US3755507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O,o-dihydrocarbyl-n-alkylthio- or narylthio phosphoroamidothioate
Assignee: Chevron USA Inc
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Filing: 1971-06-21
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Granted: 1973-08-28
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Expires: 1991-06-21
Abstract
Abstract COMPOUNDS OF THE FORMULA R-O-P(=O)(-S-R1)-N(-R2)-S-R3 WHEREIN R AND R1 ARE INDEPENDENTLY ALKYL, ALKENYL OR ALKYNYL; R2 IS HYDROGEN, ALKYL OR -SR3; AND R3 IS ALKYL OPTIONALLY SUBSTITUTED WITH HALOGEN ATOMS OR ARYL OPTIONALLY SUBSTITUTED WITH ALKYL GROUPS OR HALOGEN ATOMS. THE COMPOUNDS ARE INSECTICIDES.
Inventors
- 👤 M Brown
- 👤 G Kohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2483
Claims Analysis
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |