US3635985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-phenyl-4-acyloxycarbostyrils
Assignee: Sumitomo Pharma Co Ltd
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Filing: 1970-01-27
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Granted: 1972-01-18
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Expires: 1990-01-27
Abstract
Abstract A 3-PHENYL-4-ACYLOXYCARBOSTYRIL OF THE FORMULA: 2-(O=),3-PHENYL,4-(R-COO-)-1,2-DIHYDROQUINOLINE WHEREIN R IS METHYL OR ETHOXY PREPARED BY TREATING 3PHENYL-4-HYDROCARBOXTYRIL WITH AN ACYLATING AGENT, WHICH IS USEFUL AS A MINOR TRAQUILIZER WITH LESS SIDE EFFECT AND LOW TOXICITY.
Inventors
- 👤 Haruki Nishimura
- 👤 Yasutaka Nagai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:08
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |