Patent US3291799A successfully refreshed from Google Patents.
US3291799A
Expired / Lapsed
US
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Isoquinoline carboxamidine
Assignee: F Hoffmann La Roche AG
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Filing: 1964-09-21
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Granted: 1966-12-13
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Wenner Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:08
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/06; A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2951843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |