Hoechst Aktiengesellschaft

Hans Schumacher

Erwin Hacker

Konrad Albrecht

Rudolf Heinrich

Hans Philipp Huff

Martin Hess

Hans-Philipp Huff

Hans-Gunter Marks

Hermann Bieringer

Klaus Bauer

Peter Langeluddeke

Heinz Frensch

Friedhelm Schwerdtle

Walter Dannigkeit

Joachim Baumg&auml;rtner

Hans R&ouml;chling

Manfred Rottele

The invention relates to water-dispersible granules of a pesticidally active main component of sufficiently high melting point, a liquid pesticidal active substance or pesticidal active substance of low melting point and/or which is not sufficiently biologically active in the solid state, in dissolved form, a solvent or solvent mixture with low volatility, and, if appropriate, further additives or adjuvants. The granules are prepared from an aqueous suspoemulsion of the components by removing the water, for example in a fluidized-bed drier. The novel granules are distinguished by an outstanding spontaneous dispersibility and a good biological activity of the formulations prepared from them.

Water-dispersible granules of suspoemulsions

The invention relates to herbicidal compositions which comprise

Synergistic herbicidal compostitions

The present invention relates to liquid herbicidal agents in the form of emulsifiable concentrates (EC) or concentrated emulsions (EW), which, in addition to 1-40% by weight of the active compound diclofop-methyl (I), fenoxaprop-ethyl (II) or the optically active isomer (D+) thereof fenoxaprop-P-ethyl (III), contain, as surfactants, 0.5-30% by weight of (C.sub.10 -C.sub.18)-fatty alcohol polyglycol ethers or (C.sub.8 -C.sub.9)-alkylphenyl polyglycol ethers which are ethoxylated with 6-10 mol of ethylene oxide, and in the case of EC formulations 0.5-7% by weight of calcium (C.sub.8 -C.sub.14)-alkylbenzenesulfonate, and in the case of EW formulations, as a dispersing agent, 0.5-7% by weight of an ethylene oxide-propylene oxide-ethylene oxide block copolymer phosphorylated in the alpha- and omega-position, or a salt thereof, in addition to the customary formulation constituents. Compared with the known active compound formulations, these have significantly increased activities and improved mixing properties with water and other commercially available preparations containing active compounds.

Liquid herbicidal agents

Synergistic herbicidal compositions

Synergistically increased effects against undesirable plant growth are achieved by a combined application of an active substance of the type A with an active substance of the type B, where type A represents the herbicides glufosinate (A1), glyphosate (A2), or salts thereof, and type B represents sulfonyl ureas of the formula (B) ##STR1## where R.sup.1 is a radical from the group comprising 2-ethoxyphenoxy, 2-propoxyphenoxy, 2-isopropoxyphenoxy, 2-methoxycarbonylphenyl, 3-(dimethylaminocarbonyl)-pyrid-2-yl, 3-ethylsulfonylpyrid-2-yl, 3-[N-(C.sub.1 -C.sub.4 -alkyl)-N-(C.sub.1 -C.sub.4 -alkylsulfonyl)amino]pyrid-2-yl, (N-methyl-N-methylsulfonyl)aminosulfonyl, 2-(2-chloroethoxy)phenyl, 2-(methoxycarbonyl)phenyl, 2-(meth-oxycarbonyl)thien-3-yl, with the remaining substituents as defined herein.

Synergistic herbicidal compositions comprising glyphosate or glufosinate

Combinations comprising 3-(4,6-dimethoxy-2-pyrimidinyl)-1-[(N-methyl-N-methylsulfonyl)aminosulfony l]-urea (I) and ioxynil (II) and/or bromoxynil (III) are useful herbicides with synergistic properties.

Herbicidal agents

Combinations consisting of 3-(4,6-dimethoxy-2-pyrimidinyl)-1-[(N-methyl-N-methylsulfonyl)-aminosulfon yl]-urea (I) and a phenylurea (II) are useful herbicides having synergistic properties.

The present invention relates to herbicidal agents which contain an effective amount of a compound of the formula I, its salt or its stereoisomers ##STR1## wherein R.sup.1 =a heterocyclic radical of the formulae ##STR2## R.sup.2 =H, (subst.) alkyl or (C.sub.2 -C.sub.4)alkynyl, R.sup.3 =Cl or CF.sub.3,

The present invention relates to herbicidal agents which contains an effective amount of a compound of the formula I, its salt or its stereoisomers ##STR1## wherein R.sup.1 =a heterocyclic radical of the formulae ##STR2## R.sup.2 =H, (subst.) alkyl or (C.sub.2 -C.sub.4)alkynyl, R.sup.3 =Cl or CF.sub.3,

The present invention relates to herbicidal agents which contain an effective amount of a compound of the formula I, its salt or its stereoisomers ##STR1## wherein R.sup.1 =a heterocyclic radical of the formulae ##STR2## R.sup.2 =H, (subst.) alkyl or (C.sub.2 -C.sub.4) alkynyl, R.sup.3 =Cl or CF.sub.3,

Herbicidial agents

The herbicidal agents containing a compound of the formula (A) ##STR1## in which R denotes ##STR2## in which X denotes chlorine or bromine and Y denotes H or chlorine, and R.sub.1 denotes H, alkyl, alkinyl or one equivalent of a cation, in combination with a compound of the formula (B) ##STR3## in which R.sub.2 denotes bromine or iodine and R.sub.3 denotes H, NH.sub.4, an alkali metal cation or (C.sub.1 -C.sub.8)-alkyl, or with a compound of the formula (C) ##STR4## in which R.sub.4 denotes H, (C.sub.1 -C.sub.8)-alkyl or one equivalent of a cation, with the condition that if, in formula (A), R denotes ##STR5## combinations of the compound of the formula (A) with compounds of the formula (B) are excluded.

Herbicidal agents containing chlorobenzoxazolyl-phenoxy propionic acid

Herbicidal aqueous microemulsions containing a combination of a herbicidal phenoxyphenoxy- or hetercaryloxyphenoxy-carboxylic acid ester with a salt of the herbicide bentazone (3-isopropyl-1H-benzo-2,1,3-thiadiazin-4-one 2,2-dioxide) as active substances; one or more emulsifiers wetting agents from among calcium dodecylbenzenesulfonate, ethoxylated castor oil, the ethoxylated nonylphenols, the alkanol polyglycol ethers or the fatty acid polyglycol esters, and one or more organic solvents from among the aromatics or ketones, are storage-stable at low and higher temperatures and show no inhomogeneities.

Herbicidal agents in the form of aqueous transparent microemulsions

Herbicidal agents containing an active substance of the formula (I) ##STR1## in which R denotes alkyl, in combination with an active substance of the formula (II) ##STR2## in which R.sub.1 denotes phenyl, which is substituted by chlorine or (C.sub.1 -C.sub.3)-alkyl, or denotes benzothiazolyl, R.sub.2 denotes H or methyl and R.sub.3 denotes H, methyl or methoxy, show super-additive actions and are outstandingly suitable for combating harmful plants in cereals.

Combinations of herbicides of the formula (I) ##STR1## wherein R denotes H, alkyl or one cation equivalent, with herbicides of the formula (II) ##STR2## wherein X denotes Cl or Br, Y denotes H or Cl and Z denotes alkyl, and if X is Br, Y must be Cl, possess surprising synergistic properties in controlling weeds.

Herbicidal compositions containing a compound of the formula I ##STR1## in which R is H, alkyl or a cation equivalent of a base, in combination with a compound of the formula II ##STR2## in which R is as defined above, have a selective synergistic herbicidal effect against weed grasses in dicotyledonous crop plants.

Growing community of inventors

Florsheim am Main, Germany

Hans Schumacher