Patent US4007033A successfully refreshed from Google Patents.
US4007033A
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Herbicidal substituted-haloethyl urea
Assignee: Chevron USA Inc
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Filing: 1975-05-29
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Granted: 1977-02-08
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Expires: 1995-05-29
Abstract
Abstract Herbicidal compounds of the formula ##STR1## wherein R is alkyl, cycloalkyl or phenyl substituted with up to 2 fluorine, chlorine, bromine, trifluoromethyl, nitro, lower alkoxy, lower alkyl or phenoxy, phenylthio or phenylsulfonyl substituted with up to 2 fluorine or chlorine atoms; R 1 is hydrogen or alkyl; R 2 is alkyl; Z is halogen; Y is hydrogen or Z; and X is alkoxy, carbalkoxyalkoxy, alkylthio, carbalkoxyalkylthio or phenylthio substituted with up to 2 fluorine, chlorine, bromine or lower alkyl groups.
Inventors
- 👤 Malcolm Scott Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:46
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/39; C07C323/43; C07C323/44
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
67 words
A compound of the formula ##STR8## wherein R is phenyl substituted with up to 2 fluorine, chlorine, bromine, trifluoromethyl, nitro, lower alkyl, or lower alkoxy; R 1 is hydrogen or alkyl of 1 to 4 carbon atoms, R 2 is alkyl of 1 to 4 carbon atoms; Z is chlorine or bromine, Y is hydrogen or Z, and X is carbalkoxyalkoxy of 2 to 6 carbon atoms.
Claim 2
Dependent Claim
67 words
A compound of the formula ##STR8## wherein R is phenyl substituted with up to 2 fluorine, chlorine, bromine, trifluoromethyl, nitro, lower alkyl, or lower alkoxy; R 1 is hydrogen or alkyl of 1 to 4 carbon atoms, R 2 is alkyl of 1 to 4 carbon atoms; Z is chlorine or bromine, Y is hydrogen or Z, and X is carbalkoxyalkoxy of 2 to 6 carbon atoms.
Claim 3
Dependent Claim
16 words
The compound of claim 1 wherein R 1 is hydrogen and Y is chlorine or bromine.
Claim 4
Dependent Claim
11 words
The compound of claim 2 wherein Z and Y are chlorine.
Claim 5
Dependent Claim
18 words
The compound of claim 3 wherein R is substituted phenyl with 1 to 2 fluorine or chlorine atoms.
Claim 6
Dependent Claim
6 words
1-Methyl-1-(1-carbethoxymethoxy-2,2,2-trichloroethyl-3-(2-fluorophenyl) urea, according to claim 4.
Claim 7
Dependent Claim
26 words
A method for the control of undesirable vegetation which comprises applying thereto pre-emergently or post-emergently a herbicidally effective amount of the compound defined in claim 1.
Claim 8
Dependent Claim
16 words
The method of claim 6 wherein R 1 is hydrogen and Y is chlorine or bromine.
Claim 9
Dependent Claim
11 words
The method of claim 7 wherein Z and Y are chlorine.
Claim 10
Dependent Claim
18 words
The method of claim 8 wherein R is substituted phenyl with 1 to 2 fluorine or chlorine atoms.
Claim 11
Dependent Claim
11 words
The method of claim 9 wherein the compound is 1-methyl-1-(1-carbethoxymethoxy-2,2,2-trichloroethyl-3-(2-fluorophenyl) urea.
References Cited (Backward Citations)
US3808262A
Cited
US3862208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |