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US3816429A
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US
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Tetrahydroisoxazolo(5,4-c)isoquinolines
Assignee: Novartis Corp
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Filing: 1971-08-10
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Granted: 1974-06-11
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Expires: 1991-08-10
Abstract
Abstract 4-AMINOALKYL-3A,4,5,9B-TETRAHYDROISOXAZOLO(5,4-C) ISOQUINOLINES, E.G. THOSE OF THE FORMULA 1-R1,3A-R2,4-(AM-CNH2N-),5-R3-3A,4,5,9A-TETRAHYDRO- ISOXAZOLO(5,4-C)ISOQUINOLINE R1=ALIPHATIC, CYCLOALPHATIC, ARALIPHATIC OR AROMATIC RADICAL R2=H OR ALKYL RADICAL R3=H OR R1, N=2=7 AM=AN AMINO GROUP OR SALTS THEREOF ARE TRANQUILIZERS.
Inventors
- 👤 N Finch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:44
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/10; C07C; C07C57/00; C07C57/02; C07C57/13; C07C57/145; C07D217/04; C07D217/22; C07D217/26
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |