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| Number | Title | Issue Date |
| 6992201 | Process for preparing phosphites and transition metal complexes The present invention relates to a process for preparing phosphites and their transition metal complexes and also to their use in catalytic processes. ... | 01/31/2006 |
| 6989106 | Process for the preparation of polymeric condensates and their use A process for the preparation of polymeric condensates, wherein the reaction mixture is fed at least once during the condensation reaction through a zone of high energy density which has an energy density of at least 105 J/m3. ... | 01/24/2006 |
| 6986852 | Process for conditioning standing and flowing water systems The invention relates to a novel conditioning agent based on polysuccinimide, its hydrolysates or its partial hydrolysates, for preventing deposits in standing or flowing water systems. ... | 01/17/2006 |
| 6984741 | 5-Nitrobenzofurans The present invention relates to 5-nitrobenzofurans, to a process for preparing 5-nitrobenzofurans, and to 5-nitro-2,3-dihydrobenzofuran-3-ols, to a process for the preparation thereof and to intermediates. ... | 01/10/2006 |
| 6964963 | Preparation of 4-amino-1-naphthol ethers The present invention describes a process for preparing 4-amino-1-naphthol ethers which is characterized in that naphthol ethers are first prepared from 1-naphthols, the former are then converted to the corresponding 4-acetamino-1-naphthol ethers and then the acyl g... | 11/15/2005 |
| 6946526 | Nitrile polymer vulcanizate and process for the production thereof The present invention is directed to a nitrile polymer vulcanizate having improved hot air aging characteristics. The nitrile polymer vulcanizate may be produced by admixing a composition containing: (i) a nitrile polymer; (ii) a filler; (iii) a metal salt of a seco... | 09/20/2005 |
| 6942805 | Sugar juice decolorization by means of mondisperse anion exchangers The present invention relates to a process for decolorizing sugar juices by means of monodisperse ion exchangers, preferably anion exchangers, and the use of the same for sugar juice decolorization. ... | 09/13/2005 |
| 6939443 | Anionic functional promoter and charge control agent The invention relates to a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000, and a cationic strength component. The invention ... | 09/06/2005 |
| 6933406 | Method for producing 2-halo-6-nitrobenzoic acids The present invention relates to a process for the preparation of 2-halo-6-nitrobenzoic acids by oxidation of 2-halo-6-nitro-benzyl alcohols, esters, ethers, or mixtures thereof with nitric acid and to the use of this process as a step in the preparation of 2-halo-6... | 08/23/2005 |
| 6927302 | Process for the arylation of olefins The present invention encompasses a process for preparing arylolefins by reacting one or more arylamines with one or more organic nitrites, in the presence of one or more olefins which bear at least one hydrogen atom on the double bond and in the presence of acid an... | 08/09/2005 |
| 6927967 | Capacitor substrates made of refractory metal nitrides Electrolytic capacitor powder substrates are provided of refractory metal nitrides to reduce instability at a substrate-oxide (as formed) interface whereby the resultant capacitor sensitivity to hear, bias and frequency is reduced. ... | 08/09/2005 |
| 6912113 | Thin film capacitor using conductive polymers The invention relates to a thin film capacitor containing (a) a substrate, (b) a first polymeric film comprising an electrically conductive polymer located on the substrate, (c) a pentoxide layer selected from the group consisting of tantalum pentoxide, or niobium p... | 06/28/2005 |
| 6903239 | Fluorinated benzaldehydes The present invention relates to fluorinated benzaldehydes, to a process for preparing them and also to the use of the fluorinated benzaldehydes for preparing active ingredients, especially in medicaments and agrochemicals. ... | 06/07/2005 |
| 6896705 | Mixtures of sulfuric esters The invention relates to novel mixtures of sulfuric esters and specific sulfuric esters that are useful as leveling agents for the dyeing of nitrogenous fiber materials and to a process for their preparation by reacting sulfuryl chloride with specific alcohols. ... | 05/24/2005 |
| 6891060 | Preparation of 3-acyloxy-2-methylbenzoic acids The invention relates to an improved process for preparing 3-acyloxy-2-methylbenzoic acids by heating substituted naphthalenes in the presence of alkali metal hydroxides and subsequently acylating. ... | 05/10/2005 |
| 6884897 | Preparation of 3,6-dihydro-2H-pyran-2-carboxylic esters A process is provided for preparing 3,6-dihydro-2H-pyran-2-carboxylic esters via a thermal hetero Diels-Alder reaction of 1,3-dienes with glyoxylic esters without the use of catalysts and stabilizers using a special metering technique. ... | 04/26/2005 |
| 6884899 | Preparation of 1-amino-4-hydroxyanthraquinones The present invention relates to a process for preparing 1-amino-4-hydroxyanthraquinones of the formula (I) wherein R is an aliphatic or aromatic radical, by reacting 1,4-dihydroxyant... | 04/26/2005 |
| 6881830 | Metal complexes Metal complexes of metals of the scandium group with an azo compound which conforms to the formula (I) or to one of its tautomeric structures where R is OH, NH2, NH—CN, a... | 04/19/2005 |
| 6875416 | Method for producing lithium-transition metal mixtures The invention relates to a method for producing lithium-transition metal mixtures of general formula Lix(M1yM21-y)nOnz, wherein M1 represents nickel, cobalt or manganese, M2... | 04/05/2005 |
| 6872861 | Process for preparing polyfluoroalkylithium compounds The invention relates to a process for preparing polyfluoroalkyl-lithium compounds by deprotonation of polyfluoroalkyl compounds by means of lithium bases. ... | 03/29/2005 |
| 6861398 | Thixotropic dispersions of polysuccinimide and their use The present invention relates to stable thixotropic polysuccinimide (PSI) dispersions, known as slurries, and to their use as additives for improving the flow properties of concrete, in oil wells, in acidic gel cleaners, and in drainage systems of tunnel constructio... | 03/01/2005 |
| 6858060 | Process for the production of composite components by powder injection molding, and composite powders suitable for this purpose The invention relates to a process for the production of metallic and metal-ceramic composite components by powder injection molding of a system comprising a metal composite powder, a binder and optionally a ceramic component, where the metal composite powder used i... | 02/22/2005 |
| 6852873 | Preparation of styryl dyes Process for preparing compounds of the formula (I) where R1, R2 and R3 are independently hydrogen, alkyl or cycloalkyl, characterized in that an aldehyde of the formula (II... | 02/08/2005 |
| 6849208 | Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteries The invention relates to a nickel mixed hydroxide with Ni as the main element and with a layer structure, comprising at least one element Ma from the group comprising Fe, Cr, Co, Ti, Zr and Cu which is present in two different oxidation states which diffe... | 02/01/2005 |
| 6849196 | Process for the preparation of magnetite particles and their use The invention relates to a process for the preparation of magnetite particles and to their use. ... | 02/01/2005 |
| 6849104 | Metalothermic reduction of refractory metal oxides High purity refractory metals, valve metals, refractory metal oxides, valve metal oxides, or alloys thereof suitable for a variety of electrical, optical and mill product/fabricated parts usages are produced from their respective oxides by metalothermic reduction of... | 02/01/2005 |
| 6849205 | Use of additive combinations for preventing skin formation on air-drying lacquers The present invention relates to a coating composition containing an oxidatively drying binder and, as anti-skinning agents, a mixture of A) an aliphatic amine corresponding to formula (Ia) and/or its salts corresponding to formula... | 02/01/2005 |
| 6846854 | Microencapsulated red phosphorus A method for preparing encapsulated red phosphorus is disclosed. The method entails obtaining a material system that contains dispersed particulate red phosphorus having a mean particle size of 0.1 to 100 μm in an aqueous phase that comprise urea, formaldehyde and ... | 01/25/2005 |
| 6846336 | Acid-resistant solutions containing aromatic formaldehyde condensation products The present invention relates to acid-resistant solutions containing aromatic formaldehyde condensation products having sulfonate and/or carboxylate groups, aliphatic carboxylic acids, aromatic sulfonic acids, and glycol ether solvents, to the preparation thereof, a... | 01/25/2005 |
| 6846335 | Crystal form of a perinone dye A novel crystal form of C.I. Solvent Orange 60 gives a higher space-time yield in dye synthesis and is more easily finished. ... | 01/25/2005 |
| 6844462 | Biphenydiols The invention relates to the biphenyldiols of the formula (V) The corresponding racemic and enantiomerically pure triflate compounds thereof, where R1 and R2 are H, R3 is chlorine, and R | 01/18/2005 |
| 6841696 | N-unsubstituted amidinium salts The invention relates to N-unsubstituted imidic ester alkyl sulphates, N-unsubstituted amidinium alkyl sulphates and a process for their preparation, which is characterized in that carboxamides are converted with sulphuric diesters into the corresponding imidic este... | 01/11/2005 |
| 6833455 | Bridged perinones/quinophthalones Disclosed herein are bridged perinones/quinophthalones of the general formula (I) or tautomeric forms thereof where X1, X2, Ar1 Ar2 and B are as described herein and are particularly characterized... | 12/21/2004 |
| 6833182 | Size compositions, sized glass fibers and their use A composition suitable for sizing of glass fibers is disclosed. The composition contains water dispersible, water-soluble or water emulsifiable resin selected from the group consisting of polyepoxide, polyester, polyvinyl acetate, polyacrylate and polyurethane, wate... | 12/21/2004 |
| 6828455 | Preparation of styryl compounds Process for preparing compounds of the formula (I) characterized in that an acrylic compound of the formula is reacted with an amine of the formula | 12/07/2004 |
| 6825377 | Method for the dihydroxylation of olefins using transition metal catalysts This invention relates to process for dihydroxylation of olefins using transition metal catalysts to obtain monofunctional, bifunctional, and/or polyfunctional 1,2-diols of the formula (I) R1R2C(OH)—C(OH)R3R4â€... | 11/30/2004 |
| 6821314 | Capacitor powder An electrolyte capacitor containing a niobium anode, a niobium oxide barrier layer, a semiconducting cathode and an electrolyte is described, where the niobium oxide barrier comprises a least one metal from the group consisting of Al, Si, Ti, Zr, Mo, W, Y and Ta. | 11/23/2004 |
| 6822053 | Polyamino acid-catalyzed process for the enantioselective epoxidation of α, β-unsaturated enones and α, β-unsaturated sulfones The invention relates to a novel process that makes it possible to epoxidize α,β-unsaturated enones or α,β-unsaturated sulfones with high conversions and enantiomeric excesses in a two-phase system without addition of water in the presence of an organic solvent,... | 11/23/2004 |
| 6818794 | Extraction of ketazine solutions Process for extracting aqueous ketazine solutions which is carried out using an aqueous ketazine solution having a salt content of 5 to 27% by weight and an ammonia content of 0 to 28% by weight to extract at temperatures of 50 to 120° C., which is characterized in... | 11/16/2004 |
| 6811195 | Composite structural article for frame structures A composite structural article, of preferably metal and thermoplastic material is described. The composite structural article comprises: (a) at least one reinforcing element (2) having sized openings (20); and (b) at least three profiled sections (1... | 11/02/2004 |
