Abstract: The present invention provides a composition for inhibiting phase separation and the resulting non-uniform distribution of an active ingredient in low viscosity, water-based pesticide suspensions. In accordance with this invention, the composition comprises from about 0.003% to about 50% by weight of a pesticide, from about 0.5% to about 10% by weight of a wetting agent; from about 0.0% to about 0.8% by weight of a thickener; from about 0.1% to about 0.5% of an antimicrobial agent; from about 5% to about 20% of an anti-freeze; from about 1% to about 8% of a hydrophobic fumed silica; and from about 40% to about 95% of water. In an embodiment of the invention, the hydrophobic fumed silica results from a hydrophilic silica which is treated with dimethyldichlorosilane.

Abstract: The invention relates to novel S-aryl-dithiazine dioxides, to processes for their preparation and to the use in crop protection and in the protection of materials.

Abstract: The present invention relates to a dry composition that can be used as a herbicide. The composition contains N-(4-fluorophenyl)-N-(1-methylethyl)-2-[[5-(trifluoromethyl)-1,3,4-thiadia zol-2-yl]oxy]acetamide, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5-(4H)-one, and a pH adjusting agent. The pH adjusting agent is present in an amount such that it constitutes from about 0.1% to about 10% of the composition, and the resulting pH is from about 2.8 to about 5.4. The molar ratio of 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5-(4H)-one to N-(4-fluorophenyl)-N-(1-methylethyl)-2-[[5-(trifluoromethyl)-1,3,4-thiadia zol-2-yl]oxy]acetamide in the composition is from about 1:1 to about 1:6.

Abstract: The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an organic solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.

Abstract: The present invention relates to insecticidal mixtures of chloronicotinyl insecticides of the formula (I) ##STR1## in which R.sup.1 represents C.sub.1 -C.sub.5 -alkyl,R.sup.2 represents hydrogen or C.sub.1 -C.sub.5 -alkylorR.sup.1 and R.sup.2 together represent --CH.sub.2 --CH.sub.2 --; --CH.sub.2 --CH.sub.2 --CH.sub.2 -- or ##STR2## X represents an NH group, NCH.sub.3 group or represents sulphur, Y represents nitrogen or a CH group andZ represents cyano or nitro,with one or more of the synergists mentioned in the description.

Abstract: The invention relates to a process for preparing substituted arylpyrazoles of the general formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined in the description, and to novel intermediates for preparing these arylpyrazoles.

Abstract: Triazoyl mercaptides of the formula (I) ##STR1## in which M is an alkaline metal cation, an equivalent of an alkaline earth cation, an equivalent of a copper zinc, iron or nickel cation or an ammonium cation andR.sup.1 is various radicals, a process for the production of the novel substances and their use to combat undesired micro-organisms.

Abstract: The invention concerns 1,3-dimethyl-5-fluoro-pyrazole-4-carboxamides of formula (I) in which R stands for a group of formula(II) or (III), in which: R.sup.1 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; m stands for integers from 0 to 3 or two vicinal R.sup.1 groups together stand for an alkylene chain with 3 or 4 carbon atoms; R.sup.2 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; and n stands for integers from 0 to 3 or two vicinal R.sup.2 groups together stand for an alkylene chain with 3 or 4 carbon atoms. The invention further concerns a process for preparing the novel substances, and their use for combating undesirable micro-organisms for plant- and material-protection purposes.

Abstract: The present invention relates to new substitued 1,2,3,4-tetrahydro-5-nitro-pyrimidines of the formula (I) ##STR1## in which Het represents optionally substituted pyridyl or thiazolyl,R.sup.1 represents C.sub.1-4 -alkyl,R.sup.2 represents C.sub.1-4 -alkyl,R.sup.1 and R.sup.2 together with the adjacent atoms form a saturated 5- or 6-membered ring which optionally contains N or O as further hetero atom and which is optionally substituted,A represents straight-chain or branched alkylene having at least 2 C atoms which is optionally substituted by phenyl, halogen, OH, CN or the radical NR.sup.4 R.sup.5, where R.sup.4 and R.sup.5 represent hydrogen, C.sub.1-4 -alkyl or phenyl, and which is optionally interrupted,R.sup.3 represents one of the radicals ##STR2## wherein the variables are herein below defined.

Abstract: A novel process for the preparation of 2-chloro-benzimidazole derivatives of the formula ##STR1## in which A represents optionally halogenated alkylene having 1 or 2 carbon atoms,which process comprises reaction 1,3-dihydro-benzimidazol(ethi)ones of the formula ##STR2## in which X represents oxygen or sulphur,with phosphorus oxychloride.Novel 1,3-dihydro-benzimidazol(ethi)ones of the formula(II) and process for their preparation.

Abstract: The present invention provides the composition for novel acyl-mercapto-triazolyl derivatives, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.

Abstract: The present invention provides a composition for inhibiting the growth of microorganisms in water-based pesticide suspensions. In accordance with this invention, the composition comprises from about 0.01% to about 60% by weight of a pesticide; from about 0% to about 20% by weight of a surfactant; from about 0% to about 20% by weight of an antifreeze agent; from about 0% to about 5% by weight of a viscosity builder; from about 0.5% to about 2% by weight of acetic acid; and from about 10% to about 99.49% by weight of water. In a preferred embodiment of the invention, the acetic acid has a pH of from about 3 to about 5.

Abstract: The invention concerns a novel process for preparing racemic phenethylamines of formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings given in the description. According to this process: a) in a first step, optically active phenethylamines of formula (I*) ##STR2## are reacted with acetophenone derivatives of formula (II), ##STR3## the optically active phenethylamine used and the acetophenone derivative used each being substituted in an identical manner in the phenyl part, optionally in the presence of a diluting agent and optionally in the presence of a catalyst; b) in a second step, the resultant optically active Schiff bases of formula (III*) ##STR4## are reacted with metallic hydroxides containing between 0.1 and 50 wt. % water; and c) in a third step, the resultant racemic Schiff bases are reacted with acids in the presence of water.

Abstract: The present invention concerns novel imidazol derivatives of the formula (I), ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and A have the meanings given in the description,and the acid addition salts and metal salt complexes, several processes for the production of the novel substances and their use for combating undesirable micro-organisms in plant and material protection.

Abstract: The present invention provides a process for making 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole. The process includes the steps of reacting methyidithiocarbazinate with trifluoroacetic acid, in the absence of phosphorus trichloride, to form a mixture of 2-(methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole and 2,5-bis-(methylthio)-1,3,4-thiadiazole. Further, the process of the present invention includes selectively removing the 2,5-bis-(methylthio)-1,3,4-thiadiazole by acidifying the reaction mixture, and then separating the aqueous and organic phases.

Abstract: The invention concerns a new method for producing optically active 1-phenylethylamines, wherein (a) racemic 1-phenylethylamines are reacted with (S)-(-)-N-phenylcarbamate lactic acid in the presence of an aliphatic or aromatic hydrocarbon and in the presence of a lower aliphatic alcohol, wherein the reaction components are measured so that for every mole of racemic amine, between 0.25 and 0.5 mole of (S)-(-)-N-phenylcarbamate lactic acid are present, the reaction mixture is then concentrated at a liquid-phase temperature of up to 40.degree. C.

Abstract: The present invention provides a process for making thiadiazole sulfones. In particular, the present process is used to make 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole using catalytic oxidation in the presence of a suitable oxidizing agent. The catalyst system used for the oxidation reaction is a mixture of glacial acetic acid and a tungsten catalyst. The tungsten catalyst is preferably selected from the group consisting of sodium tungstate, potassium tunstate, and tungstic acid.

Abstract: A novel process for the preparation of 2-chloro-benzimidazole derivatives of the formula in whichA represents optionally halogenated alkylene having 1 or 2 carbon atoms,which process comprises reacting 1,3-dihydro-benzimidazol(ethi)ones of the formula ##STR1## in which X represents oxygen or sulphur,with phosphorus oxychloride.Novel 1,3-dihydro-benzimidazol(ethi)ones of the formula (II) and processes for their preparation.

Abstract: Disclosed herein is a process for preparing high yields of methyl dithiocarbazinate by reacting carbon disulfide, hydrazine and a base in an aqueous medium, in an effective ratio to form a dithiocarbazinate salt followed by methylating the dithiocarbazinate salt with methyl bromide.

Abstract: The present invention relates to novel 4-cyclohexylphenyl-oxazolines of the formula (I) ##STR1## in which X.sup.1, X.sup.2, X.sup.3, R.sup.1 and R.sup.2 are each as defined in the description,to processes for their preparation and to their use for controlling animal pests.