Abstract: The use of 5-alkyl-6-phenylalkyl-7-aminoazolopyrimidines of the formula I in which the variables are as defined below: Y is alkylene, alkenylene or alkynylene, optionally substituted by alkyl groups; R1 is halogen, cyano, nitro, hydroxyl, mercapto, alkyl, haloalkyl, alkenyl, cycloalkyl, cycloalkenyl, alkoxy, haloalkoxy, alkenyloxy, alkynyloxy, alkylthio, NRARB, alkylcarbonyl, phenyl, naphthyl, or a five- or six-membered saturated, partially unsaturated or aromatic heterocycle which contains one to four heteroatoms from the group consisting of O, N and S; RA, RB is hydrogen, alkyl or alkylcarbonyl; n is zero, 1, 2, 3 or 4; R2 is alkyl, alkenyl, cycloalkyl, alkoxyalkyl or alkylthioalkyl; R3 is hydrogen, halogen, cyano, NRARB, hydroxyl, mercapto, alkyl, haloalkyl, cycloalkyl, alkoxy, alkylthio, cycloalkoxy, cycloalkylthio, carboxyl, formyl, alkylcarbonyl, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, phenyl, phenoxy, phenylthio, benzyloxy, benzylthio, alkyl-S(O)m—; m is 0, 1 or 2; A is N or

Abstract: 5,6-Dialkyl-7-aminoazolopyrimidines of the formula I in which the substituents are as defined below: R1 is haloalkyl, haloalkoxyalkyl, alkoxyhaloalkyl, alkenyl, haloalkenyl, alkynyl oder haloalkynyl; R2 is alkyl, alkoxyalkyl, alkenyl or alkynyl; where R1 and/or R2 may be substituted according to the description; A is N or CH, and R3 is CH3 and, if A is CH, additionally hydrogen; processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi.

Abstract: A process for regenerating a catalyst bed deactivated in the course of a heterogeneously catalyzed partial dehydrogenation of a hydrocarbon, in which a gas comprising molecular oxygen is conducted at elevated temperature through the deactivated catalyst bed and, in the course of the regeneration, the content of molecular oxygen in the regeneration gas is increased repeatedly and the increase in the carbon oxide content of the regeneration gas as it flows through the deactivated catalyst bed is restricted to values of ?5% by volume.

Abstract: The invention relates to a single fuel cell, comprising a) at least two electrochemically active electrodes, separated by a polymer electrolyte membrane and b) at least two separator plates, having at least one respective gas channel for reaction gases, whereby at least one separator plate is composed of glassy carbon. Said invention also relates to methods for producing said single fuel cell as well as to fuel cells, comprising such a single fuel cell.

Abstract: Rylenetetracarboximides of the general formula I in which the variables are defined as follows: R are identical or different radicals: hydrogen; alkyl, cycloalkyl, aryl or hetaryl, each substituted if desired; R? are identical or different radicals: hydrogen; aryloxy, arylthio, hetaryloxy or hetarylthio, each substituted if desired; n is 1 or 2, and also a process for preparing the rylenetetracarboximides I and their use for coloring high molecular weight organic and inorganic materials, for preparing aqueous polymer dispersions which absorb in the near infrared region of the electromagnetic spectrum, for producing markings and inscriptions which absorb infrared light and are invisible to the human eye, as infrared absorbers for heat management, as IR laser beam-absorbing materials in fusion treatment of plastics parts, and also as active components in photovoltaics.

Abstract: A process is proposed for obtaining a stream of aliphatic hydrocarbons comprising from 5 to 12 carbon atoms per molecule, with an increased proportion of linear ?-olefins compared to a feed stream of aliphatic hydrocarbons comprising from 5 to 12 carbon atoms per molecule, with a content of linear ?-olefins, linear internal olefins and dienes, wherein the feed stream is fed to a first distillation zone D1 having at least 5 theoretical plates, in which the linear ?-olefins are removed partly or fully as a component of a vapor stream which additionally also comprises the dienes, and at whose lower end a liquid stream is obtained which has been depleted partly or fully of linear ?-olefins, the liquid stream from the lower end of the first distillation zone D1 is introduced into a isomerization unit which is equipped with an isomerization catalyst over which the linear internal olefins are isomerized partly or fully to linear ?-olefins, and the linear ?-olefins formed in this way are removed as a component of

Abstract: Item comprising glass, wherein at least one portion of the surface of the glass has been adhesive-bonded to a thermoplastic polyurethane without any chemical adhesion promoter.

Abstract: The invention relates to a process for producing rigid polyurethane and polyisocyanurate foams by reacting polyisocyanates a) with compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) in the presence of blowing agents c), wherein prepolymers which comprise isocyanate groups and have an NCO content in the range from 25 to 31% by weight, based on the weight of the prepolymer, and are prepared by reacting ai) mixtures of monomeric and polymeric diphenylmethane diisocyanate with at least one compound having more than one hydrogen atom which is reactive toward isocyanate groups aii) are used as polyisocyanates a) and the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) comprise at least one polyester alcohol bi) which comprises at least one starting component which is hydrophobic.

Abstract: Process for producing porous polyisocyanate polyaddition products by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates in the presence of (f) solvent, wherein compounds having a functionality toward isocyanates of at least 6 and a molecular weight of at least 1000 g/mol are used as (b) compounds which are reactive toward isocyanates.

Abstract: A catalyst comprising nickel on a TiO2 support is obtainable by coprecipitation of nickel and at least one further metal selected from among Si, Zr, Hf, alkaline earth metals, Y, La and Ce, and optionally at least one dopant metal selected from groups 5 to 11 of the Periodic Table of the Elements, from a solution in which the corresponding metal salts are present onto a particulate TiO2 support, subsequent drying, calcination and reduction and optionally passivation to give the nickel-containing catalyst. It is used, in particular, for the hydrogenation of nitroaromatic compounds.

Abstract: A process for the removal of water from a mixture comprising water and zinc chloride, which comprises adding to said mixture comprising water and zinc chloride an aprotic, polar diluent whose boiling point in the case where an azeotrope is not formed between said diluent and water under the pressure conditions of the distillation mentioned below is higher than the boiling point of water and which is in liquid form at this boiling point of water or which forms an azeotrope or heteroazeotrope with water under the pressure and temperature conditions of the distillation mentioned below, and distilling the mixture comprising water, zinc chloride and the diluent with removal of water or said azeotrope or said heteroazeotrope from this mixture, giving an anhydrous mixture comprising zinc chloride and said diluent.

Abstract: Process for the continuous recirculation of the olefin which has not been reacted in the epoxidation of olefins by means of hydroperoxide to give oxiranes and is present in the offgas stream formed during the epoxidation, which comprises the steps (i) to (iii) (i) compressing and cooling the offgas stream, (ii) seperating the olefin from the offgas stream obtain in step (i) by distillation, (iii) epoxidizing the olefin seperating off in step (ii) by means of hydroperoxide.

Abstract: The present invention relates to the use of specific quaternized bioregulatory active ingredients in combination with triazole derivatives, in particular metconazole or an agriculturally utilizable salt thereof. Corresponding compositions are likewise described.

Abstract: A process is described for preparing diaminodiarylmethanes comprising the steps a) reacting an aromatic amine with a methylene-donating agent in the presence of homogeneous acid catalysts, b) removing the homogeneous acid catalyst from the reaction product, c) working up and purifying the reaction product, which comprises removing the homogeneous acid catalyst from the reaction mixture by adsorption to a solid adsorbent.

Abstract: Process for preparing an alkene oxide, which comprises at least the steps (i), (ii) and (v): (i) providing a stream S1 comprising compressed, liquid alkene; (ii) depressurizing at least part of the stream S1 with absorption of heat and with at least partial vaporization of the liquid alkene; (v) reacting the alkene obtained in (ii) with a hydroperoxide in the presence of at least one solvent and at least one catalyst to give a mixture comprising alkene oxide and the solvent or solvents.

Abstract: Rylene dyes of the general formula I where the variables are defined as follows: R is hydrogen; optionally substituted C1-C30-alkyl, C5-C8-cycloalkyl, aryl or hetaryl; R? is bromine; cyano; —NR32; optionally substituted aryloxy, arylthio, hetaryloxy or hetarylthio; optionally substituted C3-C18-alk-1-ynyl; X, Y are both hydrogen or together are a radical of the formula Ia n is 2, 3, 4 or additionally 1 when X and Y are a radical of the formula Ia; n? is from 1 to 4; m is from 0 to 6.

Abstract: A process for preparing acrylic acid, in which an acrylic acid-comprising product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid is fractionally condensed in a condensation column provided with internals ascending into itself with side draw removal of crude acrylic acid and with liquid phase draw removal of acrylic acid-comprising acid water, and acrylic acid present in acid water is taken up into an extractant and then removed from the extractant and recycled into the condensation column, or taken up in aqueous metal hydroxide, or sent to further purification of the crude acrylic acid.

Abstract: Process for the emulsion polymerization of one or more olefins by preparing a catalyst by reacting a quinoid compound with a metal compound and a phosphine compound which is substituted by at least one polar radical; and subsequently (co)polymerizing said one or more olefins in water or in a solvent mixture which contains at least 50% by weight of water and at least one emulsifier.

Abstract: The invention relates to the use of mixtures of polymers comprising amine groups and polymers comprising amide groups for modifying the rheology of compositions comprising water, and to rheology modifying methods. In particular, the invention relates to the use of these mixtures for the thickening of compositions comprising water for cosmetic, human and animal nutrition, dermatology, pharmacy and detergents and cleaners, crop protection, surface modification and during petroleum production, such as, for example, enhanced oil recovery.

Abstract: The invention relates to a process for separating off maleic anhydride from a gas stream comprising maleic anhydride, in which a) the gas stream comprising maleic anhydride is brought into contact with a liquid absorbent phase comprising at least one high-boiling inert absorption medium for maleic anhydride and b) maleic anhydride is separated off from the resulting liquid absorbate phase by stripping with a hydrogen-comprising gas as stripping medium in a column, wherein the stripping medium is fed in at two points on the column which are at least one theoretical plate apart.