US3567742A
Expired / Lapsed
US
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Diethyl alpha-fluoro-alpha-substituted malonates
Assignee: Gruppo Lepetit SpA
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Filing: 1968-05-03
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Granted: 1971-03-02
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Expires: 1988-05-03
Abstract
Abstract THE INVENTION IS CONCERNED WITH DIETHYL A-FLUORO-A-ARYLMALONATE AND DIETHYL A-FLUORO-A-(2-DIBENZOFURANYL)-MALONATE AND A PROCESS FOR THEIR PREPARATION. THE NEW SUBSTANCES POSSESS HIGH ANTIINFLAMMATORY ACTIVITY.
Inventors
- 👤 Bruno Cavalleri
- 👤 Elvio Bellasio
- 👤 Emilio Testa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:43
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/91; C07D333/00; C07D333/50; C07D333/76
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |