US3585193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclic compounds
Assignee: EN NOM COLLECTIF SCIENCE UNION
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Filing: 1968-11-08
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Granted: 1971-06-15
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Expires: 1988-11-08
Abstract
Abstract 1-(3'',4''-METHYLENEDIOXYBENZYL)-PIPERAZINES SUBSTITUTED IN 4-POSITION BY (1) PYRIMIDIN-4-YL, PYRAZINYL, S-TRIAZINYL, OR QUINAZOLINYL UNSUBSTITUTED OR SUBSTITUTED BY ONE OR TWO ALKYL, ALKOXY OR AMINO GROUPS, OR (2) PYRIMIDIN-2-YL MONOSUBSTITUTED BY HALOGEN, CARBOXY, CARBALKOXY, OR CARLAKOXYMETHOXY, OR DISUBSTITUTED BY ALKOXY AND CARBOXY OR CARBALKOXY. THESE COMPOUNDS POSSES BRONCHODILATING AND PERIPHERAL VASODILATING PROPERTIES.
Inventors
- 👤 Gilbert Regnier
- 👤 Roger Canevari
- 👤 Michel Laubie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:04
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/14; C07D239/00; C07D239/02; C07D239/24; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/22; C07D405/02; C07D405/06
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |