Dornhaus
Anna Dornhaus, Tucson, AZ US
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20090208445 | Compositions Comprising Eucalyptol And/Or Ocimene And/Or Farnesol For Use As Bumblebee Pheromones - Compositions comprising eucalyptol and/or ocimene and/or farnesol are provided for use as bumblebee pheromones. The compositions are useful in agriculture to assist in the pollination of angiosperm plant species. Such compositions can attract insects of the genus | 08-20-2009 |
Franz Dornhaus, Frankfurt A.m. DE
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20110014099 | PARTICULATE FILTER WITH HYDROGEN SULPHIDE BLOCK FUNCTION - The invention relates to a catalytically active particulate filter which, in addition to the properties typical of particulate filters, has hydrogen sulphide block function, and to a process for removing nitrogen oxides and particulates from the exhaust gas of internal combustion engines operated predominantly under lean conditions (so-called “lean-burn engines”) using the inventive catalytically active particulate filter. This particulate filter comprises a filter body, a copper compound and an oxidation-catalytic active coating which comprises at least one catalytically active platinum group metal. The copper compound is in a second coating applied to the filter body. The two functional coatings may be applied to the filter body consecutive in the direction of flow, i.e. zoned, or layered one on top of the other. | 01-20-2011 |
20110094207 | METHOD FOR CLEANING INTERNAL COMBUSTION ENGINE EXHAUST GASES - Described is a method for cleaning the exhaust gases of internal combustion engines, which method is suitable for reducing harmful gases and particle emissions. Here, the exhaust gas to be cleaned is conducted, under operating conditions, with a discontinuous profile of the air ratio λ across a wall-flow filter substrate which comprises a catalytically active coating containing one storage material. The storage material is suitable for temporarily storing one or more exhaust-gas components under certain operating conditions and releasing said exhaust-gas components again in a targeted fashion in the event of a suitable change in the operating conditions. The coating is configured such that the component has a gradient of the storage material concentration and/or of the total coating amount, with the highest concentration of the storage material in the longitudinal direction of the component being present on the inflow side. At least 60% by weight of the storage material in relation to its total amount is present in the walls between inflow and outflow ducts, and at least 50% by weight of the storage material in relation to its total amount is present in a first, inflow-side zone in the wall-flow filter substrate. | 04-28-2011 |
Franz Dornhaus, Frankfurt Am Main DE
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20100319332 | METHOD FOR THE COATING OF A DIESEL PARTICLE FILTER AND DIESEL PARTICLE FILTER PRODUCED THEREBY - To equip a diesel particle filter with a zeolite-containing coating uniformly over the entire length of the particle filter and with a further zeolite-free coating which is applied, from the entry side of the filter, solely up to a specific length of the filter, it is proposed, first, to apply the zeolite-free coating from the entry side of the filter and only thereafter to apply the zeolite-containing coating over the entire length of the filter from the exit side of the filter. As a result of this sequence of coatings, a better adhesive strength of the coatings than when both coatings are applied from the entry side is ensured. | 12-23-2010 |
20120014842 | DIESEL PARTICLE FILTER WITH IMPROVED BACK PRESSURE CHARACTERISTICS - Proposed is a diesel particle filter which comprises a ceramic wall-flow filter substrate and a coating applied in the inflow ducts, which coating is composed of material with a high melting point. The coating ( | 01-19-2012 |
Franz Dornhaus, Rodgau DE
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20130280150 | CATALYTICALLY ACTIVE PARTICULATE FILTER AND USE THEREOF - A catalytically active particulate filter is proposed which is suitable for use in an exhaust gas cleaning system for diesel engines. The particulate filter removes diesel soot particles from the exhaust gas and is also effective to oxidise carbon monoxide and hydrocarbons and to convert nitrogen monoxide at least proportionally into nitrogen dioxide. The particulate filter comprises a filter body ( | 10-24-2013 |
20130302214 | COATED DIESEL PARTICLE FILTER - The present invention relates to a diesel particle filter which has a coating active in oxidation catalysis and which is characterized in that said diesel particle filter comprises a material zone which removes platinum traces contained in the exhaust-gas flow, and to the use of said diesel particle filter in the purification of exhaust gases of diesel engines. | 11-14-2013 |
Franz Dornhaus, Frankfurt A, M. DE
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20130004391 | REDUCTION-CATALYST-COATED DIESEL PARTICLE FILTER HAVING IMPROVED CHARACTERISTICS - A diesel particle filter which comprises a ceramic wall flow filter substrate and two coatings is described. The first coating which is applied in the inflow channels and is composed of high-melting materials has such a nature that it closes the inflow channels and pores in the wall connecting the inflow channels and outflow channels to soot particles on the inflow side without preventing passage of the gaseous exhaust gas constituents. The second coating is introduced into the wall between inflow channels and outflow channels and is of such a nature that it can effectively catalyze the selective reduction of nitrogen oxides by means of a reducing agent. The resulting component is an SCR-catalytically active particle filter and displays excellent banking-up pressure properties combined with high filtration efficiency and good regeneration properties. Furthermore, the component displays good aging stability of the NO | 01-03-2013 |
Melanie Dornhaus, Frankfurt DE
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20100182007 | ESTABLISHMENT OF PARAMETERS TO ADJUST A MAGNETIC FIELD SHIM FOR A MAGNETIC RESONANCE EXAMINATION OF A PATIENT - A fast, efficient, qualitatively high-grade shim is enabled in a magnetic resonance apparatus and a method to set shim parameters of a magnetic resonance apparatus, to prepare the implementation of a magnetic resonance examination of a patient with an imaging medical magnetic resonance apparatus having a displaceable patient bed, wherein an examination region of the patient that is to be examined is larger than an imaging region of the magnetic resonance apparatus. | 07-22-2010 |