EP0193387A2
Expired / Lapsed
EP
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Sunscreen compositions and method of protecting skin
Assignee: Procter and Gamble Co
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Filing: 1986-02-26
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Granted: —
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Expires: 2006-02-26
Abstract
Abstract Sunscreen compositions are disclosed which are resistant to rub-off and the concomitant loss of protection provided by the sunscreen.
Inventors
- 👤 Earl David Brock
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 11:03
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; A61K8/062; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q17/00; A61Q17/04; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
79 words
Art oil in water emulsion sunscreen composition comprising: (A) from 1% to 20% of an oil soluble sunscreen; (B) from 0.25% to 3% of an ethylene acrylic acid copolymer having the formula (C) from 2% to 10% of an emulsifier; and (D) from 70% to 96% of water; wherein the ratio of A:B is from 12:1 to 15:1 and the ratio of x:y is from 1:9 to 1:24 and the molecular weight of B is from 3500 to 4500.
Claim 2
Dependent Claim
79 words
Art oil in water emulsion sunscreen composition comprising: (A) from 1% to 20% of an oil soluble sunscreen; (B) from 0.25% to 3% of an ethylene acrylic acid copolymer having the formula (C) from 2% to 10% of an emulsifier; and (D) from 70% to 96% of water; wherein the ratio of A:B is from 12:1 to 15:1 and the ratio of x:y is from 1:9 to 1:24 and the molecular weight of B is from 3500 to 4500.
Claim 3
Dependent Claim
11 words
A composition according to Claim 1 which also contains a humectant.
Claim 4
Dependent Claim
11 words
A composition according to Claim 2 wherein the humectant is glycerin.
Claim 5
Dependent Claim
16 words
A composition according to any of Claims 1 to 3 which also contains a thickening agent.
Claim 6
Dependent Claim
13 words
A composition according to Claim 4 wherein the thickener is a carboxyvinyl polymer.
Claim 7
Dependent Claim
28 words
A composition according to any of Claims 1 to 5 wherein the sunscreeen is selected from 2-ethylhexyl p-methoxycinnamate, butyl methoxydibezoylmethane, 2-hydroxy-4-methoxy-benzophenone, octyl dimethyl p-aminobenzoic acid and mixtures thereof.
Claim 8
Dependent Claim
21 words
A conposition according to any of Claims 1 to 6 wherein the emulsifier is a mixture of anionic and nonionic emulsifiers.
Claim 9
Dependent Claim
15 words
A composition according to any of Claims 1 to 7 which in addition contains petrolatum.
Claim 10
Dependent Claim
26 words
A composition according to any of Claims 1 to 8 wherein the oil phase particles have a mean particle size of from 5 to 10 microns.
Claim 11
Independent Claim
56 words
A method of protecting skin form UV rays comprising the following steps to be performed prior to UV exposure: (A) applying from 0.5 mg/cm 2 to 5 mg/cm 2 of a composition according to any of Claims 1 to 9 to the skin area desired to be protected; and (B) rubbing the conposition into the skin.
References Cited (Backward Citations)
No citation records indexed.
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