The invention involves a method for making uniformly sized particles from water-insoluble drugs or other organic compounds. First, a suitable solid organic compound is dissolved in an organic solvent, and the solution can be diluted with a non-solvent. Then, an aqueous precipitating liquid is infused, precipitating non-aggregated particles with substantially uniform mean diameter. The particles are then separated from the organic solvent. Depending on the organic compound and the desired particle size, the parameters of temperature, ratio of non-solvent to organic solvent, infusion rate, stir rate, and volume can be varied according to the invention.

Method for making uniformly sized particles from water-insoluble organic compounds

The invention involves a method for making uniformly sized particles from solid compounds. First, a suitable solid compound is dissolved in a suitable solvent. Then, a precipitating liquid is infused, precipitating non-aggregated particles with substantially uniform mean diameter. The particles are then separated from the solvent. Depending on the solid compound and the desired particle size, the parameters of temperature, ratio of non-solvent to solvent, infusion rate, stir rate, and volume can be varied according to the invention. The precipitating liquid may be aqueous or non-aqueous, depending upon the relative solubility of the compound and the desired suspending vehicle.

Method for making uniformly-sized particles from insoluble compounds

The invention relates to insecticide and acaricide mixtures containing certain cyclic ketoenols and agonists or antagonists of nicotinergic acetylcholine receptors in order to protect plants from attack by pests.

Active ingredient combinations having insecticidal and acaricidal properties

The invention relates to novel insecticidal active compound combinations comprising, firstly, cyclic ketoenols or other acaricidally active compounds and, secondly, further insecticidally active compounds from the group of the anthranilamides, which combinations are highly suitable for controlling animal pests, such as insects and unwanted acarids.

Active agent combinations with insecticidal and acaricidal properties

Benzoylurea chitin synthesis inhibitors are widely used in integrated pest management (IPM) and insecticide resistance management (IRM) programs due to their low toxicity to mammals and predatory insects. In the past decades, a large number of benzoylurea derivatives have been synthesized, and 15 benzoylurea chitin synthesis inhibitors have been commercialized. This review focuses on the history of commercial benzolyphenylureas (BPUs), synthetic methods, structure–activity relationships (SAR), action mechanism research, environmental behaviors, and ecotoxicology. Furthermore, their disadvantages of high risk to aquatic invertebrates and crustaceans are pointed out. Finally, we propose that the para-substituents at anilide of benzoylphenylureas should be the functional groups, and bipartite model BPU analogues are discussed in an attempt to provide new insight for future development of BPUs.

Benzoylurea Chitin Synthesis Inhibitors.

N-phenyl-N'-benzoyl-ureas of the formula ##STR1## in which R represents halogenoalkyl with 1 to 4 carbon atoms, R 1 represents hydrogen or halogen, R 2 represents halogen, nitro, alkyl with 1 to 3 carbon atoms or alkoxy with 1 to 3 carbon atoms, X represents an oxygen atom or sulfur atom, and n denotes 0, 1, 2, 3, 4 or 5; Which possess arthropodicidal properties.

N-Phenyl-N'-benzoyl-ureas and pesticidal compositions and uses therefor

2,2-Dimethyl-3-vinyl-cyclopropane carboxylic acid esters of halogenated benzyl alcohols of the formula ##STR1## in which each R independently represents F, Cl, Br or CH 3 and m and n each represent 0, 1, 2, 3, 4 or 5 subject to the sum of m+n being not more than 5, with the provisos that (i) when each R represents F or Br then m and n cannot both be 0, (ii) when each R represents Cl, then m represents 0, 1, 2, 3 or 4 and n represents 1, 2, 3, 4 or 5, and (iii) when each R represents CH 3 , then m represents 0 and n represents 5, which possess arthropodicidal properties

Combating arthropods with 2,2-dimethyl-3-vinyl-cyclopropane carboxylic acid esters of halogenated benzyl alcohols

4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula (I), in which R is chlorine, fluorine or methyl, R' is hydrogen, chlorine or fluorine, and R'' and R''' are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R'' and R''' can only be hydrogen.

4-Nitro-4{40 -{8 N-(N{40 -benzoyl)-ureido{9 -diphenyl ethers

Substituierte n-phenyl-n'-benzoyl- harnstoffe, verfahren zu ihrer herstellung und ihre verwendung als insektizide

N-(Substituted phenyl)-N'-benzoyl ureas of the formula ##STR1## in which R is chlorine or fluorine, R' is chlorine, fluorine or hydrogen, and R" is fluorine, chlorine or bromine. Which possess insecticidal properties.

Insecticidal N-(substituted phenyl)-N'-benzoyl ureas

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