Patent EP0299756A2 successfully refreshed from Google Patents.
EP0299756A2
Expired / Lapsed
EP
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Anti-acne composition
Assignee: Richardson Vicks Inc
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Filing: 1988-07-14
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Granted: —
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Expires: 2008-07-14
Abstract
Abstract A hydroalcoholic solution with pH 2-3.5 of salicylic acid and an anionic taurate surfactant selected from the group consisting of sodium methyl cocoyl taurate and sodium methyl oleoyl taurate for the treatment of acne, is cosmetically acceptable, and results in the deposition of substantial amounts of salicylic acid into the stratum corneum with minimal penetration through the skin.
Inventors
- 👤 Alexandra Kowcz
- 👤 Darrell Gene Doughty
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 10:15
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/368; A61K8/46; A61K8/466; A61P; A61P17/00; A61Q; A61Q19/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
A cosmetically acceptable composition for treating acne comprising: a) from about 0.2 to about 5.0 weight percent of salicylic acid; b) from about 10 to 60 weight percent of C₂H₅OH or C₃H₇OH; c) from about 30 to about 80 weight percent of water; and d) from about 0.2 to about 5.0 weight percent of sodium methyl cocoyl taurate or sodium methyl oleoyl taurate; the composition having a pH value of from about 2 to about 3.5.
Claim 2
Dependent Claim
76 words
A cosmetically acceptable composition for treating acne comprising: a) from about 0.2 to about 5.0 weight percent of salicylic acid; b) from about 10 to 60 weight percent of C₂H₅OH or C₃H₇OH; c) from about 30 to about 80 weight percent of water; and d) from about 0.2 to about 5.0 weight percent of sodium methyl cocoyl taurate or sodium methyl oleoyl taurate; the composition having a pH value of from about 2 to about 3.5.
Claim 3
Dependent Claim
16 words
The composition of Claim 1 wherein b) is C₂H₅OH and d) is sodium methyl cocoyl taurate.
Claim 4
Dependent Claim
16 words
The composition of Claim 1 wherein b) is C₂H₅OH and d) is sodium methyl oleoyl taurate.
Claim 5
Dependent Claim
78 words
A cosmetically acceptable composition for treating acne comprising: a) from about 0.5 to about 2.5 weight percent of salicylic acid; b) from about 20 to about 50 weight percent of C₂H₅OH or C₃H₇OH; c) from about 50 to about 75 weight percent of water; and d) from about 0.2 to about 2.5 weight weight percent of sodium methyl cocoyl taurate or sodium methyl oleoyl taurate; the composition having a pH value of from about 2 to about 3.5.
Claim 6
Dependent Claim
78 words
A cosmetically acceptable composition for treating acne comprising: a) from about 0.5 to about 2.5 weight percent of salicylic acid; b) from about 20 to about 50 weight percent of C₂H₅OH or C₃H₇OH; c) from about 50 to about 75 weight percent of water; and d) from about 0.2 to about 2.5 weight weight percent of sodium methyl cocoyl taurate or sodium methyl oleoyl taurate; the composition having a pH value of from about 2 to about 3.5.
Claim 7
Dependent Claim
21 words
The composition of Claim 4 wherein b) is C₂H₅OH and d) is about 0.7% by weight of sodium methyl cocoyl taurate.
Claim 8
Dependent Claim
21 words
The composition of Claim 4 wherein b) is C₂H₅OH and d) is about 0.7% by weight of sodium methyl oleoyl taurate.
Claim 9
Dependent Claim
84 words
A cosmetically acceptable composition for treating acne comprising: Ingredients % w/w Salicylic Acid 0.50 - 2.00 Na Methyl Cocoyl Taurate or Na Methyl Oleoyl Taurate 0.7 - 2.0 C₂H₅OH (95% Ethanol) 20 - 50 Witch Hazel Distillate 5 - 10 Quaternium-22 0.6 - 1 Aloe Vera Gel 0.5 - 5 Allantoin 0 - 5 Na₂CO₃ Anhydrous 0.01 - 0.8 Citric Acid, Hydrous 3.5 - 4.5 Menthol 0.05 - 2 Camphor 0.00005 - 0.001 Flavoring and Sensate Oils 0.15 - 5 Water, q.s. to 100%
Claim 10
Dependent Claim
84 words
A cosmetically acceptable composition for treating acne comprising: Ingredients % w/w Salicylic Acid 0.50 - 2.00 Na Methyl Cocoyl Taurate or Na Methyl Oleoyl Taurate 0.7 - 2.0 C₂H₅OH (95% Ethanol) 20 - 50 Witch Hazel Distillate 5 - 10 Quaternium-22 0.6 - 1 Aloe Vera Gel 0.5 - 5 Allantoin 0 - 5 Na₂CO₃ Anhydrous 0.01 - 0.8 Citric Acid, Hydrous 3.5 - 4.5 Menthol 0.05 - 2 Camphor 0.00005 - 0.001 Flavoring and Sensate Oils 0.15 - 5 Water, q.s. to 100%
References Cited (Backward Citations)
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