Patent US3801624A successfully refreshed from Google Patents.
US3801624A
Expired / Lapsed
US
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Di-substituted beta-phenethylcarbamic acid esters
Assignee: Aldrich Chemical Co Inc
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Filing: 1970-12-09
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Granted: 1974-04-02
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Expires: 1990-12-09
Abstract
Abstract DI-SUBSTITUTED B-PHENYLCARBAMIC ACID ESTERS. THE COMPOUNDS ARE USEFULAS ANTIDEPRESSANTS AND ANTI-PARKINSONISM AGENTS.
Inventors
- 👤 John Hans Biel
- 👤 Irwin Lee Klundt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:12
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; C07C; C07C265/00
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |