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EP0358528A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Cosmetic composition

Assignee: Unilever PLC
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Filing: 1989-09-08
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Granted: —
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Expires: 2009-09-08
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Abstract

Abstract An emulsion suitable for topical application to human skin or hair comprises, in addition to water from 0.01 to 20% by weight of a skin benefit ingredient, preferably a 2-hydroxyalkanoic acid having from 3 to 20 carbon atoms, or a salt thereof; from 0.1 to 20% by weight of polyoxyethylene-21-stearyl ether, as a principle emulsifier and from 0.5 to 70% by weight of an emollient oil.

Inventors

  • 👤 Mavis Claire Pereira

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 13:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; A61K8/18; A61K8/72; A61K8/84; A61K8/86; A61Q; A61Q17/00; A61Q17/04; A61Q19/00; A61Q5/00

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 102 words
An emulsion suitable for topical application to human skin or hair, which comprises in addition to water: i. from 0.01 to 20% by weight of a skin benefit ingredient chosen from Retinoic acid Retinyl palmitate Ascorbic acid Ascorbyl palmitate Tocopherol Tocopherol acetate Pyroglutamic acid and salts thereof Amino acids Sunscreens Hyaluronic acid and salts thereof Perfluoropolyether Hydrocortisone acetate, and a 2-hydroxyalkanoic acid having from 3 to 20 carbon atoms, or a salt thereof; and mixtures thereof. ii. from 0.1 to 200/o by weight of polyoxyethylene-21-stearyl ether, as a principle emulsifier; and iii. from 0.5 to 70% bv weight of an emollient oil.
Claim 2
Dependent Claim 102 words
An emulsion suitable for topical application to human skin or hair, which comprises in addition to water: i. from 0.01 to 20% by weight of a skin benefit ingredient chosen from Retinoic acid Retinyl palmitate Ascorbic acid Ascorbyl palmitate Tocopherol Tocopherol acetate Pyroglutamic acid and salts thereof Amino acids Sunscreens Hyaluronic acid and salts thereof Perfluoropolyether Hydrocortisone acetate, and a 2-hydroxyalkanoic acid having from 3 to 20 carbon atoms, or a salt thereof; and mixtures thereof. ii. from 0.1 to 200/o by weight of polyoxyethylene-21-stearyl ether, as a principle emulsifier; and iii. from 0.5 to 70% bv weight of an emollient oil.
Claim 3
Dependent Claim 40 words
An emulsion according to claim 1, in which the amino acid is chosen from: glycine alanine valine leucine isolencine phenylalanine tyrosine proline hydroxyproline serine threonine cysteine cystine methionine tryptophan aspartic acid glutamic acid arginine lysine, and histidine and mixtures thereof.
Claim 4
Dependent Claim 43 words
An emulsion according to claim 1, in which the sunscreen is chosen from: p-Aminobenzoic acid Ethyl dihydroxypropyl p-aminobenzoic acid Glyceryl p-aminobenzoic acid 2,4-Dihydroxy benzophenone 2-Ethoxyethyl-p-methoxycinnamate Di-ethanolamine p-methoxycinnamate 2-Ethylhexyl salicylate Homomenthyl salicylate 2-Phenylbenzimidazole-5-sulphonic acid Ethylhexyl p-methoxycinnamate 3-(4-Methylbenzylidine) camphor 2-Hydroxy-4-methoxy benzophenone Butylmethoxydibenzoylmethane, and 4-isopropyl dibenzoylmethane.
Claim 5
Dependent Claim 23 words
An emulsion according to claim 1, in which the 2-hydroxyalkanoic acid is chosen from 2-hydroxypropanoic acid, 2-hydroxyhexanoic acid, 2-hydroxyoctanoic acid and mixtures thereof.
Claim 6
Dependent Claim 21 words
An emulsion according to claim 1, in which the 2-hydroxyalkanoic acid salt is chosen from the sodium, potassium and triethanolamine salts.
Claim 7
Dependent Claim 26 words
An emulsion according to any preceding claim, in which the amount of the skin benefit ingredient is from 0.1 to 10% by weight of the emulsion.
Claim 8
Dependent Claim 24 words
An emulsion according to any preceding claim, in which the amount of polyoxyethylene-21-stearyl alcohol is from 0.5 to 10% by weight of the emulsion.
Claim 9
Dependent Claim 45 words
An emulsion according to any preceding claim, in which the emollient oil is chosen from: polyoxypropylene-15-stearyl ether dimethylpolysiloxanes lanolin cetyl alcohol stearyl alcohol wheatgerm oil isopropyl myristate cetyl palmitate evening primrose oil arnica oil avacado oil caprylic and capric triglycerols ozokerite wax, and mixtures thereof.
Claim 10
Dependent Claim 25 words
An emulsion according to any preceding claim, in which the amount of the emollient oil is from 1 to 60% by weight of the emulsion.
Claim 11
Dependent Claim 23 words
An emulsion according to any preceding claim, which further comprises a secondary emulsifier chosen from: polyoxyethylene-2-stearyl ether polyoxyethylene-2-cetyl ether, and a mixture thereof.
Claim 12
Dependent Claim 23 words
An emulsion according to any preceding claim, which further comprises a delivery enhancer chosen from: butane-1,3-diol, glycerol propane-1,4-diol, dibutyl sebacate, and mixtures thereof.
Claim 13
Dependent Claim 12 words
An emulsion according to any preceding claim, which further comprises a perfume.

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