DEGUSSA GmbH Patent applications |
Patent application number | Title | Published |
20110318791 | MUTANT OF THE PROB GENE FROM CORYNEFORM BACTERIA - The invention relates to processes for fermentative production of L-proline using bacteria which contain mutated variants of the proB gene. | 12-29-2011 |
20110218362 | Fixed Bed Hydrogenation Of Fatty Nitriles To Fatty Amines - A process for the fixed bed hydrogenation of unsaturated fatty nitriles to fatty amines with a fixed bed Raney-type Ni/Al, Co/Al or Ni/Co/Al catalyst in the liquid phase, the trickle phase or any type of fatty nitrile aerosol. | 09-08-2011 |
20110143147 | Agent for providing substrates based on cellulose and/or starch with water repellent and simultaneously antifungal, antibacterial insect-repellent and antialgal properties - The invention relates to an agent for providing substrates based on cellulose and/or starch with water-repellent and simultaneously antifungal, antibacterial, insect-repellent and antialgal properties, which contains water and, as active substance, at least one linear, cyclic, branched or crosslinked co-oligomer or mixtures of co-oligomers from the series consisting of the alkyl-/aminoalkyl-/alkoxy- or hydroxy-siloxanes, the use of such agents and a special treatment process using such agents. | 06-16-2011 |
20110014437 | TRANSPARENT ELECTRICALLY CONDUCTIVE LAYER, A PROCESS FOR PRODUCING THE LAYER AND ITS USE - Transparent, electrically conductive layer, a process for producing the layer and its use, wherein the layer is based on at least one compound of the formula 1 | 01-20-2011 |
20100168329 | ALIPHATIC, CYCLOALIPHATIC OR (CYCLO)ALIPHATIC DIISOCYANATES THAT ARE STABLE IN STORAGE - The invention relates to aliphatic, cycloaliphatic or (cyclo)aliphatic diisocyanates, in addition to a method for their production. | 07-01-2010 |
20100010242 | Process for Preparing beta-Amino-alpha-Hydroxycarboxamides - The present invention is directed to a process for preparing β-amino-α-hydroxycarboxamides. The process works with epoxycarboxamides of the formula 2 | 01-14-2010 |
20090306404 | Process for the Preparation of 2-azabicyclo[3.3.0]octane-3-carboxylic Acid Derivatives - The present invention is aimed at a process for the preparation of compounds of the general formula (I). | 12-10-2009 |
20090306224 | USE OF ROLL COMPACTED PYROGENICALLY PRODUCED SILICON DIOXIDE IN PHARMACEUTICAL COMPOSITIONS - The use of Schülpen based on pyrogenically produced silicon dioxide in pharmaceutical compositions is described. | 12-10-2009 |
20090280542 | METHOD OF PRODUCTION OF L-AMINO ACIDS - An isolated polynucleotide encodes a polypeptide comprising the amino acid sequence of SEQ ID NO: 2, with the L-aspartic acid at position 5 of the amino acid sequence replaced by another proteinogenic amino acid, and possesses citrate synthase activity. In addition, a vector comprises the polynucleotide and a bacterium comprises the vector. An isolated polynucleotide comprises a nucleotide sequence comprising, from position 1 to 39, the nucleotide sequence corresponding to position 1 to 39 of SEQ ID NO: 11, from position 40 to 105, a nucleotide sequence encoding the amino acid sequence of SEQ ID NO: 12, with each proteinogenic amino acid except L-aspartic acid being present at position 5. A method of producing an L-amino acids is also described. | 11-12-2009 |
20090280263 | FINE-GRAINED POLYARYLENE ETHER KETONE POWDER - A milling process for the preparation of fine-particled polyarylene ether ketone comprises milling a porous polyarylene ether ketone having a BET surface area of more than 1 m | 11-12-2009 |
20090272937 | ALUMINIUM OXIDE POWDER, DISPERSION AND COATING COMPOSITION - Aluminium oxide powder in the form of aggregates of primary- particles, which has a BET surface area of from 10 to 90 m2/g and comprises as crystalline phases, in addition to gamma- aluminium oxide and/or theta-aluminium oxide, at least 30% of delta-aluminium oxide. It is prepared by vaporizing aluminium chloride and burning the vapour together with hydrogen and air, the ratio of primary air/secondary air being 0.01 to 2, the exit speed v | 11-05-2009 |
20090230347 | FORMULATION COMPRISING A POLYMERIZABLE MONOMER AND/OR A POLYMER AND, DISPERSED THEREIN, A SUPERPARAMAGNETIC POWDER - Formulation comprising a polymerizable monomer and/or a polymer and, dispersed therein, a superparamagnetic powder, which comprises aggregated primary particles, the primary particles being built up from magnetic metal oxide domains having a diameter of from 2 to 100 nm in a nonmagnetic metal oxide or metalloid oxide matrix. Process for heating the formulation in a magnetic or electromagnetic alternating field. Use of the formulation as an adhesive composition. | 09-17-2009 |
20090221043 | MUTANT OF THE PROB GENE FROM CORYNEFORM BACTERIA - The invention relates to mutated variants of the proB gene from coryneform bacteria, which encode γ-glutamyl kinase, and to processes for fermentative production of L-proline using bacteria which contain this mutation. | 09-03-2009 |
20090105354 | DISPERSION OF ZIRCONIUM DIOXIDE AND ZIRCONIUM MIXED OXIDE - Dispersion of zirconium dioxide having a solids content of from 30 to 75 wt. %, based on the total amount of the dispersion, and a median value of the particle size distribution in the dispersion of less than 200 nm, obtainable by predispersing a zirconium dioxide powder and/or a zirconium mixed oxide powder having a ZrC>2 content of at least 70 wt. %, the powders being in the form of aggregated primary particles and having no internal surface and a BET surface area of the powder of 60±15 m2/g, in a dispersing agent in the presence of from 0.1 to 5 wt. %, based on the total amount of the dispersion, of a surface-modifying agent with an energy input of less than 200 KJ/m3, dividing the predispersion obtained into at least two part streams, placing these part streams under a pressure of at least 500 bar in a high-energy mill and decompress them via a nozzle, these part streams colliding with one another in a gas- or liquid-filled reaction chamber and thereby being ground, and optionally subsequently adjusting the dispersion to the desired content with further dispersing agent. It can be used for the production of ceramic layers, membranes and shaped articles. | 04-23-2009 |
20090099059 | METHOD FOR PRODUCING TRIMETHYLCYCLODODECATRIENE - The present invention relates to the preparation of trimethylcyclododecatriene in a continuous or batchwise process by trimerizing isoprene in the presence of a catalyst system and of a solvent. It is possible to isolate the resulting crude trimethylcyclododecatriene by means of distillation. The dimethylcyclooctadiene formed as a by-product may likewise be isolated from the crude product. | 04-16-2009 |
20090092531 | YTTRIUM-ZIRCONIUM MIXED OXIDE POWDER - Nano-scale yttrium-zirconium mixed oxide powder in the form of aggregated primary particles having the following physico-chemical parameters:—BET surface area: from 40 to 100 m | 04-09-2009 |
20090069464 | LIQUID VISCOUS PRODUCT BASED ON AN ORGANOFUNCTIONAL SILANE SYSTEM FOR PRODUCING WEATHERING-STABILE PROTECTIVE COATINGS FOR PREVENTING SURFACE SOILING - The present invention relates to a composition comprising an organofunctional silane system, in which fluorinated alkyl groups of the general formula F | 03-12-2009 |
20090068711 | Method For The Production Of L-Amino Acids Using Strains From The Enterobacteriacea Family - The invention relates to a method for the production of L-amino acids by fermentation of recombinant microorganisms of the Enterobacteriaceae family, characterized in that a) the microorganisms producing the desired L-amino acid and wherein the lamB-gene or nucleotide sequence coding for the gene product maltoporin is amplified, particularly overexpressed, are cultivated in a medium in conditions enabling the desired L-amino acid to be enriched in the medium or in cells, and b) the desired L-amino acid is isolated, wherein constituents of the fermentation broth and/or biomass remain in the entirety thereof or in parts thereof (=0 bis 100%) in the isolated product or are fully removed. | 03-12-2009 |
20090053427 | Method of Producing Glass of Optical Quality - Glass is produced by depositing presintering composition on a preform set into move in front of a plasma torch which moves back and forth substantially parallel to a longitudinal direction of the preform, a first feed duct feeds the plasma with grains of the presintering composition while optionally a second feed duct feeds the plasma with a fluorine or chlorine compound, preferably a fluorine compound, mixed with a carrier gas, whereby the presintering composition consists of granules of metal oxides or metalloid oxides of a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m | 02-26-2009 |
20090048363 | RADIOSENSITIVE SUBSTANCE - A description is given of radiation-sensitive compositions composed of a binder component and low-odor polymeric reaction products composed of the reaction product of aldehydes and ketones. | 02-19-2009 |
20090047225 | STORAGE OF PULVERULENT SUBSTANCES HAVING A HIGH WATER CONTENT - Process to delay the release of water from a pulverulent preparation comprising cosmetic products, cleaning agents and detergents, wherein the pulverulent preparation contains at least 50 wt. % of water and a hydrophobed silicon dioxide powder, wherein the pulverulent preparation is in contact with a hydrophobic material during storage. | 02-19-2009 |
20090035595 | RADIATION CURABLE MODIFIED, UNSATURATED, AMORPHOUS POLYESTERS - The invention relates to a radiation-curable adhesion-promoting composition comprising modified unsaturated amorphous polyesters and a process for preparing it and also provides for the use thereof in radiation-curable systems. | 02-05-2009 |
20090030162 | Polyether-Functional Siloxanes, Polyether Siloxane-Containing Compositions, Methods For The Production Thereof And Use Thereof - The present invention provides a linear, cyclic or branched polyether-functional siloxane or a mixture of polyether-functional siloxanes of the general formula (I) R[—O | 01-29-2009 |
20090020413 | Process and apparatus for purifying silicon tetrachloride or germanium tetrachloride containing hydrogen compounds - The invention relates to a process for the purification's of silicon tetrachloride or germanium tetrachloride contaminated with at least one hydrogen-containing compound, in which the silicon tetrachloride or germanium tetrachloride to be purified is treated in a targeted manner by means of a cold plasma and purified silicon tetrachloride or germanium tetrachloride is isolated from the phase which has been treated in this way. The present invention further relates to an apparatus for carrying out the process of the invention, which comprises a stock and vaporization unit for silicon or germanium tetrachloride ( | 01-22-2009 |
20090005518 | Block Condensates of Organofunctional Siloxanes, Their Preparation and Use, and Their Properties - The present invention relates to a composition which comprises (i) at least one block condensate of organofunctional siloxanes of the general formula (I) [F]e[QcPb]d (I) and/or (ii) at least one mixture composed of e[F] and d(c[Q]+b[P]) and, where appropriate d[QcPb]. These compositions or block condensates are obtainable via reaction of block units F with block units Q, P, and/or QP, by one of the following methods:—c1) diluting block unit F optionally with an alcohol, adding an organic or inorganic acid and from 0.5 to 150 mol of water per mole of Si of the siloxane used, whereupon at least partial hydrolysis of the block units used takes place, then adding block unit Q and block unit P, and allowing the mixture to react, or—c2) diluting block unit F optionally with an alcohol, mixing with Q, P, and/or block unit QP, then adding an organic or inorganic acid and, using from 0.5 to 150 mol of water per mole of Si of the siloxanes used, carrying out partial hydrolysis and block-condensation, or—c3) diluting block unit F optionally with an alcohol, adding an organic or inorganic acid and from 0.5 to 150 mol of water per mole of Si of the siloxane used, with at least partial hydrolysis, adding block unit QP, and allowing the mixture to react, or—c4) diluting block units Q, P, and/or QP, optionally with an alcohol, adding an organic or inorganic acid and from 0.5 to 1.5 mol of water per mole of Si of the siloxanes used, and at least partially hydrolyzing, then adding block unit F and also from 0 to 148.5 mol of water per mole of Si of the siloxanes used, and allowing the mixture to react, or—c5) diluting block unit F optionally with an alcohol, mixing with from 0.5 to 150 mol of water per mole of Si of the siloxanes used, and with an organic or inorganic acid, and then adding a tetraalkoxysiloxane, and allowing the mixture to react. The present invention further relates to a process for the preparation of these compositions or block condensates, and to their use and to items thus obtainable: abrasion-resistant easy-clean coatings and items equipped with this type of coating. | 01-01-2009 |
20080316858 | Oscillatory Flow Mixing Reactor - The present invention relates to an oscillatory flow mixing reactor (OPM) oscillatory flow which is designed so that a flow with angular momentum is superposed by means effecting circular acceleration on the mixture flowing in with oscillation, with the result that good mixing of the individual phases of the mixture is achieved with the use of low shear forces. A use of the reactor according to the invention is also disclosed. | 12-25-2008 |
20080302135 | Method for the Production of Shaped Silica Aquagels - It has been discovered that aquagels, formed from acid catalized composite sols, survive to conditions of high-tension when they are prepared by a process that hydrolyzes the silicon alkoxides in presence of fumed silica. | 12-11-2008 |
20080293100 | Method for the Fermentative Production of L-Amino Acids With the Aid of Coryneform Bacteria Capable of Using Glycerin as the Only Carbon Source - The invention relates to a method for producing L-amino acids in which the following steps are carried out: a) the recombinant coryneform bacteria which produce the desired L-amino acid and in which at least one or several of the heterologous polynucleotides of the glycerol metabolism, selected among the group comprising glpA, glpB, glpC, glpD, glpE, glpF, glpG, glpK, glpQ, glpT, glpX, gldA, dhaK, dhaL, dhaM, dhaR, fsa, and talC, is/are expressed are cultivated in a medium containing glycerol or one or several other optional C sources in conditions in which the desired L-amino acid is enriched in the medium or the cells; and, optionally, b) the desired L-amino acid is isolated, all or fractions (>0 to 100 percent) of the components of the fermentation broth and/or biomass optionally remaining in the final product. In said method, bacteria are used in which other genes of the biosynthesis pathway of the desired L-amino acid are additionally reinforced or in which the metabolism pathways reducing the formation of the desired L-amino acid are eliminated at least in part. | 11-27-2008 |
20080286567 | POLYAMIDE FLUIDIZED-BED-COATING POWDER FOR THIN-LAYER FLUIDIZED-BED COATING - One embodiment of the present invention provides a polyamide powder, which includes polyamide particles having
| 11-20-2008 |
20080275169 | Universal Pigment Preparations - The invention relates to new universal pigment preparations as virtually foam-free aqueous and also solventborne and solvent-free pigment preparations and to their use in aqueous, solventborne or solvent-free coating materials such as paints, varnishes, adhesives or inks, including printing inks, for example. | 11-06-2008 |
20080269415 | Polyurethane Compounds Containing Hydroxyl Terminated Uretdione Groups - The invention relates to specific, hydroxyl-terminated polyurethane compounds containing uretdione groups and intended for use in the plastics sector. | 10-30-2008 |
20080265201 | LOW-TEMPERATURE-CURABLE POLYURETHANE COMPOSITIONS WITH URETDIONE GROUPS, CONTAINING POLYMERS BASED ON POLYOLS THAT CARRY SECONDARY OH GROUPS - Low-temperature-curable polyurethane compositions with uretdione groups, containing polymers based on polyols that carry secondary OH groups. | 10-30-2008 |
20080262144 | Aqueous, Radiation-Hardenable Resins, Method for the Production Thereof, and Use of the Same - The invention relates to aqueous, radiation-curable resins, to a process for preparing them, and to their use. | 10-23-2008 |
20080261010 | Polyamide Blend Film - A film whose outer layer is composed of a molding composition which is in essence composed of the following components:
| 10-23-2008 |
20080255316 | Compositions For Producing Universal Pigment Preparations - The invention relates to new compositions having good binder, wetting, and dispersing properties for virtually foam-free aqueous and also solventborne and solvent-free pigment preparations. | 10-16-2008 |
20080242782 | Compositions comprising an organic polymer as the matrix and inorganic particles as the filler, process for the preparation thereof and applications of the same - Compositions comprising an organic polymer as the matrix and inorganic particles as the filler and exhibiting in mixture
| 10-02-2008 |
20080233378 | TRANSPARENT, ELECTRICALLY CONDUCTIVE LAYER, A PROCESS FOR PRODUCING THE LAYER AND ITS USE - Transparent, electrically conductive layer, a process for producing the layer and its use, wherein the layer is based on at least one compound of the formula 1 | 09-25-2008 |
20080221321 | Preparing Salts of Dihydroxychlorotriazine - The present invention is directed to a process for preparing salts of dihydroxychlorotriazine. The process comprises the hydrolysis of cyanuric chloride in alkaline aqueous solution and subsequent crystallization of monosalt of dihydroxychlorotriazine at neutral pH. The crystallization is improved with so-called dispersing assistants. | 09-11-2008 |
20080219915 | Carbon black, method of producing carbon black, and device for implementing the method - The invention relates to a carbon black having an aggregate size distribution which has a (d | 09-11-2008 |
20080214740 | Hydrolytically Stable Postcrosslinked Superabsorbents - The present invention relates to a process for producing postcrosslinked water-absorbing polymeric formations, comprising the steps of contacting water-absorbing polymeric formations P | 09-04-2008 |
20080213591 | Granules Based On Pyrogenically Prepared Silicon Dioxide, Method For Their Preparation And Use Thereof - Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof Granules based on silicon dioxide and having the properties: | 09-04-2008 |
20080213552 | Transparent Decoratable Multilayer Film - A multilayer film which comprises the following layers:
| 09-04-2008 |
20080203625 | Method For Producing Ultra-High Purity, Optical Quality, Glass Articles - A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves: 1. compacting metaloxide or metal loidoxide to granules having a mean particle size of less than about 1 millimeter; 2. optionally fully sintering the granules to produce high purity, artificial sand; 3. casting the granulesar artificial sand by conventional techniques, such as, slip casting, to form a high density, porous, green body; 4. optionally drying and partially sintering the green body; 5. optionally fully sintering the green body under vacuum, and 6. optionally hot isostatic pressing the fully sintered green body whereby the metal oxide or metalloid oxides is a pyrogenic silicon dioxide powder with a BET surface area of 30 to 90 m2/g, a DBP index of 80 or less, a mean aggregate area of less than 25000 nm2 and a mean aggregate circumference of less than 1000 nm, wherein at least 70% of the aggregates have a circumference of less than 1300 nm or a high-purity pyrogenically prepared silicon dioxide having metal contents of less than 0.2 μg/g. | 08-28-2008 |
20080200695 | Unsymmetrically Substituted Phospholane Catalysts - The present invention is based on new ligand systems of the general formula (I). These ligand systems can be used advantageously in transition metal-catalysed asymmetric syntheses. Likewise encompassed are the transition metal complexes thus prepared, a process for preparing the ligands and the use of the complexes in asymmetric synthesis. | 08-21-2008 |
20080200576 | Polymeric Nanocomposite Materials Obtained by Controlled Nucleation Of Dendritic Polymers - The invention provides a process for producing a polymer mixture, which process is characterized in that nanoscale agglomerates of dendritic polymers having a molar mass of between 400 and 100 000 g/mol are formed by lowering the temperature to below the upper critical solution temperature or raising the temperature to above the lower critical solution temperature of the system in a polymer matrix, and the system is converted into the solid aggregate state by polymerization, temperature change, UV curing, pressure lowering, heat treatment or evaporation of volatile components of the system. | 08-21-2008 |