Patents by Inventor Susanne Stiebels
Susanne Stiebels 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: 11896962Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.Type: GrantFiled: November 20, 2020Date of Patent: February 13, 2024Assignee: BASF CorporationInventors: Shiang Sung, Stanley A. Roth, Karifala Dumbuya, Susanne Stiebels, Claudia Zabel, Olga Gerlach, Andreas Sundermann
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Patent number: 11691106Abstract: A selective catalytic reduction catalyst for the treatment of an exhaust gas stream of a passive ignition engine, the catalyst comprising a porous wall-flow filter substrate comprising an inlet end, an outlet end, a substrate axial length (w) extending between the inlet end and the outlet end, and a plurality of passages defined by porous internal walls of the porous wall flow filter substrate; wherein the catalyst further comprises a first coating, said first coating extending over x % of the substrate axial length from the inlet end toward the outlet end of the substrate, x being in the range of from 10 to 100, wherein the first coating comprises copper and an 8-membered ring pore zeolitic material; wherein the catalyst further comprises a second coating, the second coating extending over y % of the substrate axial length from the outlet end toward the inlet end of the substrate, y being in the range of from 20 to 90, wherein the second coating comprises copper, and optionally an 8-membered ring pore zeolitType: GrantFiled: October 30, 2019Date of Patent: July 4, 2023Assignee: BASF CorporationInventors: Matthias Peter, Susanne Stiebels, Karifala Dumbuya, Claudia Zabel
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Publication number: 20220250044Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.Type: ApplicationFiled: March 21, 2022Publication date: August 11, 2022Inventors: Shiang Sung, Stanley A. Roth, Claudia Zabel, Susanne Stiebels, Andreas Sundermann, Olga Gerlach
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Publication number: 20220250005Abstract: Zoned diesel oxidation catalysts containing a higher precious metal loading in the inlet zone that the outlet zone and an equal or shorter length inlet zone are described. Emission treatment systems and methods of remediating nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons using zoned diesel oxidation catalysts are also described.Type: ApplicationFiled: April 28, 2022Publication date: August 11, 2022Inventors: Kenneth E. VOSS, Kevin A. HALLSTROM, Sanath V. KUMAR, Susanne STIEBELS, Marius VAARKAMP
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Publication number: 20220234032Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.Type: ApplicationFiled: March 21, 2022Publication date: July 28, 2022Inventors: Shiang Sung, Stanley A. Roth, Claudia Zabel, Susanne Stiebels, Andreas Sundermann, Olga Gerlach
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Patent number: 11344845Abstract: Zoned diesel oxidation catalysts containing a higher precious metal loading in the inlet zone that the outlet zone and an equal or shorter length inlet zone are described. Emission treatment systems and methods of remediating nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons using zoned diesel oxidation catalysts are also described.Type: GrantFiled: June 1, 2018Date of Patent: May 31, 2022Assignee: BASF CorporationInventors: Kenneth E. Voss, Kevin A. Hallstrom, Sanath V. Kumar, Susanne Stiebels, Marius Vaarkamp
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Publication number: 20220154611Abstract: The present invention relates to a selective catalytic reduction catalyst comprising a porous wall-flow filter substrate; wherein in the pores of the porous internal walls and on the surface of the porous internal walls, the catalyst comprises a selective catalytic reduction coating comprising a selective catalytic reduction component comprising a zeolitic material comprising one or more of copper and iron. The present invention further relates to a process for preparing a selective catalytic reduction catalyst using particles of a carbon-containing additive and an aqueous mixture comprising said particles of a carbon-containing additive.Type: ApplicationFiled: April 15, 2020Publication date: May 19, 2022Inventors: Matthias PETER, Susanne STIEBELS, Andreas ZEEB, Claudia ZABEL, Maria HEENEMANN
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Publication number: 20220127987Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Applicant: BASF CORPORATIONInventors: Shiang Sung, Patrick William McCanty, Markus Koegel, Susanne Stiebels
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Patent number: 11311865Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.Type: GrantFiled: May 13, 2019Date of Patent: April 26, 2022Assignee: BASF CorporationInventors: Shiang Sung, Stanley A Roth, Claudia Zabel, Susanne Stiebels, Andreas Sundermann, Olga Gerlach
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Patent number: 11248505Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.Type: GrantFiled: June 13, 2017Date of Patent: February 15, 2022Assignee: BASF CORPORATIONInventors: Shiang Sung, Patrick William McCanty, Markus Koegel, Susanne Stiebels
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Patent number: 11213789Abstract: A catalyst containing a washcoat including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and a physical mixture or a chemical combination or an atomically doped combination thereof is described. A catalyst containing a first washcoat zone substantially free of platinum group metal and including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms; and a second washcoat zone including copper or iron on a small pore molecular sieve material having a maximum ring size of eight tetrahedral atoms physically mixed with platinum or platinum and rhodium on a refractory metal oxide support including alumina, silica, zirconia, titania, and a physical mixture or a chemical combination or an atomically doped combination thereof is provided.Type: GrantFiled: August 29, 2016Date of Patent: January 4, 2022Assignee: BASF CorporationInventors: Marcus Hilgendorff, Karifala Dumbuya, Claudia Zabel, Susanne Stiebels
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Publication number: 20210379530Abstract: A selective catalytic reduction catalyst for the treatment of an exhaust gas stream of a passive ignition engine, the catalyst comprising a porous wall-flow filter substrate comprising an inlet end, an outlet end, a substrate axial length (w) extending between the inlet end and the outlet end, and a plurality of passages defined by porous internal walls of the porous wall flow filter substrate; wherein the catalyst further comprises a first coating, said first coating extending over x % of the substrate axial length from the inlet end toward the outlet end of the substrate, x being in the range of from 10 to 100, wherein the first coating comprises copper and an 8-membered ring pore zeolitic material; wherein the catalyst further comprises a second coating, the second coating extending over y % of the substrate axial length from the outlet end toward the inlet end of the substrate, y being in the range of from 20 to 90, wherein the second coating comprises copper, and optionally an 8-membered ring pore zeolitType: ApplicationFiled: October 30, 2019Publication date: December 9, 2021Applicant: BASF SEInventors: Matthias PETER, Susanne STIEBELS, Karifala DUMBUYA, Claudia ZABEL
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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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Publication number: 20210069684Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Applicant: BASF CorporationInventors: Shiang Sung, Stanley A. Roth, Karifala Dumbuya, Susanne Stiebels, Claudia Zabel, Olga Gerlach, Andreas Sundermann
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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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Patent number: 10864502Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.Type: GrantFiled: December 16, 2013Date of Patent: December 15, 2020Assignee: BASF CorporationInventors: Shiang Sung, Stanley A. Roth, Karifala Dumbuya, Susanne Stiebels, Claudia Zabel, Olga Gerlach, Andreas Sundermann
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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: 20190331013Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.Type: ApplicationFiled: June 13, 2017Publication date: October 31, 2019Inventors: Shiang Sung, Patrick William McCanty, Markus Koegel, Susanne Stiebels
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Publication number: 20190262809Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Inventors: Shiang Sung, Stanley A. Roth, Claudia Zabel, Susanne Stiebels, Andreas Sundermann, Olga Gerlach