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
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Expires: 1993-09-24
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 08:49
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 |