Plant protecting and regulating compositions – Plant growth regulating compositions – Plural active ingredients
Reexamination Certificate
2001-10-15
2004-09-21
Clardy, S. Mark (Department: 1616)
Plant protecting and regulating compositions
Plant growth regulating compositions
Plural active ingredients
C504S132000, C504S133000, C504S134000, C504S135000, C504S136000
Reexamination Certificate
active
06794335
ABSTRACT:
The present invention relates to a synergistically active herbicidal mixture composed of a sulfonylurea derivative (a) of the formula I and one or more herbicidal compounds b1 to b41.
Herbicidally active sulfonylureas of the formula I have been disclosed in the prior art, for example in EP-388 873, EP-559 814, EP-291 851 and DE-40 07 683 and the Conference Proceedings “Fluorine in Agriculture”, Jan. 9-11 1995, Manchester, chapter “New Fluoro Intermediates for Herbicidal Sulfonylureas”.
Herbicidal compounds b1 to b41 are described, for example, in “Herbizide”, Hock, Fedtke, Schmidt, 1st Edition, Thieme 1995 (see “quinclorac” p. 238, “molinate” p. 32, “butachlor” p. 32, “pretilachlor” p. 32, “dithiopyr” p. 32, “mefenacet” p. 32, “fenoxapropethyl” p. 216, “dimepiperate” p. 32, “pyrazolate” p. 146, “pyrazoxyfen” p. 146, “bensulfuron-methyl p. 31, “pyrazosulfuron-ethyl” p. 31, “cinosulfuron” p. 31, “benfuresate” p. 233, “bromobutide” p. 243, “dymrone” p. 243, “dimethyametryn” p. 118, “esprocarb” p. 229, “pyributicarb” p. 32, “cinemthylin” p. 32, “propanil” p. 32, “2,4-D” p. 30, “bentazone” p. 30, “DPX-A-8947” p. 175, “mecoprop-P” p. 237, “chlorpropham” p. 205, “thiocarbazil” p. 229, “ethoxyfen” p. 30, “haloxyfop-P-methyl” p. 38, “haloxyfop-ethoxyethyl” p. 38, “flumiclorac-pentyl” p. 35, “flupropacil” p. 143, “nipyraclofen” p. 145, “metosulam” p. 33, “ethametsulfuron-methyl” p. 36, “thifensulfuron-methyl” p. 35 or in “Agricultural Chemicals”, Book II Herbicides, 1993 see “thiobencarb” p. 85, “benzofenap” p. 221, Inapropanilid” p. 49, “piperophos” p. 102, “anilofos” p. 241, “TH-913” p. 150, “HW-52” p. 54, “ICIA-0051” p. 268, “poast” p. 253, “focus” p. 222, “dimethenamid” p. 48, “sulfosate” p. 236, “2,4-DB” p. 10, “dichlorprop-P” p. 6, “flupoxam” p. 44, “prosulfocarb” p. 84, “quinmerac” p. 233, “metazachlorn” p. 64, “flurtamone” p. 265, “bromofenoxim” p. 228, “fomesafen” p. 248, “imazethabenz-methyl” p. 153, “clodinafop” p. 214, “fenoxaprop-P-ethyl” p. 208, “fluazifop-P-butyl” p. 207, “quizalofop-P-ethyl” p. 210, “quizalofop-terfuryl” p. 211, “flumioxazin” p. 43, “flumipropyn” p. 267, “sulfentrazone” p. 261, “thiazopyr” p. 226, “pyrithiobac-sodium” p. 266, “flumetsulam” p. 227, “amidosulfuron” p. 151, “halosulfuron-methyl” p. 148, “rimsulfuron” p. 138, “tribenuron-methyl” p. 139, “triflusulfuron-methyl” p. 137, “primisulfuron” p. 147 or in “Short Review of Herbicides & PGRs 1991, Hodogaya Chemicals see “furyloxyfen” p. 142, “triazofenamid” p. 268, “KH-218” p. 52, “NSK-850” p. 52, “JC-940” p.90, “AC-92553” p. 58, “buthidazole” p. 88, “cyprazole” p.38, “allidochlor” p. 48, “benzoylprop-ethyl” 5 p. 38, “chlorthiamid” p. 150, “diphenamid” p. 34, “flamprop-methyl” p. 40, “fosamin” p. 232, “isoxaben” p. 42, “monalide” p. 32, “naptalam” p. 36, “pronamid” p. 34, “bialaphos” p. 234, “glufosinate-ammonium” p. 234, “glyphosaten p.” 232, “aamitrol” p. 254, “clomeprop” p. 20, “dichlorprop” p. 6, “fenoprop” p. 8, “fluroxypyr” p. 156, “MCPA” p. 4, “MCPB” p. 8, “mecoprop” p. 6, “napropamide” p. 16, “triclopyr” p. 154, “chloramben” p. 28, “dicamba” p. 26, “clomazone” p. 268, “diflufenican” p. 42, “fluorochloridone” p. 266, “fluridone” p. 156, “asulam” p. 112, “barban” p. 100, “butylate” p. 106, “carbetamide” p. 36, “chlorobufam” p. 100, “cycloate” p. 108, “desmedipham” p. 104, “di-allate” p. 106, “EPTC” p. 108, “orbencarb” p. 112, “pebulate” p. 106, “phenisopham” p. 118, “pendimedipham” p. 104, “propham” p. 100, “sulf-allate” p. 110, “terbucarb” p. 102, “tri-allate” p. 108, “vernolate” p. 108, “acetochlor” p. 48, “alachlor” p. 46, “diethathyl-ethyl” p. 48, “dimethachlor” p. 50, “metolachlor” p. 46, “propachlor” p. 44, “pyrnachlor” p. 44, “terbuchlor” p. 48, “xylachlor” p. 52, “alloxydim” p. 260, “clethodim” p. 270, “cloproxydimo p. 268, “tralkoxydim” p. 270, “dalapon” p. 212, “ethofumesate” p. 124, “benefin” p. 54, “butralin” p. 58, “dinitramin” p. 56, “ethalfluralin” p. 60, “fluchloralin” p. 54, “isopropalin” p. 58, “nitralin” p. 58, “oryzalin” p. 60, “prodiamine” p. 62, “profluralin” p. 54, “trifluralin” p. 54, “dinoseb” p. 128, “dinoseb-acetate” p. 128, “dinoterb” p. 128, “DNOC” p. 126, “acilfluorfen-sodium” p. 142, “aclonifen” p. 146, “bifenox” p. 140, “chlornitrofen” p. 138, “difenoxuron” p. 76, “fluorodifen” p. 138, “fluoroglycofen-ethyl” p. 146, “lactofen” p. 144, “nitrofen” p. 136, “nitrofluorfen” p. 140, “oxyfluorfen” p. 140, “cyperquat” p. 158, “difenzoquat” p. 160, “diquat” p. 158, “paraquat” p. 158, “benzthiazuron” p. 82, “buturon” p. 66, “chlorbromuron” p. 72, “chloroxuron” p. 76, “chlortoluron” p. 74, “cycluron” p. 84, “dimeturon” p. 88, “diuron” p. 70, “ethidimuron” p. 86, “fenuron” p. 64, “fluometuron” p. 68, “isoproturon” p. 80, “isouron” p. 88, “karbutilate” p. 76, “linuron” p. 72, “methabenzthiazuron” p. 82, “metoxuron” p. 72, “monolinuron” p. 66, “monuron” p. 64, “neburon” p. 72, “siduron” p. 68, “tebuthiuron” p. 86, “trimeturon” p. 64, “isocarbamid” p. 168, “imazamethapyr” p. 172, “imazapyr” p. 170, “imazaquin” p. 170, “imazethapyr” p. 172, “methazole” p. 162, “oxadiazon” p. 162, “tridiphane” p. 266, “bromoxynil” p. 148, “ioxynil” p. 148, “diclofop-methyl” p. 16, “fenthiaprop-ethyl” p. 20, “fluazifop-butyl” p. 18, “haloxyfop-methyl” p. 18, “isoxapyrifop” p. 22, “propaquizafop” p. 24, “quizalofop-ethyl” p. 20, “chlorfenac” p. 258, “chlorophenprop-methyl” p. 258, “chloridazon” p. 174, “maleic hydrazide” p. 162, “norflurazon” p. 174, “pyridate” p. 176, “clopyralid” p. 154, “picloram” p. 154, “chlorimuron-ethyl” p. 92, “chlorsulfuron” p. 92, “flazasulfuron” p. 96, “metsulfuron-methyl” p. 92, “nicosulfuron” p. 96, “sulfometuron-methyl” p. 92, “triasulfuron” p. 94, “ametryn” p. 198, “atrazine” p. 188, “aziprotryne” p. 206, “cyanazine” p. 192, “cyprazine” p. 192, “desmetryne” p. 200, “dipropetryn” p. 202, “eglinazine-ethyl” p. 208, “hexazinon” p. 208, procyazine” p. 192, “prometone” p. 196, “prometryn” p. 196, “propazine” p. 188, “secbumeton” p. 196, “simazine” p. 188, “simetryn” p. 196, “terbumeton” p. 204, “terbutryn” p. 198, “terbuthylazine” p. 190, “trietazine” p. 188, “ethiozin” p. 210, “metamitron” p. 206, “metribuzin” p. 202, “bromacil” p. 180, “lenacil” p. 180, “terbacil” p. 180, “benazolin” p. 262, “bensulide” p. 228, “benzofluor” p. 266, “butamifos” p. 228, “DCPA” p. 28, “dichlobenil” p. 148, “endothal” p. 264, “mefluididen” p. 306, “perfluidone” p. 260, “terbuchlor” p. 48 or in “Global Herbicide Directory” First Edition, 1994 see “oxadiargyl” p. 96, or in “European Directory of Agrochemical Products Volume 2—Herbicides” Fourth Edition, see “buminafos” p. 255. The compound “DEH-112” is disclosed in European Patent Application EP 0 302 203. The compound “caloxydim” is described in DE 3 336 140, the compound “cinidon-ethyl” in DE 3 603 789 and the compound “fluorbentranil” in EP 84 893. Other-compounds are known from “Brighton Crop Protection Conference—Weeds—1993 (see “thidiazimin” p. 29, “AC-322140” p. 41, “KIH-6127” p. 47, “prosulfuron” p. 53, “KIH-2023” p. 61, “metobenzuron” p. 67). The compound “CH-900” is described in EP 0 332 133.
In principle, it is desirable in crop protection products to increase the specific activity of an active ingredient and the reliability of its action. It was therefore the object of the present invention to increase the activity of known, herbicidally active-sulfonylureas of the formula I.
We have found that this object is achieved by a herbicidal mixture which comprises
a) at least one derivative of the sulfonylurea of the formula I
where the substituents have the following meanings:
R
1
is C
1
-C
6
-alkyl which has attached to it one to five of the following groups: methoxy, ethoxy, SO
2
CH
3
, cyano, chlorine, fluorine, SCH
3
, S(O)CH
3
;
halogen;
a group ER
6
where E is O, S or NR
7
;
COOR
8
;
NO
2
;
S(O)
o
R
9
, SO
2
NR
10
R
11
, CONR
10
R
11
;
R
2
is hydrogen, C
1
-C
4
-alkyl, C
2
-C
4
-alkenyl, C
2
-C
4
-alkynyl, halogen, C
1
-C
4
-alkoxy, C
1
-C
4
-haloalkoxy; C
1
-C
4
-haloalkyl, a C
1
-C
2
-alkylsulfonyl group, nitro, cyano or C
1
-C
4
-alkylthio;
R
3
is F, CF
3
, CF
2
Cl, CF
2
H, OCF
3
, OCF
2
Cl, or, if R
1
is CO
2
CH
3
Haden Egon
Hamprecht Gerhard
Kibler Elmar
Landes Max
Mayer Horst
Clardy S. Mark
Keil & Weinkauf
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