US5652266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic or dermatological compositions
Assignee: Boots Co PLC
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Filing: 1995-03-27
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Granted: 1997-07-29
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Expires: 2015-03-27
Abstract
Abstract A cosmetic or dermatological composition containing a skin enhancing agent consisting essentially of a) at least one alpha -hydroxy acid, b) salicylic acid or esters thereof and c) at least one retinoid in a skin enhancing method.
Inventors
- 👤 Carinne Bobier-Rival
- 👤 Odile Fournier
- 👤 Alain Fructus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60; A61K31/185; A61K31/19; A61K31/191; A61K31/21; A61K31/215; A61K31/216; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/347; A61K8/36; A61K8/365; A61K8/368; A61K8/37; A61K8/67; A61K8/671; A61P; A61P17/00; A61P3/00; A61P3/02; A61Q; A61Q19/00; A61Q19/08; A61K2300/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
34 words
A cosmetic or dermatological composition containing a skin enhancing agent consisting essentially of a) at least one α-hydroxy acid, b) salicylic acid or esters thereof and c) 0.02 to 2.0%, of vitamin A palmitate.
Claim 2
Dependent Claim
34 words
A cosmetic or dermatological composition containing a skin enhancing agent consisting essentially of a) at least one α-hydroxy acid, b) salicylic acid or esters thereof and c) 0.02 to 2.0%, of vitamin A palmitate.
Claim 3
Dependent Claim
11 words
A composition of claim 1 where component b) is salicylic acid.
Claim 4
Dependent Claim
47 words
A composition of claim 1 containing 3 to 20% by weight of a), 0.1 to 5% of salicylic acid or 0.2 to 10% by weight of esters of salicylic acid in b) and 0.02 to 2% of c), all % by weight based on the total composition.
Claim 5
Dependent Claim
12 words
A composition of claim 1 also containing nordihydro-reguaiaretic acid or esters thereof.
Claim 6
Dependent Claim
51 words
A composition of claim 1 consisting essentially of a) 4 to 15% by weight of lactic acid, b) 0.3 to 4% by weight of salicylic acid or 0.6 to 8% by weight of at least one ester of salicylic acid and c) 0.04 to 1% by weight of vitamin A palmitate.
Claim 7
Dependent Claim
29 words
A method of enhancing the skin of a warm-blooded animal comprising applying a skin enhancing amount of a composition of claim 1 to the skin of a warm-blooded animal.
Claim 8
Dependent Claim
50 words
The method of claim 6 wherein the composition contains 3 to 20% by weight of a), 0.1 to 5% of salicylic acid or 0.2 to 10% by weight of esters of salicylic acid in b) and 0.02 to 2% of c), all % by weight based on the total composition.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-28 | 2001-01-27 | 2001-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-28 | 2005-01-27 | 2005-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-28 | 2009-01-27 | 2009-07-29 | $7700.00 | Window Closed / Lapsed |