Abstract: The present invention relates to a method for the control of aquatic weeds which comprises applying a herbicidally effective amount of at least one compound of formula (I) wherein X is halogen and R is halogen or C1-C6 alkyl, and/or one or more agriculturally acceptable salts thereof to act on submersed aquatic weeds and/or their aqueous habitat containing seeds or other propagating organs of said aquatic weeds.

Abstract: A working substance pairing comprising a working substance and an ionic liquid, its use in absorption heat pumps, absorption refrigeration machines and heat transformers and also corresponding apparatuses.

Abstract: A process for producing a catalytically active composition being a mixture of a multielement oxide comprising the elements Mo and V and at least one oxide of molybdenum, in which spray drying of an aqueous solution or of an aqueous suspension of starting compounds comprising the elements of the multielement oxide produces a spray powder P, a pulverulent oxide of molybdenum and optionally shaping assistants are added thereto, shaped bodies are shaped from the resulting mixture and these are converted to the catalytically active composition by thermal treatment.

Abstract: A single layer flexible foam includes the reaction product of an (A) isocyanate component and a (B) isocyanate-reactive component. The isocyanate component and the isocyanate-reactive component react in the presence of a (C) polyurethane gel. The polyurethane gel has a viscosity of from about 3,000 to about 12,000 cps at 25° C. and includes the reaction product of a polyol component and a second isocyanate component which react at an isocyanate index of from about 10 to about 70. The flexible foam also includes a plurality of agglomerated gel substrates that are formed from the polyurethane gel and that are dispersed in the flexible foam. The flexible foam is formed using a method including the steps of providing (A), providing (B), providing (C), and combining (C) with (A) and (B), such that (A) and (B) react in the presence of (C) to form the flexible foam.

Abstract: The present invention relates to the preparation of oxovinylionol and its O-protected derivatives of the formula I in which R is hydrogen or an OH protecting group, for example a group Si(Ra)3, by reacting a compound of the general formula II in which R has the meanings given above for formula I, i.e. ?-vinyl ionol (formula II, R=hydrogen) or an O-protected derivative thereof (formula II, R?OH protecting group) with an oxidant in the presence of at least one transition metal, where the oxidant comprises at least one oxygen-containing compound which is selected from among hydrogen peroxide and organic hydroperoxides.

Abstract: Process for the direct amination of hydrocarbons to aminohydrocarbons, which comprises the steps: a) reaction of a feed stream E comprising at least one hydrocarbon and at least one aminating reagent to form a reaction mixture R comprising aminohydrocarbons and hydrogen and b) electrochemical separation of at least part of the hydrogen formed in the reaction from the reaction mixture R by means of a gastight membrane-electrode assembly having at least one selectively proton-conducting membrane and at least one electrode catalyst on each side of the membrane, where at least part of the hydrogen is oxidized to protons over the anode catalyst on the retentate side of the membrane and the protons are, after passing through the membrane, b1) reduced to hydrogen and/or b2) reacted with oxygen from an oxygen-comprising stream O which is brought into contact with the permeate side of the membrane to form water over the cathode catalyst on the permeate side.

Abstract: Polymerizable alkylidene-1,3-dioxolan-2-one monomers, a process for preparation of polymerizable alkylidene-1,3-dioxolan-2-one monomers, and the use thereof for preparation of polymers. The invention also relates to the homopolymers and copolymers obtained by homopolymerization or copolymerization of alkylidene-1,3-dioxolan-2-one monomers and to the use thereof as a component in 2K binder compositions.

Abstract: In one aspect, the invention is directed to polypeptides having an amylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of starch into sugars.

Abstract: The present invention relates to compositions comprising at least one thermo-plastic polyurethane, at least one metal hydroxide, and at least one phosphorus-containing flame retardant, where the thermoplastic polyurethane is a thermo-plastic polyurethane based on at least one diisocyanate and on at least one polyesterdiol, and has a weight-average molar mass in the range from 50 000 g/mol to 200 000 g/mol, measured by means of GPC. The present invention further relates to the use of compositions of this type for producing cable sheathing.

Abstract: The invention relates to the use of a gas or liquid-jet curtain generated by spraying non-flammable gases or liquids for diluting and/or ejecting clouds of flammable gases, the density of which does not exceed the density of air, from containments that have one or more outer openings, and also to a method for diluting and/or ejecting clouds of flammable gases, the density of which does not exceed the density of air, from containments that have one or more outer openings, wherein, by spraying non-flammable gases or liquids at at least one outer opening, a gas or liquid-jet curtain is generated that dilutes the clouds of flammable gases situated in the containment or bears them in the direction of the at least one outer opening and thus ejects them.

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.

Abstract: A process for the preparation of mononitroaromatics and dinitroaromatics, in which a hydrate melt of at least one metal nitrate M(NO3)3 is used as a nitrating medium, it being possible for M to be the metals Fe, Cr, Y, La, Ce, Al, Bi and In, and the metal nitrate having a water content of from 4 to 9 mol of water per M(NO3)3, leads to simplifications of the process and improved yields.

Abstract: The present invention provides a chromatographic separation process for recovering a polyunsaturated fatty acid (PUFA) product from a feed mixture which is a fish oil or which is derived from fish oil, which process comprises the steps of: (i) purifying the feed mixture in a chromatographic separation step, to obtain a first intermediate product; and (ii) purifying the first intermediate product obtained in (i) in a simulated or actual moving bed chromatographic separation step, to obtain a second intermediate product; and (iii) purifying the second intermediate product obtained in (ii) in a simulated or actual moving bed chromatographic separation step, to obtain the PUFA product; wherein an aqueous organic solvent is used as eluent in each separation step; saturated and/or monounsaturated fatty acids present in the feed mixture are removed in the first separation step; the PUFA product is separated from different components of the feed mixture in steps (ii) and (iii); and the PUFA product obtained in the th

Abstract: The present invention relates to an extraction column 1 having a vertically aligned column body 2 which is cylindrical at least in sections and forms a column cavity 3 having a horizontal maximum extent, with provision in the column body 2 of at least one first feed 4 for an extractant, at least one second feed 5 for the fluid to be extracted and at least one outlet 6 for the extract mixture and at least one outlet for the raffinate. In the inventive extraction column 1, a vertically aligned divider 7 arranged within the column cavity 3 subdivides the column cavity 3 into a plurality of vertically aligned and horizontally divided regions, the horizontal maximum extent of each region being less than the horizontal maximum extent of the column cavity 3. The invention further relates to a process for extracting a constituent from a fluid by means of such an extraction column 1.

Abstract: A hydrophilic low acid content resin includes a polymerization product of a mixture including at least one (meth)acrylate and at least one (meth)acrylic acid; wherein the resin is water soluble; and the resin exhibits an acid value from 0 to about 120.

Abstract: A process for preparing 4-cyclohexyl-2-methyl-2-butanol, comprising: a) reaction of styrene with isopropanol at elevated temperature to obtain 2-methyl-4-phenyl-2-butanol, and b) heterogeneously catalyzed hydrogenation of 2-methyl-4-phenyl-2-butanol over a catalyst suitable for ring hydrogenation of aromatics, where the molar ratio of the styrene used in step a) to the isopropanol used in step a) is in the range from 1:below 5 to 1:0.5.

Abstract: The invention relates to foam comprising hollow microbeads and intended for sound absorption, comprising from 40 to 85% by weight of open-cell polymer foam and from 15 to 60% by weight of hollow microbeads with flexible external layer, where the D50 value of the hollow microbeads is at least 70 ?m and at most 250 ?m, based on the total weight of polymer foam and hollow microbeads, and also to a process for producing the same, comprising the following steps: I) impregnation of an open-cell polymer foam with a liquid dispersion comprising expandable hollow microbeads, II) if appropriate, pressing/compression and/or drying of the polymer foam, and III) heat-treatment of the impregnated polymer foam at a temperature above the expansion temperature and below the decomposition temperature of the expandable hollow microbeads, for the expansion of the hollow microbeads.

Abstract: A process for preparing aqueous solutions of homo- or copolymers of acrylic acid by means of free-radical polymerization of acrylic acid and optionally water-soluble, monoethylenically unsaturated comonomers in an aqueous medium in the presence of at least one water-soluble initiator and of at least one water-soluble regulator, wherein the polymerization is conducted by means of a continuous process, and wherein, after the polymerization, low molecular weight components are at least partly removed from the resulting aqueous polymer solution. For the polymerization, preference is given to using microstructured mixers and reactors. Preference is given to using at least one reactor and/or mixer with microstructures for the process.

Abstract: The present invention relates to microcapsules comprising a capsule core and a capsule wall, obtainable by a process comprising the free-radical polymerization of an oil-in-water emulsion which comprises the following constituents: 30 to 90% by weight based on the total weight of the monomers of one or more monomers (monomers I) from the group comprising C1-C24-alkyl esters of acrylic acid and/or methacrylic acid, acrylic acid, methacrylic acid, maleic acid, fumaric acid and itaconic acid 10 to 70% by weight based on the total weight of the monomers of one or more ethylenically unsaturated crosslinkers (monomers II), where at least 10% by weight, based on the total weight of the monomers I, II and III, is a highly branched polymeric crosslinker, 0 to 30% by weight based on the total weight of the monomers of one or more monounsaturated monomers (monomer III), which are different from the monomers I, and a hydrophobic core material, to a process for their preparation and to their use.