Abstract: The invention relates to the use of rylene derivatives of the general formula (I) as markers for liquids, where the symbols and indices have the meanings given in the specification.

Abstract: The present invention relates to chlorinated naphthalenetetracarboxylic acid derivatives, preparation thereof and use thereof as charge transport materials, exciton transport materials or emitter materials.

Abstract: Phthalocyanines of the formula (I) where the symbols and indices each have the definitions specified in the description are suitable as markers for liquids, especially mineral oils.

Abstract: The present invention relates to fluorinated rylenetetracarboxylic acid derivatives, to a process for their preparation and to their use, especially as n-type semiconductors.

Abstract: The present invention relates to the use of of perylene diimide derivatives as air-stable n-type organic semiconductors.

Abstract: A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic semiconducting compound to the area of the substrate where the gate structure, the source electrode and the drain electrode are located, wherein the n-type organic semiconducting compound is selected from the group consisting of compounds of the formula I wherein R1, R2, R3 and R4 are independently hydrogen, chlorine or bromine, with the proviso that at least one of these radicals is not hydrogen, Y1 is O or NRa, wherein Ra is hydrogen or an organyl residue, Y2 is O or NRb, wherein Rb is hydrogen or an organyl residue, Z1, Z2, Z3 and Z4 are O, where, in the case that Y1 is NRa, one of the residues Z1 and Z2 may be a NRc group, where Ra and Rc together are a bridging group having 2 to 5 atoms between the terminal bonds, where, in the case that Y2 is NRb, one of th

Abstract: A process for preparing terylene-3,4:11,12-tetracarboximides I where the variables are each defined as follows: R, R? are each independently hydrogen; if desired substituted alkyl or cycloalkyl; R1 is hydrogen or alkyl; R2 is hydrogen; alkyl; if desired substituted aryl or hetaryl, by reacting a perylene-3,4-dicarboximide II in the presence of a base-stable, high-boiling organic solvent and of an alkali metal or alkaline earth metal base, with a naphthalene-1,8-dicarboximide III in which X is hydrogen, bromine or chlorine.

Abstract: The present invention relates to the use of perylene diimide derivatives as air-stable n-type organic semiconductors.

Abstract: A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic semiconducting compound to the area of the substrate where the gate structure, the source electrode and the drain electrode are located, wherein the n-type organic semiconducting compound is selected from the group consisting of compounds of the formula I wherein R1, R2, R3 and R4 are independently hydrogen, chlorine or bromine, with the proviso that at least one of these radicals is not hydrogen, Y1 is O or NRa, wherein Ra is hydrogen or an organyl residue, Y2 is O or NRb, wherein Rb is hydrogen or an organyl residue, Z1, Z2, Z3 and Z4 are O, where, in the case that Y1 is NRa, one of the residues Z1 and Z2 may be a NRc group, where Ra and Rc together are a bridging group having 2 to 5 atoms between the terminal bonds, where, in the case that Y2 is NRb, one of the

Abstract: The present invention relates to the use of chlorinated copper phthalocyanines as air-stable n-type organic semiconductors.

Abstract: Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as polymeric dispersing additives for pigments. A preferred process for preparing modified polymeric dispersing additives comprises reacting a hyperbranched polyurethane having from 2 to 100 NCO groups and a molar mass of from 500 to 50,000 g/mol with one or more polyether derivatives.

Abstract: The present invention relates to a UV absorber which comprises a finely divided polymer with a volume-average particle size of from 5 to 1 000 nm, to a process for its preparation, and to its use for stabilizing molding compositions and coating films and as a light protection factor in cosmetic formulations.

Abstract: The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.

Abstract: The invention relates to compounds suitable as dispersion agent for pigments, of general formulae (I) to (III): R1—X—[—CO—NH—R2—NH—CO—Y—R3—Y—]r—CO—NH—R2—NH—CO—X—R1 (I); R1—X—[—CO—NH—R2—NH—CO—Y—R3—Y—]r—CO—NH—R4 (II); R1—X—[—CO—NH—R2—NH—CO—Y—R3—Y—]r—CO—NH—R2—NH—CO—Z—R5 (III), where R1=an alkyl-capped oligoalkylenoxide residue of general formula (IV): R6O—(—CH2—CH2—O—)a—(R7—O—)b— (IV), and X, Y and Z each=O or NH, R2=arylene or arylalkylene group on a diisocyanate, R3=alkylene, arylene or arylalkylene group on a diol or diamine, R4=alkyl, aryl or arylalkyl group on a monoisocyanate, R5=alkyl, aryl or arylalkyl on a monoalcohol or monioamine, R6=alkyl with 1 to 4 C atoms, R7=branched alkylene group with 3 to 8 C atoms, r=a rational number from 0 to 100, a=a whole number from 1 to 300 and b=a whole number from 0 to 30.

Abstract: A method of automated preparation and characterization of liquid multicomponent systems comprising at least two, preferably three components comprises the automated preparation of a mixture by combining at least two, preferably three components in a vessel, at least one component being metered in an automated fashion into the vessel, and the automated homogenization of the mixture with subsequent automated measuring and evaluation. The apparatus for conducting this method comprises at least one metering station, one closing station, one homogenizing station, one measuring station for determining formulation properties, and one evaluation unit.