US4424234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin treatment compositions
Assignee: CPPD Inc A CORP OF
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Filing: 1980-12-29
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Granted: 1984-01-03
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Expires: 2000-12-29
Abstract
Abstract A cosmetically acceptable aqueous composition for topical application to human skin to provide skin benefit comprises an hydroxylated C 6 to C 10 carboxylic acid and a cosmetically acceptable vehicle other than water.
Inventors
- 👤 Susan G. Alderson
- 👤 Martin D. Barratt
- 👤 John G. Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:43
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/007; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/365; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
55 words
A cosmetically acceptable aqueous composition in the form of lotions, creams, gels and solid sticks for topical application to the skin, comprising from 0.5 to 20% by weight of an hydroxy alkanoic acid selected from the group consisting of α-hydroxy-n-caproic acid, α-hydroxy-n-caprylic acid and mixtures thereof, together with a cosmetically acceptable vehicle other than water.
Claim 2
Dependent Claim
55 words
A cosmetically acceptable aqueous composition in the form of lotions, creams, gels and solid sticks for topical application to the skin, comprising from 0.5 to 20% by weight of an hydroxy alkanoic acid selected from the group consisting of α-hydroxy-n-caproic acid, α-hydroxy-n-caprylic acid and mixtures thereof, together with a cosmetically acceptable vehicle other than water.
Claim 3
Dependent Claim
21 words
The composition according to claim 1, wherein the hydroxy alkanoic acid forms from 1 to 10% by weight of the composition.
Claim 4
Dependent Claim
30 words
The composition according to claim 1, wherein the vehicle is selected from the group consisting of powder absorbents, powder binders, powder carriers, emollients, propellants, solvents, humectants, thickeners and mixtures thereof.
Claim 5
Dependent Claim
18 words
The composition according to claim 3, wherein the vehicle comprises up to 99.5% by weight of the composition.
Claim 6
Dependent Claim
26 words
A method of treating dry skin which comprises applying to said dry skin an effective amount to reduce dryness of a composition according to claim 1.
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) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |