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US4566897A
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Diphenyl ether derivatives and herbicides containing same
Assignee: Mitsui Toatsu Chemicals Inc
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Filing: 1984-03-15
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Granted: 1986-01-28
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Expires: 2004-03-15
Abstract
Abstract Novel diphenyl ether hydrazine derivatives, particularly 2-nitro-5 (nucleus-substituted phenoxy) phenylhydrazine derivatives are provided. They are useful as a selective herbicide having a high herbicidal activity and residual efficacy.
Inventors
- 👤 Takeo Yoshimoto
- 👤 Akira Hosono
- 👤 Joh Miki
- 👤 Yasunobu Funakoshi
- 👤 Takashi Fujita
- 👤 Yoshikata Hojo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:29
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; A; A01; A01N; A01N33/00; A01N33/26; A01N35/00; A01N35/08; A01N35/10; A01N37/00; A01N37/18; A01N37/28; A01N37/30; A01N37/32; A01N37/44; A01N37/50; A01N37/52; A01N39/00; A01N39/02; A01N39/04; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/08; A01N47/00; A01N47/08; A01N47/10; A01N47/24; A01N47/28; A01N47/34; A01N47/40; A01N47/42; C07C; C07C243/00; C07C243/24; C07C243/38; C07C251/00; C07C251/72; C07C323/00; C07C323/23; C07C323/46; C07C323/48; C07D207/46; C07D207/50; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D223/00; C07D223/02; C07D223/06; C07D223/08; C07D223/10; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2491
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A diphenyl ether compound represented by the formula I, ##STR268## wherein A and B are each selected from the group consisting of a chlorine atom, a fluorine atom, --CH 3 and --CF 3 ; m and n each represent an integer 0˜3 and m+n=0˜3; R represents ##STR269## wherein R 1 represents hydrogen atom, --CH 3 , C 2 H 5 or --C 3 H 7 (n); R 4 and R 5 together represent --(CH 2 ) 2 --, --(CH 2 ) 3 --, --(CH 2 ) 4 --, ##STR270##
Claim 2
Dependent Claim
89 words
A diphenyl ether compound represented by the formula I, ##STR268## wherein A and B are each selected from the group consisting of a chlorine atom, a fluorine atom, --CH 3 and --CF 3 ; m and n each represent an integer 0˜3 and m+n=0˜3; R represents ##STR269## wherein R 1 represents hydrogen atom, --CH 3 , C 2 H 5 or --C 3 H 7 (n); R 4 and R 5 together represent --(CH 2 ) 2 --, --(CH 2 ) 3 --, --(CH 2 ) 4 --, ##STR270##
Claim 3
Dependent Claim
55 words
A compound of claim 1 represented by the formula I wherein ##STR271## wherein R 1 is hydrogen atom, --CH 3 , --C 2 H 5 or --C 3 H 7 (n); R 4 and R 5 taken together form --(CH 2 ) 2 --, --(CH 2 ) 3 --, --(CH 2 ) 4 --, ##STR272##
Claim 4
Dependent Claim
16 words
A compound of claim 1 represented by the formula I wherein ##STR273## and R is ##STR274##
Claim 5
Dependent Claim
50 words
A herbicidal composition containing, as an active ingredient a herbicidally effective amount of a diphenyl ether compound represented by the formula I, ##STR275## wherein A, B, m, n and R are as defined in the formula I of claims 1, 2 or 3 and also containing an inert herbicidal carrier.
References Cited (Backward Citations)
US4515628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-27 | 1989-07-29 | 1990-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-27 | 1993-07-29 | 1994-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-27 | 1997-07-29 | 1998-01-28 | $7700.00 | Window Closed / Lapsed |