Patent US3678094A successfully refreshed from Google Patents.
US3678094A
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US
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Substituted anilino carboxylic acids
Assignee: Merck and Co Inc
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Filing: 1970-04-20
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Granted: 1972-07-18
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Expires: 1990-04-20
Abstract
Abstract New substituted anilino carboxylic acids and non-toxic pharmaceutically acceptable salts, esters, amides, and various derivatives thereof are claimed. The substituted anilinocarboxylic acids described herein have anti-inflammatory, antipyretic, and analgesic activity. Also included is a method of preparing said anilino carboxylic acids and method of treatment using certain of these substituted anilino carboxylic acids.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Bruce E Witzel
- 👤 Gordon L Walford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:47
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
21 words
A compound of claim 1 wherein X is fluoro; R is hydrogen; R1 is hydroxy; R2 is hydrogen; R3 is hydrogen;
Claim 2
Dependent Claim
21 words
A cOmpound of claim 1 wherein X is fluoro; R is methyl; R1 is hydroxy; R2 is hydrogen; R3 is hydrogen.
Claim 3
Dependent Claim
21 words
A compound of claim 1 wherein X is fluoro; R is methyl; R1 is methoxy; R2 is hydrogen; R3 is hydrogen.
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |