US3609167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
IBENZO{8 b,e{9 {0 THIEPINES
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1962-04-02
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Granted: 1971-09-28
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Expires: 1982-04-02
Abstract
Abstract Disclosed are dibenzo (b,e) -oxepin and dibenzo (b,e) thiepin11-one useful as intermediates for the preparation of corresponding 11-aminoalkylated derivatives which have pharmaceutical activity.
Inventors
- 👤 Charles L Zirkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:57
CPC Classifications
C; C07; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/12; C07C; C07C65/00; C07C65/21; C07C65/24; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
11-(3-Dimethylaminopropyl)dibenzo( b,e)thiepin.
Claim 2
Dependent Claim
5 words
The compound of the formula:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |