| Patent application number | Description | Published |
| 20080199401 | Method for Dissolution of Gases with Short-Lived Physical Properties in a Liquid - The invention relates to a process for dissolving a gas with short-lived physical properties in a liquid, comprising the steps of providing the gas with short-lived physical properties, providing the liquid and bringing the gas with short-lived with short-lived physical properties is fed into the liquid via a semi-permeable membrane that is permeable to gas. | 08-21-2008 |
| 20080203024 | Method for the Elimination of Leukocytes from Blood - The invention relates to a method for reducing the number of leukocytes in blood through treating the blood in an arrangement of a plurality of fibers based on organic polymers, whereby the blood is channeled along the fibers and whereby the reduction in leukocytes from the blood occurs essentially through adsorption on the fibers, characterized in that the plurality of fibers based on organic polymers is fixed in a housing with an inlet arrangement and an outlet arrangement, and that the blood is channeled via the inlet arrangement into the housing, flows through the housing with the plurality of fibers made from organic polymers, and exits the housing via the outlet arrangement, that the arrangement of the fibers shows a high degree of order, that the blood flows along the external surface of the fibers, and that the fibers cause a generation of the complement activation product C5 | 08-28-2008 |
| 20080203598 | METHOD FOR PRODUCING FOAMED POLYMER MOLDED BODIES AND SAID FOAMED POLYMER MOLDED BODIES - Method for producing foamed microporous polymer molded bodies by melting a thermoplastic polymer in a first zone of an extrusion device, mixing in a highly volatile blowing agent, conveying the polymer melt containing the blowing agent into a second zone in which dissolution of the blowing agent occurs to saturation of the polymer melt at the foaming temperature, and molding and foaming of the loaded polymer melt to a foamed structure, whereby, in the second zone, a pressure above 90 bar, a blowing agent concentration above the critical minimum concentration for complete foaming, and the foaming temperature, lying above the solidification temperature of the polymer melt saturated with blowing agent, are set such that the polymer molded body obtained has a porosity in the range between 40 and 90 vol. % and an open-cell pore structure with uniform cross-sectional distribution. Foamed microporous polymer molded bodies in the form of particles comprising a thermoplastic polymer with uniform open-cell pore structure, a porosity of 40 to 90 vol. %, an accessible proportion of pore volume of at least 0.75 and an average cell size between 1 and 100 μm. | 08-28-2008 |
| Patent application number | Description | Published |
| 20090317626 | USE OF AQUEOUS COMPOSITE PARTICLE DISPERSIONS AS BINDING AGENTS IN COATINGS FOR TIMBER - Use of aqueous composite particle dispersions as binders in wood coatings. | 12-24-2009 |
| 20100035065 | POLYMER DISPERSIONS CONTAINING HIGHLY BRANCHED POLYCARBONATES - The present invention relates to polymer dispersions which comprise highly branched polycarbonates, to a process for preparing them, and to their use. | 02-11-2010 |
| 20100124614 | STAIN BLOCKING COMPOSITIONS - An aqueous coating composition for blocking stains and a method of using the coating composition is described. The coating composition includes an aqueous dispersion of a copolymer that is derived from a single stage emulsion polymerization of an ethylenically unsaturated nonionic monomer, greater than 0 and less than 1.5% by weight of an ethylenically unsaturated strong acid monomer or salt thereof, and greater than 1.5% and less than 3% by weight of methacrylic acid. | 05-20-2010 |
| 20100144922 | PROCESS FOR PREPARING AN AQUEOUS COMPOSITE-PARTICLE DISPERSION - A process for preparing aqueous dispersions of composite particles using monomers containing silane groups. | 06-10-2010 |
| 20100216942 | PROCESS FOR PREPARING AN AQUEOUS COMPOSITE-PARTICLE DISPERSION - A process for preparing aqueous dispersions of composite particles using nonpolymerizable silane compounds. | 08-26-2010 |
| 20110143923 | TITANIUM DIOXIDE COMPOSITION COMPRISING TITANIUM DIOXIDE NANOPARTICLES, AND PREPARATION AND USE THEREOF - The present invention relates to a titanium dioxide composition which comprises titanium dioxide nanoparticles, its preparation and use. | 06-16-2011 |
| 20110207851 | USE OF AQUEOUS COMPOSITE-PARTICLE DISPERSIONS AS BINDERS IN ELASTIC COATINGS - The present invention provides for the use of an aqueous dispersion of particles composed of polymer and finely divided inorganic solid (aqueous composite-particle dispersion) as a binder in elastic coatings, such as paints, more particularly exterior architectural paints, comprising preparing the aqueous composite-particle dispersion by dispersely distributing ethylenically unsaturated monomers in an aqueous medium and carrying out polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid having an average particle diameter ≦100 nm and at least one dispersant by the method of free-radically aqueous emulsion polymerization, and using as ethylenically unsaturated monomers a monomer mixture which comprises ethylenically unsaturated monomers A and optionally 0% to ≦10% by weight of an ethylenically unsaturated monomer B containing an epoxide group (epoxide monomer). | 08-25-2011 |
| 20120010338 | BINDERS FOR COATINGS, HAVING HIGH WATER VAPOR PERMEABILITY - The present invention relates to binders based on polymer dispersions and terephthalic bisamides with high water vapor transmission, and also to their use in formulations, especially for wood coatings. | 01-12-2012 |
| 20120016060 | PROCESS FOR PREPARING AN AQUEOUS COMPOSITE-PARTICLE DISPERSION - A process for preparing stable aqueous dispersions of composite particles. | 01-19-2012 |
| 20120041112 | PROCESS FOR IMPROVING THE STORAGE STABILITY OF AQUEOUS COMPOSITE-PARTICLE DISPERSIONS - The invention provides a process for improving the storage stability of aqueous composite-particle dispersions and of aqueous formulations comprising them. | 02-16-2012 |
| Patent application number | Description | Published |
| 20080251456 | Method for Separating Organic Transition Metal Complex Catalysts - Process for separating a dissolved complex catalyst of a metal of group 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements and/or any free organophosphorus ligand present from a nonaqueous hydroformylation reaction mixture which contains an aldehyde product and an organic solvent at least one membrane which is more permeable to the hydroformylation product than to the organophosphorus ligand, the separation being carried out under a carbon monoxide partial vapor pressure of more than 200 kPa. | 10-16-2008 |
| 20090163687 | PROCESS FOR PREPARING 3-METHYLBUT-1-ENE - The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol. | 06-25-2009 |
| 20090203858 | PROCESS FOR PREPARING POLYMERS FROM 3-METHYLBUT-1-ENE - The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group. | 08-13-2009 |
| 20090292146 | CATALYST PRECURSOR FOR AN Rh COMPLEX CATALYST - The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts. | 11-26-2009 |
| 20100036143 | BISPHOSPHITE LIGANDS FOR HYDROFORMYLATION CATALYZED BY TRANSITION METALS - The invention relates to a bisphosphite of the formula I | 02-11-2010 |
| 20100137623 | STABLE CATALYST PRECURSOR OF RH COMPLEX CATALYSTS - The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts. | 06-03-2010 |
| 20110071321 | METHOD FOR SEPERATING 1-BUTENE FROM C4-CONTAINING HYDROCARBON STREAMS BY HYDROFORMYLATION - The invention relates to a method for separating 1-butene from C | 03-24-2011 |
| 20110130595 | PROCESS FOR PREPARING C5 ALDEHYDE MIXTURES WITH A HIGH N-PENTANAL CONTENT - A process for preparing a C | 06-02-2011 |
| 20110201767 | PROCESS FOR PREPARING POLYMERS FROM 3-METHYLBUT-1-ENE - The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group. | 08-18-2011 |
| 20120046503 | METHOD FOR ENRICHING A HOMOGENEOUS CATALYST FROM A PROCESS FLOW - The invention relates to a method for enriching a homogenous catalyst from a process flow comprising said homogenous catalyst as a component, wherein the process flow is conducted over at least one membrane and wherein the membrane wholly or partially comprises a polymer that has planar polymer units connected to one another via a rigid link and wherein the linker is contorted, such that at least one planar polymer unit is connected to at least one second planar polymer unit via the link, in a non-co-planar arrangement. The invention furthermore relates to a method for producing tridecanal. | 02-23-2012 |
| Patent application number | Description | Published |
| 20100000496 | Method for carrying out a high-pressure start of an internal combustion engine, control facility and internal combustion engine - In known methods for carrying out a high-pressure start of an internal combustion engine, inconvenient starting behaviour can sometimes occur. A method for carrying out a high-pressure start of an internal combustion engine ( | 01-07-2010 |
| 20100023244 | Regulating Method for a Volume Control - In a regulating method for controlling an electrical actuator, especially a valve for regulating a volume flow in an injection system for an internal combustion engine, a nominal value is set for an actuating variable of the actuator; the actuator is controlled by a pulse width-modulated electrical control signal with a pre-defined pulse duty factor and a pre-defined period for adjusting the desired nominal value of the actuating variable; a flow threshold value is determined according to the pre-defined nominal value for the actuating variable; the flow flowing through the actuator is continuously measured during the control by the control signal and before the end of the period; the measured flow is compared with the flow threshold value/and the flow flowing through the actuator is switched off before the end of the period of the control signal if the measured flow exceeds the current threshold value. | 01-28-2010 |
| 20100251809 | METHOD AND DEVICE FOR DIAGNOSING AN INJECTION VALVE, CONNECTED TO A FUEL RAIL, OF AN INTERNAL COMBUSTION ENGINE - In a method for diagnosing an injection valve ( | 10-07-2010 |
| 20100318231 | Method for adapting a drag coefficient of a flow control valve - A regulating method and a regulating device for actuating an actuator in an injection system for an internal combustion engine, may have the following steps: stipulation of a setpoint value for a controlled variable of the actuator; determination of an actual value of the controlled variable; determination of a setpoint/actual value deviation between the setpoint value and the actual value of the controlled variable; pilot control of a controlled variable in accordance with a predefined pilot control response as a function of the setpoint value; regulation of the controlled variable by a regulator output variable in accordance with a predefined regulating response as a function of the feedback setpoint/actual value deviation; actuation of the actuator with the pilot-controlled and regulated controlled variable; and determination of a characteristic variable of the injection system as a function of the regulator output variable. | 12-16-2010 |