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US4595400A
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Herbicidal esters of 2-bromo-4-methylimidazole-5-carboxylic acid
Assignee: Zeneca Inc
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Filing: 1984-10-18
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Granted: 1986-06-17
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Expires: 2004-10-18
Abstract
Abstract Herbicidal compounds having the structural formula <IMAGE> wherein R is C1-C10 alkyl; and Y is C3-C8 cycloalkylalkyl wherein the alkyl has 1 to 6 carbon atoms; C1-C6 alkyl or C3-C6 alkenyl.
Inventors
- 👤 Andrea Leone-Bay
- 👤 Edward D. Weil
- 👤 John Tomko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:44
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/90
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
38 words
A compound having the structural formula ##STR10## wherein R is C 1 -C 10 alkyl; and Y is C 3 -C 8 cycloalkylalkyl wherein the alkyl has 1 to 6 carbon atoms; or C 3 -C 6 alkenyl.
Claim 2
Dependent Claim
38 words
A compound having the structural formula ##STR10## wherein R is C 1 -C 10 alkyl; and Y is C 3 -C 8 cycloalkylalkyl wherein the alkyl has 1 to 6 carbon atoms; or C 3 -C 6 alkenyl.
Claim 3
Dependent Claim
14 words
The compound of the formula ##STR11## wherein R is ethyl and Y is cyclopropylmethyl.
Claim 4
Dependent Claim
14 words
The compound of the formula ##STR11## wherein R is ethyl and Y is cyclopropylmethyl.
Claim 5
Dependent Claim
13 words
The compound of claim 1 wherein R is isopropyl and Y is methyl.
Claim 6
Independent Claim
61 words
The method of controlling undesirable vegetation comprising applying to the area where control is desired an herbicidally effective amount of a compound having the structural formula ##STR12## wherein R is C 1 -C 10 alkyl; Y is C 3 -C 8 cycloalkylalkyl wherein the alkyl has 1 to 6 atoms; C 1 -C 6 alkyl or C 3 -C 6 alkenyl.
Claim 7
Independent Claim
61 words
The method of controlling undesirable vegetation comprising applying to the area where control is desired an herbicidally effective amount of a compound having the structural formula ##STR12## wherein R is C 1 -C 10 alkyl; Y is C 3 -C 8 cycloalkylalkyl wherein the alkyl has 1 to 6 atoms; C 1 -C 6 alkyl or C 3 -C 6 alkenyl.
Claim 8
Dependent Claim
21 words
A method of claim 4 wherein R is C 2 -C 5 alkyl and Y is C 1 -C 3 alkyl.
Claim 9
Dependent Claim
20 words
The method of claim 4 wherein R is C 2 14 C 5 alkyl and Y is methyl or isopropyl.
Claim 10
Dependent Claim
20 words
The method of claim 4 wherein R is isopropyl, sec-butyl, or sec-pentyl and Y is C 1 -C 3 alkyl.
Claim 11
Dependent Claim
13 words
The method of claim 4 wherein R is sec-butyl and Y is isopropyl.
Claim 12
Dependent Claim
13 words
The method of claim 4 wherein R is isopropyl and Y is isopropyl.
Claim 13
Dependent Claim
13 words
The method of claim 4 wherein R is ethyl and Y is cyclopropylmethyl.
Claim 14
Dependent Claim
13 words
The method of claim 4 wherein R is isopropyl and Y is methyl.
Claim 15
Dependent Claim
13 words
The method of claim 4 wherein R is isopropyl and Y is allyl.
Claim 16
Dependent Claim
13 words
The method of claim 4 wherein R is n-propyl and Y is isopropyl.
References Cited (Backward Citations)
US4340598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-16 | 1989-12-16 | 1990-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-16 | 1993-12-16 | 1994-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-16 | 1997-12-16 | 1998-06-17 | $7700.00 | Window Closed / Lapsed |