US3647794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-triazine compounds
Assignee: EN NOM COLLECTIF SCIENCE UNION
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Filing: 1969-09-26
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Granted: 1972-03-07
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Expires: 1989-09-26
Abstract
Abstract 1-(4,6,R''-AMINO-2-S-TRIAZINYL)-4-R - PIPERAZINES WHEREIN R'' IS ALKENYL OR ALKYNYL WHICH ARE OPTIONALLY SUBSTITUTED AND R IS HYDROGEN, PHENYL, PYRIDYL, PYRIMIDYL, PYRAZINYL, BENZYL, PHENYLALKYL OR DIPHENYLALKYL WHICH ARE OPTIONALLY SUBSTITUTED, HAVING RESPIRATORY ANALEPTIC PROPERTIES.
Inventors
- 👤 Gilbert Regnier
- 👤 Roger Canevari
- 👤 Michel Laubie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:52
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/06; C07D295/073; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/53; C07D403/00; C07D403/02; C07D403/04
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |