Patents by Inventor Thomas UTSCHIG
Thomas UTSCHIG 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: 20200030745Abstract: The 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 comprises cerium oxide, an alkaline earth metal compound and/or an alkali compound, platinum and palladium, and an upper washcoat layer B located above washcoat layer A comprises cerium oxide, platinum and palladium, does not contain any alkali and alkaline-earth compounds, and has macropores. Also disclosed is a method for converting NOx in exhaust gases from motor vehicles operated with lean-burn engines.Type: ApplicationFiled: February 21, 2017Publication date: January 30, 2020Applicant: Umicore AG & Co. KGInventors: Thomas UTSCHIG, Ruediger HOYER, Naohiro KATO
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Publication number: 20200032687Abstract: The 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 comprises cerium oxide, an alkaline earth metal compound and/or an alkali compound, platinum and palladium, and manganese oxide, and an upper washcoat layer B disposed on the washcoat layer A comprises cerium oxide, platinum and palladium and does not contain any alkali and alkaline-earth compounds, and to a method for converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: February 1, 2017Publication date: January 30, 2020Applicant: UMICORE AG & CO. KGInventors: Thomas UTSCHIG, Elena MUELLER, Ruediger HOYER
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Patent number: 10443463Abstract: The invention relates to a catalyst system for reducing nitrogen oxides, which comprises a nitrogen oxide storage catalyst and an SCR catalyst, wherein the nitrogen oxide storage catalyst consists of at least two catalytically active washcoat layers on a supporting body, wherein a lower washcoat layer A contains cerium oxide, an alkaline earth compound and/or alkali compound, as well as platinum and palladium, and an upper washcoat layer B, which is arranged over the washcoat layer A, contains cerium oxide, platinum and palladium, and no alkali compound and no alkaline earth compound. The invention also relates to a method for converting NOx in exhaust gases of motor vehicles that are operated by means of engines that are operated in a lean manner.Type: GrantFiled: August 12, 2015Date of Patent: October 15, 2019Assignee: UMICORE AG & CO. KGInventors: Ruediger Hoyer, Thomas Utschig, Michael Schiffer, Michael Seyler, Frank-Walter Schuetze
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Patent number: 10428708Abstract: 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 comprises cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and platinum and palladium, and an upper washcoat layer B disposed atop the washcoat layer A comprises cerium oxide, platinum and palladium, and no alkali metal or alkaline earth metal compound, and to a method of converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: GrantFiled: August 4, 2015Date of Patent: October 1, 2019Assignee: UMICORE AG & CO. KGInventors: Thomas Utschig, Ruediger Hoyer, Elena Mueller
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Publication number: 20190224649Abstract: The present invention relates to a catalyst comprising a support body A having a length LA designed as a flow substrate, a support body B of length LB designed as a wall-flow filter, and material zones A1, A2, B1, and B2, wherein the support body A comprises material zones A1 and A2 and the support body B comprises material zones B1 and B2, wherein material zone A1 contains a cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and also platinum and/or palladium, and material zone A2 contains cerium oxide, and also platinum and/or palladium, and is free of alkali metal and alkaline earth metal compounds, material zone B1 contains palladium supported on cerium oxide, and material zone B2 contains platinum supported on a support material.Type: ApplicationFiled: July 31, 2017Publication date: July 25, 2019Applicant: UMICORE AG & CO. KGInventors: Michael SCHIFFER, Ruediger HOYER, Thomas UTSCHIG, Franz DORNHAUS, Anke WOERZ
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Publication number: 20170218809Abstract: The invention relates to a catalyst system for reducing nitrogen oxides, which comprises a nitrogen oxide storage catalyst and an SCR catalyst, wherein the nitrogen oxide storage catalyst consists of at least two catalytically active washcoat layers on a supporting body, wherein a lower washcoat layer A contains cerium oxide, an alkaline earth compound and/or alkali compound, as well as platinum and palladium, and an upper washcoat layer B, which is arranged over the washcoat layer A, contains cerium oxide, platinum and palladium, and no alkali compound and no alkaline earth compound. The invention also relates to a method for converting NOx in exhaust gases of motor vehicles that are operated by means of engines that are operated in a lean manner.Type: ApplicationFiled: August 12, 2015Publication date: August 3, 2017Applicant: UMICORE AG & CO. KGInventors: Ruediger HOYER, Thomas UTSCHIG, Michael SCHIFFER, Michael SEYLER, Frank-Walter SCHUETZE
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Publication number: 20170183995Abstract: 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 comprises cerium oxide, an alkaline earth metal compound and/or an alkali metal compound, and platinum and palladium, and an upper washcoat layer B disposed atop the washcoat layer A comprises cerium oxide, platinum and palladium, and no alkali metal or alkaline earth metal compound, and to a method of converting NOx in exhaust gases from motor vehicles which are operated with lean-burn engines.Type: ApplicationFiled: August 4, 2015Publication date: June 29, 2017Applicant: UMICORE AG & CO. KGInventors: Thomas UTSCHIG, Ruediger HOYER, Elena MUELLER
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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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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