US3657431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating of inflammation with substituted phenylthiosalicylic acids
Assignee: Merck and Co Inc
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Filing: 1969-06-25
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Granted: 1972-04-18
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Expires: 1989-06-25
Abstract
Abstract NEW SUBSTITUTED PHENYLTHIOSALICYCLIC ACIDS AND NONTOXIC PHARMACEUTICALLY ACCEPTABLE SALTS, ESTERS, ANHYDRIDES, AND AMIDES DERIVED THEREFROM. THE SUBSTITUTED PHENYLTHIOSALICYLIC ACIDS DESCRIBED HEREIN HAVE ANTI-INFLAMMATORY, ANTI-PYRETIC, AND ANALGESIC ACTIVITY. ALSO INCLUDED ARE METHODS FOR PREPARING SAID PHENYLTHIOSALICYLIC ACID COMPOUNDS.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Gordon L Walford
- 👤 Bruce E Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:22
CPC Classifications
C; C07; C07C; C07C317/00
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |