Patent US3655693A successfully refreshed from Google Patents.
US3655693A
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US
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Anti-inflammatory salicyclic acid derivatives
Assignee: Merck and Co Inc
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Filing: 1969-06-25
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Granted: 1972-04-11
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Expires: 1989-06-25
Abstract
Abstract SALICYLIC ACID DERIVATIVES AND THEIR NON-TOXIC PHARMACEUTICALLY ACCEPTABLE SALTS, ESTERS AND AMIDES ARE CLAIMED. ALSO ENCOMPASSED IS THE TREATMENT OF INFLAMMATION WITH SAID DERIVATIVES.
Inventors
- 👤 Tsung-Ying Shen
- 👤 Bruce E Witzel
- 👤 Gordon L Walford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:31
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D307/38; C07D307/54; C07D307/70; C07D307/71; C07D307/72; C07D307/73; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; C07D333/26; C07C; C07C2601/00; C07C2601/06; C07C2601/10
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |