US3591603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3(3-indole) - lower-alkylamines
Assignee: Arthur D Little Inc
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Filing: 1968-05-13
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Granted: 1971-07-06
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Expires: 1988-05-13
Abstract
Abstract NEW 3-INDOLEGLYOXAMIDES AND (3-INDOLE)-LOWER-ALKYLAMINES HAVING USEFUL C.N.S. DEPRESSANT ACTIVITY AND PREPARED, RESPECTIVELY, BY REACTION OF A 3-INDOLEGLYOXALYL HALIDE OR A (3-INDOLE)-LOWER-ALKYL HALIDE WITH AN APPROPRIATE AMINE.
Inventors
- 👤 Zinon B Papanastassiou
- 👤 John L Neumeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:01
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/16
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |