US4134751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal compound, herbicidal composition containing the same and method of use thereof
Assignee: Ishihara Sangyo Kaisha Ltd
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Filing: 1977-04-14
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Granted: 1979-01-16
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Expires: 1997-04-14
Abstract
Abstract Phenoxy valeric acids and derivatives thereof represented by the general formula (I): ##STR1## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C 1 - C 4 )alkoxy group, a (C 1 - C 4 )alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C 1 - C 4 )alkyl group(s), a phenyl group or a pyridine-2-yl group, useful as a herbicide; a herbicidal composition containing the compound; and methods of controlling weeds using such materials.
Inventors
- 👤 Ryuzo Nishiyama
- 👤 Kanichi Fujikawa
- 👤 Rikuo Nasu
- 👤 Itaru Shigehara
- 👤 Nobuyuki Sakashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:24
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643; C07C; C07C327/00; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07D213/72; C07D213/75
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
66 words
A compound having the formula (I): ##STR6## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group, a (C 1 -C 4 )alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C 1 -C 4 )alkyl group(s), a phenyl group or a pyridine-2-yl group.
Claim 2
Dependent Claim
66 words
A compound having the formula (I): ##STR6## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group, a (C 1 -C 4 )alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C 1 -C 4 )alkyl group(s), a phenyl group or a pyridine-2-yl group.
Claim 3
Dependent Claim
25 words
The compound of claim 1, wherein R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group or a benzyloxy group.
Claim 4
Dependent Claim
22 words
The compound of claim 1, wherein R is a hydroxy group, an --O-cation group or a (C 1 -C 4 )alkoxy group.
Claim 5
Dependent Claim
11 words
The compound of claim 2, wherein X is a chlorine atom.
Claim 6
Dependent Claim
11 words
The compound of claim 4, wherein said compound is γ-[4-(3,5-dichloropyridyl-2-oxy)phenoxy]valeric acid.
Claim 7
Dependent Claim
10 words
The compound of claim 4, wherein said compound is sodium-γ-[4-(3,5-dichloropyridyl-2-oxy)-phenoxy]valerate.
Claim 8
Dependent Claim
10 words
The compound of claim 4, wherein said compound is methyl-γ-[4-(3,5-dichloropyridyl-2-oxy)-phenoxy]valerate.
Claim 9
Dependent Claim
86 words
A herbicidal composition comprising a herbicidally effective amount of at least one compound having the formula (I): ##STR7## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group, a (C 1 -C 4 )alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C 1 -C 4 )alkyl group(s), a phenyl group or a pyridine-2-yl group, as an active ingredient and an agriculturally acceptable adjuvant.
Claim 10
Dependent Claim
86 words
A herbicidal composition comprising a herbicidally effective amount of at least one compound having the formula (I): ##STR7## wherein X is a hydrogen atom or a chlorine atom; and R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group, a (C 1 -C 4 )alkylthio group, a benzyloxy group, or an amino group which may be substituted with a (C 1 -C 4 )alkyl group(s), a phenyl group or a pyridine-2-yl group, as an active ingredient and an agriculturally acceptable adjuvant.
Claim 11
Dependent Claim
26 words
The herbicidal composition of claim 8, wherein R is a hydroxy group, an --O-cation group, a (C 1 -C 4 )alkoxy group or a benzyloxy group.
Claim 12
Dependent Claim
23 words
The herbicidal composition of claim 8, wherein R is a hydroxy group, an --O-cation group or a (C 1 -C 4 )alkoxy group.
Claim 13
Dependent Claim
12 words
The herbicidal composition of claim 9, wherein X is a chlorine atom.
Claim 14
Dependent Claim
12 words
The herbicidal composition of claim 11, wherein said compound is γ-[4-(3,5-dichloropyridyl-2-oxy)phenoxy]valeric acid.
Claim 15
Dependent Claim
11 words
The herbicidal composition of claim 11, wherein said compound is sodium-γ-[4-(3,5-dichloropyridyl-2-oxy)phenoxy]valerate.
Claim 16
Dependent Claim
11 words
The herbicidal composition of claim 11, wherein said compound is methyl-γ-[4-(3,5-dichloropyridyl-2-oxy)phenoxy]valerate.
Claim 17
Dependent Claim
26 words
A method for controlling noxious weeds in the presence of cultivated crops which comprises applying a herbicidally effective amount of a herbicidal composition of claim 8.
References Cited (Backward Citations)
US3954442A
Cited
US4046553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-15 | 1982-07-17 | 1983-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-15 | 1986-07-17 | 1987-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-15 | 1990-07-17 | 1991-01-16 | $7700.00 | Window Closed / Lapsed |