US3674802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-acyl-4-acyloxy-2,3,4,5-tetrahydro-1,2,4-oxadiazoles
Assignee: Monsanto Co
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Filing: 1970-01-05
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Granted: 1972-07-04
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Expires: 1990-01-05
Abstract
Abstract 2-Acyl-4-acyloxy-2,3,4,5-tetrahydro-1,2,4-oxadiazoles are described herein. These compounds find utility as herbicides. For example, 2-(parachlorobenzoyl)-2,3,4,5-tetrahydro-1,2,4oxadiazole-4-yl -parachlorobenzoate and its herbicidal properties are disclosed herein.
Inventors
- 👤 John E Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:13
CPC Classifications
C; C07; C07D; C07D271/00; C07D271/02; C07D271/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
A compound in accordance with claim 1 wherein R is selected from the group consisting of alkyl having at least one and a maximum of three carbon atoms, cyclopropyl, benzyl, phenethenyl, and a substituted phenyl of the formula wherein R'' is selected from the group consisting of alkoxy having at least one and a maximum of three carbon atoms, alkyl having at least one and a maximum of three carbon atoms, nitro, and halogen; and n is an integer from 0 through 2.
Claim 2
Dependent Claim
72 words
A compound in accordance with claim 2 wherein R is selected from the group consisting of methyl, cyclopropyl, benzyl, phenethenyl, and a substituted phenyl of the formula wherein R'' is selected from the group consisting of alkoxy having at least one and a maximum of two carbon atoms, alkyl having at least one and a maximum of two carbon atoms, nitro, and halogen; and n is an integer from 0 through 2.
Claim 3
Dependent Claim
5 words
A compound having the formula
Claim 4
Dependent Claim
5 words
A compound having the formulA
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |