US3600392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(9,10 - dihydrothieno-(3,2-b)(1)benzo-thiepin-10-yl)-piperazine and homo-piperazine derivatives
Assignee: Novartis Corp
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Filing: 1968-05-13
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Granted: 1971-08-17
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Expires: 1988-05-13
Abstract
Abstract THE COMPOUNDS ARE OF THE CLASS OF THIEPIN DERIVATIVES, MORE PARTICULARLY BENZP THIENO THIEPIN DERIVATIVES SUBSTITUTED IN 10-POSITION BY PIPERAZINYL WHICH MAY BE SUBSTITUTED. THE COMPOUNDS ARE USEFUL AS CENTRAL DEPRESSANTS, IN PARTICULAR SEDATIVES AND TRANQUILIZERS. AN ILLUSTRATIVE EMBODIMENT IS 1-(9,10-DIHYDRO THIENO(3,2-B)(1)BENZOTHIEPIN-10-YL)-4-METHYL PIPERAZINE.
Inventors
- 👤 Armin Zust
- 👤 Walter Schindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:34
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/02; C07D495/04; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |