Abstract: There is provide a novel process for producing a coated preparation composed of a hydrophilic core material coated with a coat material selected from hydrophobic hot-melt lipid to control dissolution of the core material in water and to prevent blocking during the production thereof. In this process, the melted coat material is added dropwise to the core material with fluidizing the core material to form at least one coating layer about the core material in the presence of, or by addition of &bgr;-form seed crystals of the coat material. Further, there is provided a water-soluble vitamin preparation having an improved flavor which contains a coated water-soluble vitamin having an unpleasant flavor produced by the novel process.

Abstract: The present invention relates to a process for the production of flexible polyurethane foams by reaction of a) at least one compound having at least two isocyanate-reactive hydrogen atoms, with b) polyisocyanates, wherein the compund used as said compound having at least two isocyanate-reactive hydrogen atoms a) comprises at least one block polyoxypropylene/polyoxyethylene/polyol having a hydroxyl value of from 25 to 45 mg KOH/g and a content of terminally bound ethylene oxide units of from 15 to 17 wt %, based on the total amount of the alkylene oxide, obtained by attachment of ethylene oxide and propylene oxide to an initiator having an average functionality of 3.

Abstract: The invention relates to colorant preparations containing the following main constituents: A) at least one dispersed (A1) or dissolved (A2) colorant; B) if a colorant corresponding to (A1) is used, a dispersing agent; C) a low-molecular polytetrahydurofurane (C1), optionally mixed with one or more difficult-to-evaporate, water-soluble or water-miscible organic solvents (C2); and D) water.

Abstract: Novel phosphites have the formula I P(O—R1)x(O—R2)y(O—R3)z(O—R4)p  I where R1: aromatic radical having a C1-C18-alkyl substituent in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic substituent in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic system fused on in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, R2: aromatic radical having a C1-C18-alkyl substituent in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic substituent in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic system fused on in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, where the aromatic radical

Abstract: There is provided a process for the preparation of a chiral insecticidal and acaricidal compound of formula I. Also provided are intermediate compounds useful in the process of the present invention.

Abstract: The present invention describes a process for preparing (meth)acrylic esters by acid-catalyzed esterification of (meth)acrylic acid or by transesterification of (meth)acrylic esters with alcohols, by adding the (meth)acrylic acid or the (meth)acrylic ester at a metering rate of less than 250 g per hour and liter of reactor volume and/or using at least 0.2 mmol of polymerization inhibitor per kg of alcohol and per meq/kg of peroxid number of the alcohol determined by the Sully method and/or thermally treating the alcohol in the absence of water before the esterification or transesterification.

Abstract: The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt.

Abstract: Benzhydryl derivatives of the formula I, where the index and the variables are as defined below: X is oxygen or sulfur; R1, R3 are halogen, cyano, nitro, hydroxyl, mercapto, amino, alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylcarbonyloxy, formyloxy, alkylthio, alkenylthio, alkynylthio, alkylamino, dialkylamino, alkylcarbonyl or formyl, where the carbon atoms in the radicals mentioned may be partially or fully halogenated; R2 is halogen, cyano, nitro, hydroxyl, mercapto, amino, alkyl, alkoxy, haloalkyl or haloalkoxy, where the groups R2 may be different if n=2; R4 is alkyl, alkenyl or alkynyl, where the carbon atoms in these radicals may be unsubstituted or partially or fully halogenated; R5, R6 are hydroxyl, alkyl, alkenyl, haloalkyl, haloalkenyl, alkoxy, alkenyloxy, haloalkoxy, haloalkenyloxy, cycloalkyl, cycloalkylalkyl, cycloalkoxy or cycloalkylalkoxy; n is 0, 1 or 2; processes for preparing the compounds I, compositions comprising them and their use for con

Abstract: A process for impregnating base paper or fiber webs with an aqueous dispersion of a polymer of free-radically polymerizable compounds (monomers), which comprises from 0.1 to 5% by weight of the monomers being methacrylic acid.

Abstract: Latently crosslinking aqueous polyurethane dispersions contain I) a disperse phase (P.I) containing Ia) a polyurethane (Ia) which, in addition to hydrophilic groups which produce water dispersibility, carries carbodiimide groups and substantially no carboxyl groups or Ib) a physical mixture of Ibi) a polyurethane (Ibi) which carries hydrophilic groups which produce water dispersibility and carries substantially no carbodiimide or carboxyl groups, and Ibii) a carbodiimide (Ibii) which carries substantially no hydrophilic groups which produce water dispersibility, and II) a disperse phase (P.II) containing another polymer (II) which carries substantially no carbodiimide groups and is substantially derived from II.1) from 30 to 99.

Abstract: The invention relates to a sandwich panel comprising A. a core layer of polypropylene particle foam, B. cover layers of fiber-reinforced polypropylene and also optionally C. decorative layers, wherein the core layer includes from 1 to 30% by weight of recyclate particles of components A, B and optionally C.

Abstract: The present invention relates to composite elements comprising at least one layer A which comprises at least one solid electrolyte Al, at least one adhesion-promoting layer B having a thickness of <100 &mgr;m and at least one component C which provides the composite layer with electrochromic properties, where composite elements of this type are particularly suitable for use in electrochromic windows, and to electrochromic windows and glazing comprising a composite element of this type, and to processes for the production of these composite elements.

Abstract: The invention relates to DMC catalysts which comprise at least 10% by weight, based on the weight of the DMC catalysts, of a crystalline multimetal cyanide compound whose X-ray diffractogram shows sharp reflections at least at the d values of 11.4 ű0.5 Å 8.9 ű0.5 Å 6.3 ű0.5 Å 5.8 ű0.5 Å 5.5 ű0.5 Å 4.5 ű0.5 Å 4.4 ű0.5 Å 3.9 ű0.4 Å 3.7 ű0.4 Å 3.4 ű0.4 Å.

Abstract: The invention relates to a process for the preparation of saturated C3-C20-alcohols in which a liquid hydrogenation feed comprising at least one C3-C20-aldehyde is passed over a bed of a hydrogenation catalyst in the presence of a hydrogen-containing gas, which comprises adding to the hydrogenation feed an amount, homogeneously soluble therein, of a salt-like base. The addition of base suppresses side reactions, such as acetalization, aldolization, Tischtschenko reaction or ether formation.

Abstract: The invention relates to a method for producing plants containing increased quantities of tocopherols, vitamin K, carotinoids, chlorophylls and polyterpenes by overexpression of a DXPRI gene.

Abstract: In a process for the preparation of alcohols by catalytic hydrogenation of carbonyl compounds, the catalyst used is 0.01 to 50% by weight of rhenium and 0 to 20% by weight, in each case based on the total weight of the catalyst, of at least one further metal chosen from Zn, Cu, Ag, Au, Ni, Fe, Cr, V on oxidatively pretreated activated carbon as support.

Abstract: The present invention relates to a process for the electrolytic transformation of at least one furan-base starting compound (A) in an electrolysis circuit. This process may be carried out in an electrolysis cell and include the electrolytically oxidizing the furan-based starting compound (A) to produce at least one alkoxylated furan compound (B) which has a C—C double bond in the five-membered heterocyclic ring, and hydrogen followed by hydrogenating the C—C double bond using hydrogen obtained at a cathode in the oxidizing step, hydrogen fed to the electrolysis circuit from outside or by electrocatalytic hydrogenation.

Abstract: In a thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column containing sieve trays as separating internals, at least some of the sieve trays are operated above an entrainment fraction of 10% by weight.

Abstract: Thermoplastic molding compositions comprising, as substantive constituents, A) from 5 to 96% by weight of a vinylaromatic polymer with a syndiotactic structure, B) from 2 to 50% by weight of an inorganic filler, C) from 1 to 15% by weight of a thermoplastic elastomer based on copolymers made from vinylaromatic monomers, dienes and, where appropriate, 1,1-diphenylethylene, D) from 1 to 10% by weight of a compatibilizer, and, where appropriate, E) from 1 to 15% by weight of an elastomeric particulate styrene-diene block copolymer whose diene content may have been completely or to some extent hydrogenated, and, where appropriate, F) additives, where the total of the percentages by weight of A) to F) is 100.

Abstract: Naphthalenesulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described is a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders.