Abstract: The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.

Abstract: The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R1, R2, R3, R4, R5, R6, and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HE1 is a group (HE1I), which increases the hole-injection and/or hole-transport properties of the polymers; or a group (HE1II), which increases the electron-injection and/or electron-transport properties of the polymers, or a group (HE1III), which increases the hole-injection and/or hole-transport properties of the polymers and the electron-injection and/or electron-transport properties of the polymers, x1 is 0, or 1, and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices.

Abstract: The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as electron transport material in electroluminescent devices, the compounds of formula I, or II may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.

Abstract: The present invention relates to electronic devices, especially electroluminescent devices, comprising azapyrenes of formula (I), or formula (III), wherein Y1, Y2, Y3, Y4, X1, X2 and X3 are independently each other N, or CR4, with the proviso that at least one of the groups X1, X2 and X3 is a group CR4, R1 is hydrogen, F, —SiR100R101R102, or an organic substituent, R4 is hydrogen, F, —SiR100R101R102, or an organic substituent, or any of the substituents R1, R1? and R4, which are adjacent to each other, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted, m is an integer of 1 to 6, and R100, R101 and R102 are independently of each other a C1-C8alkyl group, a C6-C24aryl group, or a C7-C12aralkyl group, which may optionally be substituted, and Q is a linking group; with the proviso that in the compound of formula (III) at least one of the substituents R1, or R4 is a group Q; especially as host for phosphorescent emitters, electron transporting materials, or emit

Abstract: The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs).

Abstract: In a method for interference suppression of a signal composed of symbols, each symbol is transmitted twice in temporal succession as first symbol and second symbol, so that a segment of a symbol corresponds to a segment of the first symbol and a segment of the second symbol. An interference-suppressed signal is composed from the first and second symbols.

Abstract: The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics.

Abstract: This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.

Abstract: The invention relates to a method for producing carboxylic acid esters by reacting a reaction mixture, comprising a carboxylic acid and/or a carboxylic acid anhydride, and an alcohol in a reaction system having one or more reactors, wherein reaction water is distilled off as an alcohol/water azeotrope with the exhaust vapor. In addition, the reaction mixture is treated with superheated alcohol vapor. The method allows the production of esters having a low acid number.

Abstract: The invention relates to a method for producing carboxylic esters by converting a carboxylic acid or a carboxylic acid anhydride or a mixture thereof with an alcohol in a reaction system comprising one or more reactors, wherein reaction water is distilled as alcohol-water-azeotrope with the vapors, the vapors are at least partially condensed, the condensate is separated into an aqueous phase and an organic phase and said organic phase is supplied at least partially back into said reaction system. Components boiling lower than the alcohol are at least partially removed from said returned organic phase such as wherein components boiling lower than alcohol are evaporated and/or distilled off. An enrichment in the reaction system of by-products boiling lower than alcohol is avoided. Alcohol losses can be minimized by discharge currents.

Abstract: Disclosed are electroluminescent devices that comprise organic layers that contain certain organic compounds containing one or more pyrimidine moieties. The organic compounds containing one or more pyrimidine moieties are suitable components of blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in for example mobile phones, televisions and personal computer screens.

Abstract: The present invention relates to electronic devices, especially electroluminescent devices, comprising azapyrenes of formula (I), or formula (III), wherein Y1, Y2, Y3, Y4, X1, X2 and X3 are independently each other N, or CR4, with the proviso that at least one of the groups X1, X2 and X3 is a group CR4, R1 is hydrogen, F, —SiR100R101R102, or an organic substituent, R4 is hydrogen, F, —SiR100R101R102, or an organic substituent, or any of the substituents R1, R1? and R4, which are adjacent to each other, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted, m is an integer of 1 to 6, and R100, R101 and R102 are independently of each other a C1-C8alkyl group, a C6-C24aryl group, or a C7-C12aralkyl group, which may optionally be substituted, and Q is a linking group; with the proviso that in the compound of formula (III) at least one of the substituents R1, or R4 is a group Q; especially as host for phosphorescent emitters, electron transporting materials, or emit

Abstract: The inventors have identified polypeptides having lipase activity in anaerobic thermophilic bacteria. Accordingly, the invention provides a process for hydrolyzing an ester bond in a substrate, which comprises treating the substrate with a particular lipase (a polypeptide having lipase activity). The invention also provides a lipase for use in the process and a polynucleotide encoding the lipase.

Abstract: The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: The present invention relates to polymers comprising repeating unit(s) of the formula (I), and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: This invention relates to electroluminescent metal complexes of the formula (I), wherein the ring A, formula (II), represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, formula (III), represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, formula (IV), represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, formula (V), represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1, or 2, m2 is an integer 0, or 1, M1 is a metal with an atomic weight of greater than 40, L3 is a monodentate ligand, or a bidentate ligand, Y is —C(?O)—, or —C(X1)2-, wherein X1 is hydrogen, or C1-4alkyl, especially hydrogen, and y is 0, or 1, especially 0; a process for their preparation, ele

Abstract: This invention relates to electroluminescent metal complexes of the formula (I), or (II), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.

Abstract: Disclosed are electroluminescent metal complexes with triazoles of the formula (I), where n1 is an integer of 1 to 3, m1 and m2 each are an integer 0, 1 or 2, M1 is a metal with an atomic weight of greater than 40, L1 is a monodentate ligand or a bidentate ligand, L2 is a monodentate ligand, Q2 stands for an organic bridging group completing, together with the bonding carbon atoms of the triazole ring, an annellated, carbocyclic or heterocyclic, non-aromatic ring, which optionally may be substituted, Q3 represents a group of forming a condensed aromatic, or heteroaromatic ring, which can optionally be substituted, as well as new intermediates for the preparation of these complexes, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.

Abstract: The invention concerns a fuel tank for a motor vehicle, comprising at least one venting device which is connected to a fuel vapor filter, wherein the venting device includes at least one collecting container for receiving liquid fuel. The fuel tank is distinguished in that disposed within the collecting container is a delivery pump for emptying it into the delivery volume of the fuel tank.