US3763169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isonipecotic acid compounds
Assignee: Science Union et Cie
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Filing: 1971-11-22
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Granted: 1973-10-02
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Expires: 1991-11-22
Abstract
Abstract ISONIPECOTIC ACID COMPOUNDS OF THE FORMULA: (4-(R-OOC-)PIPERIDIN-1-YL)-CH<(-(X,Y-1,2-PHENYLENE)-A- (1,2-PHENYLENE)-) WHEREIN A IS -CH2-CH2-, -CH=CH-, -CH2-SOR -CH2-OX AND Y ARE HYDROGEN, HALOGEN OR LOWER ALKOXY, AND R IS HYDROGEN OR LOWER ALKYL. THESE COMPOUNDS POSESS GASTRIC ANTISECRETORY AND ANTIULCER PROPERTIES.
Inventors
- 👤 C Malen
- 👤 X Pascaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:11
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/04
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |