Patent US2959245A successfully refreshed from Google Patents.
Patent US3591692A successfully refreshed from Google Patents.
US3591692A
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US
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Anti-inflammatory compositions containing halogenated heterocyclic acids and methods of using them
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1968-06-04
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Granted: 1971-07-06
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Expires: 1988-06-04
Abstract
Abstract PHARMACEUTICAL COMPOSITIONS CONTAINING DOSAGE UNITS OF COMPOUNDS OF THE FORMULA: 4-(HOOC-),R-ACRIDAN WHERE C-9 IS REPLACED BY Z IN WHICH R IS A HALOGEN SUCH AS FULORO, BROMO OR CHLORO OR A TRIFLUOROMETHYL AND Z IS SULFUR OR OXYGEN HAVE ANTI-INFLAMMATORY ACTIVITY. THE ACTIVE INGREDIENT ARE PREPARED BY A SMILES REARRANGEMENT FOR THE PHENOTHIACINE SERIES (WHEN Z IS SULFUR) OR A RING CLOSURE OF A 3-(2''-ACYLAMINOPHENOXY)-2-CHLOROBENZOIC ACID FOR THE PHENOXAZINE SERIES (WHEN Z IS OXYGEN).
Inventors
- 👤 Blaine M Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:32
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/34; C07D265/38
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |