Abstract: A process for preparing (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of a saturated hydrocarbon precursor compound, in which the charging gas mixture contains from 5 to 25% by volume of steam and the molar ratio of molecular oxygen present in the charging gas mixture to saturated hydrocarbon precursor compound present in the charging gas mixture is from 1.5:1 to 2.5:1.

Abstract: Aqueous dispersions comprising a polyurethane composed of (a) diisocyanates, (b) diols, (c) monomers, excluding monomers (a) and (b), containing at least one isocyanate or isocyanate-reactive group and further carrying at least one hydrophilic group to render the polyurethane dispersible in water, d) optionally, polyfunctional compounds, excluding monomers (a) to (c), containing alcoholic hydroxyl, primary or secondary amino, or isocyanate reactive groups, and (e) optionally, monofunctional compounds, excluding monomers (a) to (d), containing an alcoholic hydroxyl, primary or secondary amino, or isocyanate reactive group, obtained by reacting the monomers (a), (b), (c), and, optionally (d) and (e), in the presence of a cesium salt.

Abstract: The present invention relates to an adhesive comprising at least one copolymer selected from the group consisting of ethylenically unsaturated monocarboxylic and dicarboxylic acids, their anhydrides, their ester derivatives, and mixtures thereof and also at least one thickener and further customary auxiliaries. The present invention also relates to the preparation of this adhesive and to its use as an assembly adhesive.

Abstract: The invention provides carbamate-functional resins and coating compositions incorporating said resins that have improved adhesion with respect to subsequently applied films or coatings. More particularly, the invention relates to carbamate-functional addition polymers having at least 250 grams of polymer per carbamate group which are made with less than 35 percent by weight of nonfunctional monomers, preferably with less than 20 percent by weight and most preferably from 0 to less than 10 percent by weight, based on the total weight of the polymer. The invention further provides a method of making a carbamate-functional polymer and carbamate-functional polymers made by the claimed method. Finally, the invention provides a method for improving the adhesion of a first coating composition to a subsequently applied material as well as a method of making a composite comprising a coated substrate, an adhesive composition, and a glass having at least one surface.

Abstract: Acrylic acid is prepared by heterogeneously catalyzed partial oxidation of propane by a process in which the steam content of the reaction gas starting mixture is reduced in the course of the process.

Abstract: The invention provides a primary carbamate functional material of the formula: a method of making said materials and curable coating compositions comprising the primary carbamate functional material of the invention. The primary carbamate functional material comprises the reaction product of (1) at least one material P comprising one or more functional groups (i) which are reactive with a functional group Z but which are substantially nonreactive with a primary carbamate group X of monomeric reactive compound (2), and (2) a monomeric reactive compound comprising one or more structures of a particular formula.

Abstract: The present invention is a thickened dye composition and method of applying same to a paper web that produces colored or patterned paper having good bleed resistance. The dye composition of the invention includes a binder; a dye; a thickener selected from the group consising of polyvinylpyrrlidone homopolymers, polyvinylpyrrolidone copolymers, and mixtures thereof; and water. The present invention also includes colored or patterned papers prepared using this conposition.

Abstract: A pressure sensitive adhesive comprising a mixture of: a radiation-crosslinkable polymer A) composed of at least 40% by weight of C1 to C18 alkyl (meth)acrylates, and a polymer B) composed of at least 20% by weight of vinylpyrrolidone and of less than 40% by weight of C1 to C18 alkyl (meth)acrylates, wherein the fraction of the polymer B) in the mixture is less than 15% by weight, based on the sum of A)+B).

Abstract: Solvent-containing pastes comprising a polyolefin wax component prepared from one or more olefins by catalysis using a single-site catalyst based on a complex of a transition metal from groups 5 to 8 of the Periodic System of the Elements, and use of these pastes.

Abstract: An amino acid complex of the formula I, where M is selected from among Fe, Co, Ni, Pd, Pt and Ir, preferably Ni, can be used for the polymerization of olefins.

Abstract: A spring element comprises an insert (1) of a compact material having a rigidity which is higher than that of the material of which the spring element consists, and comprises a part (2) which acts as an additional spring and a part (3) which acts as a spring pad.

Abstract: Ethylene and other 1-olefins and optionally other non-1-olefins are (co)polymerized in the presence of a catalyst which is a complex of formula I, where the variables are defined as follows: M is an element of Groups 6 to 10 of the Periodic Table of the Elements, Nu1 is O, S or Se; Nu2, Nu3 are each N or P, A1 is N or C—R7 or Si—R7, A2 is N or C—R8 or Si—R8, R1 to R5 are hydrogen, R6 to R9 are selected from the group consisting of (i) hydrogen, (ii) substituted or unsubstituted C1-C8-alkyl, (iii) substituted or unsubstituted C2-C8-alkenyl having from one to 4 isolated or conjugated double bonds, (iv) substituted or unsubstituted C3-C12-cycloalkyl, (v) C7-C13-aralkyl, (vi) C6-C14-aryl that is unsubstituted or monosubstituted or polysubstituted by identical or different substituents selected from the group consisting of substituted or unsubstituted C1-C8-alkyl, C3-C12-cycloalkyl, C7-C13-aralkyl, C6-C14-aryl, halogen, substituted or unsubstituted C1-C6-alkoxy, C6-C14-aryloxy, SiR10R11R12 and O—SiR10R

Abstract: An apparatus suitable for producing shaped bodies comprising thermoplastic polymers from monomers which form such polymers in a batch process comprises a) at least one reactor suitable for the batchwise preparation of a melt of a thermoplastic polymer from monomers which form such a polymer, b) a piping system suitable as circulation line for the melt of the thermoplastic polymer and c) at least one apparatus suitable for the production of shaped bodies from the melt of a thermoplastic polymer, wherein the reactor or reactors a) is/are connected to the piping system b) and the apparatus or apparatuses c) is/are connected to the piping system b), and an apparatus for producing shaped bodies comprising thermoplastic polymers in such an apparatus.

Abstract: A process for preparing (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of an organic precursor compound over a fresh fixed catalyst bed, in which the process is started up at a reduced hourly space velocity of charging gas mixture on the fixed catalyst bed.

Abstract: Herbicidally active compositions comprising: A) at least one 7-pyrazolylbenzoxazole compound of the formula (I) in which the variables R1-R5 are as defined in the patent claims and/or at least one of its agriculaturally acceptable salts; and at least one further active compound selected from herbicidally active compounds and safeners.

Abstract: The invention relates to polyurethane foams comprising (i) ethylenimine, polyethylenimine, polyvinylamine, polyvinylamine copolymers, carboxymethylated polyethylenimines, phosphonomethylated polyethylenimines, quarternized polyethylenimines and/or dithiocarbamatized polyethylenimines or (ii) alkali hydroxides and/or alkaline earth metal hydroxides or a mixture consisting of both (i) and (ii).

Abstract: The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.

Abstract: A process for the preparation of water-soluble polymers of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols by azeotropic esterification, in the presence of organic solvents which form an azeotrope with water, of ethylenically unsaturated carboxylic acids with polyalkylene oxides which are capped at one end by end groups, to a degree of at least 85 wt %, followed by free-radical polymerization of the resulting esters optionally together with other ethylenically unsaturated monomers, in aqueous medium, wherein the organic solvents are removed by azeotropic distillation from the reaction mixture during polymerization and the water that is removed by distillation is recycled or the quantity of water removed by distillation from the reaction mixture is replaced by a feed of fresh water.

Abstract: Disclosed herein are structure-based modelling methods for the preparation of acetohydroxy acid synthase (AHAS) variants, including those that exhibit selectively increased resistance to herbicides such as imidazoline herbicides and AHAS inhibiting herbicides. The invention encompasses isolated DNAs encoding such variants, vectors that include the DNAs, and methods for producing the variant polypeptides and herbicide resistant plants containing specific AHAS gene mutations. Methods for weed control in crops are also provided.

Abstract: An asphalt-based, cold paving/coating formulation that provides increased flexibility with respect to the choice of aggregate types, asphalt emulsion types, type and amount of the surfactants used to produce the asphalt emulsion, asphalt emulsion pH's and application temperature's than conventional cold paving/coating formulations while providing good mix times and curing behavior. The asphalt-based formulation can be formed by mixing water; an asphalt emulsion; at least one first compound in aqueous solution selected from the group consisting of alkali metal salts, alkali metal hydroxides, ammonium salts, and ammonium hydroxide; at least one second compound in aqueous solution selected from the group consisting of Group IIA salts, Group IIIA salts, Group IIIB salts, copper salts, zinc salts, cadmium salts, manganese salts, iron salts, cobalt salts, and nickel salts; and optionally aggregate. Also, a method of preparing an asphalt-based formulation using these components.