US3905972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tricyclic imines
Assignee: F Hoffmann La Roche AG
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Filing: 1974-01-14
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Granted: 1975-09-16
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Expires: 1994-01-14
Abstract
Abstract WHEREIN R1, X and m are as hereinafter described, are disclosed. The compounds of formula I are useful as antidepressants, as well as anticonvulsants and agents for the treatment of Parkinsonism. Tricyclic imines of the formula WHEREIN R1, R2, R3, R4, X, m and n are as hereinafter described, PREPARED FROM THE CORRESPONDING KETONES OF THE FORMULA
Inventors
- 👤 Philippe Dostert
- 👤 Emilio Kyburz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:01
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/32; C07C65/34; C07C65/36
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
9 words
A compound in accordance with claim 1, 3-chloro-N-(2-morpholinoethyl)-10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5 -imine.
Claim 4
Dependent Claim
9 words
A compound in accordance with claim 1, 3-chloro-N-(2-(4-methylpiperazino)-ethyl)-10,11-dihydro-5H-dibenzo(a, d)cyclohepten-5-imine.
Claim 5
Dependent Claim
8 words
A compound in accordance with claim 1, N-(2-piperidino-ethyl)-10,11-dihydro-5H-dibenzo(a,d)cyclohepten-5-imine.
Claim 6
Dependent Claim
9 words
A compound in accordance with claim 1, N-(2-(4-hydroxypropyl-piperazino)-ethyl)-10,11-dihydro-5H -dibenzo(a,d)cyclohepten-5-imine.
References Cited (Backward Citations)
US3505321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-15 | 1979-03-17 | 1979-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-15 | 1983-03-17 | 1983-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-15 | 1987-03-17 | 1987-09-16 | $7700.00 | Window Closed / Lapsed |