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Active compounds and cosmetic and dermatological formulations

Assignee: Beiersdorf AG
•
Filing: 1994-03-11
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Granted: 1998-03-03
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Expires: 2014-03-11
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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 14:55
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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-03-02 2001-09-01 2002-03-03 $2000.00 Window Closed / Lapsed
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