US4522647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted phenoxyalkanediones and their herbicidal method of use
Assignee: Zoecon Corp
•
Filing: 1983-06-29
•
Granted: 1985-06-11
•
Expires: 2003-06-29
Abstract
Abstract Substituted phenoxyalkanediones and intermediates therefor, and the use of said compounds for the control of weeds.
Inventors
- 👤 Richard J. Anderson
- 👤 Shy-Fuh Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:02
CPC Classifications
C; C07; C07D; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D213/643; A; A01; A01N; A01N39/00; A01N43/00; A01N43/34; A01N43/40; A01N43/42; A01N43/48; A01N43/60; A01N43/72; A01N43/74; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C251/00; C07C251/72; C07C323/00; C07C45/00; C07C45/27; C07C45/30; C07C45/51; C07C45/516; C07C45/61; C07C45/67; C07C45/673; C07C45/676; C07C49/00; C07C49/20; C07C49/255; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07D213/69; C07D213/70; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D215/227; C07D241/44; C07D263/00; C07D263/52; C07D263/54; C07D263/58; C07D277/00; C07D277/60; C07D277/62; C07D277/68
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
48 words
A compound of the following formula (A): ##STR22## wherein, R is ##STR23## R 1 is hydrogen or lower alkyl; R 2 is lower alkyl; W is oxygen, sulfur or amino; and each of Y and Z is independently hydrogen, lower alkyl, lower haloalkyl, lower alkoxy, halogen or nitro.
Claim 2
Dependent Claim
48 words
A compound of the following formula (A): ##STR22## wherein, R is ##STR23## R 1 is hydrogen or lower alkyl; R 2 is lower alkyl; W is oxygen, sulfur or amino; and each of Y and Z is independently hydrogen, lower alkyl, lower haloalkyl, lower alkoxy, halogen or nitro.
Claim 3
Dependent Claim
11 words
A compound of the following formula, according to claim 1: ##STR24##
Claim 4
Dependent Claim
21 words
A compound according to claim 2 wherein W is oxygen, R 1 is methyl and R 2 is methyl or ethyl.
Claim 5
Dependent Claim
18 words
A compound according to claim 3 wherein Y is hydrogen or chloro and Z is chloro or trifluoromethyl.
Claim 6
Dependent Claim
7 words
The compound 5-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]-2,4-hexanedione, according to claim 4.
Claim 7
Dependent Claim
7 words
The compound 5-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenoxy]-2,4-hexanedione, according to claim 4.
Claim 8
Dependent Claim
7 words
The compound (R)-5-[4-(5-trifluoromethyl-2-pyridyloxy)phenoxy]-2,4-hexanedione, according to claim 4.
Claim 9
Dependent Claim
8 words
The compound (R)-5-[4-(3-chloro-5 trifluoromethyl-2-pyridyloxy)phenoxy]-2,4-hexanedione, according to claim 4.
Claim 10
Dependent Claim
31 words
A method for the control of weeds which comprises treating the weed or its locus with a herbicidally effective amount of a compound of formula (A) as disclosed in claim 1.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |