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US3758481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ridine m-(2,4-dichloro - 5-(haloalkoxy)-phenylcarbomoyl)-pyrrolidine or pipe
Assignee: Bayer AG
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Filing: 1972-06-16
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Granted: 1973-09-11
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Expires: 1992-06-16
Abstract
Abstract NEW UREA COMPOUNDS OF THE FORMULA (2,4-DI(CL-),5-(R-O-)PHENYL)-NH-CO-N<(-(CH2)N-) WHEREIN R IS HALOGEN-SUBSTITUTED LOWER ALKYL, I.E., ALKYL OF FROM 1 TO 6, PREFERABLY 1 TO 4, CARBON ATOMS, AND N IS 4 OR 5 ARE EXCELLENT HERBICIDES, PARTICULARLY SELECTIVE HERBICIDES USABLE IN RICE CULTIVATION.
Inventors
- 👤 N Fukazawa
- 👤 T Tamura
- 👤 M Hya
- 👤 J Saito
- 👤 K Kurihara
- 👤 N Morishima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:57
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/215
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |