US4115102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyridyl compound, herbicidal composition containing the same and method of use thereof
Assignee: Ishihara Sangyo Kaisha Ltd
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Filing: 1977-06-10
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Granted: 1978-09-19
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Expires: 1997-06-10
Abstract
Abstract alpha -[4-(5-Mono-substituted or 3,5-di-substituted-pyridyl-2-oxy)phenoxy]alkanecarboxylic acids and derivatives thereof useful as a herbicide; a herbicidal composition containing the compound; methods of controlling weeds using such materials and production of such materials.
Inventors
- 👤 Ryohei Takahashi
- 👤 Kanichi Fujikawa
- 👤 Isao Yokomichi
- 👤 Yasuhiro Tsujii
- 👤 Nobuyuki Sakashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:55
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
72 words
A compound having the formula: ##STR44## where X is a halogen atom, Y is a hydrogen atom, a halogen atom or a methyl group, and R is a (C 1 -C 4 ) alkylthio group in which the alkyl moiety thereof may be straight or branched chain, or a phenylthio group in which the aryl moiety thereof may be substituted with one or more of a halogen atom or a methyl group.
Claim 2
Dependent Claim
72 words
A compound having the formula: ##STR44## where X is a halogen atom, Y is a hydrogen atom, a halogen atom or a methyl group, and R is a (C 1 -C 4 ) alkylthio group in which the alkyl moiety thereof may be straight or branched chain, or a phenylthio group in which the aryl moiety thereof may be substituted with one or more of a halogen atom or a methyl group.
Claim 3
Dependent Claim
48 words
The compound of claim 1, wherein X is a chlorine atom, Y is a hydrogen atom or a chlorine atom, and R is a (C 1 -C 4 ) alkylthio group or a phenylthio group in which the aryl moiety thereof may be substituted with a chlorine atom.
Claim 4
Dependent Claim
14 words
The compound of claim 2, wherein said compound is α-[4-(5-chloropyridyl-2-oxy) phenoxy] propionic acid ethylthioester.
Claim 5
Dependent Claim
14 words
The compound of claim 2, wherein said compound is α-[4-(3,5-dichloropyridyl-2-oxy) phenoxy] propionic acid ethylthioester.
Claim 6
Dependent Claim
14 words
The compound of claim 2, wherein said compound is α-[4-(5-chloropyridyl-2-oxy) phenoxy] propionic acid o-chlorophenylthioester.
Claim 7
Dependent Claim
25 words
A herbicidal composition comprising a herbicidally effective amount of the compound as defined in claim 1 as an active ingredient and an agriculturally acceptable adjuvant.
Claim 8
Dependent Claim
38 words
A method for controlling noxious weeds in the presence of cultivated crops, which comprises applying a herbicidally effective amount of the herbicidal composition as defined in claim 6 to an upland area where the cultivated crops are growing.
Claim 9
Dependent Claim
47 words
A method for selectively controlling gramineous weeds in the presence of broad-leafed crops, which comprises applying a herbicidally effective amount of the herbicidal composition as defined in claim 6 to an upland ara where the broad-leafed crops are growing, thereby to kill gramineous weeds selectively by withering.
References Cited (Backward Citations)
US3151024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-18 | 1982-03-20 | 1982-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-18 | 1986-03-20 | 1986-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-18 | 1990-03-20 | 1990-09-19 | $7700.00 | Window Closed / Lapsed |