US4528376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-(4-Piperidyl)-1,2-benzisoxazoles
Assignee: Aventis Pharmaceuticals Inc
•
Filing: 1983-05-09
•
Granted: 1985-07-09
•
Expires: 2003-05-09
Abstract
Abstract Novel 3-(4-piperidyl)-1,2-benzisoxazoles, intermediates and processes for the preparation thereof, and methods for alleviating pain utilizing compounds or compositions thereof are disclosed.
Inventors
- 👤 Joseph T. Strupczewski
- 👤 Beth A. Gardner
- 👤 Richard C. Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:02
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/26; C07D211/28; C07D211/30; C07D211/32; C07D211/36; C07D211/60; C07D211/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
3-(1-Formyl-4-piperidyl)-6-fluoro-1,2-benzisoxazole.
Claim 2
Dependent Claim
1 words
3-(1-Formyl-4-piperidyl)-6-fluoro-1,2-benzisoxazole.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |