Patent US3631102A successfully refreshed from Google Patents.
US3631102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-aminoalkyl-2 5-cyclohexadiene-1-carboxamides
Assignee: ER Squibb and Sons LLC
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Filing: 1969-04-23
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Granted: 1971-12-28
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Expires: 1989-04-23
Abstract
Abstract THIS INVENTION RELATES TO NEW N-AMINOALKYL-2,5-CYCLOHEXADIENE-1-CARBOXAMIDES OF THE GENERAL FORMULA 1-(R1-N(-R2)-(CH2)N-NH-CO-),2-R6,3-R5,5-R3,6-R2- 2,5-CYCLOHEXADIENE AND TO ACID ADDITION SALTS THEREOF. THEY ARE USEFUL AS ANTI-FIBRILLATORY AGENTS.
Inventors
- 👤 Venkatachala Lakshmi Narayanan
- 👤 Frederic Peter Hauck
- 👤 Frank Lee Weisenborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:36
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/14
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |