Abstract: The invention relates to a process for preparing cerium(III) compounds which comprises the steps of a) contacting a starting composition A comprising cerium dioxide and at least one further metal oxide selected from the group consisting of iron oxide, silicon dioxide, molybdenum oxide, lanthanum oxide, magnesium oxide and calcium oxide with at least one acid S and at least one iron component E comprising iron in the oxidation state 0 and/or II at a temperature ranging from 40 to 160° C. and at a pH of not more than 2 to obtain a solution L comprising cerium in the oxidation state III; b) adding at least one basic compound C to said solution L to obtain a solid F comprising at least one cerium(III) compound; c) separating off said solid F comprising at least one cerium(III) compound.

Abstract: Process for producing a supported silver catalyst, which comprises (a) reacting oxalic acid with an alkali metal base in a solvent, preferably water, to the second equivalence point of oxalic acid to give alkali metal oxalate; (b) reacting the alkali metal oxalate obtained according to (a) with silver salt in a solvent, preferably water, to give silver oxalate; (c) forming a complexation of the silver oxalate obtained according to (b) with a diamine compound in a solvent, preferably water, to give a diamine-silver oxalate complex.

Abstract: The present invention provides herbicide-tolerant plants. The present invention also provides methods for controlling the growth of weeds by applying an herbicide to which herbicide-tolerant plants of the invention are tolerant. Plants of the invention may express an acetyl-Coenzyme A carboxylase enzyme that is tolerant to the action of acetyl-Coenzyme A carboxylase enzyme inhibitors.

Abstract: A method for materials recovery from a catalyst comprising oxides of iron, cerium, molybdenum, and potassium, in which potassium and molybdenum are removed by treating the catalyst with an aqueous leachant, giving an aqueous solution S1 comprising potassium and molybdenum, and a solid residue R1 comprising cerium oxide and iron oxide, and recovering cerium in the form of a solid comprising a cerium(III) compound or cerium(IV) oxide from the solid residue R1.

Abstract: The present invention relates to flame retardant polymer compositions which comprise aminoguanidine phenylphosphinates and mixtures with additional flame retardants. The compositions are especially useful for the manufacture of flame retardant compounds based on polyfunctional epoxides or polycondensates like polyesters, polyamides and polycarbonates.

Abstract: The invention relates to a process for reprocessing spent catalysts comprising rare earth metals, and to a process for producing a new styrene catalyst from a spent styrene catalyst.

Abstract: The invention relates to a synthetic phytase with elevated thermostability, elevated stability to acids at pH 2, elevated stability to pepsin and with a broadened active pH range, and to an isolated nucleic acid sequence coding for a synthetic phytase and to the use of the phytase in an animal feed for reducing the phosphate content in the slurry and to animal feed additives and animal feeds comprising the synthetic phytase.

Abstract: The present invention relates to a process for the preparation of a composition enriched in 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.

Abstract: The present invention relates to a process for the preparation of organozinc halides with low residual alkyl or aryl halide content.

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: A composition in compacted form for use for termite monitoring and control comprises a cellulose material which may be purified cellulose or microcrystalline cellulose as a base bait, the composition being compacted to an optimum density of not less than approximately 1.033 g/cc. Also disclosed is a method for monitoring and controlling termite infestations which comprises the steps of a) preparing such a composition; b) placing the composition in a bait station; c) monitoring the station at periodic time intervals for termites; and d) upon observing termite infestation in the bait station, replacing the above composition with a bait composition containing a termite killing agent.

Abstract: The invention relates to a process for preparing mixtures of diphenylmethanediamine and polyphenylenepolymethylenepolyamines, which comprises the steps a) reaction of aniline with formaldehyde in the presence of hydrochloric acid, b) neutralization of the reaction mixture formed in step a) c) separation of the organic phase from the aqueous phase, d) work-up of the organic phase, e) work-up of the aqueous phase, wherein step e) comprises at least the steps e1) extraction of the aqueous phase with an organic solvent, e2) stripping of the aqueous phase obtained in step e1), e3) absorption of the solution obtained from step e2).

Abstract: The present invention relates to a process for preparing acrylic acid by two-stage heterogeneously catalyzed partial gas phase oxidation of propylene, in which the propylene source used is a preceding propane dehydrogenation and in which the first oxidation stage is operated with restricted propylene conversion, and unconverted propane and propylene present in the product gas mixture of the second partial oxidation stage are recycled substantially into the preceding propane dehydrogenation.

Abstract: The present invention relates to the use of a polyurethane system, comprising (a) polyisocyanates, (b) at least one compound reactive with isocyanate, (c) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH2 group, (d) at least one catalyst, and (e) if appropriate, further additives, for production of polyurethane sandwich components. The present invention further relates to a process for production of polyurethane sandwich components, and to polyurethane sandwich components obtainable by this process.

Abstract: The present invention provides a polymer comprising a unit of formula and an electronic device comprising the polymer as semiconducting material.

Abstract: The present invention relates to a process for preparing a magnesium formate-based porous metal-organic framework, which comprises the steps (a) addition of magnesium or magnesium oxide to formic acid; (b) stirring of the reaction mixture at at least 75° C.; (c) isolation of the solid from the resulting suspension by filtration.

Abstract: A composition, such as a pigment dispersion or coating composition, includes a pigment and a wetting additive. The wetting additive includes a first agent and a second agent. The first agent has the following formula: X(AO)mH wherein X is a C6 to C16 branched chain, A is an alkylene group selected from the group of ethylene groups, propylene groups, butylene groups, and combinations thereof, and m is from about 3 to about 20. The second agent is different from the first agent and has the following formula: Y(A?O)nH wherein Y is a C6 to C16 linear chain, A? is an alkylene group selected from the group of ethylene groups, propylene groups, butylene groups, and combinations thereof, and n is at least about 3. The second agent has a triblock (A?O)p(EO)q(A?O)r configuration in the portion represented by (A?O)n, wherein A? is selected from the group of propylene groups, butylene groups, and combinations thereof and wherein p, q, and r are each independently at least 1.

Abstract: The present invention is directed to stable emulsions comprising polyolefins, in particular polyisobutene, the process to obtain said emulsions and the use of said emulsions.

Abstract: Isolated nucleic acids and polypeptides associated with lipid and sugar metabolism regulation are provided. In particular, lipid metabolism proteins (LMP) and encoding nucleic acids originating from Arabidopsis thaliana are provided. The nucleic acids and polypeptides are used in methods of producing transgenic plants and modulating levels of seed storage compounds in a plant. Preferably, the seed storage compounds are lipids, fatty acids, starches, or seed storage proteins.

Abstract: The present invention relates to herbicidal compositions comprising as herbicide A at least one protoporphyrinogen-IX oxidase inhibitor (PPO inhibitor), and at least one light detoxifying compound B, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of said herbicidal composition to act on plants, their seed and/or their habitat.