US3780177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17-butyrate,21-ester derivatives of 6alpha,9alpha-difluoroprednisolone,compositions and use
Assignee: Warner Lambert Co LLC
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Filing: 1971-11-10
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Granted: 1973-12-18
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Expires: 1991-11-10
Abstract
Abstract THERE HAVE BEEN PREPARED THE NEW 17-BUTYRATES, 21ESTERS OF 6A,9A-DIFLUOROPREDNISOLONE USEFUL AN ANTI-INFLAMMATORY AGENTS. THEY MAY BE MIXED WITH SUITABLE PHARMACEUTICAL CARRIERS TO OBTAIN PHARMACEUTICAL COMPOSITIONS FOR THE SYSTEMIC AND LOCAL TREATMENT OF INFLAMMATORY CONDITIONS AND DISEASES.
Inventors
- 👤 A Ercoli
- 👤 R Gardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
C; C07; C07J; C07J5/00; 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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |