Patents by Inventor Torsten Neubauer
Torsten Neubauer 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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Patent number: 12208361Abstract: The present invention relates a system for the treatment of an exhaust gas of a diesel combustion engine, said system comprising a specific NOx adsorber component, a diesel oxidation catalyst (DOC) component, a selective catalytic reduction (SCR) component, a gas heating component, and a reductant injector, wherein in said system, the specific NOx adsorber component is arranged upstream of the gas heating component, the reductant injector is arranged up-stream of the SCR component, the gas heating component is arranged upstream of the reductant injector, the DOC component is arranged upstream of the reductant injector, and the DOC component and the gas heating component are directly consecutive components. Further, the present invention relates a process for preparing such a system and use thereof.Type: GrantFiled: September 29, 2021Date of Patent: January 28, 2025Assignee: BASF Mobile Emissions Catalysts LLCInventors: Gerd Grubert, Alfred Punke, Arne Tobias Niggebaum, Sven Jare Lohmeier, Emre Emmez, Torsten Neubauer, Jeffrey B. Hoke, Shiang Sung
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Publication number: 20240375049Abstract: A NOx adsorber diesel oxidation catalyst for the treatment of an exhaust gas, the catalyst comprising: a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; a first NOx adsorber (NA) coating, said coating comprising palladium supported on a first non-zeolitic oxidic material comprising ceria; a second NOx adsorber (NA) coating, said coating comprising one or more of an alkaline earth metal supported on a support material and a platinum group metal component supported on a second non-zeolitic oxidic material; and a diesel oxidation catalyst (DOC) coating, said coating comprising a platinum group metal component supported on a third non-zeolitic oxidic material.Type: ApplicationFiled: September 13, 2022Publication date: November 14, 2024Inventors: Arne Tobias NIGGEBAUM, Gerd GRUBERT, Sven Jare LOHMEIER, Emre EMMEZ, Torsten NEUBAUER
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Publication number: 20240316496Abstract: The present invention relates to a NOx adsorber diesel oxidation catalyst (NA-DOC) for the treatment of an exhaust gas, the catalyst comprising: a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; a NOx adsorber (NA) coating disposed on the surface of the internal walls of the substrate, said coating comprising a platinum group metal, a zeolitic material and one or more of an alkaline earth metal and manganese; and a diesel oxidation catalyst (DOC) coating, said coating comprising a platinum group metal supported on a non-zeolitic oxidic material.Type: ApplicationFiled: June 29, 2022Publication date: September 26, 2024Inventors: Gerd GRUBERT, Arne Tobias NIGGEBAUM, Emre EMMEZ, Torsten NEUBAUER, Xinyi WEI, Jeffrey B HOKE
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Publication number: 20230398532Abstract: The present invention relates to a catalyst, in particular to a three-way diesel catalyst, for the treatment of a diesel exhaust gas, the catalyst comprising a substrate and two specific coatings disposed thereon, wherein the first coating particularly comprises a first platinum group metal component supported on a first oxidic support material, a second platinum group metal component supported on a second oxidic support material, and a first oxygen storage component, wherein at least 30 weight-% of the first oxygen storage component consist of cerium oxide, calculated as CeOa, and wherein the second coating particularly comprises a third platinum group metal component and a fourth platinum group metal component, wherein the third platinum group metal component and the fourth platinum group metal component are supported on a third oxidic support material. Further, a process for the preparation of such a catalyst is disclosed as well as a use thereof.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Inventors: Gerd Grubert, Arne Tobias Niggebaum, Sven Jare Lohmeier, Torsten Neubauer
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Publication number: 20230330598Abstract: The present invention relates a system for the treatment of an exhaust gas of a diesel combustion engine, said system comprising a specific NOx adsorber component, a diesel oxidation catalyst (DOC) component, a selective catalytic reduction (SCR) component, a gas heating component, and a reductant injector, wherein in said system, the specific NOx adsorber component is arranged upstream of the gas heating component, the reductant injector is arranged up-stream of the SCR component, the gas heating component is arranged upstream of the reductant injector, the DOC component is arranged upstream of the reductant injector, and the DOC component and the gas heating component are directly consecutive components. Further, the present invention relates a process for preparing such a system and use thereof.Type: ApplicationFiled: September 29, 2021Publication date: October 19, 2023Inventors: Gerd Grubert, Alfred Punke, Arne Tobias Niggebaum, Sven Jare Lohmeier, Emre Emmez, Torsten Neubauer, Jeffrey B. Hoke, Shiang Sung
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Publication number: 20220258141Abstract: The present disclosure provides catalyst compositions capable of reducing nitrogen oxide (NOx) emissions in engine exhaust, catalyst articles coated with such compositions, and processes for preparing such catalyst compositions and articles. The catalyst compositions include metal ion-exchanged zeolites useful for selective catalytic reduction (SCR) of NOx. Further provided is an exhaust gas treatment system including such catalytic articles, and methods for reducing NOx in an exhaust gas stream using such catalytic articles.Type: ApplicationFiled: May 6, 2020Publication date: August 18, 2022Applicant: BASF CORPORATIONInventors: Yi Liu, Brian T. Jones, Donald H. Reeder, Eric George Klauber, Oliver Seel, Torsten Neubauer, Saeed Alerasool, James Dale Hoggard, John Robert White, Claudia Zabel
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Patent number: 11199117Abstract: The disclosure provides a monolithic wall-flow filter catalytic article including a substrate having an aspect ratio of from about 1 to about 20, and having a functional coating composition disposed on the substrate, the functional coating composition including a first sorbent composition, an oxidation catalyst composition, and optionally, a second sorbent composition. The monolithic wall-flow filter catalytic article may be in a close-coupled position close to the engine. The disclosure further provides an integrated exhaust gas treatment system including the monolithic wall-flow filter catalytic article and may additionally include a flow-through monolith catalytic article. The flow-through monolith catalytic article includes a substrate having a selective catalytic reduction (SCR) coating composition disposed thereon.Type: GrantFiled: October 3, 2019Date of Patent: December 14, 2021Assignee: BASF CorporationInventors: Shiang Sung, Torsten Neubauer, Pushkaraj Patwardhan
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Patent number: 11125133Abstract: The invention provides an emission control system for treatment of an exhaust gas stream that includes an oxidation catalyst composition disposed on a substrate in fluid communication with the exhaust gas stream; at least one selective catalytic reduction (SCR) composition disposed on a substrate downstream from the oxidation catalyst composition, and a hydrogen injection article configured to introduce hydrogen into the exhaust gas stream upstream of the oxidation catalyst composition or downstream of the oxidation catalyst composition and upstream of the at least one SCR composition. The invention also provides a method of treating an exhaust gas stream, the method including receiving the exhaust gas stream into the emission control system of the invention and intermittently introducing hydrogen upstream of the oxidation catalyst article or downstream of the oxidation catalyst article and upstream stream of the SCR article.Type: GrantFiled: April 3, 2018Date of Patent: September 21, 2021Assignee: BASF CORPORATIONInventors: Shiang Sung, Torsten Neubauer, Pushkaraj R. Patwardhan, Susanne Stiebels, Claudia Zabel
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Publication number: 20210102486Abstract: The invention provides an emission control system for treatment of an exhaust gas stream that includes an oxidation catalyst composition disposed on a substrate in fluid communication with the exhaust gas stream; at least one selective catalytic reduction (SCR) composition disposed on a substrate downstream from the oxidation catalyst composition, and a hydrogen injection article configured to introduce hydrogen into the exhaust gas stream upstream of the oxidation catalyst composition or downstream of the oxidation catalyst composition and upstream of the at least one SCR composition. The invention also provides a method of treating an exhaust gas stream, the method including receiving the exhaust gas stream into the emission control system of the invention and intermittently introducing hydrogen upstream of the oxidation catalyst article or downstream of the oxidation catalyst article and upstream stream of the SCR article.Type: ApplicationFiled: April 3, 2018Publication date: April 8, 2021Inventors: Shiang Sung, Torsten Neubauer, Pushkaraj R. Patwardhan, Susanne Stiebels, Claudia Zabel
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Patent number: 10919025Abstract: A nitrous oxide (N2O) removal catalyst composition for treating an exhaust stream of an internal combustion engine is provided, containing a platinum group metal (PGM) component on a metal oxide-based support, wherein the N2O removal catalyst composition is in a substantially reduced form, such that it has an oxygen deficiency of about 0.05 mmol oxygen atoms/g or greater, and wherein the N2O removal catalyst composition provides effective removal of at least a portion of N2O from the exhaust stream under lean conditions at a temperature of about 350° C. or lower. N2O removal catalytic articles, systems, and methods are also provided for removing at least a portion of N2O from an exhaust stream under lean, low temperature conditions.Type: GrantFiled: January 24, 2020Date of Patent: February 16, 2021Assignee: BASF CorporationInventors: Yuejin Li, Shiang Sung, Stanley D. Roth, Torsten Neubauer, Susanne Stiebels
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Publication number: 20200156046Abstract: A nitrous oxide (N2O) removal catalyst composition for treating an exhaust stream of an internal combustion engine is provided, containing a platinum group metal (PGM) component on a metal oxide-based support, wherein the N2O removal catalyst composition is in a substantially reduced form, such that it has an oxygen deficiency of about 0.05 mmol oxygen atoms/g or greater, and wherein the N2O removal catalyst composition provides effective removal of at least a portion of N2O from the exhaust stream under lean conditions at a temperature of about 350° C. or lower. N2O removal catalytic articles, systems, and methods are also provided for removing at least a portion of N2O from an exhaust stream under lean, low temperature conditions.Type: ApplicationFiled: January 24, 2020Publication date: May 21, 2020Inventors: Li Yuejin, Shiang Sung, Roth Stanley, Torsten Neubauer, Susanne Stiebels
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Publication number: 20200032686Abstract: The disclosure provides a monolithic wall-flow filter catalytic article including a substrate having an aspect ratio of from about 1 to about 20, and having a functional coating composition disposed on the substrate, the functional coating composition including a first sorbent composition, an oxidation catalyst composition, and optionally, a second sorbent composition. The monolithic wall-flow filter catalytic article may be in a close-coupled position close to the engine. The disclosure further provides an integrated exhaust gas treatment system including the monolithic wall-flow filter catalytic article and may additionally include a flow-through monolith catalytic article. The flow-through monolith catalytic article includes a substrate having a selective catalytic reduction (SCR) coating composition disposed thereon.Type: ApplicationFiled: October 3, 2019Publication date: January 30, 2020Inventors: Shiang Sung, Torsten Neubauer, Pushkaraj Patwardhan
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Patent number: 10493434Abstract: A lean burn engine exhaust treatment articles comprising a low temperature lean NOx trap (LT-LNT) composition and methods for their use is disclosed. A lean burn engine exhaust gas treatment system including the lean burn engine exhaust treatment articles is also disclosed. The low temperature lean NOx trap (LT-LNT) compositions can comprise a washcoat layer on a carrier substrate, the washcoat layer including a platinum group metal component impregnated on a first support material comprising at least 50% alumina. The washcoat layer may further include a low temperature NOx storage material comprising a bulk particulate reducible metal oxide. Methods of monitoring the aging state of a lean burn oxidation catalyst in a lean burn engine catalyst system are also disclosed.Type: GrantFiled: March 3, 2016Date of Patent: December 3, 2019Assignee: BASF CorporationInventors: Gerd Grubert, Torsten Neubauer, Alfred Punke, Marcus Hilgendorff, Yuejin Li
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Patent number: 10464052Abstract: Described is a process for the preparation of a catalyst. The process comprises (i) providing a substrate which is optionally coated with one or more coating layers; (ii) impregnating one or more particulate support materials with one or more platinum group elements; (iii) adding one or more alkaline earth elements and one or more solvents to the product obtained in step (ii) to obtain a slurry; (iv) adjusting the pH of the slurry obtained in step (iii) to a value ranging from 7 to 10 (v) adjusting the pH of the slurry to a value ranging from 2 to 6; (vi) optionally milling the slurry obtained in step (v); (vii) providing the slurry obtained in step (vi) onto the optionally coated substrate in one or more coating steps. Describes is as a catalyst which is obtainable according to said process and its use in the treatment of exhaust gas.Type: GrantFiled: November 11, 2013Date of Patent: November 5, 2019Assignee: BASF SEInventors: Marcus Hilgendorff, Alfred H. Punke, Torsten Neubauer, Gerd Grubert
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Patent number: 10369548Abstract: A catalyzed soot filter, in particular for the treatment of Diesel engine exhaust, comprises a coating design which ensures soot particulates filtration, assists the oxidation of carbon monoxide (CO), and produces low H2S emissions during normal engine operations and regeneration events.Type: GrantFiled: March 11, 2015Date of Patent: August 6, 2019Assignees: BASF SE, BASF CorporationInventors: Gerd Grubert, Alfred H. Punke, Torsten Neubauer, Marcus Hilgendorff, Chung-Zong Wan, Yuejin Li, Matthew Caudle
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Patent number: 10226754Abstract: A lean NOx trap composition for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO), and the trapping and reduction of nitrogen oxides (NOx) is disclosed. The lean NOx trap composition can have a washcoat layer on a carrier substrate including a first support material comprising greater than 50% by weight of a reducible metal oxide; 10 to 30% by weight of alkaline earth metal supported on a second support material comprising a refractory metal oxide and 50% or less by weight of a reducible metal oxide and; and a platinum group metal component supported on at least one of the first support material and/or the second support material. A portion of the first support material may further include 0.5% to 10% by weight of an alkaline earth metal.Type: GrantFiled: March 3, 2016Date of Patent: March 12, 2019Assignee: BASF CorporationInventors: Gerd Grubert, Torsten Neubauer, Alfred Punke, Marcus Hilgendorff, Marko Buchholz, Matthew Caudle
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Patent number: 10215073Abstract: The present invention relates to catalyzed soot filter comprising a porous wall flow substrate, a catalyst for selective catalytic reduction (SCR), a palladium component, and a platinum component, the wall flow substrate comprising an inlet end, an outlet end, a substrate axial length extending between the inlet end and the outlet end, and a plurality of channels defined by internal walls of the wall flow substrate, wherein the plurality of channels comprise inlet channels having an open inlet end and a closed outlet end, and outlet channels having a closed inlet end and an open outlet end, and the SCR catalyst is provided on the entire surface of the inlet channel walls and on at least a portion of the surface of the pores within the channel walls underneath the surface of the channel walls coated with the SCR catalyst.Type: GrantFiled: May 18, 2016Date of Patent: February 26, 2019Assignee: BASF CorporationInventors: Alfred Punke, Gerd Grubert, Marcus Hilgendorff, Torsten Neubauer, Matthew Caudle, Yuejin Li
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Patent number: 10124292Abstract: Provided are emissions treatment systems for an exhaust stream having an ammonia-generating component, such as a NOx storage reduction (NSR) catalyst or a lean NOx trap (LNT) catalyst, and an SCR catalyst disposed downstream of the ammonia-generating catalyst. The SCR catalyst can be a molecular sieve having the CHA crystal structure, for example SSZ-13 or SAPO-34, which can be ion-exchanged with copper. The LNT can be layered, having an undercoat washcoat layer comprising a support material, at least one precious metal, and at least one NOx sorbent selected from the group consisting of alkaline earth elements, rare earth elements, and combinations thereof and a top washcoat layer comprising a support material, at least one precious metal, and ceria in particulate form, the top washcoat layer being substantially free of alkaline earth components. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.Type: GrantFiled: May 9, 2017Date of Patent: November 13, 2018Assignee: BASF CORPORATIONInventors: Chung-Zong Wan, Xiaolai Zheng, Susanne Stiebels, Claudia Zabel, Torsten Neubauer, R. Samuel Boorse
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Publication number: 20180185788Abstract: Disclosed herein is a catalyzed soot filter (CSF) containing a porous wall flow substrate, a lean NOx trap (LNT) catalyst, and a catalyst for selective catalytic reduction (SCR). Also disclosed is a method of preparing the catalyzed soot filter, an emissions treatment system containing the catalyzed soot filter, and processes for treating exhaust gas emissions employing the catalyzed soot filter.Type: ApplicationFiled: June 15, 2016Publication date: July 5, 2018Applicant: BASF SEInventors: Gerd GRUBERT, Torsten NEUBAUER, Alfred PUNKE
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Patent number: 9999877Abstract: The present invention relates to a catalyst, which may be used in selective catalytic reduction (SCR), said catalyst comprising one or more zeolites of the BEA structure type, one or more zeolites of the CHA structure type, and optionally one or more zeolites of the MFI structure type, wherein at least part of the one or more zeolites of the BEA structure type contain iron (Fe), wherein at least part of the one or more zeolites of the CHA structure type contain copper (Cu), and wherein at least part of the optional one or more zeolites of the MFI structure type contain iron (Fe). Furthermore, the present invention concerns an exhaust gas treatment system comprising said catalyst as well as a process for the treatment of a gas stream comprising NOx using said catalyst as well.Type: GrantFiled: October 4, 2012Date of Patent: June 19, 2018Assignee: BASF SEInventors: Susanne Stiebels, Claudia Wendt, Torsten Neubauer, Svetlana Zimmermann