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US4007033A Expired / Lapsed US ⏱️ 0.0 years remaining

Herbicidal substituted-haloethyl urea

Assignee: Chevron USA Inc
•
Filing: 1975-05-29
•
Granted: 1977-02-08
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Expires: 1995-05-29
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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 06:59
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

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