Patent US2327268A successfully refreshed from Google Patents.
US3755360A
Expired / Lapsed
US
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2,3,4,5-tetrahydro-7h-(1,3)diazepino-(2,1-a)isoindoles
Assignee: Sandoz AG
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Filing: 1967-03-23
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Granted: 1973-08-28
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Expires: 1987-03-23
Abstract
Abstract THE COMPOUNDS ARE OF THE CLASS OF 7-HYDROXY-7-ARL2,3,4,5-TETRAHYDRO-H-(1,3)DIAZEPINO(2,1-A)ISOINDOLES WHICH ARE USEFUL AS ANORECTIC AGENTS AND ARE PREPARED BY ISOMERICATION OF THE CORRESPONDING 11B-ARYL-1,2,3,4,5,11BHEXAHYDRO-7H-(1,3)DIAZEPINO(2,1-A)ISOINDOL-7-ONES.
Inventors
- 👤 W Houlihan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |