US3825632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorus-containing amidines
Assignee: Zeneca Inc
•
Filing: 1972-07-24
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Granted: 1974-07-23
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Expires: 1992-07-24
Abstract
Abstract COMPOUNDS OF THE FORMULA: R-P(=X)(-R1)-N=C(-R2)-NH2 IN WHICH R IS LOWER ALKYL OR LOWER ALKOXY: R1 IS LOWER ALKOXY OR LOWER ALKYLTHIO R3 IS HYDROGEN, LOWER ALKYL PHENYL: MONO OR DI-SUBSTITUTED PHENYL: AND X IS OXYGEN WHEN R1 IS LOWER ALKYLTHIO AND SULFUR WEN R1 IS LOWER ALKOXY AS INSECTICIDES AND ACARICIDES, AND A PROCESS FOR PREPARING THE COMPOUNDS ABOVE HAVING X BE OXYGEN.
Inventors
- 👤 F Pallos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:05
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2458; C07F9/28; C07F9/38; C07F9/44; C07F9/4461; C07F9/4465
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |