US3794685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-substituted biguanides
Assignee: William H Rorer Inc
•
Filing: 1972-04-27
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Granted: 1974-02-26
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Expires: 1992-04-27
Abstract
Abstract NOVEL 1-ARYL AND ARALKYL BIGUANIDE COMPOUNDS HAVE BEEN PREPARED. THE COMPOUNDS OF THIS INVENTION POSSESS USEFUL GASTRIC ANTISECRETORY AND SPASMOLYTIC PROPERTIES. COMPOUNDS OF THIS TYPE WHICH ALSO DISPLAY ANTIHYPERTENSIVE AND CHS DEPRESSANT PROPERITIES ARE ALSO DISCLOSED.
Inventors
- 👤 B Burns
- 👤 J Diamond
- 👤 G Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:52
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/30; C07C311/45; C07C311/47; C07C279/00; C07C279/20; C07C279/24; C07C279/26
Claims Analysis
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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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |