2010-04-13 | 2011-04-11 | Oil-in-water emulsion composition |
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| JP2010092260 | 2010-04-13 | ||
| JP2010-092260 | 2010-04-13 | ||
| JP2011086011A JP5058351B2 (ja) | 2010-04-13 | 2011-04-08 | 水中油型乳化組成物 |
| JP2011-086011 | 2011-04-08 |
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| Publication Number | Publication Date |
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| WO2011129289A2 true WO2011129289A2 (ja) | 2011-10-20 |
| WO2011129289A3 WO2011129289A3 (ja) | 2011-12-01 |
Family
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| PCT/JP2011/058977 Ceased WO2011129289A2 (ja) | 2010-04-13 | 2011-04-11 | 水中油型乳化組成物 |
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| Country | Link |
|---|---|
| US (1) | US20130028852A1 (ja) |
| EP (1) | EP2559423B1 (ja) |
| JP (1) | JP5058351B2 (ja) |
| KR (1) | KR101395632B1 (ja) |
| CN (1) | CN102858309B (ja) |
| ES (1) | ES2629047T3 (ja) |
| TW (1) | TWI498126B (ja) |
| WO (1) | WO2011129289A2 (ja) |
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| CN104887547A (zh) * | 2015-05-29 | 2015-09-09 | 苏州市贝克生物科技有限公司 | Uv防晒剂及其制备方法 |
| JP2015182989A (ja) * | 2014-03-26 | 2015-10-22 | ポーラ化成工業株式会社 | 日焼け止め化粧料 |
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| JP2015030723A (ja) * | 2013-08-07 | 2015-02-16 | ポーラ化成工業株式会社 | 乳化剤形の日焼け止め化粧料 |
| JP6210032B2 (ja) * | 2013-08-26 | 2017-10-11 | 日信化学工業株式会社 | エマルジョン及び該エマルジョンを含有する化粧料 |
| JP6265371B2 (ja) * | 2013-08-26 | 2018-01-24 | 日本メナード化粧品株式会社 | 化粧料 |
| AU2015337532A1 (en) | 2014-10-31 | 2017-04-20 | Shiseido Company, Ltd. | Oil-in-water emulsified sunblock cosmetic |
| DE102014225432A1 (de) * | 2014-12-10 | 2016-06-16 | Henkel Ag & Co. Kgaa | Mittel und Verfahren zur temporären Verformung keratinhaltiger Fasern |
| JP6763598B2 (ja) * | 2016-05-13 | 2020-09-30 | 株式会社希松 | 紫外線防止効果を有する皮膚化粧料 |
| EP3266442A1 (en) * | 2016-07-04 | 2018-01-10 | Clariant International Ltd | Emulsion stabilized by clay |
| JP6902658B2 (ja) * | 2016-07-28 | 2021-07-14 | アサヌマ コーポレーション株式会社 | 水中油型メイクアップ化粧料 |
| JP2018016587A (ja) * | 2016-07-28 | 2018-02-01 | アサヌマ コーポレーション株式会社 | 水中油型メイクアップ化粧料 |
| JP7057066B2 (ja) * | 2017-03-02 | 2022-04-19 | 株式会社 資生堂 | 水中油型乳化日焼け止め化粧料 |
| CN113164784B (zh) * | 2018-12-19 | 2024-04-12 | Lvmh研究公司 | 具有紫外线防护效果的水包油型乳化化妆品 |
| JP7668229B2 (ja) * | 2019-12-17 | 2025-04-24 | 株式会社 資生堂 | 水中油型乳化化粧料 |
| JP7814307B2 (ja) * | 2020-05-25 | 2026-02-16 | ロート製薬株式会社 | 水中油型化粧料 |
| FR3117789B1 (fr) | 2020-12-22 | 2025-11-07 | Oreal | Composition cosmétique comprenant au moins une argile, au moins un corps gras cristallisable et au moins un filtre UV liposoluble |
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| CN104887547A (zh) * | 2015-05-29 | 2015-09-09 | 苏州市贝克生物科技有限公司 | Uv防晒剂及其制备方法 |
Also Published As
| Publication number | Publication date |
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| KR20130041788A (ko) | 2013-04-25 |
| JP2011236200A (ja) | 2011-11-24 |
| EP2559423A4 (en) | 2014-03-12 |
| TW201204407A (en) | 2012-02-01 |
| CN102858309B (zh) | 2014-08-27 |
| WO2011129289A3 (ja) | 2011-12-01 |
| ES2629047T3 (es) | 2017-08-07 |
| US20130028852A1 (en) | 2013-01-31 |
| CN102858309A (zh) | 2013-01-02 |
| EP2559423B1 (en) | 2017-06-07 |
| EP2559423A2 (en) | 2013-02-20 |
| JP5058351B2 (ja) | 2012-10-24 |
| TWI498126B (zh) | 2015-09-01 |
| KR101395632B1 (ko) | 2014-05-16 |
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