Patent US2257471A successfully refreshed from Google Patents.
US2845381A
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Preparations for the treatment of the human skin containing androstane derivatives
Assignee: Organon NV
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Filing: 1954-08-20
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Granted: 1958-07-29
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Expires: 1974-08-20
Abstract
No abstract record available.
Inventors
- 👤 Tindall Walter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:29
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0014; A61K31/00; A61K31/56; A61K31/565; C; C07; C07D; C07D237/00; C07D237/26; C07D237/28; F; F02; F02C; F02C7/00; F02C7/06; F02C7/22; Y; Y10; Y10S; Y10S424/00; Y10S424/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
COSMETIC PREPARATION FOR THE TREATMENT OF HUMAN SKIN, COMPRISING A TOPICAL OINTMENT VEHICLE AND AT LEAST A SINGLE STEROID OF THE FORMULA:
Claim 2
Dependent Claim
22 words
COSMETIC PREPARATION FOR THE TREATMENT OF HUMAN SKIN, COMPRISING A TOPICAL OINTMENT VEHICLE AND AT LEAST A SINGLE STEROID OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |