Patent EP0193770A2 successfully refreshed from Google Patents.
US3741978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain o,o-di (c1 and c2 alkyl) phosphorodithioate and phosphorothioate esters useful as insecticides and acaricides
Assignee: BOOTS HERCULES AGROCHEMICALS Co A PARTNERSHIP OF
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Filing: 1971-04-21
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Granted: 1973-06-26
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Expires: 1991-04-21
Abstract
Abstract DISCLOSED ARE COMPOUNDS OF THE FORMULA: 1,4-DI(O=),1-R3,3-((R1-O)2-P(=Y)-S-CH(-R2)-),5-R4- IMIDAZOLIDINE IN WHICH Y IS O OR S, EACH R1 IS SELECTED FROM THE GROUP CONSISTING OF CH3 OR C2H5, AND R2, R3 AND R4 ARE H OR CH3 WITH AT LEAST ONE OF R2 AND R3 BEING CH3,AND THE USE OF THESE COMPOUNDS AS INSECTICIDES AND ACARICIDES.
Inventors
- 👤 J Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:27
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6503; C07F9/6506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |