US3741973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygenated 3-azabicyclo(3.3.1)nonanes
Assignee: Pharmacia and Upjohn Co
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Filing: 1970-10-23
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Granted: 1973-06-26
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Expires: 1990-10-23
Abstract
Abstract OXYGENATED AZABICYCLONONONANES OF THE FORMULA: 3-Z2,7-Y-3-AZABICYCLO(3.3.1)NONANE WHERE C8 IS W1 WHEREIN W1 IS SELECTED FROM THE GROUP CONSISTING OF THE CARBONYL, ALKYLENEDIOXYMETHYLENE, HYDROXYMETHYLENE AND ACYLOXYMETHYLENE, WHEREIN Z2 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, -CO-R, -CH2-R, -SO2-R, AND -COO-R1 IN WHICH R IS ARYL AND R1 IS ARALKYL AND Y IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, HYDROXY AND ALKOXY. THE COMPOUNDS OF THE ABOVE FORMULA ARE PARTICULARLY VALUABLE AS CENTRAL NERVOUS SYSTEM STIMULANTS.
Inventors
- 👤 H Murray
- 👤 G Fonken
- 👤 M Herr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:58
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/16; C07D211/18; C07D211/20; C07D211/22; C07D211/30; C07D211/32; C07D211/36; C07D211/40; C07D211/42; C07D211/44; C07D211/46; C07D211/48; C07D211/68; C07D211/72; C07D211/74; C07D295/00; C07D295/04; C07D295/10; C07D295/16; C07D295/18; C07D295/182; C07D295/192; C07D295/22; C07D295/26; C07D453/00; C07D453/06; C07D491/00; C07D491/02; C07D491/10
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |