US4022777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imidazoquinoxaline fungicides
Assignee: EIDP Inc
•
Filing: 1975-09-22
•
Granted: 1977-05-10
•
Expires: 1995-09-22
Abstract
Abstract Compounds of the formula ##STR1## wherein R 1 is hydrogen, alkali metal, alkyl, substituted alkyl, alkylsulfenyl or acyl; R 2 is alkyl or cyclopropyl; R 3 is hydrogen, chlorine, bromine or fluorine; n and p are 0 or 1 and A is a mineral acid are useful as fungicides. A representative compound is 6-chloro-2-ethyl-1H-imidazo[4,5-b]quinoxaline.
Inventors
- 👤 Donnie Joe Sam
- 👤 Mark A. Wuonola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
C; C07; C07D; C07D487/00; A; A01; A01N; A01N43/00; A01N43/90; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
A compound of the formula ##STR14## wherein R 4 is alkyl of 1 to 9 carbon atoms; alkyl of 1 to 9 carbon atoms substituted with 1 chlorine or bromine atom or 1 methoxy group; alkenyl of two to four carbon atoms; cycloalkyl of 3 to 6 carbon atoms; phenyl; phenyl substituted with 1 bromine, chlorine, or fluorine atom or 1 methyl group; 2-furoyl; benzyl; alkoxy of 1 to 6 carbon atoms; alkylthio of 1 to 6 carbon atoms; alkylamino of 1 to 6 carbon atoms; chlorosulfonylamino; or anilino; p is 0 or 1; A is H 2 SO 4 , HCl, HBr, HNO 3 or H 3 PO 4 .
Claim 2
Dependent Claim
111 words
A compound of the formula ##STR14## wherein R 4 is alkyl of 1 to 9 carbon atoms; alkyl of 1 to 9 carbon atoms substituted with 1 chlorine or bromine atom or 1 methoxy group; alkenyl of two to four carbon atoms; cycloalkyl of 3 to 6 carbon atoms; phenyl; phenyl substituted with 1 bromine, chlorine, or fluorine atom or 1 methyl group; 2-furoyl; benzyl; alkoxy of 1 to 6 carbon atoms; alkylthio of 1 to 6 carbon atoms; alkylamino of 1 to 6 carbon atoms; chlorosulfonylamino; or anilino; p is 0 or 1; A is H 2 SO 4 , HCl, HBr, HNO 3 or H 3 PO 4 .
Claim 3
Dependent Claim
42 words
A compound of the formula ##STR15## wherein R 4 is alkyl of 1 to 7 carbons or cyclopropyl; A is H 2 SO 4 , HCl, HBr, HNO 3 , or H 3 PO 4 ; and p is 0 or 1.
Claim 4
Dependent Claim
42 words
A compound of the formula ##STR15## wherein R 4 is alkyl of 1 to 7 carbons or cyclopropyl; A is H 2 SO 4 , HCl, HBr, HNO 3 , or H 3 PO 4 ; and p is 0 or 1.
Claim 5
Dependent Claim
10 words
The compound of claim 2 wherein R 4 is cyclopropyl.
Claim 6
Dependent Claim
14 words
The compound of claim 2 wherein R 4 is alkyl of 4 carbon atoms.
Claim 7
Dependent Claim
14 words
The compound of claim 2 wherein Rhd 4 is alkyl of 5 carbon atoms.
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) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |