Abstract: Process for the preparation of bisepoxides, wherein a conjugated diene of the formula I where R1 is selected from hydrogen and C1-C12-alkyl, unsubstituted or substituted by one or more S—H or O—H groups, is reacted in the presence of a catalyst which is obtainable by bringing at least one manganese compound selected from A2MnX4, AMnX3, MnY, MnX2 and MnX3 into contact with at least one ligand L of the formula II where X are identical or different and are selected from monovalent anions, Y is a divalent anion, A is selected from alkali metal and ammonium, which may be alkylated, R2 are identical or different and are selected from C1-C20-alkyl, and at least one coligand which is derived from monocarboxylic acids, dibasic or polybasic carboxylic acids or diamines, with at least one peroxide, up to 4 equivalents of peroxide being used per equivalent of C—C double bond.

Abstract: A low temperature water gas shift catalyst containing copper, zinc, aluminum in which the aluminum component is prepared from highly dispersible alumina is disclosed.

Abstract: A process for the production of crepe paper by adhesive bonding of a paper web with the aid of an organic synthetic polymer or mixtures comprising said polymer to a creping cylinder, compression and removal of the crepe paper from the creping cylinder, the organic synthetic polymer used being at least one polymer comprising vinylamine units.

Abstract: The invention relates to a process for producing paper, board and cardboard of high dry strength by separately adding a polymer comprising vinylamine units and a polymeric anionic compound to a paper pulp, dewatering the pulp and drying the paper products, which comprises using as polymeric anionic compound at least one copolymer obtainable by copolymerizing (a) at least one N-vinylcarboxamide of the formula in which R1 and R2 are H or C1- to C6 alkyl, (b) at least one monoethylenically unsaturated monomer comprising acid groups, and/or the alkali metal, alkaline earth metal or ammonium salts thereof, and if appropriate (c) other monoethylenically unsaturated monomers, and if appropriate (d) compounds having at least two ethylenically unsaturated double bonds in their molecule.

Abstract: Catalysts which are prepared by reducing catalyst precursors which comprise a) cobalt and b) one or more elements of the alkali metal group, of the alkaline earth metal group, of the group consisting of the rare earths or zinc or mixtures thereof, the elements a) and b) being present at least partly in the form of their mixed oxides, and a process for the preparation of these catalysts and the use thereof for the hydrogenation of unsaturated organic compounds. Furthermore, a process for regenerating these catalysts by treatment of the catalyst with a liquid is described.

Abstract: The present invention relates to a packaging material in the form of a composite comprising at least one paper or cardboard support applied atop which there are at least one paper coating slip layer, if appropriate a print layer, if appropriate one or more thermoplastic layers and if appropriate one or more further layers, wherein at least one of the applied layers comprises microencapsulated latent heat storage material and the capsule wall of the microencapsulated latent heat storage material is constructed from 10% to 100% of one or more C1-C24-alkyl esters of acrylic by weight acid and/or methacrylic acid (monomers I), 0% to 80% of a difunctional or polyfunctional monomer by weight (monomers II) which is insoluble or sparingly soluble in water, and 0% to 90% of other monomers (monomer III), by weight based in each case on the total weight of the monomers, to a process for producing it, and to its use for packaging foodstuffs.

Abstract: An arrangement for carrying out chemical reactions comprises at least one distillation column and/or at least one container and at least one circulation evaporator, which are connected to one another via connecting elements, liquid being taken off completely or partly from a tray or from a stacked packing bed or from a dumped packing bed or from a liquid collector of the distillation column or being fed as an external feed stream below the lower tube sheet of the circulation evaporator to said evaporator.

Abstract: The invention relates to 2-cyano-3-(halo)alkoxy-benzenesulfonamide compounds I where the variables Alk and R1 to R5 are as defined in claim 1, and/or to their agriculturally useful salts.

Abstract: The invention relates to novel elongase genes with the sequences stated in sequence SEQ ID NO:1, SEQ ID NO: 3, SEQ ID NO: 5 and SEQ ID NO: 7 or their homologs, derivatives or analogs, to a gene construct comprising this gene or its homologs, derivatives and analogs, and to its use. The invention also relates to vectors or transgenic organisms comprising an elongase gene with the sequence SEQ ID NO:1, SEQ ID NO: 3, SEQ ID NO: 5 and SEQ ID NO: 7 or its homologs, derivatives and analogs. The invention furthermore relates to the use of the elongase gene sequences alone or in combination with further elongases and/or further fatty acid biosynthesis genes. The present invention relates to a novel elongase gene with the sequence SEQ ID NO:1 or its homologs, derivatives and analogs.

Abstract: The present invention relates to a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymer, diester or monoester by polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer and of an acidic heterogeneous catalyst based on activated sheet silicates or mixed metal oxides in a fluidized bed.

Abstract: Neutralizing a surfactant which is comprised of an alkaline-catalyzed reaction product between a monomeric or polymeric alcohol having at least one active hydrogen group and an alkylene oxide with a fatty acid allows the cloud point of the surfactant to be adjusted.

Abstract: Process for the continuous recirculation of the olefin which has not been reacted in the oxidation of olefins by means of hydroperoxide to give oxiranes and is present in the offgas stream formed during the oxidation, which comprises the steps (i) to (iii) (i) separating the olefin from the offgas stream by absorption in a hydrocarbon, (ii) desorbing the olefin from the hydrocarbon, (iii) recirculating the olefin obtained in step (ii) to the oxidation process.

Abstract: A method of matching a color of a powder paint system including a metallic pigment with a color of a liquid paint system includes applying the liquid paint system onto a substrate. A color effect-providing pigment different than the metallic pigment is added to the liquid paint system to match the color of the powder paint system with the color of the liquid paint system. The color of the liquid paint system including the color effect-providing pigment substantially matches the color of the powder paint system that includes the metallic pigment.

Abstract: Aqueous alkyl ketene dimer dispersions which comprise at least 15% by weight of an alkyl ketene dimer and at least one water-soluble cationic starch, aluminum sulfate and at least one condensate of naphthalenesulfonic acid and formaldehyde or lignin sulfonic acid or in each case salts thereof, the dispersions comprising, based in each case on alkyl ketene dimer, from 2 to 50% by weight of aluminum sulfate, and in which the dispersions additionally comprise from 0.1 to 5% by weight of a saturated carboxylic acid having 1 to 10 carbon atoms, benzenesulfonic acid, p-toluenesulfonic acid and/or a mineral acid at an aluminum sulfate content of from 2 to 15% by weight, and the use of the dispersions as engine size and surface size for paper and paper products.

Abstract: Fungicidal and bioregulatory mixtures, comprising (1) epoxiconazole of the formula I or salts or adducts thereof and (2) prohexadione-calcium of the formula II in a synergistically effective amount, methods for controlling pathogenic harmful fungi and for regulating the growth of plants using mixtures of a compound I and at least one active compound II and the use of a compound I with active compounds II for preparing such mixtures, and also compositions comprising such mixtures.

Abstract: A transgenic plant transformed by a GTP Binding Stress-Related Protein (GBSRP) coding nucleic acid, wherein expression of the nucleic acid sequence in the plant results in increased tolerance to environmental stress as compared to a wild type variety of the plant. Also provided are agricultural products, including seeds, produced by the transgenic plants. Also provided are isolated GBSRPs, and isolated nucleic acid coding GBSRPs, and vectors and host cells containing the latter.

Abstract: The present invention provides a process for preventing fumaric acid deposits in the preparation of maleic anhydride, comprising the following steps: a) absorption of a C4-dicarboxylic acid or of a derivative from a crude product mixture into an organic solvent or water as an absorbent, b) removal of the C4-dicarboxylic acid or of a derivative from the absorbent, the absorbent thus recovered being catalytically hydrogenated fully or partly and recycled fully or partly into the absorption stage (a).

Abstract: The process for producing multilayered sheetlike structures, particles or fibers comprises the steps of (a) applying a reactive polycarboxylic acid or one of its derivatives atop a sheetlike, particulate or fibrous carrier material already comprising, or previously provided with, groups reactive toward, capable of covalent bonding with, the polycarboxylic acid or one of its derivatives, (b) if appropriate heating the carrier material treated in step (a) to a temperature in the range from 60° C. to 130° C. and preferably to a temperature in the range from 80° C. to 120° C. to hasten, complete or further optimize the covalent bonds, (c) applying atop the carrier material a cellulose capable of covalent bonding with the polycarboxylic acid or its derivatives.

Abstract: The invention is directed to a process for the hydrogenation of unsaturated triglycerides in the presence of a supported precious metal catalyst and hydrogen, in which process a precious metal catalyst is used, comprising an aggregate of solid support, precious metal nano particles and surfactant or polymer.

Abstract: Finely divided, starch-containing polymer dispersions obtainable by emulsion copolymerization, with redox initiators, of ethylenically unsaturated monomers from the group consisting of (a) from 45 to 55% by weight of at least one optionally substituted styrene, methyl methacrylate, acrylonitrile and/or methacrylonitrile, (b) from 15 to 29% by weight of at least one C1-C12-alkyl acrylate and/or one C2-C12-alkyl methacrylate and (c) from 0 to 10% by weight of at least one other ethylenically unsaturated copolymerizable monomer in an aqueous medium in the presence of (d) from 15 to 35% by weight of a degraded cationized starch which has a molar mass Mw of from 1000 to 65 000, the sum (a)+(b)+(c)+(d) being 100% and being based on the total solids content, processes for the preparation of such polymer dispersions by emulsion polymerization of the monomers (a), (b) and (c) in an aqueous medium with redox initiators in the presence of (d) cationic starch, and use of the starch-containing polymer dispersions as size