Patent US5149794A successfully refreshed from Google Patents.
Patent US4216007A successfully refreshed from Google Patents.
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
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Filing: 1979-04-27
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Granted: 1980-08-05
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Expires: 1999-04-27
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 15:01
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)
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 |