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US4608081A
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Herbicidal 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amides
Assignee: TOYO SODA MANUFACTURING Co Ltd NO 4560 OOAZA TONDA SHINNANYO-SHI YAMAGUCHI-KEN JAPAN
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Filing: 1984-06-22
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Granted: 1986-08-26
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Expires: 2004-06-22
Abstract
Abstract Novel compounds in the form of 2-[4-(4-cyanophenoxy)-phenoxy]-propionic or acetic acid amide derivatives and selective herbicides containing the same as an active ingredient.
Inventors
- 👤 Shinzo Someya
- 👤 Rokuro Akahira
- 👤 Yuji Nonaka
- 👤 Akira Nakanishi
- 👤 Mikio Ito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; A; A01; A01N; A01N39/00; A01N39/02; A01N39/04; A01N41/00; A01N41/02; A01N41/04; A01N43/00; A01N43/34; A01N43/40; C07C; C07C255/00
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
77 words
A 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of the formula (I) ##STR6## wherein R 1 is hydrogen or methyl, R 2 is selected from the group consisting of hydrogen and lower alkyl, R 3 is selected from the group consisting hydrogen, halogen, lower alkyl, lower alkoxy, cyano, nitro, trifluoromethyl, lower alkylaminocarbonyl and lower alkanesulfonyloxy, R 4 is selected from the group consisting of hydrogen, halogen and lower alkyl, and X is selected from the group consisting of methine and nitrogen.
Claim 2
Dependent Claim
77 words
A 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of the formula (I) ##STR6## wherein R 1 is hydrogen or methyl, R 2 is selected from the group consisting of hydrogen and lower alkyl, R 3 is selected from the group consisting hydrogen, halogen, lower alkyl, lower alkoxy, cyano, nitro, trifluoromethyl, lower alkylaminocarbonyl and lower alkanesulfonyloxy, R 4 is selected from the group consisting of hydrogen, halogen and lower alkyl, and X is selected from the group consisting of methine and nitrogen.
Claim 3
Dependent Claim
12 words
The 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of claim 1, wherein R 1 is methyl.
Claim 4
Dependent Claim
12 words
The 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of claim 1, wherein R 2 is hydrogen.
Claim 5
Dependent Claim
38 words
The 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of claim 1, wherein R 3 is selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, and R4 is selected from the group consisting of is hydrogen and lower alkyl.
Claim 6
Dependent Claim
45 words
The 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of claim 1, wherein R 1 is methyl, R 2 is hydrogen, R 3 is selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, R 4 is selected from the group consisting of hydrogen and lower alkyl.
Claim 7
Dependent Claim
7 words
The compound of claim 1 being N-(2-fluorophenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 8
Dependent Claim
7 words
The compound of claim 1 being N-(3-fluorophenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 9
Dependent Claim
7 words
The compound of claim 1 being N-(4-fluorophenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 10
Dependent Claim
7 words
The compound of claim 1 being N-(2-chlorophenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 11
Dependent Claim
7 words
The compound of claim 1 being N-(2-methoxyphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 12
Dependent Claim
7 words
The compound of claim 1 being N-(3-methoxyphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 13
Dependent Claim
7 words
The compound of claim 1 being N-(2-methylphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 14
Dependent Claim
7 words
The compound of claim 1 being N-(3-methylphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 15
Dependent Claim
7 words
The compound of claim 1 being N-(4-methylphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 16
Dependent Claim
7 words
The compound of claim 1 being N-(2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]-propionamide.
Claim 17
Dependent Claim
7 words
The compound of claim 1 being N-(4-methyl-2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]-propionamide.
Claim 18
Dependent Claim
7 words
The compound of claim 1 being N-(6-methyl-2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]-propionamide.
Claim 19
Dependent Claim
7 words
The compound of claim 1 being N-(5-chloro-2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]-propionamide.
Claim 20
Dependent Claim
7 words
The compound of claim 1 being N-(3-isopropoxyphenyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 21
Dependent Claim
7 words
The compound of claim 1 being N-(6-methoxy-2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]-propionamide.
Claim 22
Dependent Claim
7 words
The compound of claim 1 being N-(4,6-dimethyl-2-pyridyl)-2-[4-(4-cyanophenoxy)-phenoxy]propionamide.
Claim 23
Dependent Claim
94 words
A herbicide comprising: a herbicially-effective amount of a 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of the formula (I) ##STR7## wherein R 1 is selected from the group consisting of hydrogen and methyl, R 2 is selected from the group consisting of hydrogen and lower alkyl, R 3 is selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, cyano, nitro, trifluoromethyl, lower alkylaminocarbonyl and lower alkanesulfonyloxy, R 4 is selected from the group consisting of hydrogen, halogen and lower alkyl, and X is selected from the group consisting of methine and nitrogen; and a diluent.
Claim 24
Dependent Claim
94 words
A herbicide comprising: a herbicially-effective amount of a 2-[4-(4-cyanophenoxy)-phenoxy]-alkanoic acid amide of the formula (I) ##STR7## wherein R 1 is selected from the group consisting of hydrogen and methyl, R 2 is selected from the group consisting of hydrogen and lower alkyl, R 3 is selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, cyano, nitro, trifluoromethyl, lower alkylaminocarbonyl and lower alkanesulfonyloxy, R 4 is selected from the group consisting of hydrogen, halogen and lower alkyl, and X is selected from the group consisting of methine and nitrogen; and a diluent.
Claim 25
Dependent Claim
16 words
The herbicide of claim 22 wherein the diluent is a solvent or a surface active agent.
Claim 26
Dependent Claim
10 words
The herbicide of claim 22 formulated as an emulsifiable concentrate.
Claim 27
Dependent Claim
11 words
The herbicide of claim 22 formulated as a water dispersible powder.
Claim 28
Dependent Claim
12 words
The herbicide of claim 22 formulated in the form of a dust.
Claim 29
Dependent Claim
11 words
The herbicide of claim 22 formulated in the form of granules.
References Cited (Backward Citations)
US3515744A
Cited
US4332961A
Cited
JPS539740A
Cited
JPS5562043A
Cited
US4254262A
Cited
US4443248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |