US3579579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 7- and/or 9-amino-6-demethyl-6-deoxytetracyclines
Assignee: Wyeth Holdings LLC
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Filing: 1968-04-18
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Granted: 1971-05-18
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Expires: 1988-04-18
Abstract
Abstract THIS DISCLOSURE DESCRIBES COMPOUNDS OF THE CLASS OF 7OR 9-DI(LOWER ALKYL)AMINO-6-DEMETHYL-6-DEOXYTETRACYCYLINES AND 7-MONOALKYLAMINO-6-DEMETHYL-6-DEOXYTETRACYCLINES USEFUL AS ANTIBACTERIAL AGENTS.
Inventors
- 👤 Joseph J Hlavka
- 👤 Adma Schneller Ross
- 👤 Michael Joseph Martell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:04
CPC Classifications
C; C07; C07C; C07C233/00
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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |