US3780104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxy acetals
Assignee: Zeneca Inc
•
Filing: 1971-03-15
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Granted: 1973-12-18
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Expires: 1991-03-15
Abstract
Abstract META-PHENOXY ACETALS HAVING THE FORMULA 1-(R1-O-CH(-O-R)-CH2-O-),3-(R2-C(=X)-NH-)BENZENE IN WHICH X IS OXYGEN OR SULFUR, R AND R1 ARE INDEPENDENTLY LOWER ALKYL, R AND R1 TAKEN TOGETHER ARE ETHYENE OR TRIMETHYLENE, R2 IS ALKYL, MONOCYCLOHEXYLAMINO, MONOALKYLAMINO, MONOALKENYLAMINO, DIALKYLAMINO, ALKOXY, ALKYLTHIO, HALOALKYL, SUBSTITUTED-PHENYL WHEREIN SAID SUBSTITUENTS ARE METHYL, MONOCHLORO OR DICHLORO. THE COMPOUNDS ARE USEFUL AS HERBICIDES.
Inventors
- 👤 E Teach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:58
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/04; C07C335/16; C07C335/18; C07C275/00; C07C275/28; C07C275/32; C07C275/34; C07D; C07D319/00; C07D319/04; C07D319/06
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |