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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
•
Filing: 1977-04-14
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Granted: 1979-01-16
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Expires: 1997-04-14
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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 02:17
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

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