US3814771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-phenyl-2-piperidones and 5-phenyl-2-thiopiperidones
Assignee: Individual
•
Filing: 1972-07-19
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Granted: 1974-06-04
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Expires: 1992-07-19
Abstract
Abstract NOVEL 5-PHENYL-2-PIPERIDONE AND 5-PHENYL-2-THIOPIPERIDONE COMPOUNDS AND THE PROCESSES FOR PREPARING THE SAME ARE DISCLOSED. THE ADDITION THE INVENTION CONCERNS PIPERIDONES AND THIOPIPERIDONES WHICH EXHIBIT ANTI-INFLAMMATORY PROPERTIES AND ALSO POSSESS AN EFFECTIVE DEGREE OF ANTIPYRETIC AND ANALGESIC ACTIVITY.
Inventors
- 👤 T Shen
- 👤 B Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:15
CPC Classifications
C; C07; C07C; C07C255/00; C07D; C07D211/00; C07D211/02; C07D211/04; C07D211/68; C07D211/72; C07D211/74; C07D211/76
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |