Patents by Inventor Claudia Zabel
Claudia Zabel 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: 20230191376Abstract: The present invention relates to a composition comprising a non-zeolitic oxidic material comprising alumina; an 8-membered ring pore zeolitic material comprising one or more of copper and iron, wherein the framework structure of the zeolitic material comprises a tetravalent element Y, a trivalent element X and oxygen, wherein the molar ratio of Y:X, calculated as YO2X2O3, is in the range of from 2: 1 to 40: 1; wherein at least part of the outer surface of the zeolitic material is covered by a layer comprising the non-zeolitic oxidic material; wherein Y comprises one or more of Si, Sn, Ti, Zr and Ge and X comprises one or more of Al, B, In and Ga.Type: ApplicationFiled: April 27, 2021Publication date: June 22, 2023Inventors: Matthias PETER, Claudia ZABEL, Maria HEENEMANN, Wen-Mei XUE, Eunseok KIM, Narayana K RAO, David POLLICK
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Publication number: 20230173473Abstract: The present invention relates to a selective catalytic reduction catalyst for the treatment of an exhaust gas of a combustion engine, 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 coating disposed on the substrate (i), the coating comprising a first non-zeolitic oxidic material comprising aluminum, an 8-membered ring pore zeolitic material comprising one or more of copper and iron, and a second non-zeolitic oxidic material comprising cerium and one or more of zirconium, aluminum, silicon, lanthanum, niobium, iron, manganese, titanium, tungsten, copper, molybdenum, neodymium, cobalt, chromium, tin and praseodymium; wherein at least 65 weight-% of the coating consist of the 8-membered ring pore zeolitic material comprising one or more of copper and iron.Type: ApplicationFiled: April 28, 2021Publication date: June 8, 2023Inventors: Matthias PETER, Bjoern NEUMANN, Claudia ZABEL, Maria HEENEMANN
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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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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: 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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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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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: 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: 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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Patent number: 10724411Abstract: A diesel oxidation catalyst, containing a washcoat containing four layers, the washcoat being disposed on a substrate, wherein the washcoat contains: a first layer containing a first platinum group metal supported on a first metal oxide support material, wherein the first layer is disposed on the substrate; a second layer containing a second platinum group metal supported on a second metal oxide support material, and containing a fifth platinum group metal, wherein the second layer is disposed on the first layer; a third layer containing a third platinum group metal supported on a third metal oxide support material and containing a zeolitic material containing Fe and containing a sixth platinum group metal; and a fourth layer containing a fourth platinum group metal and a fourth metal oxide.Type: GrantFiled: March 13, 2018Date of Patent: July 28, 2020Assignee: BASF CorporationInventors: Karifala Dumbuya, Claudia Zabel, Shiang Sung
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Publication number: 20190383184Abstract: A diesel oxidation catalyst, comprising a washcoat comprising four layers, the washcoat being disposed on a substrate, wherein the washcoat comprises a first layer comprising a first platinum group metal supported on a first metal oxide support material, which first layer is disposed on the substrate; a second layer comprising a second platinum group metal supported on a second metal oxide support material, and comprising a fifth platinum group metal, which second layer is disposed on the first layer; a third layer comprising a third platinum group metal supported on a third metal oxide support material and comprising a zeolitic material comprising Fe and comprising a sixth platinum group metal; and a fourth layer comprising a fourth platinum group metal and a fourth metal oxide; wherein the substrate has a length, a front end and a rear end; wherein the first layer is disposed on the substrate on the entire length of the substrate, wherein the second layer is disposed on the first layer on the entire lengthType: ApplicationFiled: March 13, 2018Publication date: December 19, 2019Applicant: BASF CorporationInventors: Karifala DUMBUYA, Claudia ZABEL, Shiang SUNG
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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
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Patent number: 10335776Abstract: 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: December 16, 2013Date of Patent: July 2, 2019Assignee: BASF CorporationInventors: Shiang Sung, Stanley A. Roth, Claudia Zabel, Susanne Stiebels, Andreas Sundermann, Olga Gerlach
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Patent number: 10328388Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emis-sions from a diesel engine are described. More particularly, described is an oxidation catalyst composite including a first oxidation material comprising a first refractory metal oxide support, a rare earth oxide, and palladium (Pd); a second oxidation material comprising a second refractory metal oxide, and platinum (Pt) and palladium (Pd); and a protective overlayer comprising a third refractory metal oxide, platinum (Pt) and, optionally, palladium (Pd), and a molecular sieve promoted with a metal selected from one or more of Cu, Fe, Co, Ni, Mn, V, and, Ag. The oxid-ation catalyst composite is sulfur tolerant.Type: GrantFiled: July 29, 2016Date of Patent: June 25, 2019Assignee: BASF CorporationInventors: Karifala Dumbuya, Claudia Zabel, Susanne Stiebels, Shiang Sung