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| Number | Title | Issue Date |
| 7745554 | Method for producing a polyisobutene The invention relates to a process for preparing polyisobutene having a mean molecular weight Mn of from 400 to 50 000, in particular from 500 to 10 000, by polymerizing isobutene in the presence of a BF3-containing complex catalyst, wherein th... | 06/29/2010 |
| 7741522 | Direct amination of hydrocarbons A process for aminating hydrocarbons with ammonia in the presence of catalyst (i) which catalyzes the amination, which comprises supplying oxidizing agent to the reaction mixture and reacting the oxidizing agent with hydrogen which is formed in the amination in the ... | 06/22/2010 |
| 7741487 | Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesis A process for preparing quaterrylene-3,4:13,14-tetracarboximides of the general formula I in which R, R′ are each independently hydrogen or optionally substituted C1-C30-alkyl, C5 | 06/22/2010 |
| 7741485 | Benzenesulphonamide derivatives as herbicides or desiccant/defoliant compounds The invention relates to benzenesulphonamide derivatives of formula (I), methods and intermediate products for production thereof and use of said compounds, or means comprising said compounds for the control of undesired plants and for the desiccation/defoliation of... | 06/22/2010 |
| 7741410 | Epoxidation of isobutene polymers A process is described for epoxidizing an ethylenically unsaturated isobutene polymer, in which an organic phase comprising the isobutene polymer is contacted with an aqueous phase which comprises formic acid and hydrogen peroxide. The process affords essentially qu... | 06/22/2010 |
| 7737236 | Polymers based on fluoranthene and their use Polymers comprising repeating units of the formula I where the variables are defined as follows: a is an integer from 0 to 3, R1, R2, R3 are identical or different ... | 06/15/2010 |
| 7736598 | Reactor and method for producing chlorine from HCl The invention relates to a reactor and a process for preparing chlorine from hydrogen chloride by gas-phase oxidation by means of oxygen in the presence of a heterogeneous catalyst in a fluidized bed, with gas-permeable plates being located in the fluidized bed. The... | 06/15/2010 |
| 7736553 | Method and device for producing nanoparticles The invention relates to processes for producing nanoparticles, especially pigment particles, comprising the following steps: i) bringing a base substance (1) into the gas phase, ii) generating particles by cooling or reacting the gaseous base substance (1... | 06/15/2010 |
| 7736514 | Method for extracting lactic acid from aqueous suspensions The invention relates to a method for the continuous extraction of lactic acid from an aqueous suspension containing solids. According to said method, the aqueous suspension containing solids is brought into contact, in a counter-current, with an organic solvent tha... | 06/15/2010 |
| 7732528 | Water-absorbent crosslinked polymers Water-absorbent crosslinked polymers bearing acid groups, some or all of the acid groups being present as carboxylate groups having at least two different types of cations as counterions, processes for their preparation and mixtures of water-absorbent crosslinked po... | 06/08/2010 |
| 7731916 | Method of charging catalyst tubes of a bundle of catalyst tubes in a structured fashion A method of charging catalyst tubes of a bundle of catalyst tubes in a structured fashion, in which uniformly predispensed portions of formulations of shaped catalyst bodies are used for producing a section of charge. ... | 06/08/2010 |
| 7728072 | Epichlorohydrin amine polymers used for treating the surface of leather An epichlorohydrinamine polymer has a ratio of amine units to epichlorohydrin units of from 0.8:1.2 to 1.0:1.0, dimethylaminopropylamine and benzylamine preferably being used as amine and/or ammonium units. The novel epichlorohydrinamine polymer is used, for example... | 06/01/2010 |
| 7728063 | Copolymers comprising N-heterocyclic groups, and use thereof as an additive in detergents The present invention relates to the use of a copolymer comprising, in polymerized form, (a) from 80 to 99.9 mol %, based on the total amount of the monomers polymerized to prepare the copolymer, of at least one monomer A which in each case comprises a ... | 06/01/2010 |
| 7728057 | Use of polymer powder containing UV absorber for the stabilisation of polymers against the effects of UV radiation The present invention relates to the use, for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, of fine-particle polymer powders comprising at least one UV absorber. The present invention further relates to stabilizer mixture... | 06/01/2010 |
| 7727753 | Plant dihydroorotase The present invention relates to a DNA encoding a polypeptide with dihydroorotase (EC 3.5.2.3) activity. Also, the invention relates to the use of this nucleic acid for the generation of an assay system. ... | 06/01/2010 |
| 7727586 | Production of water-absorbing polymeric particles by dropletization polymerization in the gas phase A process for producing water-absorbing polymeric particles by dropletization polymerization in the gas phase, which comprises drying the polymeric particles after the polymerization in a fluidized bed, the water-absorbing polymeric particles themselves, hygiene art... | 06/01/2010 |
| 7727583 | Method for the production of structured surfaces Provided is a process for producing a structured surface possessing a high level of hydrophilicity, wherein the process involves: coating a surface with a mixture to produce the structured surface, wherein the mixture includes: particles (a) having a number average ... | 06/01/2010 |
| 7723549 | Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene A process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene, in which the propylene source used is a propane dehydrogenation, the propane used therein being obtained by a rectificative prepurification of crude propane. | 05/25/2010 |
| 7723465 | Method for producing polyether alcohols The invention provides a process for continuously preparing polyether alcohols using DMC catalysts, which comprises, in a first step, in a continuous reactor, adding alkylene oxides onto H-functional starter substances and transferring the output of this reactor to ... | 05/25/2010 |
| 7714038 | Modified polyolefin waxes Polyolefin waxes bearing (meth)acrylate groups, process for preparing them and their use. ... | 05/11/2010 |
| 7714031 | Shaped articles of melamine/formaldehyde foams having low formaldehyde emission Shaped articles of melamine/formaldehyde foam have a formaldehyde emission of less than 0.1 ppm, determined according to DIN 55666, and are obtainable by the following process: a) a foam is prepared from a melamine/formaldehyde pre... | 05/11/2010 |
| 7713311 | Liquid direct dye formulations The present invention relates to aqueous liquid formulations comprising 5-30% by weight of a dye composition comprising 25-85% by weight of Direct Brown 44 15-75% by weight of Direct Yellow 11 and/or of a dye obtain... | 05/11/2010 |
| 7709679 | Process for simultaneously preparing 4,4′-diphenylmethanediamine and diphenylmethane diisocyanate and polyphenylenepolymethylene polyisocyanates The invention provides a process for the simultaneous preparation of 4,4′-diphenylmethanediamine and also diphenylmethane diisocyanate and polyphenylenepolymethylene polyisocyanates, which comprises the steps a) preparation of a mixture of diphenylmet... | 05/04/2010 |
| 7709052 | Aqueous polymer dispersions containing alkyldiketenes, methods for the production thereof, and their use Alkyldiketene-containing aqueous polymer dispersions which are obtainable by miniemulsion polymerization of hydrophobic monoethylenically unsaturated monomers in the presence of alkyldiketenes, processes for the preparation of such polymer dispersions and the use of... | 05/04/2010 |
| 7705171 | Process for producing nickel(0)-phosphorus ligand complexes A process for preparing nickel(0)-phosphorus ligand complexes comprising at least one nickel(0) central atom and at least one phosphorus ligand by reacting a nickel(II) compound with a reducing agent in the presence of the ligand to give a reaction mixture, wherein ... | 04/27/2010 |
| 7705106 | Initial compounds for producing polyurethanes The invention relates to starting compounds which can be used for the preparation of polyurethanes and can be prepared by reaction of hydroxyl-containing oligomers of formaldehyde. ... | 04/27/2010 |
| 7705063 | Polyurethane foam and a resin composition A polyurethane foam and a resin composition that may be used to form the polyurethane foam is provided. The resin composition comprises a first ethylene diamine-based polyol having about 100% ethylene oxide capping present in an amount of from 0.5 to 8 parts by weig... | 04/27/2010 |
| 7704469 | Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is sparingly soluble in mineral acid, which comprises the steps: a) the cataly... | 04/27/2010 |
| 7704406 | Glycol-free aqueous antifreeze compositions comprising dicarboxylic acid salts The present invention relates to an aqueous antifreeze composition comprising 10 to 50% by weight of one or more dicarboxylic acids, preferably aliphatic dicarboxylic acids having 4 to 12 carbon atoms in the form of the alkali metal, ammonium or alkaline earth metal... | 04/27/2010 |
| 7700809 | Process for preparing polyoxymethylene dimethyl ethers from methanol and formaldehyde A process for preparing tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4) by reacting formaldehyde with methanol and subsequently working up the reaction mixture by distillation, consisting of: a) feeding aqueous formaldehyde solution and met... | 04/20/2010 |
| 7700806 | Method for producing ethylene amines ethanol amines from monoethylene glycol (MEG) A process for preparing ethylene amines and ethanolamines by hydrogenative amination of monoethylene glycol and ammonia in the presence of a catalyst, wherein the process is carried out in two process stages in which in the first p... | 04/20/2010 |
| 7700804 | Process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer A process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer in an indirect heat exchanger, wherein a quaternary ammonium salt, a tertiary amine or a salt thereof with a Brønsted acid is added to the liquid mixture to reduce fou... | 04/20/2010 |
| 7700803 | Catalysts for producing carboxylic acid salts Catalysts for preparing carboxylic acid salts from alcohols which a) consist of copper or b) comprise from 99.9 to 10% by weight of copper and from 0.01 to 90% by weight of iron and from 0 to 50% by weight of one or more other metals, | 04/20/2010 |
| 7700795 | Use of azeotropically dried nickel(ii) halogenides A process is described for preparing a nickel(0)-phosphorus ligand complex containing at least one nickel(0)central atom and at least one phosphorus ligand, which comprises reducing a nickel(II) halide dried by azeotropic distillation in the presence of at least one... | 04/20/2010 |
| 7696360 | Method for the separation of ascorbic acid from a polar solvent containing ascorbic acid and 2-keto-L-gulonic acid The invention relates to a method for the separation of ascorbic acid from a mixture containing ascorbic acid and 2-keto-L-gulonic acid in a polar, preferably aqueous solvent, by means of liquid/liquid extraction using an amide. The method preferably also com... | 04/13/2010 |
| 7695728 | 2-substituted pyridines, processes for their preparation and their use for controlling harmful fungi The invention relates to 2-substituted pyridines of the formula I in which the index n and the substituents R1 to R4 and L are as defined in the description and in each case one of the two... | 04/13/2010 |
| 7692053 | Process for obtaining crude 1,3-butadiene from a Ccut 1,3-butadiene is obtained by extractive distillation with a selective solvent from a C4 cut comprising C4 acetylenes as secondary components in a dividing wall column having a bottom evaporator, in which a dividing wall is disposed in the longi... | 04/06/2010 |
| 7692045 | Method for purifying and concentrating dinitrogen monoxide The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for prepari... | 04/06/2010 |
| 7692031 | Separation of propylene oxide from a mixture comprising propylene oxide and methanol A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising: (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extracti... | 04/06/2010 |
| 7687435 | Benzoyl-substituted phenylalanineamides The present invention relates to benzoyl-substituted phenylalanineamides of the formula I in which the variables R1 to R15 are as defined in the description, and to t... | 03/30/2010 |
