Degussa AG Patent applications |
Patent application number | Title | Published |
20110244209 | TRANSPARENT MOLDING COMPOSITION - A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight. | 10-06-2011 |
20110206971 | CERAMIC, FLEXIBLE MEMBRANE PROVIDING IMPROVED ADHESION TO THE SUPPORT FLEECE - The present invention relates to flexible ceramic membranes which, depending on embodiment, are useful as separators for batteries, especially lithium batteries, and also a process for their production. | 08-25-2011 |
20110136400 | TEXTILE SUBSTRATES HAVING SELF-CLEANING PROPERTIES - The present invention relates to a vapor-pervious water-impervious substrate, preferably a fibrous nonwoven web, which can be used in particular as a textile continuous sheet material, for example as an awning or as an inlet in apparel. The substrate according to the present invention may have self-cleaning properties. The substrate according to the present invention is simple to produce in an at least two-step process wherein a coating on the fibers of the substrate is produced in the first step and then hydrophobic particles are applied to the coated fibers by means of an adhesion promoter. | 06-09-2011 |
20110130515 | POLYMER POWDER COMPRISING A COPOLYMER, USE IN A SHAPING METHOD WHICH USES A NON-FOCUSED APPLICATION OF ENERGY AND MOULDED BODY THAT IS PRODUCED FROM SAID POLYMER POWDER - A molding produced by a layer-by layer process of selectively melting regions of a respective pulverulent layer via unfocused introduction of electromagnetic energy, using a polymer powder, where the powder has at least one thermoplastic random copolymer with an ISO 1133 MFR value of from 12 to 1 g/10 min. | 06-02-2011 |
20100324190 | POWDERY COMPOSITION OF A POLYMER AND A FLAMEPROOFING AGENT CONTAINING AMMONIUM POLYPHOSPHATE, METHOD FOR THE PRODUCTION THEREOF, AND MOULDED BODY PRODUCED FROM SAID POWDER - A pulverulent composition that is a powder containing at least one polymer, and at least one flame retardant that contains ammonium polyphosphate, the powder having a maximum particle size of ≦150 μm and a median particle size of from 20 to 100 μm. | 12-23-2010 |
20100288164 | EFFICIENT MATTING AGENTS BASED ON PRECIPITATED SILICAS - Highly efficient matting agents based on precipitated silicas and wax-coated precipitated silicas, their preparation, and their use in inks and paints. | 11-18-2010 |
20100221544 | Nanoscale silicon particles - Nanoscale silicon particles, essentially hydrogen terminated nanoscale silicon particles, essentially alkyl terminated nanoscale silicon particles, partially alkyl terminated nanoscale silicon particles, methods for producing the particles, and methods for forming electrical components, electronic circuits, and electrochemically active fillers with the particles. | 09-02-2010 |
20100117021 | Use of a Cationic Silicon Dioxide Dispersion as a Textile Finishing Agent - An aqueous dispersion for use as a finishing agent for textiles, wherein the dispersion contains a pyrogenically produced, aggregated silicon dioxide powder and a cationic polymer which is soluble in the dispersion, wherein the cationic polymer is present in a quantity such that the particles of the silicon dioxide powder exhibit a positive zeta potential. | 05-13-2010 |
20100071594 | SILICON DIOXIDE DISPERSION - Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm | 03-25-2010 |
20100037800 | SILICON DIOXIDE DISPERSION - Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm | 02-18-2010 |
20100009035 | SULFUR-CONTAINING ANIMAL-FEED ADDITIVES - The invention relates to sulfur-containing animal-feed additives produced from fermentation liquors, and to processes for their production. | 01-14-2010 |
20090325242 | Alleles of the zwf gene from coryneform bacteria - The invention relates to mutants and alleles of the zwf gene of coryneform bacteria, which encode variants of the Zwf subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles. | 12-31-2009 |
20090269489 | SEPARATOR PROVIDED WITH ASYMMETRICAL PORE STRUCTURES FOR AN ELECTROCHEMICAL CELL - A separator for an electrochemical cell, comprising (A) a flexible perforate support, and (B) a porous ceramic material which fills the perforations in the support and is suitable for receiving an ion-conducting electrolyte, wherein the porous ceramic material comprises a first porous layer which is characterized by an average pore size and also at least one second porous layer for contacting with an electrode, the second porous layer having an average pore size which is smaller than the average pore size of the first porous layer. | 10-29-2009 |
20090261309 | SILICON DIOXIDE DISPERSION COMPRISING POLYOL - Stable, pourable silicon dioxide dispersion, in which the average, number-related aggregate diameter of the silicon dioxide particles in dispersion is less than 200 nm, and which comprises at least 35 wt. % of a silicon dioxide powder, 3 to 35 wt. % of at least one polyol, 20 to 60 wt. % of water, 0 to 10 wt. % of an additive and a substance having an alkaline action in an amount such that a pH of 1010-22-2009 | |
20090258405 | Preparation of optically active alcohols with whole-cell catalysts - The present invention relates to a process for the preparation of optically active alcohols from ketones with the aid of whole-cell catalysts comprising an alcohol dehydrogenase and also an enzyme capable of cofactor regeneration, a substrate concentration of at least 500 mM of ketone being provided for the conversion and the conversion being carried out without the addition of an “external” cofactor. | 10-15-2009 |
20090186053 | Surface-Modified Non-Metal/Metal Oxides Coated With Silicon Dioxide - Surface-modified metal oxide particles coated with silicon dioxide and having a low structure are produced by adding a base dissolved in water, with stirring, to a dispersion consisting of a metal oxide, at least one compound of the type X | 07-23-2009 |
20090176922 | SILICONE RUBBER - Silicone rubber containing a fumed silica doped with potassium by means of aerosol. | 07-09-2009 |
20090101866 | EFFICIENT MATTING AGENTS BASED ON PRECIPITATED SILICAS - Highly efficient matting agents based on precipitated silicas and wax-coated precipitated silicas, their preparation, and their use in inks and paints. | 04-23-2009 |
20090088508 | POWDERY COMPOSITION OF A POLYMER AND A FLAMEPROOFING AGENT CONTAINING AMMONIUM POLYPHOSPHATE, METHOD FOR THE PRODUCTION THEREOF, AND MOULDED BODY PRODUCED FROM SAID POWDER - The present invention relates to a powder which, in addition to a polymer, comprises a flame retardant based on ammonium polyphosphate, to the use of this powder for the layer-by-layer production of moldings, and also to moldings produced from this powder. The moldings constructed using the inventive powder have marked advantages with regard to their flammability, when comparison is made with conventional products, and this permits use in aircraft, for example. | 04-02-2009 |
20090087885 | Process For Preparing Optically Active Amino Acids Using a Whole-Cell Catalyst - The present invention relates to a process for preparing, in particular, enantiomerically enriched L-α-amino acids, in particular those of the general formula (I). In this connection, the process according to the invention uses 2-ketocarboxylic acids which are converted into the desired products using a whole-cell catalyst which comprises an amino acid dehydrogenase and a cofactor-regenerating enzyme. | 04-02-2009 |
20090035205 | PROCESS FOR PREPARING HSiCI3 BY CATALYTIC HYDRODEHALOGENATION OF SiCl4 - The invention relates to a process for the catalytic hydrodehalogenation of SiCl | 02-05-2009 |
20090028971 | Method for Obtaining Natural Oils From Plant Constituents - The invention relates to a method for obtaining natural oils from plant constituents, said method being essentially carried out using compressed C | 01-29-2009 |
20080306264 | Cycloolefin Phosphine Ligands and Their Use in Catalysis - The present invention concerns novel bidentante optionally N-containing P-ligands of general Formula (I) embracing a two-ring-system and processes for synthesizing them, transition metal complexes of these compounds and their use as catalysts. | 12-11-2008 |
20080300353 | LASER SINTER POWDER WITH METAL SOAPS, PROCESS FOR ITS PRODUCTION, AND MOLDINGS PRODUCED FROM THIS LASER SINTER POWDER - A sinter powder containing a polyamide and metal soaps, in particular particles of a salt of an alkanemonocarboxylic acid. A process for laser sintering, and to moldings produced from the sinter powder. The moldings formed using the powder have advantages in appearance and in surface finish when recyclability in the selective laser sintering (SLS) process is taken into account. Moldings produced from recycled sinter powder have improved mechanical properties, in particular in the modulus of elasticity and tensile strain at break. | 12-04-2008 |
20080293871 | HIGHLY DISPERSIBLE PRECIPITATED SILICA HAVING A HIGH SURFACE AREA - The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles. | 11-27-2008 |
20080283972 | Silicon Compounds for Producing Sio2-Containing Insulating Layers on Chips - The present invention relates to a process for producing an SiO | 11-20-2008 |
20080249300 | Coammoxidation of Ketones - The invention relates to a method for the coammoxidation, i.e. for the simultaneous ammoxidation of ketones, especially of cyclic ketones such as cyclododecanone and cyclohexanone. The ammoxidatian method of the invention relates to the production of oximes from ketones or aldehydes using hydrogen peroxide and amnmonia and further using a catalyst that substantially consists of silicon, titanium and oxygen, such as for example titanium silicalite. | 10-09-2008 |
20080248381 | Ceramic Separator for Electrochemcial Cells With Improved Conductivity - Separator for an electrochemical cell comprising a flexible perforate carrier having a ceramic coating on and in the carrier, the ceramic coating comprising from 75 to 99 parts by mass of oxidic particles selected from particles of ZrO | 10-09-2008 |
20080245735 | Ceramic Flexible Membrane Providing Improved Adhesion to the Support Fleece - The present invention relates to flexible ceramic membranes which, depending on embodiment, are useful as separators for batteries, especially lithium batteries, and also a process for their production. | 10-09-2008 |
20080234427 | Utilization of Radiohardenable Resins Based on Ketone and/or Urea Aldehyde Resins - The invention relates to the use of radiation-curable resins based on ketone-aldehyde and urea-aldehyde resins. | 09-25-2008 |
20080216181 | Novel Alcohol Dehydrogenases - The invention relates to novel polypeptides which have the biological activity of an NAD- or NADP-dependent alcohol dehydrogenase. The invention furthermore relates to nucleic acids encoding said polypeptides, to non-human hosts or host cells and to reaction systems which may be used for preparing desired products. The polypeptides of the invention are preferably used in the preparation, starting from aldehydes or ketones, of primary and enantiomerically pure secondary alcohol's which may serve as intermediates for medicaments. Alternatively, the polypeptides of the invention may also be employed in the reverse reaction, i.e. the oxidation of alcohol's with the formation of aldehydes or ketones. | 09-04-2008 |
20080213497 | 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. | 09-04-2008 |
20080213325 | POWDER MIXTURE CONSISTING OF TITANIUM DIOXIDE, ZINC OXIDE AND ZINC/TITANIUM MIXED OXIDE - A powder mixture consisting of zinc/titanium mixed oxide particles, titanium dioxide particles and zinc oxide particles, wherein the zinc/titanium mixed oxide particles have a composition according to the formula (ZnO) | 09-04-2008 |