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US4205168A Expired / Lapsed US ⏱️ 0.0 years remaining

N-Carbamylalkyl-2,6-dialkyl-α-haloacetanilides

Assignee: Chevron USA Inc
•
Filing: 1973-09-24
•
Granted: 1980-05-27
•
Expires: 1993-09-24
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Abstract

Abstract N-carbamylalkyl-2,6-dialkyl- alpha -haloacetanilides have herbicidal activity, particularly in pre-emergent applications against grassy weeds.

Inventors

  • 👤 David C. K. Chan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:41
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; A; A01; A01N; A01N37/00; A01N37/44; A01N37/46

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 86 words
A compound of the formula ##STR7## wherein R 1 and R 2 individually are alkyl of 1 to 6 carbon atoms; R 3 is hydrogen; R 4 and R 5 individually are hydrogen, alkyl of 1 to 6 carbon atoms or alkenyl of 3 to 6 carbon atoms; and X is chlorine or bromine, with the proviso that R 4 and R 5 may together form a divalent alkylene group of 4 to 6 carbon atoms or --CH 2 CH 2 OCH 2 CH 2 --.
Claim 2
Dependent Claim 86 words
A compound of the formula ##STR7## wherein R 1 and R 2 individually are alkyl of 1 to 6 carbon atoms; R 3 is hydrogen; R 4 and R 5 individually are hydrogen, alkyl of 1 to 6 carbon atoms or alkenyl of 3 to 6 carbon atoms; and X is chlorine or bromine, with the proviso that R 4 and R 5 may together form a divalent alkylene group of 4 to 6 carbon atoms or --CH 2 CH 2 OCH 2 CH 2 --.
Claim 3
Dependent Claim 10 words
The compound of claim 1 wherein and X is chlorine.
Claim 4
Dependent Claim 13 words
The compound of claim 2 wherein R 4 and R 5 are alkyl.
Claim 5
Dependent Claim 25 words
The compound of claim 3 wherein R 1 , R 2 , R 4 and R 5 are alkyl of 1 to 3 carbon atoms.
Claim 6
Dependent Claim 19 words
The compound of claim 4 wherein R 1 , R 2 , R 4 and R 5 are methyl.
Claim 7
Dependent Claim 21 words
The compound of claim 4 wherein R 1 and R 2 are methyl, and R 4 and R 5 are ethyl.
Claim 8
Dependent Claim 13 words
The compound of claim 2 wherein R 4 and R 5 are alkenyl.
Claim 9
Dependent Claim 21 words
The compound of claim 2 wherein R 4 is hydrogen and R 5 is alkyl of 1 to 3 carbon atoms.
Claim 10
Dependent Claim 15 words
The compound of claim 2 wherein R 4 is hydrogen and R 5 is alkenyl.
Claim 11
Dependent Claim 13 words
The compound of claim 2 wherein R 4 and R 5 are hydrogen.
Claim 12
Dependent Claim 27 words
The compound of claim 2 wherein R 4 and R 5 together form a divalent alkylene group or --CH 2 CH 2 OCH 2 CH 2 --.
Claim 13
Dependent Claim 22 words
The compound of claim 11 wherein R 4 and R 5 together form tetramethylene and R 1 and R 2 are methyl.
Claim 14
Dependent Claim 5 words
N-(N',N'-diallylcarbamylmethyl)-2,6-dimethyl-α-chloroacetanilide, according to claim 7.
Claim 15
Dependent Claim 35 words
A compound of the formula ##STR8## wherein R 1 and R 2 individually are methyl or ethyl, R 3 is hydrogen, R 4 and R 5 individually are methyl or ethyl, and X is chlorine.
Claim 16
Dependent Claim 35 words
A compound of the formula ##STR8## wherein R 1 and R 2 individually are methyl or ethyl, R 3 is hydrogen, R 4 and R 5 individually are methyl or ethyl, and X is chlorine.
Claim 17
Dependent Claim 30 words
The compound of claim 14 wherein R 1 and R 2 individually are methyl or ethyl, R 4 is hydrogen, methyl or ethyl, and R 5 is methyl or ethyl.
Claim 18
Dependent Claim 5 words
N-(N',N'-dimethylcarbamylmethyl)2,6-dimethyl-alpha-chloroacetanilide, according to claim 14.
Claim 19
Dependent Claim 20 words
A plant-growth-inhibiting composition which comprises an effective amount of the compound of claim 14 admixed with a biologically inert carrier.
Claim 20
Dependent Claim 21 words
A method for inhibiting the growth of vegetation which comprises applying thereto an effective amount of the compound of claim 14.
Claim 21
Dependent Claim 10 words
The method of claim 18 wherein the compound is N-(N',N'-dimethylcarbamylmethyl)-2,6-dimethyl-alpha-chloroacetanilide.

References Cited (Backward Citations)

US3780090A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-05-27 1983-11-26 1984-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-05-27 1987-11-26 1988-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-05-27 1991-11-26 1992-05-27 $7700.00 Window Closed / Lapsed

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