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US4705556A Expired / Lapsed US ⏱️ 0.0 years remaining

Herbicidal sulfonamides

Assignee: EIDP Inc
•
Filing: 1986-03-18
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Granted: 1987-11-10
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Expires: 2006-03-18
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Abstract

Abstract This invention relates to novel herbicidally active sulfonylurea compounds substituted in the positions ortho to the sulfonylurea bridge, agriculturally suitable compositions thereof and methods of their use as preemergent or postemergent herbicides or plant growth regulants.

Inventors

  • 👤 Mary A. Hanagan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:42
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/78; C07C309/79; C07C309/81; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36; C07C205/00; C07C205/49; C07C205/57; C07C205/58; C07C309/86; C07C309/89; C07C311/00; C07C311/50; C07C311/52; C07C311/54; C07C311/55; C07C311/65; C07C335/00; C07C335/30; C07C335/32; C07D; C07D205/00; C07D205/02; C07D205/04; C07D521/00

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 521 words
A compound of the formula: ##STR121## wherein R 1 is S(O) n R 5 , CF 3 , NR 6 R 7 , CO 2 R 8 , SO 2 NR 9 R 10 , ##STR122## OSO 2 R 13 , CH 2 OR 14 or Q; R 2 is S(O) m R 5 , CF 3 , NR 6 R 7 , CO 2 R 8 , SO 2 NR 9 R 10 , ##STR123## OSO 2 R 13 , CH 2 OR 14 or Q; R 3 is H, Cl, F, Br, CH 3 , OCH 3 or CF 3 ; R 4 is H or CH 3 ; R 5 is C 1 -C 3 alkyl; R 6 and R 7 are independently CH 3 or CH 2 CH 3 ; R 8 is C 1 -C 3 alkyl, CH 2 CH═CH 2 , CH 2 CH 2 Cl or CH 2 CH 2 OCH 3 ; R 9 is CH 3 or OCH 3 ; R 10 is C 1 -C 3 alkyl; R 11 is H, Cl, Br, F, CH 3 or OCH 3 ; R 12 is H or CH 3 ; R 13 is C 1 -C 3 alkyl or CF 3 ; R 14 is C 1 -C 3 alkyl or CF 2 H; n is 0, 1 or 2; m is 0 or 1; ##STR124## W is O, S or NR 18 ; W' is O or S; R 15 , R 16 , R 17 and R 18 are independently H or CH 3 ; Q is also ##STR125## R 19 , R 20 , R 22 , R 24 and R 25 are independently H or CH 3 ; R 21 and R 23 are independently H, CH 3 or OCH 3 ; Q is also ##STR126## R 26 , R 27 , R 28 R 29 , R 30 and R 31 are independently H or CH 3 ; A is ##STR127## L is O; X 1 is CH 3 , OCH 3 , Cl or OCF 2 H; and Y 3 is H or CH 3 ; and agriculturally suitable salts thereof; provided that (a) when either one of R 1 or R 2 is CF 3 , then the other is also CF 3 ; (b) R 1 and R 2 are not simultaneously CO 2 R 8 ; (c) when either one of R 1 or R 2 is SO 2 NR 9 R 10 , then the other must not be S(O) n R 5 , S(O) m R 5 , CH 2 OR 14 or NR 6 R 7 ; (d) when R 9 is OCH 3 , then R 10 is CH 3 ; (e) when either one of R 1 or R 2 is CO 2 R 8 , then the other must not be S(O) n R 5 , S(O) m R 5 or NR 6 R 7 ; and (f) the total number of carbon atoms in R 26 to R 31 combined, is equal to or less than four.
Claim 2
Dependent Claim 521 words
A compound of the formula: ##STR121## wherein R 1 is S(O) n R 5 , CF 3 , NR 6 R 7 , CO 2 R 8 , SO 2 NR 9 R 10 , ##STR122## OSO 2 R 13 , CH 2 OR 14 or Q; R 2 is S(O) m R 5 , CF 3 , NR 6 R 7 , CO 2 R 8 , SO 2 NR 9 R 10 , ##STR123## OSO 2 R 13 , CH 2 OR 14 or Q; R 3 is H, Cl, F, Br, CH 3 , OCH 3 or CF 3 ; R 4 is H or CH 3 ; R 5 is C 1 -C 3 alkyl; R 6 and R 7 are independently CH 3 or CH 2 CH 3 ; R 8 is C 1 -C 3 alkyl, CH 2 CH═CH 2 , CH 2 CH 2 Cl or CH 2 CH 2 OCH 3 ; R 9 is CH 3 or OCH 3 ; R 10 is C 1 -C 3 alkyl; R 11 is H, Cl, Br, F, CH 3 or OCH 3 ; R 12 is H or CH 3 ; R 13 is C 1 -C 3 alkyl or CF 3 ; R 14 is C 1 -C 3 alkyl or CF 2 H; n is 0, 1 or 2; m is 0 or 1; ##STR124## W is O, S or NR 18 ; W' is O or S; R 15 , R 16 , R 17 and R 18 are independently H or CH 3 ; Q is also ##STR125## R 19 , R 20 , R 22 , R 24 and R 25 are independently H or CH 3 ; R 21 and R 23 are independently H, CH 3 or OCH 3 ; Q is also ##STR126## R 26 , R 27 , R 28 R 29 , R 30 and R 31 are independently H or CH 3 ; A is ##STR127## L is O; X 1 is CH 3 , OCH 3 , Cl or OCF 2 H; and Y 3 is H or CH 3 ; and agriculturally suitable salts thereof; provided that (a) when either one of R 1 or R 2 is CF 3 , then the other is also CF 3 ; (b) R 1 and R 2 are not simultaneously CO 2 R 8 ; (c) when either one of R 1 or R 2 is SO 2 NR 9 R 10 , then the other must not be S(O) n R 5 , S(O) m R 5 , CH 2 OR 14 or NR 6 R 7 ; (d) when R 9 is OCH 3 , then R 10 is CH 3 ; (e) when either one of R 1 or R 2 is CO 2 R 8 , then the other must not be S(O) n R 5 , S(O) m R 5 or NR 6 R 7 ; and (f) the total number of carbon atoms in R 26 to R 31 combined, is equal to or less than four.
Claim 3
Dependent Claim 30 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected postemergence or preemergence an effective amount of a compound of claim 1.
Claim 4
Dependent Claim 33 words
An agriculturally suitable composition for controlling the growth of undesired vegetation comprising an effective amount of a compound of claim 1 and at least one of the following: surfactant, solid or liquid diluent.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-11-09 1991-05-11 1991-11-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-11-09 1995-05-11 1995-11-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-11-09 1999-05-11 1999-11-10 $7700.00 Window Closed / Lapsed

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