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US4448965A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted cycloalkanediones

Assignee: Zoecon Corp
•
Filing: 1982-08-16
•
Granted: 1984-05-15
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Expires: 2002-08-16
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Abstract

Abstract Novel substituted cycloalkanediones and their use for the control of weeds.

Inventors

  • 👤 Clive A. Henrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:38
CPC Classifications
C; C07; C07D; 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; A01N43/50; A01N43/52; A01N43/60; A01N43/72; A01N43/74; A01N43/76; A01N43/78; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C45/00; C07C45/45; C07C45/455; C07C49/00; C07C49/587; C07C49/753

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 47 words
A compound of the following formula (A): ##STR6## wherein, n is zero, one, two or three; R is ##STR7## R 1 is hydrogen or lower alkyl; W is oxygen, sulfur or amino; and each of Y and Z is independently selected from hydrogen, lower haloalkyl and halogen.
Claim 2
Dependent Claim 47 words
A compound of the following formula (A): ##STR6## wherein, n is zero, one, two or three; R is ##STR7## R 1 is hydrogen or lower alkyl; W is oxygen, sulfur or amino; and each of Y and Z is independently selected from hydrogen, lower haloalkyl and halogen.
Claim 3
Dependent Claim 14 words
A compound according to claim 1 wherein Y is hydrogen and Z is trifluoromethyl.
Claim 4
Dependent Claim 11 words
A compound of the following formula, according to claim 1: ##STR8##
Claim 5
Dependent Claim 29 words
A compound according to claim 3 wherein W is oxygen, R 1 is methyl, n is one or two, Y is hydrogen chloro and Z is chloro or trifluoromethyl.
Claim 6
Dependent Claim 14 words
A compound according to claim 4 wherein Y is chloro and Z is trifluoromethyl.

References Cited (Backward Citations)

US4133675A Cited
US4348221A Cited
US4216007A Cited
GB2040923A Cited
WO1981000563A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-05-15 1987-11-14 1988-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-05-15 1991-11-14 1992-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-05-15 1995-11-14 1996-05-15 $7700.00 Window Closed / Lapsed

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