US3780023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-aralkylamino-4,5-dihydro-3h-1,3-benzodiazepines
Assignee: Individual
•
Filing: 1972-06-30
•
Granted: 1973-12-18
•
Expires: 1992-06-30
Abstract
Abstract THE 2-ARALKYLAMINO-4,5-DIHYDRO-3H-1,3-BENZODIAZEPINES AND THEIR PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS ARE CENTRAL NERVOUS SYSTEM DEPRESSANTS POSSESSING TRANQUILIZING ACTIVITY. A COMPOUND DISCLOSED IS 2-BENZYLAMINO-4,5-DIHYDRO-3H-1,3-BENZODIAZEPINE HYDROCHLORIDE.
Inventors
- 👤 J Suh
- 👤 R Schnettler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:39
CPC Classifications
C; C07; C07D; C07D243/00; C07D243/04
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) | 1976-12-17 | 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 |