Patents by Inventor Anke Schuler
Anke Schuler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240024819Abstract: Disclosed is a catalytic device for the removal of nitrogen oxides and ammonia from the exhaust gas of lean-burn combustion engines, comprising an upstream SCR catalyst comprising a carrier substrate, and a first washcoat comprising a first SCR catalytically active composition SCRfirst and optionally at least one first binder, wherein the first washcoat is applied to the carrier substrate; and a downstream ASC catalyst comprising a carrier substrate, and a bottom layer comprising a third washcoat comprising an oxidation catalyst and optionally at least one third binder, said bottom layer being applied directly onto the carrier substrate, and a top layer comprising a second washcoat comprising a second SCR catalytically active composition SCRsecond and optionally at least one second binder and, said top layer being applied onto the bottom layer; wherein the upstream SCR catalyst and the downstream ASC catalyst are present on a single carrier substrate or on two different carrier substrates, and the first and tType: ApplicationFiled: December 3, 2021Publication date: January 25, 2024Inventors: Massimo Colombo, Michael Seyler, Anke Schuler, Michelle Bendrich
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Patent number: 10989089Abstract: The invention relates to a particle filter, which comprises a wall flow filter and SCR-active material, wherein the wall flow filter comprises ducts which extend in parallel between the first and the second end of the wall flow filter and which are alternately closed in a gas-tight manner either at the first or the second end and which are separated by porous walls, the pores of which have inner surfaces, and the SCR-active material is located in the form of a coating on the inner surfaces of the pores of the porous walls, characterized in that the coating has a gradient, such that the side of the coating facing the exhaust gas has a higher selectivity in the SCR reaction than the side of the coating that faces the inner surfaces of the pores. The SCR-active material is preferably a small-pore zeolite, which has a maximum ring size of eight tetrahedral atoms and is exchanged with copper and/or iron.Type: GrantFiled: August 11, 2017Date of Patent: April 27, 2021Assignee: Umicore AG & Co. KGInventors: Anke Schuler, Katja Adelmann, Franz Dornhaus, Michael Schiffer, Stephan Eckhoff
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Patent number: 10961886Abstract: The present invention relates to a particle filter which comprises a wall-flow filter and SCR-catalytically active material, wherein the wall-flow filter comprises ducts which extend in parallel between a first and a second end of the wall-flow filter and which are alternately closed off in gas-type fashion either at the first or at the second end and which are separated by porous walls, and wherein the SCR-active material comprises a zeolite which is exchanged with copper and/or iron and which is situated in the form of a coating in the porous walls of the wall-flow filter, characterized in that the SCR-catalytically active coating comprises palladium.Type: GrantFiled: September 20, 2017Date of Patent: March 30, 2021Assignee: Umicore AG & Co. KGInventors: Anke Schuler, Franz Dornhaus
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Patent number: 10898889Abstract: The present invention relates to a SCR catalyst comprising a carrier substrate of the length L, which is a flow-through substrate, and a coating A which comprises a small pore zeolite, copper and palladium.Type: GrantFiled: January 23, 2018Date of Patent: January 26, 2021Assignee: UMICORE AG & CO. KGInventors: Kenneth Sherwood Price, Anke Schuler, Michael Seyler, Frank-Walter Schütze, Marcus Pfeifer
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Publication number: 20200406191Abstract: The present invention relates to an SCR-active material, comprising a small-pore zeolite, aluminum oxide and copper, characterized in that it contains 5 to 25 wt-% of aluminum oxide in relation to the entire material and that the copper is present on the aluminum oxide in a first concentration and on the small-pore zeolite in a second concentration.Type: ApplicationFiled: September 8, 2020Publication date: December 31, 2020Inventors: Michael Seyler, Michael Lennartz, Frank-Walter Schuetze, Benjamin Barth, Anke Schuler, Frank Welsch, Stephan Eckhoff
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Patent number: 10799831Abstract: The present invention relates to an SCR-active material, comprising a small-pore zeolite, aluminum oxide and copper, characterized in that it contains 5 to 25 wt-% of aluminum oxide in relation to the entire material and that the copper is present on the aluminum oxide in a first concentration and on the small-pore zeolite in a second concentration.Type: GrantFiled: August 11, 2017Date of Patent: October 13, 2020Assignee: Umicore AG & Co. KGInventors: Michael Seyler, Michael Lennartz, Frank-Walter Schuetze, Benjamin Barth, Anke Schuler, Frank Welsch, Stephan Eckhoff
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Publication number: 20190368399Abstract: The present invention relates to a particle filter which comprises a wall-flow filter and SCR-catalytically active material, wherein the wall-flow filter comprises ducts which extend in parallel between a first and a second end of the wall-flow filter and which are alternately closed off in gas-type fashion either at the first or at the second end and which are separated by porous walls, and wherein the SCR-active material comprises a zeolite which is exchanged with copper and/or iron and which is situated in the form of a coating in the porous walls of the wall-flow filter, characterized in that the SCR-catalytically active coating comprises palladium.Type: ApplicationFiled: September 20, 2017Publication date: December 5, 2019Inventors: Anke Schuler, Franz Dornhaus
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Publication number: 20190226372Abstract: The present invention relates to a SCR catalyst comprising a carrier substrate of the length L, which is a flow-through substrate, and a coating A which comprises a small pore zeolite, copper and palladium.Type: ApplicationFiled: January 23, 2018Publication date: July 25, 2019Applicant: UMICORE AG & CO. KGInventors: Kenneth Sherwood PRICE, Anke SCHULER, Michael SEYLER, Frank-Walter SCHÜTZE, Marcus PFEIFER
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Publication number: 20190203625Abstract: The invention relates to a particle filter, which comprises a wall flow filter and SCR-active material, wherein the wall flow filter comprises ducts which extend in parallel between the first and the second end of the wall flow filter and which are alternately closed in a gas-tight manner either at the first or the second end and which are separated by porous walls, the pores of which have inner surfaces, and the SCR-active material is located in the form of a coating on the inner surfaces of the pores of the porous walls, characterized in that the coating has a gradient, such that the side of the coating facing the exhaust gas has a higher selectivity in the SCR reaction than the side of the coating that faces the inner surfaces of the pores. The SCR-active material is preferably a small-pore zeolite, which has a maximum ring size of eight tetrahedral atoms and is exchanged with copper and/or iron.Type: ApplicationFiled: August 11, 2017Publication date: July 4, 2019Inventors: Anke Schuler, Katja Adelmann, Franz Dornhaus, Michael Schiffer, Stephan Eckhoff
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Publication number: 20190184338Abstract: The present invention relates to an SCR-active material, comprising a small-pore zeolite, aluminum oxide and copper, characterized in that it contains 5 to 25 wt-% of aluminum oxide in relation to the entire material and that the copper is present on the aluminum oxide in a first concentration and on the small-pore zeolite in a second concentration.Type: ApplicationFiled: August 11, 2017Publication date: June 20, 2019Inventors: Michael Seyler, Michael Lennartz, Frank-Walter Schuetze, Benjamin Barth, Anke Schuler, Frank Welsch, Stephan Eckhoff
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Publication number: 20190105650Abstract: The invention relates to a catalyst, which comprises a catalyst substrate of the length L and two SCR-catalytically active materials A and B, wherein the SCR-catalytically active material A contains a zeolite of the levyne structure type, which contains ion-exchanged iron and/or copper, and the SCR-catalytically active material B contains a zeolite of the chabazite structure type, which contains ion-exchanged iron and/or copper, wherein (i) the SCR-catalytically active materials A and B are in the form of two material zones A and B, wherein material zone A extends from the first end of the catalyst substrate at least over part of the length L and material zone B extends from the second end of the catalyst substrate at least over part of the length L, or wherein (ii) the catalyst substrate is formed by the SCR-catalytically active material A or B and a matrix component and the SCR-catalytically active material B or A extends at least over part of the length L of the catalyst substrate in the form of a materialType: ApplicationFiled: April 13, 2017Publication date: April 11, 2019Applicant: UMICORE AG & CO. KGInventors: Frank WELSCH, Stephan ECKHOFF, Michael SEYLER, Anke SCHULER
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Publication number: 20190060885Abstract: The invention relates to a particle filter, which comprises a wall flow filter and two SCR-catalytically active materials A and B which are different from each other, wherein the SCR-catalytically active material A contains a zeolite of the chabazite structure type, which contains ion-exchanged iron and/or copper, and the SCR-catalytically active material B contains a zeolite of the levyne structure type, which contains ion-exchanged iron and/or copper, wherein (i) the SCR-catalytically active materials A and B are in the form of two material zones A and B, wherein material zone A extends from the first end of the wall flow filter at least over part of the length L and material zone B extends from the second end of the wall flow filter at least over part of the length L, or wherein (ii) the wall flow filter is formed by the SCR-catalytically active material A or B and a matrix component and the SCR-catalytically active material B or A extends at least over part of the length L of the wall flow filter in the fType: ApplicationFiled: April 13, 2017Publication date: February 28, 2019Applicant: UMICORE AG & CO. KGInventors: Frank WELSCH, Stephan ECKHOFF, Michael SEYLER, Anke SCHULER
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Patent number: 9662638Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active coatings on a support body, wherein a lower coating A contains cerium oxide, and platinum and/or palladium, but no alkaline earth metal compound, and an upper coating B which is disposed above coating A contains an alkaline earth metal compound, a basic mixed magnesium-aluminum oxide, and platinum and palladium, and to a method for converting NOx in exhaust gases of motor vehicles which are operated with lean-burn engines.Type: GrantFiled: January 6, 2014Date of Patent: May 30, 2017Assignee: UMICORE AG & CO. KGInventors: Ruediger Hoyer, Anke Schuler, Elena Mueller, Thomas Utschig, Gerald Jeske
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Patent number: 9527036Abstract: The present invention relates to a catalyst system for treatment of diesel exhaust gas, comprising, in flow direction of the exhaust gas, a nitrogen oxide storage catalyst containing a nitrogen oxide storage component and noble metal and a diesel particulate filter containing noble metal selected from the group of platinum, palladium, and platinum and palladium, characterized in that the noble metal loading of the nitrogen oxide storage catalyst is 100 to 180 g/ft3 (3.53 to 6.36 g/L) and the noble metal loading of the diesel particulate filter is 5 to 35 g/ft3 (0.18 to 1.24 g/L).Type: GrantFiled: November 8, 2013Date of Patent: December 27, 2016Assignee: UMICORE AG & CO. KGInventors: Michael Schiffer, Ulrich Goebel, Franz Dornhaus, Anke Schuler, Ruediger Hoyer, Marcus Pfeifer, Gerald Jeske
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Patent number: 9433899Abstract: The invention relates to a method for removing carbon monoxide and hydrocarbons from the exhaust gas of lean-burn internal combustion engines, said exhaust gas being passed over a catalyst which contains platinum supported on one or more refractory supporting materials, pure cerium oxide, and optionally an additional noble metal selected from the group consisting of platinum, palladium and rhodium, wherein the pure cerium oxide is in close contact with the noble metal.Type: GrantFiled: March 26, 2013Date of Patent: September 6, 2016Assignee: UMICORE AG & CO. KGInventors: Ruediger Hoyer, Anke Schuler, Stefan Franoschek, Thomas R. Pauly, Gerald Jeske
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Patent number: 9346026Abstract: The present invention is directed to an apparatus for mixing gaseous mixture components. The present invention likewise relates to a correspondingly applied method and to the use of an apparatus according to the invention for mixing components of the exhaust gas of internal combustion engines with a reducing agent and to a correspondingly designed reactor.Type: GrantFiled: April 16, 2013Date of Patent: May 24, 2016Assignee: UMICORE AG & CO. KGInventors: Yvonne Demel, Roland Kramarek, Anke Schuler
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Publication number: 20160051930Abstract: The invention relates to a method for removing carbon monoxide and hydrocarbons from the exhaust gas of lean-burn internal combustion engines, said exhaust gas being passed over a catalyst which contains platinum supported on one or more refractory supporting materials, pure cerium oxide, and optionally an additional noble metal selected from the group consisting of platinum, palladium and rhodium, wherein the pure cerium oxide is in close contact with the noble metal.Type: ApplicationFiled: March 26, 2013Publication date: February 25, 2016Inventors: Ruediger HOYER, Anke SCHULER, Stefan FRANOSCHEK, Thomas R. PAULY, Gerald JESKE
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Publication number: 20150352495Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active washcoat layers on a support body, wherein a lower washcoat layer A contains cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and also platinum, and an upper washcoat layer B disposed atop the washcoat layer A, containing cerium oxide, and also platinum and palladium, and no alkaline earth metal compound, and a method for converting NOx in the exhaust gases of motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: February 21, 2014Publication date: December 10, 2015Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Anke SCHULER, Thomas UTSCHIG, Elena MUELLER
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Publication number: 20150336085Abstract: The present invention relates to a nitrogen oxide storage catalyst composed of at least two catalytically active coatings on a support body, wherein a lower coating A contains cerium oxide, and platinum and/or palladium, but no alkaline earth metal compound, and an upper coating B which is disposed above coating A contains an alkaline earth metal compound, a basic mixed magnesium-aluminum oxide, and platinum and palladium, and to a method for converting NOx in exhaust gases of motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: January 6, 2014Publication date: November 26, 2015Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Anke SCHULER, Elena MUELLER, Thomas UTSCHIG, Gerald JESKE
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Publication number: 20150273394Abstract: The present invention relates to a catalyst system for treatment of diesel exhaust gas, comprising, in flow direction of the exhaust gas, a nitrogen oxide storage catalyst containing a nitrogen oxide storage component and noble metal and a diesel particulate filter containing noble metal selected from the group of platinum, palladium, and platinum and palladium, characterized in that the noble metal loading of the nitrogen oxide storage catalyst is 100 to 180 g/ft3 (153 to 6.36 g/L) and the noble metal loading of the diesel particulate filter is 5 to 35 g/ft3 (0.18 to 1.24 g/L.).Type: ApplicationFiled: November 8, 2013Publication date: October 1, 2015Applicant: UMICORE AG & CO. KGInventors: Michael Schiffer, Ulrich Goebel, Franz Dornhaus, Anke Schuler, Ruediger Hoyer, Marcus Pfeifer, Gerald Jeske