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Patent US3927006A successfully refreshed from Google Patents.
US3927006A
Expired / Lapsed
US
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Tetrahydropyridine derivatives
Assignee: F Hoffmann La Roche AG
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Filing: 1975-01-13
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Granted: 1975-12-16
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Expires: 1995-01-13
Abstract
Abstract Tetrahydropyridine derivatives and processes for the preparation thereof are disclosed. These tetrahydropyridine compounds are useful as psychosedative agents.
Inventors
- 👤 Albrecht Edenhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:06
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/04; C07D265/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3706755A
Cited
US3674799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |