Patent US3823235A successfully refreshed from Google Patents.
US3823235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain o-(2-pyrimidyl)phosphates and their use as insecticides
Assignee: BOOTS HERCULES AGROCHEMICALS Co A PARTNERSHIP OF
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Filing: 1973-02-26
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Granted: 1974-07-09
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Expires: 1993-02-26
Abstract
Abstract DISCLOSED ARE COMPOUNDS OF THE FORMULA: 2-(R''O-P(=X)(-OR")-O-),5-R-PYRIMIDINE IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF H, F, CL, BR AND I, R'' AND R" ARE SELECTED FROM THE GROUP CONSISTING OF CH3 AND C2H5, AND X IS SELECTED FROM THE GROUP CONSISTING OF O AND S. THESE COMPOUNDS HAVE UTILITY AS INSECTICIDES.
Inventors
- 👤 A Haubein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6509; C07F9/6512
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |