US4111683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-alkyl or alkoxy-N'-substituted hydrocarbyl urea
Assignee: Chevron USA Inc
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Filing: 1976-11-12
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Granted: 1978-09-05
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Expires: 1996-11-12
Abstract
Abstract Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R 1 is hydrogen or alkyl, R 2 is alkyl or alkoxy, R 3 is ##STR2## wherein a is 0 or 1, R 4 is hydrogen or CW' 3 , the W' being hydrogen or halogen, Z is halogen and X is halogen, hydroxy, alkoxy, acetoxy, carbethoxyalkoxy, phenoxy, alkylthio, carbethoxyalkylthio, phenylthio, phosphono, dithiophosphonoxy, phosphoramido, isocyanato, isothiocyanato, alkyl- and dialkylthiocarbamoylthio, alkyl- and dialkylcarbamoyloxy, alkylsulfonyl, etc., have herbicidal activity.
Inventors
- 👤 Malcolm Scott Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:55
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/40; A01N47/46; A01N57/00; A01N57/02; C07C; C07C275/00; C07C275/28; C07C275/30; C07C275/32; C07C275/34; C07C275/36; C07C323/00; C07C323/23; C07C323/39; C07C323/43; C07C323/44; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/42; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/44; C07D277/48; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
107 words
A compound of the formula ##STR20## wherein R 3 is --CH(X)CZ 3 ; X is --N═C═U'; U' is sulfur, Z is halogen of atomic number of 9 to 35; R 2 is alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; R 1 is hydrogen or alkyl of 1 to 4 carbon atoms; R is alkyl of 1 to 12 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, phenyl or phenyl substituted with 1 to 2 halogens of atomic number 9 to 35, alkyl of 1 to 2 carbon atoms, alkoxy of 1 to 2 carbon atoms or one trifluoromethyl.
Claim 2
Dependent Claim
107 words
A compound of the formula ##STR20## wherein R 3 is --CH(X)CZ 3 ; X is --N═C═U'; U' is sulfur, Z is halogen of atomic number of 9 to 35; R 2 is alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; R 1 is hydrogen or alkyl of 1 to 4 carbon atoms; R is alkyl of 1 to 12 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, phenyl or phenyl substituted with 1 to 2 halogens of atomic number 9 to 35, alkyl of 1 to 2 carbon atoms, alkoxy of 1 to 2 carbon atoms or one trifluoromethyl.
Claim 3
Dependent Claim
38 words
The compound of claim 1 wherein R is phenyl substituted with 1 to 2 fluorine, chlorine or bromine, R 1 is hydrogen, R 2 is alkyl of 1 to 4 carbon atoms and Z is chlorine or bromine.
Claim 4
Dependent Claim
17 words
The compound of claim 1 wherein R is 3,4-dichlorophenyl, R 2 is methyl and Z is chlorine.
Claim 5
Dependent Claim
29 words
A method for controlling the growth of undesirable vegetation which comprises applying an herbicidally effective amount of the compound of claim 1 to the vegetation or the locus thereof.
Claim 6
Dependent Claim
38 words
The method of claim 4 wherein R is phenyl substituted with 1 to 2 fluorine, chlorine or bromine, R 1 is hydrogen, R 2 is alkyl of 1 to 4 carbon atoms and Z is chlorine or bromine.
Claim 7
Dependent Claim
17 words
The method of claim 4 wherein R is 3,4-dichlorophenyl, R 2 is methyl and Z is chlorine.
Claim 8
Dependent Claim
19 words
An herbicidal composition comprising an herbicidally effective amount of the compound of claim 1 and a biologically inert carrier.
Claim 9
Dependent Claim
38 words
The composition of claim 7 wherein R is phenyl substituted with 1 to 2 fluorine, chlorine or bromine, R 1 is hydrogen, R 2 is alkyl of 1 to 4 carbon atoms and Z is chlorine or bromine.
Claim 10
Dependent Claim
17 words
The composition of claim 7 wherein R is 3,4-dichlorophenyl, R 2 is methyl and Z is chlorine.
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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) | 1981-09-04 | 1982-03-06 | 1982-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-04 | 1986-03-06 | 1986-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-04 | 1990-03-06 | 1990-09-05 | $7700.00 | Window Closed / Lapsed |