US3661927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-imidazolin-2-yl alkylene derivatives of benzazocines and benzothiazocines
Assignee: UCB SA
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Filing: 1969-02-05
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Granted: 1972-05-09
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Expires: 1989-02-05
Abstract
Abstract HETEROCYCLIC COMPOUNDS WITH ANTI-ARRHYTHMIC, PSYCHOSTIMULANT, ANTISPASMODIC, CARDIOVASCULAR, ANTIDEPRESSIVE AND ANTHISTAMINIC PROPERTIES HAVING THE FORMULA (R''-)(-(A-1,2-PHENYLENE)-X-(CH2)M-)>N-R"''-C<(=N-(CH2)P- N(-R)-)(-R") WHEREIN A IS HYDROGEN, HALOGEN, CYANO, ALKYL, ALKOXY, ACYL OR HALOALKYL, X IS METHYLENE OR SULFUR, R,R'',R" ARE EACH HYDROGEN OR ALKYL, R''" IS A STRAIGHT OR BRANCHED CHAIN ALKYLENE RADICAL HAVING 1 TO 4 CARBON ATOMS, M IS A WHOLE NUMBER FROM 2 TO 4, AND P IS A WHOLE NUMBER FROM 2 TO 5, THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, AND METHODS FOR PREPARING THE SAME.
Inventors
- 👤 Dusan Zivkovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:58
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/16; C07C; C07C51/00; C07C51/09; C07C51/347; C07C51/377; C07C51/38; C07D281/00; C07D281/18
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |