US3639404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylthiocarbonyldecahydroquinolines
Assignee: Velsicol Chemical LLC
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Filing: 1968-12-13
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Granted: 1972-02-01
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Expires: 1988-12-13
Abstract
Abstract THE INVENTION DISCLOSES NEW CHEMICAL COMPOUNDS LOF THE FORMULA 1-(R-S-CO-),(X1)M,(X2)N-DECAHYDROQUINOLINE WHEREIN X1 AND X2 ARE ALKYL; M AND N ARE INTEGERS FROM 0 TO 3, PROVIDED THAT M+N IS FROM 0 TO 3; AND R IS ALKKYL. THE COMPOUNDS OF THE ABOVE DECRIPTION ARE USEFUL AS HERBICIDES.
Inventors
- 👤 Sidney B Richter
- 👤 Alfred A Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:39
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/04; C07D215/08
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |