Patent US3780062A successfully refreshed from Google Patents.
US3780062A
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US
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Indoline derivatives
Assignee: F Hoffmann La Roche AG
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Filing: 1971-10-21
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Granted: 1973-12-18
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Expires: 1991-10-21
Abstract
Abstract INDOLINE DERIVATIVES SUBSTITUTED IN THE 1-POSITION WITH HYDROGEN, ALKANOYL, BENZOYL, ALKOXY-CARBONYL OR O-NITROPHENYLTHIO, IN THE 2-POSITION WITH A CARBOXY OR ESTER GROUP AND THE 5- AND 6-POSITIONS WITH AN ALKANOYLOXY OR ALKOXY GROUP, WHICH ARE USEFUL AS HYPOTENSIVE, ANTIPYRETIC AND ANTI-PARKINSON AGENTS.
Inventors
- 👤 A Kaiser
- 👤 W Koch
- 👤 U Wolcke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:57
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/42
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |