Patents by Inventor Frank Walter Schuetze
Frank Walter Schuetze 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: 20240075466Abstract: The invention provides methods for a one-pot synthesis of molecular sieves of the CHA-type. The method uses molecular and non-molecular sieves as sources of silicon and aluminum. A first OSDA is selected from tetraethylenepentamine (TEPA) and triethy-lenepentamine (TETA). The synthesis mixture comprises a first metal selected from copper, iron and zinc. Optionally, the synthesis mixture may furthermore comprise a second OSDA and/or a second metal selected from manganese, cesium, magnesium, calcium, strontium, barium, yttrium, titanium, zirconium, niobium, iron, zinc, silver, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and mixtures thereof. The molecular sieves of the CHA-type obtainable by the method can be used as SCR-catalytically active substances for the removal of nitrogen oxides from exhaust gases of combustion engines.Type: ApplicationFiled: April 8, 2022Publication date: March 7, 2024Inventors: Leen Van Tendeloo, Frank-Walter Schuetze, Elke Jane June Verheyen
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Patent number: 11261097Abstract: The present invention provides crystalline aluminosilicate zeolites having a maximum pore size of eight tetrahedral atoms, wherein the zeolite has a total proton content of less than 2 mmol per gram. The zeolite may comprise 0.1 to 10 wt.-% of at least one transition metal, calculated as the respective oxide and based on the total weight of the zeolite. It may furthermore comprise at least one alkali or alkaline earth metal in a concentration of 0 to 2 wt.-%, calculated as the respective metal and based on the total weight of the zeolite. The zeolites may be used for the removal of NOx from automotive combustion exhaust gases.Type: GrantFiled: May 13, 2019Date of Patent: March 1, 2022Assignee: Umicore AG & Co. KGInventors: Andreas Jan Hoffmann, Michiel De Prins, Sam Smet, Sreeprasanth Pulinthanathu Sree, Elke Jane June Verheyen, Johan Adriaan Martens, Leen Van Tendeloo, Frank-Walter Schuetze
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Patent number: 11161100Abstract: The invention relates to the use of a catalyst as a passive nitrogen oxide adsorber, which has a carrier substrate, a zeolite, palladium, and platinum, wherein the palladium is provided in a quantity of 0.01 to 10 wt. %, based on the sum of the weights of zeolite, platinum, and palladium and calculated as a palladium metal, and platinum in a quantity of 0.1 to 10 wt. %, based on the weight of the palladium and calculated as a platinum metal. The invention also relates to the use of said catalyst in connection with a SCR catalyst in an exhaust gas system.Type: GrantFiled: August 24, 2018Date of Patent: November 2, 2021Assignee: UMICORE AG & CO. KGInventors: Christoph Hengst, Michael Lennartz, Frank-Walter Schuetze
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Patent number: 11154846Abstract: The present invention relates to crystalline aluminosilicate comprising a MOZ framework type material. The MOZ framework type material comprises between 0.1 and 12.5 wt-% of copper, calculated as CuO, and one or more alkali and alkaline earth metal cations in an amount of 0.3 to 9 wt.-%, calculated as pure metals. The process for making the copper containing MOZ type zeolites comprises a) preparing a first aqueous reaction mixture comprising a silica source and potassium hydroxide, b) preparing a second reaction mixture comprising an alumina source, potassium hydroxide and a structure-directing agent selected from N,N-1,4-dimethyl-1,4-diazabicyclo-[2.2.Type: GrantFiled: February 9, 2018Date of Patent: October 26, 2021Assignee: Umicore AG & Co. KGInventors: Michiel De Prins, Johan Adriaan Martens, Elke Jane June Verheyen, Stef Jules Peter Kerkhofs, Sreeprasanth Pulinthanathu Sree, Frank-Walter Schuetze
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Patent number: 11141717Abstract: The invention relates to a catalyst which comprises a carrier substrate, palladium, and a zeolite, the largest channels of which are formed by 10 tetradrically coordinated atoms; to the use of said catalyst as a passive nitrogen oxide adsorber, an exhaust gas system which contains said catalyst and an SCR catalyst, and to a method for purifying the exhaust gas of motor vehicles using said exhaust gas system.Type: GrantFiled: August 24, 2018Date of Patent: October 12, 2021Assignee: UMICORE AG & CO. KGInventors: Christoph Hengst, Frank-Walter Schuetze, Michael Lennartz
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Patent number: 11071970Abstract: The present invention relates to crystalline zeolites with an ERI/CHA intergrowth framework type and to a process for making said zeolites. The ERI content of the zeolites ranges from 10 to 85 wt.-%, based on the total weight of ERI and CHA. The zeolites may further comprise 0.1 to 10 wt.-% copper, calculated as CuO, and one or more alkali and alkaline earth metal cations in an amount of 0.1 to 5 wt.-%, calculated as pure metals.Type: GrantFiled: November 16, 2017Date of Patent: July 27, 2021Assignee: Umicore AG & Co. KGInventors: Sreeprasanth Pulinthanathu Sree, Stef Jules Peter Kerkhofs, Elke Jane June Verheyen, Johan Adriaan Martens, Frank-Walter Schuetze
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Publication number: 20210162382Abstract: The invention relates to a catalyst which comprises a carrier substrate, palladium, and a zeolite, the largest channels of which are formed by 10 tetradrically coordinated atoms; to the use of said catalyst as a passive nitrogen oxide adsorber, an exhaust gas system which contains said catalyst and an SCR catalyst, and to a method for purifying the exhaust gas of motor vehicles using said exhaust gas system.Type: ApplicationFiled: August 24, 2018Publication date: June 3, 2021Applicant: UMICORE AG & CO. KGInventors: Christoph HENGST, Frank-Walter SCHUETZE, Michael LENNARTZ
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Publication number: 20210138441Abstract: The present invention provides hydrothermally stable crystalline aluminosilicate zeolites with a CHA framework type, wherein the zeolite has a total proton content of less than 2 mmol per gram. The zeolite may comprise 0.1 to 10 wt.-% of at least one transition metal, calculated as the respective oxide and based on the total weight of the zeolite. It may furthermore comprise at least one alkali or alkaline earth metal in a concentration of 0 to 2 wt.-%, calculated as the respective metal and based on the total weight of the zeolite. The invention furthermore provides a one-pot synthesis method for making the alumino-silicate zeolites with a CHA framework type. An aqueous reaction mixture comprising a tetraethylammonium compound, a silica source, at least one alkali or alkaline earth metal hydroxide, a zeolite of the faujasite framework type and Cu-tetraethylenepentamine are mixed, homogenized and heated, and finally, the product is recovered.Type: ApplicationFiled: May 13, 2018Publication date: May 13, 2021Inventors: Elke Jane June Verheyen, Sreeprasanth Pulinthanathu Sree, Sam Smet, Andreas Jan Hoffmann, Michiel De Prins, Johan Adriaan Martens, Leen Van Tendeloo, Frank-Walter Schuetze
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Publication number: 20210070619Abstract: The present invention provides crystalline aluminosilicate zeolites having a maximum pore size of eight tetrahedral atoms, wherein the zeolite has a total proton content of less than 2 mmol per gram. The zeolite may comprise 0.1 to 10 wt.-% of at least one transition metal, calculated as the respective oxide and based on the total weight of the zeolite. It may furthermore comprise at least one alkali or alkaline earth metal in a concentration of 0 to 2 wt.-%, calculated as the respective metal and based on the total weight of the zeolite. The zeolites may be used for the removal of NOx from automotive combustion exhaust gases.Type: ApplicationFiled: May 13, 2019Publication date: March 11, 2021Inventors: Andreas Jan Hoffmann, Michiel De Prins, Sam Smet, Sreeprasanth Pulinthanathu Sree, Elke Jane June Verheyen, Johan Adriaan Martens, Leen Van Tendeloo, Frank-Walter Schuetze
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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: 20200246784Abstract: The invention relates to the use of a catalyst as a passive nitrogen oxide adsorber, which has a carrier substrate, a zeolite, palladium, and platinum, wherein the palladium is provided in a quantity of 0.01 to 10 wt. %, based on the sum of the weights of zeolite, platinum, and palladium and calculated as a palladium metal, and platinum in a quantity of 0.1 to 10 wt. %, based on the weight of the palladium and calculated as a platinum metal. The invention also relates to the use of said catalyst in connection with a SCR catalyst in an exhaust gas system.Type: ApplicationFiled: August 24, 2018Publication date: August 6, 2020Applicant: UMICORE AG & CO. KGInventors: Christoph HENGST, Michael LENNARTZ, Frank-Walter SCHUETZE
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Publication number: 20190358614Abstract: The present invention relates to crystalline aluminosilicate comprising a MOZ framework type material. The MOZ framework type material comprises between 0.1 and 12.5 wt-% of copper, calculated as CuO, and one or more alkali and alkaline earth metal cations in an amount of 0.3 to 9 wt.-%, calculated as pure metals. The process for making the copper containing MOZ type zeolites comprises a) preparing a first aqueous reaction mixture comprising a silica source and potassium hydroxide, b) preparing a second reaction mixture comprising an alumina source, potassium hydroxide and a structure-directing agent selected from N,N-1,4-dimethyl-1,4-diazabicyclo-[2.2.Type: ApplicationFiled: February 9, 2018Publication date: November 28, 2019Inventors: Michiel De Prins, Johan Adriaan Martens, Elke Jane June Verheyen, Stef Jules Peter Kerkhofs, Sreeprasanth Pulinthanathu Sree, Frank-Walter Schuetze
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Patent number: 10486145Abstract: The present invention relates to a process for the manufacture of a copper containing small-pore zeolite which comprises?preparing a reaction mixture comprising a zeolite of the faujasite framework type, Cu-tetraethylenepentamine (Cu-TEPA) and at least one compound M(OH)x, which does not comprise the tetraethylammonium cation and?heating the reaction mixture to form a copper containing small-pore zeolite.Type: GrantFiled: October 6, 2016Date of Patent: November 26, 2019Assignee: Umicore AG & Co. KGInventors: Johan Adriaan Martens, Sreeprasanth Pulinthanathu Sree, Stef Jules Peter Kerkhofs, Elke Jane June Verheyen, Frank-Walter Schuetze
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Publication number: 20190351399Abstract: The present invention relates to crystalline zeolites with an ERI/CHA intergrowth framework type and to a process for making said zeolites. The ERI content of the zeolites ranges from 10 to 85 wt.-%, based on the total weight of ERI and CHA. The zeolites may further comprise 0.1 to 10 wt.-% copper, calculated as CuO, and one or more alkali and alkaline earth metal cations in an amount of 0.1 to 5 wt.-%, calculated as pure metals.Type: ApplicationFiled: November 16, 2017Publication date: November 21, 2019Inventors: Sreeprasanth Pulinthanathu Sree, Stef Jules Peter Kerkhofs, Elke Jane June Verheyen, Johan Adriaan Martens, Frank-Walter Schuetze
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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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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: 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: 20190176087Abstract: The invention relates to an SCR-active material, comprising a small-pore zeolite of the structure type levyne (LEV), aluminum oxide, and copper, characterized in that, based on the total material, the material contains 4 to 25 wt % of aluminum oxide.Type: ApplicationFiled: August 11, 2017Publication date: June 13, 2019Inventors: Frank Welsch, Michael Seyler, Frank-Walter Schuetze, Stephan Eckhoff