Patent US3703519A successfully refreshed from Google Patents.
US3703519A
Expired / Lapsed
US
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Piperazinium mono(acetylsalicylate)
Assignee: Individual
•
Filing: 1970-07-15
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Granted: 1972-11-21
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Expires: 1990-07-15
Abstract
Abstract PIPERAZINIUM MONO(ACETYLSALICYLATE), USEFUL FOR ITS ANALGESIC, ANTI-PYRETIC, AND ANTI-IMFLAMMATORY EFFECTS, AND THE METHOD OF MAKING IT BY ADMIXTURE OF ETHER SOLUTIONS OF ACETYLSALICYCLIC ACID AND PIPERAZINE.
Inventors
- 👤 Edward Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:02
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/84; C07C69/86; C07D; C07D241/00; C07D241/02; C07D241/04; C07D295/00; C07D295/02; C07D295/027
Claims Analysis
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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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |