Abstract: The present invention relates to a process for preparing amines by reacting sugar alcohols with hydrogen and an aminating agent selected from the group of ammonia and primary and secondary amines in the presence of a catalyst at a temperature of from 100° C. to 400° C. and a pressure of from 1 to 40 MPa (from 10 to 400 bar). The catalyst preferably comprises one metal or a plurality of metals or one or more oxygen compounds of the metals of groups 8 and/or 9 and/or 10 and/or 11 of the Periodic Table of the Elements. The sugar alcohol is preferably obtained by hydrogenating the corresponding sugars. The invention further relates to the use of the reaction products as an additive in cement or concrete production and in other fields of use.

Abstract: The present invention relates to a process for the preparation of cis-2-(2-methylprop-1-enyl)-4-methyltetrahydropyran comprising the catalytic hydrogenation of 2-(2-methylprop-1-enyl)-4-methylenetetrahydropyran in the presence of hydrogen and a heterogeneous catalyst comprising ruthenium on a support and subsequently bringing the compounds obtained in this way into contact with a strongly acidic cation exchanger.

Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the steps: (A) production of a suspension of the mixture comprising at least one first material and at least one second material and at least one magnetic particle in a suitable suspension medium, (B) setting of the pH of the suspension obtained in step (A) to a value at which the at least one first material and the at least one magnetic particle bear opposite surface charges so that these agglomerate, (C) separation of the agglomerate obtained in step (B) from the suspension by application of a magnetic field and (D) dissociation of the agglomerate separated off in step (C) by setting of the pH to a value at which the at least one first material and the at least one magnetic particle bear the same surface charges in order to obtain the at least one first material.

Abstract: The present invention relates to triazolylmethyloxiranes of the formula I in which the variables D and B have the meanings as defined in the description and the claims.

Abstract: The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in an at least three-stage reactor cascade.

Abstract: The present invention relates to a process for preparing 4,4?-[1-(trifluoromethyl)alkylidene]bis(2,6-diphenylphenols), in particular for preparing 4,4?-[1-(trifluoromethyl)ethylidene]bis(2,6-diphenylphenol), which comprises the self-condensation of cyclohexanone in the presence of a basic catalyst to form tricyclic condensation products, dehydrogenation of the resulting tricyclic condensation products in the presence of a supported transition metal catalyst in the condensed phase to form 2,6-diphenylphenol and reaction of the 2,6-diphenylphenol with a trifluoromethyl ketone. The invention further provides an improved process for preparing 2,6-diphenylphenol by aldol self-condensation of cyclohexanone.

Abstract: The invention relates to a method for the treatment of surfaces of wood or woodbase materials with surface treatment compositions, and the timbers or woodbase materials thus treated by impregnating with a curable aqueous composition of ?) low molecular weight compounds V which have at least two N-bonded groups and/or ?) precondensates of the compound V and/or ?) reaction products or mixtures of the compound V with at least one alcohol which is C1-C6-alkanols, C2-C6-polyols or oligoalkylene glycols; treating that impregnated material at elevated temperature and) treating at least one surface of the wood or woodbase material to be treated with a surface treatment composition.

Abstract: A transgenic plant transformed by a phosphatase stress-related protein (PHSRP) 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 PHSRPs, and isolated nucleic acid coding PHSRPs, and vectors and host cells containing the latter.

Abstract: A process for producing a liquid formulation of salts of sulfonated azo dyes by coupling an at least equimolar amount of diazotized aminoarylsulfonic acids I H2N—Ar—SO3H??(I), where Ar is phenylene (which may be monosubstituted by sulfo) or naphthylene (which may be mono- or disubstituted by sulfo and/or monosubstituted by hydroxyl) onto the coupling product of an unsubstituted or methyl-substituted phenylenediamine with itself comprises dissolving the azo dye in a basic medium and then subjecting the solution to a nanofiltration.

Abstract: The use of benzophenones of the formula I in which R is hydrogen or C1-C4-alkyl and Hal is fluorine, chlorine or bromine for controlling Pseudocercosporella herpotrichoides in crop plants is described.

Abstract: The present invention relates to a process for preparing 1-alkyl-3-phenyluracils of the formula I where the variables R1 to R7 are as defined in the description by reacting 3-phenyluracils of the formula II and alkylating agents of the formula III R1-L1??III, with one another, wherein during the entire reaction the pH is kept in a range from 1 to 6 by adding base a little at a time.

Abstract: A method for dehydrogenating primary or secondary alcohols having 1 to 12 carbon atoms to give the corresponding aldehydes or ketones in which the alcohol is brought into contact with a catalytically active composition comprising an active component of the formula PdaBibYcZd, where Y is selected from the group consisting of Co, Rh, Pt, Ag, Au, and Z is selected from the group consisting of Na, Cs, Mg, Ca, Ba, V, Cr, W, Fe, Ni, Cu, Sb where the indices a, b, c and d give the mass ratios of the respective elements to one another, where a=0.1-3, b=0.1-3, c=0-3, d=0-1.

Abstract: A herbicidal mixture, comprising A) picolinafen (I) or an agriculturally useful salt thereof, and B) at least one further herbicide selected from the group of the phthalamates (B1), semicarbazones (B2), chloracetanilides (B3), carbamates (B4), pyridazines (B5), dinitrophenols (B6), dipyridylenes (B7), benzothiadiazoles (B8), uracils (B9), pyridazinones (B10), phenylcarbamates (B11), benzoic acids (B12), quinolinecarboxylic acids (B13), nitriles (B14), benzamides (B15) and amides (B16).

Abstract: The present invention concerns a proton-conducting electrolyte membrane obtainable by a method comprising the following steps: A) expanding a polymer film with a liquid that contains a vinyl-containing phosphonic acid, and B) polymerisation of the vinyl-containing phosphonic acid present in the liquid introduced in step A). An inventive membrane, thanks to its exceptional chemical and thermal properties, is very versatile in its use and is particularly suitable as a polymer-electrolyte-membrane (PEM) in so-called PEM fuel cells.

Abstract: A method for detecting differences between physically measurable properties of a sample and a reference sample. A two-dimensional reference field is generated and first and second two-dimensional patterns are produced respectively from the reference sample and the sample. A correction is made to sample response functions to eliminate time-dependent and location-dependent fluctuations of the detector.

Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitrites and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr

Abstract: Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure such that evaporation of the components is avoided.

Abstract: The invention relates to a photovoltaic cell comprising a photovoltaically active semiconductor material, wherein the photovoltaically active semiconductor material is a p- or n-doped semiconductor material comprising a binary compound of the formula (I) or a ternary compound of the formula (II): ZnTe??(I) Zn1-xMnxTe??(II) where x is from 0.01 to 0.99, and a particular proportion of tellurium ions in the photovoltaically active semiconductor material has been replaced by halogen ions and nitrogen ions and the halogen ions are selected from the group consisting of fluoride, chloride and bromide and mixtures thereof.

Abstract: An isobutene polymer which has an average of at least 1.4 terminal 1,3-propanediol groups is described, as is a crosslinking product thereof. Suitable crosslinkers are difunctional or higher-functionality isocyanates or epoxy compounds having at least two epoxide groups. The crosslinking products exhibit high storage moduli even at elevated temperatures.

Abstract: This invention relates generally to nucleic acid sequences encoding proteins that are associated with abiotic stress responses and abiotic stress tolerance in plants. This invention further relates to transformed plant cells with altered metabolic activity compared to a corresponding non transformed wild type plant cell, wherein the metabolic activity is altered by transformation with a Stress-Related Protein (SRP) coding nucleic acid and results in increased tolerance and/or resistance to an environmental stress as compared to a corresponding non-transformed wild type plant cell.