US4282233B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihistaminic 11-(4-piperidylidene)-5h-benzoÄ5,6Ü-cyclohepta-Ä1,2Ü-pyridines
Assignee: Merck Sharp & Dohme LLC
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Filing: 1980-06-19
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Granted: 2000-09-05
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Expires: 2000-06-19
Abstract
Abstract The invention concerns compounds of the general formulaThe compounds are antihistamines with little or no sedative effects.
Inventors
- 👤 Frank J Villani
- 👤 West Caldwell
- 👤 Charles V Magatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04; A; A61; A61P; A61P37/00; A61P37/08; A61P43/00
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) | 2003-09-05 | 2004-03-06 | 2004-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-05 | 2008-03-06 | 2008-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-05 | 2012-03-06 | 2012-09-05 | $7700.00 | Window Closed / Lapsed |