Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins and other phenolic and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.

Abstract: In a method of stabilizing acrylic compounds, a liquid phase containing at least one acrylic compound is mixed with at least one metal and at least one ligand. The acrylic compound can be acrylic acid, methacrylic acid, and their respective esters. The metal can be copper, manganese, and cerium. The ligand can be a quinoline compound of formula (I), an N-oxide of a compound of formula (I), 2,2?-bis(2,3-dihydro-3-oxoindolylidene), or an aliphatic y-dentate ligand with y being 2-6 and comprising at least two nitrogen atoms joined by aliphatic or aromatic C1-C4 bridges comprising y-2 further coordinating nitrogen atoms or heteroatoms: where X is OH, NH2, O—(C1-C4)-alkyl, O—C(O)—(C1-C4)-alkyl, or O—C(O)-phenyl; R1 is H, or (C1-C4)-alkyl; R2 is H, (C1-C4)-alkyl, Cl, Br, or SO3H; and R3 is H, Cl or Br.

Abstract: Process for the preparation of modified ZnO particles in which a zinc salt and a base are mixed in a polar solvent and, if appropriate after the precipitation of a precipitation product, the polar solvent is removed and a residue is obtained, where the residue is taken up in a nonpolar solvent, surface-active substances are added, optionally further effect substances are added and then the modified ZnO particles are separated off from further by-products. Materials such as plastics, coatings or paints comprising modified ZnO particles. Methods for the incorporation of modified ZnO particles into materials, where the modified ZnO particles are incorporated into the materials in the form of dispersions or suspensions. Use of modified ZnO particles for protecting material against the effect of light, heat, oxygen or free radicals, as catalysts, for semiconductive films or cosmetic applications.

Abstract: The present invention relates to radiation-curable coating materials comprising new photoinitiators, and to the use thereof.

Abstract: Suitable stabilizers for organic material are a mixture comprising A. at least one oligomeric compound, comprising repeat units of the formula (I), in which the meanings of the symbols are as follows: R1 is hydrogen, C1-C6-alkyl, formyl, C2-C6-alkanoyl, C1-C12-alkoxy, C5-C6-cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula —CR??CH—CO—OR?, where R? is hydrogen, C1-C6-alkyl or a radical of the formula —CO—OR?, and R? is C1-C18-alkyl, C5-C8-cycloalkyl, C7-C18-aralkyl, phenyl, or tolyl; R2 is a mixture composed of C14-C25-alkyl groups, where two of these alkyl groups whose number of carbon atoms is not permitted to differ by more than two respectively make up at least 30% of this mixture; R3 and R4, independently of one another, are C1-C6-alkyl; and B.

Abstract: A process for inhibiting polymerization of (meth)acrylic acid and/or (meth)acrylic esters by introducing an oxygenous gas into the (meth)acrylic acid and/or the (meth)acrylic ester, in which the (meth)acrylic acid and/or the (meth)acrylic ester has a degree of purity of at least 95% and is in the liquid state.

Abstract: The present invention relates to a novel pulp composition for paper or solid board production comprising an oxidized recovered paper pulp and/or an oxidized mechanical pulp into which from 1 to 500 mmol of carboxyl groups per kg and from 1 to 200 mmol of aldehyde groups per kg have been introduced by oxidation. The invention also relates to paper and solid board based on such a pulp composition and also to a process for producing such paper or solid board. The invention also relates to the use of oxidized recovered paper pulp and/or oxidized mechanical pulp for improving the retention and drainage properties of a pulp suitable for producing paper or solid board. The invention further relates to the use of oxidized recovered paper pulp and/or oxidized mechanical pulp for improving, i.e., increasing, the dry strength of paper and solid board.

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.

Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins and other phenolic and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.

Abstract: The present invention relates to the use of sterically hindered amines comprising one or more groups of the general formula (I) to stabilize inanimate organic material, more particularly plastics or coating materials, where R1 and R2 each independently, alike or different, are H, C1-C20 alkyl, C3-C15 cycloalkyl, aryl, hetaryl or a heterocycle, R4, R5, R6, and R7 each independently, alike or different, are C1-C20 alkyl, or R4 and R6 or R5 and R7 together are a tetramethylene or pentamethylene group, and R3 is aryl or hetaryl. The invention further relates to methods of stabilizing inanimate organic material, especially plastics or coating materials. Additionally provided by the invention are selected sterically hindered amines comprising one or more groups of the general formula (I). Additionally provided by the invention are materials that comprise selected sterically hindered amines.

Abstract: Method for producing 4-formylaminopiperidine derivatives of the formula (I) and also the acid addition salts of these compounds, comprising the reaction of 4-aminopiperidine derivatives of the formula (II) or the acid addition salts of these compounds in the presence of compounds of the formula (III) and the use of 4-formylaminopiperidine derivatives of the formula (I) produced in such a way for protecting inanimate organic material against the effect of light.

Abstract: A process for separating acrylic acid present as a main product and glyoxal present as a by-product in a product gas mixture of a partial gas phase oxidation of a C3 precursor compound, in which a liquid phase P is obtained, which consists of acrylic acid to an extent of at least 70% of its weight and, based on the molar amount of acrylic acid present therein, comprises at least 200 molar ppm of glyoxal, in which the glyoxal is separated from the acrylic acid in the liquid phase P by crystallization.

Abstract: Printing inks for offset and/or letterpress printing which comprise NIR absorbers, and solubility of the NIR absorber in the printing ink is at least 0.1% by weight. NIR absorbers consisting of cyanine cation with an anion which has long-chain alkyl or aralkyl groups. Use of such printing inks for printing processes in which the curing of the printing ink is promoted by using IR lasers. NIR absorbers comprising a cyanine cation with an anion which has long-chain alkyl or aralkyl groups.

Abstract: A process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P whose acrylic acid content is at least 10% by weight and which, based on the weight of the acrylic acid present therein, additionally comprises at least 100 ppm by weight of propionic acid and at least 100 ppm by weight of glyoxal, in which at least one chemical compound of the element copper is added to the liquid phase P, and the resulting liquid phases P to which a chemical compound of the element copper has been added.

Abstract: The present invention relates to the use of certain benzotriazole derivatives of the general formula (I) where B is an optionally substituted 2-(2-hydroxyphenyl)-2H-benzotriazole group, n is an integer from the range from 3 to 20 and A is an n-valent organic radical, as UV absorber or stabilizer in inanimate organic materials. Furthermore, the invention relates to methods of stabilizing inanimate organic materials, in particular plastics, against the effect of light using specific benzotriazole derivatives. Further subject matters of the invention are certain benzotriazole derivatives and inanimate organic materials comprising certain benzotriazole derivatives.

Abstract: The present invention relates to an agrochemical composition comprising pesticide and UV absorber. The invention furthermore relates to UV-absorbers and to the use thereof in agrochemical compositions. It moreover relates to a method of controlling phytopathogenic fungi and/or undesirable plant growth and/or undesirable insect or mite infestation and/or of regulating plant growth.

Abstract: The present invention relates to a novel pulp composition for paper or solid board production comprising an oxidized recovered paper pulp and/or an oxidized mechanical pulp into which from 1 to 500 mmol of carboxyl groups per kg and from 1 to 200 mmol of aldehyde groups per kg have been introduced by oxidation. The invention also relates to paper and solid board based on such a pulp composition and also to a process for producing such paper or solid board. The invention also relates to the use of oxidized recovered paper pulp and/or oxidized mechanical pulp for improving the retention and drainage properties of a pulp suitable for producing paper or solid board. The invention further relates to the use of oxidized recovered paper pulp and/or oxidized mechanical pulp for improving, i.e., increasing, the dry strength of paper and solid board.

Abstract: The present invention provides the use of a UV absorber for reducing the E/Z isomerization of pesticides comprising a double bond. It furthermore relates to a composition comprising an E and/or a Z isomer of a pesticide comprising a double bond and a UV absorber.

Abstract: The present invention relates to an agrochemical composition comprising pesticide and UV absorber, and the abovementioned UV absorbers. The invention furthermore relates to the use of the UV absorbers in agrochemical compositions. It moreover relates to a method of controlling phytopathogenic fungi and/or undesirable plant growth and/or undesirable insect or mite infestation and/or of regulating plant growth.

Abstract: The present invention relates to radiation-curable coating materials comprising new photoinitiators, and to the use thereof.