US3663594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted aryl carbamates
Assignee: Chevron USA Inc
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Filing: 1969-09-04
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Granted: 1972-05-16
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Expires: 1989-09-04
Abstract
Abstract INSECTICIDAL CARBAMATES OF THE FORMULA R-O-CO-N(-R1)-S-R2 WHEREIN R IS ARYL OR ARALKYL OF 6 TO 20 CARBON ATOMS, R1 IS H OR ALKYL OF 1 TO 6 CARBON ATOMS, AND R2 IS ALKYL OF 1 TO 10 CARBON ATOMS OR MONOCYCLIC ARYL OF 6 TO 12 CARBON ATOMS SUBSTITUTED WITH 0 TO 2 ALKYL IN WHICH THE TOTAL NUMBER OF CARBON ATOMS IN THE ALKYL GROUPS COMBINED IS 1 TO 6, 0 TO 2 HALOGENS OF ATOMIC NUMBER 17 TO 35 OR 0 TO 2 TRIFLUOROMETHYL.
Inventors
- 👤 Melancthon S Brown
- 👤 Gustave K Kohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:09
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/24
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |