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Patent US3636010A successfully refreshed from Google Patents.
US3636010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of steroid-17-carboxylic acids
Assignee: Novartis Corp
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Filing: 1969-12-10
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Granted: 1972-01-18
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Expires: 1989-12-10
Abstract
Abstract ESTER OF $1,4-16X-METHYL - 6X,9X -DIFLUORO -11B, 17XDIHYDROXY-3-OXO-ANDROSTADIENE-17-CARBOXYLIC ACID, ITS DEHYDRO DERIVATIVE AND THE CORRESPONDING COMPOUNDS HAVING AN 11-OXO GROUP INSTEAD OF THE 11B-HYDROXY GROUP HAVING GOOD ANTI-INFLAMMATORY AND THYMOLYTIC ACTIVITY.
Inventors
- 👤 Georg Anner
- 👤 Charles Meystre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:10
CPC Classifications
C; C07; C07J; C07J75/00
Claims Analysis
Total Claims: 0
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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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |