US3786095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5,11-dihydro-10h-dibenzo(a,d)cyclohepten-10-ones
Assignee: F Hoffmann La Roche AG
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Filing: 1971-08-04
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Granted: 1974-01-15
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Expires: 1991-08-04
Abstract
Abstract 5-(3-(SUBSTITUTED AMINO) - ALKYLIDENE)-5-11-DIHYDRO10H- - DIBENZO(A,D)CYCLOHEPTEN - 10 ONES, 5-(3-(SUBSTITUTED AMINO)-ALKYL-5,11-DIHYDRO-10H - DIBENZO(A,D)CYCLOHEPTEN-10-ONES AND ANALOGS THEREOF ARE PREPARED INTEALIA, FROM THE CORRESPONDINGLY SUBSTITUTED 3-(10-X-5HDIBENZO(A,D)CYCLOHEPTEN-5- YLIDENE)-N-SUBSTITUTED ALKYL AMINES AND 3-(10 - X- 5H-DIBENZO(A,D)CYCLOHEPTENYL)N-SIBSTUTUTED ALKYL AMINES, WHEREIN X IS HALOGEN, ALOXY, ARALKOXY, AMINO OR SUBSTITUTED AMINO. THE PRODUCT ARE USEFUL AS ANTIDEPRESSANTS.
Inventors
- 👤 E Kyburz
- 👤 H Spiegelberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:44
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |