Patent US865997A successfully refreshed from Google Patents.
US3147183A
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US
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Bis-(steroid-21)-dicarboxylic acid esters
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1962-04-16
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Granted: 1964-09-01
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Heider Joachim
- 👤 Jerchel Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:27
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57; A61K31/573; C; C07; C07J; C07J5/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
AN ANTIPHLOGISTIC DERMATOLOGICAL COMPOSITION CONSISTING ESSENTIALLY OF A PHYSIOLOGICALLY COMPATIBLE CARRIER HAVING UNIFORMLY DISTRIBUTED THEREIN 0.01 TO 0.1 PERCENT OF WEIGHT OF A BIS-(STEROID-21)-DICARBOXYLIC ACID ESTER 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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |