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US4216007A Expired / Lapsed US ⏱️ 0.0 years remaining

4-[4-(5-Trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoic acid esters useful as a herbicide

Assignee: Ishihara Sangyo Kaisha Ltd
•
Filing: 1979-04-27
•
Granted: 1980-08-05
•
Expires: 1999-04-27
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Abstract

Abstract 4-[4-(5-Trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoic acid esters, a herbicidal composition containing the same, and a method of controlling weeds using the same.

Inventors

  • 👤 Ryuzo Nishiyama
  • 👤 Takahiro Haga
  • 👤 Nobuyuki Sakashita

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:47
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 29 words
A compound having the general formula (I): ##STR8## wherein X is a hydrogen atom or a halogen atom, and R is a (C 1 -C 4 ) alkyl group.
Claim 2
Dependent Claim 29 words
A compound having the general formula (I): ##STR8## wherein X is a hydrogen atom or a halogen atom, and R is a (C 1 -C 4 ) alkyl group.
Claim 3
Dependent Claim 15 words
The compound of claim 1, wherein X is a hydrogen atom or a chlorine atom.
Claim 4
Dependent Claim 11 words
The compound of claim 1, wherein said compound is methyl 4-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoate.
Claim 5
Dependent Claim 11 words
The compound of claim 1, wherein said compound is ethyl 4-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoate.
Claim 6
Dependent Claim 11 words
The compound of claim 1, wherein said compound is butyl(n) 4-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoate.
Claim 7
Dependent Claim 11 words
The compound of claim 1, wherein said compound is ethyl 4-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)-phenoxy]-2-pentenoate.
Claim 8
Dependent Claim 48 words
A herbicidal composition comprising a herbicidally effective amount of a compound having the general formula (I): ##STR9## wherein X is a hydrogen atom or a halogen atom, and R is a (C 1 -C 4 ) alkyl group, as an active ingredient, together with an agriculturally acceptable adjuvants.
Claim 9
Dependent Claim 48 words
A herbicidal composition comprising a herbicidally effective amount of a compound having the general formula (I): ##STR9## wherein X is a hydrogen atom or a halogen atom, and R is a (C 1 -C 4 ) alkyl group, as an active ingredient, together with an agriculturally acceptable adjuvants.
Claim 10
Dependent Claim 16 words
The herbicidal composition of claim 7, wherein X is a hydrogen atom or a chlorine atom.
Claim 11
Dependent Claim 12 words
The herbicidal composition of claim 7, wherein said compound is methyl 4-[4-(5-trifluoromethyl-2-pyridyloxy)-phenoxy]-2-pentenoate.
Claim 12
Dependent Claim 12 words
The herbicidal composition of claim 7, wherein said compound is ethyl 4-[4-(5-trifluoromethyl-2-pyridyloxy)-phenoxy]-2-pentenoate.
Claim 13
Dependent Claim 12 words
The herbicidal composition of claim 7, wherein said compound is butyl(n) 4-[4-(5-trifluoromethyl-2-pyridyloxy)-phenoxy]-2-pentenoate.
Claim 14
Dependent Claim 12 words
The herbicidal composition of claim 7, wherein said compound is ethyl 4-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoate.
Claim 15
Dependent Claim 21 words
A method of controlling weeds comprising applying a herbicidally effective amount of the herbicidal composition of claim 7 to the weeds.

References Cited (Backward Citations)

US3954442A Cited
US4046553A Cited
US4115102A Cited
US4105435A Cited
US4152328A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

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