Patent US4456471A successfully refreshed from Google Patents.
US4456471A
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Herbicidal N-haloacetyl-2-methyl-6-substituted methoxymethylanilines
Assignee: Chevron USA Inc
•
Filing: 1982-07-27
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Granted: 1984-06-26
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Expires: 2002-07-27
Abstract
Abstract Compounds of the formula ##STR1## wherein R 1 is alkyl or alkoxy; R 2 is alkenyl having 2 to 10 carbon atoms, substituted alkyl of 1 to 10 carbon atoms or substituted alkenyl of 1 to 10 carbon atoms substituted with 1 or 2 hydroxy groups or 1 or 2 alkoxy groups of 1 to 4 carbon atoms or 1 or 2 alkenyloxy groups of 2 to 4 carbon atoms; acyl, and ketal group of the formula ##STR2## wherein n=2, 3 or 4, R 4 is alkyl and R 5 is hydrogen or alkyl, an oxime of the formula ##STR3## wherein R 6 is hydrogen or alkyl; R 3 is hydrogen or alkyl; X is halo have herbicidal activity.
Inventors
- 👤 John W. Kobzina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:41
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/02; A01N43/24; A01N37/00; A01N37/18; A01N37/22; A01N43/26; A01N43/28; A01N43/32; C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/28; C07D319/00; C07D319/04; C07D319/06
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
26 words
A compound having the formula: ##STR27## wherein R 1 is methyl; R 2 is 1,1-dimethoxyethyl; R 3 is hydrogen, methyl or ethyl; and X is halogen.
Claim 2
Dependent Claim
26 words
A compound having the formula: ##STR27## wherein R 1 is methyl; R 2 is 1,1-dimethoxyethyl; R 3 is hydrogen, methyl or ethyl; and X is halogen.
Claim 3
Dependent Claim
16 words
The compound of claim 1 wherein R 3 is hydrogen, or ethyl and X is chloro.
Claim 4
Dependent Claim
9 words
The compound of claim 1 wherein X is chloro.
Claim 5
Dependent Claim
22 words
A compound having the formula: ##STR28## wherein R 3 is hydrogen or methyl and R' and R" ae independently methyl or ethyl.
Claim 6
Dependent Claim
22 words
A compound having the formula: ##STR28## wherein R 3 is hydrogen or methyl and R' and R" ae independently methyl or ethyl.
Claim 7
Dependent Claim
12 words
The compound of claim 4 wherein R' and R" are each methyl.
Claim 8
Dependent Claim
9 words
The compound claim 5 wherein R 3 is hydrogen.
Claim 9
Dependent Claim
10 words
The compound of claim 5 wherein R 3 is methyl.
Claim 10
Dependent Claim
18 words
The compound of claim 4 wherein one of R' or R" is methyl and the other is ethyl.
Claim 11
Dependent Claim
10 words
The compound of claim 8 wherein R 3 is hydrogen.
Claim 12
Dependent Claim
12 words
The compound of claim 4 wherein R' and R" are each ethyl.
Claim 13
Dependent Claim
10 words
The compound of claim 10 wherein R 3 is hydrogen.
Claim 14
Dependent Claim
10 words
The compound of claim 10 wherein R 3 is methyl.
Claim 15
Dependent Claim
19 words
An herbicidal composition comprising a biologically inert carrier and an herbicidally effective amount of the compound of claim 1.
Claim 16
Dependent Claim
19 words
An herbicidal composition comprising a biologically inert carrier and an herbicidally effective amount of the compound of claim 4.
Claim 17
Dependent Claim
19 words
An herbicidal composition comprising a biologically inert carrier and an herbicidally effective amount of the compound of claim 6.
Claim 18
Dependent Claim
27 words
A method for preventing or retarding the growth of grasses which comprises applying to its growth environment an herbicidally effective amount of the compound of claim 1.
Claim 19
Dependent Claim
27 words
A method for preventing or retarding the growth of grasses which comprises applying to its growth environment an herbicidally effective amount of the compound of claim 4.
Claim 20
Dependent Claim
27 words
A method for preventing or retarding the growth of grasses which comprises applying to its growth environment an herbicidally effective amount of the compound of claim 6.
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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) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |