US5723482A
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Active compounds and cosmetic and dermatological formulations
Assignee: Beiersdorf AG
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Filing: 1994-03-11
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Granted: 1998-03-03
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Expires: 2014-03-11
Abstract
Abstract PCT No. PCT/EP94/00760 Sec. 371 Date Sep. 12, 1995 Sec. 102(e) Date Sep. 12, 1995 PCT Filed Mar. 11, 1994 PCT Pub. No. WO94/21245 PCT Pub. Date Sep. 29, 1994Use of carnosine or derivatives or analogs thereof or of the combination of the active compounds a) carnosine or derivatives or analogs thereof and b) urocanic acid or derivatives or analogs thereof, or in each case mixtures of these compounds, if appropriate in each case in combination with an antioxidant or a plurality of antioxidants and if appropriate with a suitable carrier, for cosmetic and dermatological purposes, in particular for the prophylaxis and treatment of photosensitive skin, in particular photodermatoses, and preferably polymorphic photodermatosis.
Inventors
- 👤 Joachim Degwert
- 👤 Gerhard Sauermann
- 👤 Volkner Schreiner
- 👤 Franz Stab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:20
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/415; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4946; A61K8/64; A61P; A61P17/00; A61P17/16; A61P43/00; A61Q19/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
37 words
A cosmetic or dermatological formulation which comprises an effective amount of a) carnosine or a derivative or analogue thereof; b) urocanic acid or a derivative or an analogue thereof; c) optionally an antioxidant; and d) an auxiliary.
Claim 2
Dependent Claim
37 words
A cosmetic or dermatological formulation which comprises an effective amount of a) carnosine or a derivative or analogue thereof; b) urocanic acid or a derivative or an analogue thereof; c) optionally an antioxidant; and d) an auxiliary.
Claim 3
Dependent Claim
65 words
The formulation according to claim 1, wherein the carnosine or a derivative or analogue thereof is selected from the group consisting of carnosine, L-carnosine, anserine or L-anserine and the urocanic acid or derivative or analogue thereof is selected from the group consisting of histidine, imidazole-glycerol, imidazoleglycerol phosphate, imidazolone-5-propionic acid, imidazole acetate, L-histidinol, L-histidinol phosphate, L-histidinol acetate, L-histidinol palmitate or oleate, L-histidine, cis- or trans-urocanic acid.
Claim 4
Dependent Claim
18 words
The formulation according to claim 1, which additionally contains a light protection agent or a UV protection agent.
Claim 5
Dependent Claim
57 words
The formulation according to claim 3, wherein the UV protection agent is a UVB filter selected from the group consisting of 3-benzylidenecamphor derivatives, 4-aminobenzoic acid derivatives, esters of cinnamic acid, esters of salicylic acid, derivatives of benzophenone, esters of benzalmalonic acid, 2,4,6-trianilino-(p-carbo-2'-ethyl-1'-hexyloxy)-1,3,5-triazine, salts of 2-phenylbenzimidazole-5-sulphonic acid, sulphonic acid derivatives of benzophenones and sulphonic acid derivatives of 3-benzylidenecamphor.
Claim 6
Dependent Claim
29 words
The formulation according to claim 3, wherein the UV protection agent is a UVA filter selected from the group consisting of a derivative of dibenzoylmethane, 1 -(4'-tert-butylphenyl)-3-(4'-methoxyphenyl)propane-1,3-dione or 1-phenyl-3-(4'-isopropylphenyl)propane-1,3-dione.
Claim 7
Dependent Claim
12 words
The formulation according to claim 1, which additionally contains an inorganic pigment.
Claim 8
Dependent Claim
15 words
The formulation according to claim 6, wherein the inorganic pigment is based upon titanium dioxide.
Claim 9
Dependent Claim
64 words
The formulation according to claim 1, wherein the auxiliary is a preservative, a bactericide, a perfume, an agent for preventing foam, a dye, a pigment, a thickener, a surface-active agent, an emulsifier, a softening agent, a humidifying agent, a humectant, a fat, an oil, a wax, an alcohol, a polyol, a polymer, a foam stabilizer, an electrolyte, an organic solvent or a silicone derivative.
Claim 10
Dependent Claim
40 words
The formulation according to claim 1, which is in the form of a solution or lotion, an emulsion or an oily-alcoholic gel, an aqueous-alcoholic gel, or an alcoholic gel or is in the form of a stick or an aerosol.
Claim 11
Dependent Claim
37 words
A method for the prophylaxis or for the treatment of the condition of light-sensitive skin or hair which comprises topically applying to the skin a cosmetically or dermatologically effective amount of the formulation according to claim 1.
Claim 12
Dependent Claim
11 words
The method according to claim 10, wherein the condition is photodermatosis.
Claim 13
Dependent Claim
12 words
The method according to claim 11, wherein the photodermatosis is polymorphic dermatosis.
Claim 14
Dependent Claim
68 words
The method according to claim 10, wherein the carnosine or a derivative or analogue thereof in the formulations is selected from the group consisting of carnosine, L-carnosine, anserine or L-anserine and the urocanic acid or derivative or analogue thereof is selected from the group consisting of histidine, imidazole-glycerol, imidazoleglycerol phosphate, imidazolone-5-propionic acid, imidazole acetate, L-histidinol, L-histidinol phosphate, L-histidinol acetate, L-histidinol palmitate or oleate, L-histidine, cis- or trans-urocanic acid.
Claim 15
Dependent Claim
20 words
The method according to claim 10, wherein the formulation additionally contains a light protecting agent or a UV protecting agent.
Claim 16
Dependent Claim
57 words
The method according to claim 14, wherein the UV protecting agent is a UVB filter selected from the group consisting of 3-benzylidenecamphor derivatives, 4-aminobenzoic acid derivatives, esters of cinnamic acid, esters of salicylic acid, derivatives of benzophenone, esters of benzalmalonic acid, 2,4,6-trianilino-(p-carbo-2'-ethyl-1'-hexyloxy)-1,3,5-triazine, salts of 2-phenylbenzimidazole-5-sulphonic acid, sulphonic acid derivatives of benzophenones and sulphonic acid derivatives of 3-benzylidenecamphor.
Claim 17
Dependent Claim
28 words
The method according to claim 14, wherein the UV protecting agent is a UVA filter selected from the group consisting of a derivative of dibenzoylmethane, 1-(4'-tert-butylphenyl)-3-(4'-methoxyphenyl)propane-1,3-dione or 1-phenyl-3-(4'-isopropylphenyl)propane-1,3-dione.
Claim 18
Dependent Claim
14 words
The method according to claim 14, wherein the formulation additionally contains an inorganic pigment.
Claim 19
Dependent Claim
15 words
The method according to claim 14, wherein the inorganic pigment is based upon titanium dioxide.
Claim 20
Dependent Claim
71 words
The method according to claim 10, wherein the formulation additionally contains an auxiliary and the auxiliary is a preservative, a bactericide, a perfume, an agent for preventing foam, a dye, a pigment, a thickener, a surface-active agent, an emulsifier, a softening agent, a humidifying agent, a humectant, a fat, an oil, a wax, an alcohol, a polyol, a polymer, a foam stabilizer, an electrolyte, an organic solvent or a silicone derivative.
Claim 21
Dependent Claim
42 words
The method according to claim 10, wherein the formulation is in the form of a solution or lotion, an emulsion or an oily-alcoholic gel, an aqueous-alcoholic gel, or an alcoholic gel or is in the form of a stick or an aerosol.
References Cited (Backward Citations)
EP0413528A1
Cited
EP0467116A1
Cited
USPTO Annuity & Maintenance Windows
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| 3.5 Years (Year 4) | 2001-03-02 | 2001-09-01 | 2002-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-02 | 2005-09-01 | 2006-03-03 | $3760.00 | Window Closed / Lapsed |
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