US4039669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for topical application and use thereof
Assignee: STWB Inc
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Filing: 1975-08-01
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Granted: 1977-08-02
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Expires: 1995-08-01
Abstract
Abstract A composition for topical treatment of dermatological conditions associated with androgenic stimulatory influences, e.g. acne, which comprises 17α-R-androst-4-en-17β-ol-3-one or an ester thereof in an appropriate pharmaceutical formulation; and a method of treating such dermatological conditions therewith.
Inventors
- 👤 Arthur L. Beyler
- 👤 Richard A. Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:21
CPC Classifications
C; C07; C07J; C07J1/00; C07J1/0003; C07J1/0033; C07J1/0037; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/63; A61Q; A61Q19/00; A61Q7/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
41 words
A composition for topical treatment of dermatological conditions associated with androgenic stimulatory influences which comprises an anti-androgenically effective amount of 17α-R-androst-4-en-17β-ol-3-one or a pharmaceutically acceptable ester thereof, where R is n-propyl or n-butyl, in a pharmaceutical formulation suitable for topical application.
Claim 2
Dependent Claim
41 words
A composition for topical treatment of dermatological conditions associated with androgenic stimulatory influences which comprises an anti-androgenically effective amount of 17α-R-androst-4-en-17β-ol-3-one or a pharmaceutically acceptable ester thereof, where R is n-propyl or n-butyl, in a pharmaceutical formulation suitable for topical application.
Claim 3
Dependent Claim
24 words
A composition according to claim 1 in which the anti-androgenically effective compound is 17α-(n-propyl)androst-4-en-17β-ol-3-one in a concentration of 0.1 to 5.0 percent by weight.
Claim 4
Dependent Claim
24 words
A composition according to claim 1 in which the anti-androgenically effective compound is 17α-(n-butyl)androst-4-en-17β-ol-3-one in a concentration of 0.1 to 5.0 percent by weight.
Claim 5
Dependent Claim
25 words
A method of treating dermatological conditions associated with androgenic stimulatory influences which comprises applying to the affected skin area a composition according to claim 1.
Claim 6
Dependent Claim
25 words
A method of treating dermatological conditions associated with androgenic stimulatory influences which comprises applying to the affected skin area a composition according to claim 2.
Claim 7
Dependent Claim
25 words
A method of treating dermatological conditions associated with androgenic stimulatory influences which comprises applying to the affected skin area a composition according to claim 3.
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) | 1980-08-01 | 1981-01-31 | 1981-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-01 | 1985-01-31 | 1985-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-01 | 1989-01-31 | 1989-08-02 | $7700.00 | Window Closed / Lapsed |