US3631043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di- and triphenylpropyl piperazine compounds
Assignee: EN NOM COLLECTIF SCIENCE UNION
•
Filing: 1968-03-08
•
Granted: 1971-12-28
•
Expires: 1988-03-08
Abstract
Abstract 1-(DI- AND TRIPHENYLPROPYL PIPERAZINES SUBSTITUTED IN 4POSITION BY: PYRIDYL, PYRIDAZIN-2-YL, PYRAZIN-2-YL, S-TRIAZINYL, THIAZOL-2-YL, IMIDAZOL-2-YL, ISOXAZOLYL, 1,2,4-THIADIAZOLYL, 1,2,4-OXADIAZOLYL, TETRAZOL-5-YL; ALL THESE HETEROCYCLIC RADICALS BEING OPTIOALLY SUBSTITUTED BY ONE OR MORE LOWER-AKYL UP TO C5 INCLUSIVE, AMINO, MONO-LOWER ALKYLAMINO OR ALKYLENEAMINO. THESE COMPOUNDS POSSESS ANALGESIC, ANTI-INFLAMMATORY AND ANTITUSSIVE PROPERTIES.
Inventors
- 👤 Gilbert Regnier
- 👤 Sceaux Village
- 👤 Roger Canevari
- 👤 Jean-Claude Le Douarec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:55
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04; C07D241/00; C07D241/02; C07D241/10; C07D241/14; C07D241/20; C07D401/00; C07D401/02; C07D401/04; C07D403/00; C07D403/02; C07D403/04; C07D413/00; C07D413/02; C07D413/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |