US3703582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl pyridine carboxylic acids in the treatment of inflammation
Assignee: Merck and Co Inc
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Filing: 1970-04-20
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Granted: 1972-11-21
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Expires: 1990-04-20
Abstract
Abstract ARYL PYRIDINE CARBOXYLIC ACIDS AND THEIR DRRIVATIVES ARE DESCRIBED AND THE PROCESSES FOR PREPARING THE SAME ARE DISCLOSED. THESE COMPOUNDS EXHIBIT ANTI-INFLAMMATORY PROPERTIES AND ALSO POSSESS AN EFFECTIVE DEGREE OF ANTIPYRETIC AND ANALGESIC ACTIVITY.
Inventors
- 👤 Tsung-Ying Shen
- 👤 William V Ruyle
- 👤 Gordon L Walford
- 👤 Bruce E Wilzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:58
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/44; C07D213/53; C07C; C07C205/00; C07C205/45; C07C45/00; C07D213/26; C07D213/60; C07D213/61; C07D213/62; C07D213/63; C07D213/65; C07D213/72; C07D213/73; C07D213/78; C07D213/79; C07D213/81; C07D213/84; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
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References Cited (Backward Citations)
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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 |