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公开(公告)号：US20240058791A1
公开(公告)日：2024-02-22
申请号：US18267510
申请日：2021-12-16
Applicant: BASF Corporation
Inventor： Shiang Sung , Andreas Sundermann , Xiaolai Zheng
IPC: B01J23/63 , B01J35/00 , B01J37/10 , B01J37/00 , B01D53/94 , B01J35/04 , B01J23/42 , B01J23/46 , B01J23/44 , B01J37/02 , F01N3/10 , F01N3/28
CPC classification number: B01J23/63 , B01J35/0006 , B01J37/10 , B01J37/0018 , B01D53/945 , B01J35/04 , B01J23/42 , B01J23/464 , B01J23/44 , B01J37/0244 , B01J37/0201 , B01J37/0248 , F01N3/101 , F01N3/2828 , B01D2257/502 , B01D2257/702 , B01D2257/404 , B01D2255/1021 , B01D2255/1025 , B01D2255/407 , B01D2255/908 , B01D2258/014 , B01D2255/9155 , B01D2255/1023 , F01N2370/02
Abstract: The present invention provides a catalyst composition comprising at least one platinum group metal; and at least one complex metal oxide wherein the at least one platinum group metal is supported on the at least complex metal oxide, wherein the complex metal oxide comprises ceria (calculated as CeO2) in an amount of about 50 to about 99 wt. %, based on the total weight of the complex metal oxide; and zirconia (calculated as ZrO2) in an amount of about 1.0 to about 50 wt. %, based on the total weight the complex metal oxide. The present invention also provides a catalytic article made from said catalyst composition, its preparation and use for the treatment of the exhaust gases.
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12.发明公开公开(公告)号：US20230338928A1
公开(公告)日：2023-10-26
申请号：US17725828
申请日：2022-04-21
Inventor： Yuntao Gu , Fudong Liu , Wei Li , Shaohua Xie , Yuejin Li , Xiaolai Zheng
CPC classification number: B01J23/44 , B01J23/10 , B01J21/04 , B01J6/001 , B01J37/0201 , B01J37/0215 , B01J37/0236 , F01N3/101 , F01N2570/12 , F01N2570/14 , F01N2570/10
Abstract: A three-way catalyst for reduced palladium loading is provided. The catalyst includes an inert substrate and a palladium catalyst material coating the substrate. The palladium catalyst material includes a support material formed from one of 10% CeO2/Al2O3, 20% CeO2—Al2O3 (20CeAlOy), 30% CeO2—Al2O3 (30CeAlOy), Al2O3, and MOx-Al2O3, wherein M is one of copper, iron, manganese, titanium, zirconium, magnesium, strontium, and barium. The palladium catalyst material includes a layer of CeO2 material disposed upon the support material, wherein the layer of CeO2 material is dispersed on a surface of the support material. The palladium catalyst material includes an active component including a layer of praseodymium oxide particles dispersed across the surface of the layer of CeO2 material and a layer of palladium particles disposed upon and dispersed across the surface of the layer of CeO2 material at locations each corresponding to a respective location of each of the praseodymium particles.
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公开(公告)号：US20200346192A1
公开(公告)日：2020-11-05
申请号：US16924667
申请日：2020-07-09
Applicant: BASF Corporation
Inventor： Shiang Sung , Patrick William McCanty , Stanley A. Roth , Xiaolai Zheng , Olga Gerlach , Markus Kögel
IPC: B01J23/656 , B01J37/02 , B01J37/20 , B01J23/63 , B01J35/04 , B01J29/18 , B01J29/74 , B01J29/44 , B01J29/69 , B01J29/068 , B01J29/40 , B01J29/70 , B01J29/08 , B01J29/06 , B01J29/076 , B01J29/26 , B01J29/67 , B01J29/22 , B01J37/10 , B01J29/16 , B01J29/12 , B01J29/48 , B01J29/78 , B01J23/00 , B01J29/65 , B01D53/94 , B01J35/00 , B01J37/08 , F01N3/10
Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, described is an oxidation catalyst composite including a first oxidation component comprising a first refractory metal oxide support, palladium (Pd) and platinum (Pt); a NOx storage component comprising one or more of alumina, silica, titania, ceria, or manganese; and a second oxidation component comprising a second refractory metal oxide, a zeolite, and Pt. The oxidation catalyst composite is sulfur tolerant, adsorbs NOx and thermally releases the stored NOx at temperature less than 350° C.
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公开(公告)号：US20170362984A1
公开(公告)日：2017-12-21
申请号：US15532751
申请日：2015-12-08
Applicant: BASF Corporation
Inventor： Yuejin Li , Xiaolai Zheng , Stanley Roth , Olga Gerlach , Andreas Sundermann
IPC: F01N3/20 , B01D53/94 , F01N3/08 , B01J37/08 , B01J37/02 , B01J35/10 , B01J35/04 , B01J35/00 , B01J33/00 , B01J23/46 , B01J23/44 , B01J23/42 , B01J23/10 , F01N3/10 , F01N3/28
CPC classification number: F01N3/2066 , B01D53/9427 , B01D53/945 , B01D53/9468 , B01D53/9472 , B01D2255/1025 , B01D2255/2065 , B01D2255/9022 , B01D2255/9032 , B01D2255/9155 , B01D2255/9205 , B01D2255/9207 , B01D2257/402 , B01J23/10 , B01J23/42 , B01J23/44 , B01J23/464 , B01J23/468 , B01J23/52 , B01J23/63 , B01J33/00 , B01J35/0006 , B01J35/006 , B01J35/023 , B01J35/04 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J37/0201 , B01J37/0215 , B01J37/0244 , B01J37/0246 , B01J37/0248 , B01J37/08 , B01J37/082 , B01J37/088 , B01J2523/00 , F01N3/0842 , F01N3/101 , F01N3/2839 , Y02C20/10 , Y02T10/22 , B01J2523/36 , B01J2523/3712 , B01J2523/822 , B01J2523/3706 , B01J2523/3718 , B01J2523/3725 , B01J2523/3737 , B01J2523/375
Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.
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公开(公告)号：US09321009B2
公开(公告)日：2016-04-26
申请号：US14046216
申请日：2013-10-04
Applicant: BASF Corporation
Inventor： Chung-Zong Wan , Xiaolai Zheng , Susanne Stiebels , Claudia Wendt , Torsten Neubauer , R. Samuel Boorse
CPC classification number: B01D53/9431 , B01D53/58 , B01D53/92 , B01D53/9418 , B01D53/9422 , B01D53/9472 , B01D53/9477 , B01D2251/2062 , B01D2255/102 , B01D2255/2042 , B01D2255/2045 , B01D2255/206 , B01D2255/2063 , B01D2255/2066 , B01D2255/2068 , B01D2255/20753 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/9022 , B01D2255/91 , B01D2255/9155 , B01D2255/9205 , B01D2258/012 , F01N3/02 , F01N3/021 , F01N3/035 , F01N3/0807 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N3/10 , F01N3/103 , F01N3/206 , F01N3/2066 , F01N3/2073 , F01N13/02 , F01N2510/063 , F01N2510/0682 , Y02T10/24
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US08858891B2
公开(公告)日：2014-10-14
申请号：US14046216
申请日：2013-10-04
Applicant: BASF Corporation
Inventor： Chung-Zong Wan , Xiaolai Zheng , Susanne Stiebels , Claudia Wendt , Torsten Neubauer , R. Samuel Boorse
Abstract: 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.
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公开(公告)号：US20240207823A1
公开(公告)日：2024-06-27
申请号：US18555770
申请日：2022-04-20
Applicant: BASF Corporation
Inventor： Wei Liang Wang , Xiaolai Zheng , Chun Yu chen , Attilio Siani , Pascaline Tran
CPC classification number: B01J23/42 , B01D53/945 , B01J23/10 , B01J35/19 , B01D2255/9155 , B01D2257/404 , B01D2257/502 , B01D2257/702 , B01D2258/012
Abstract: The present invention relates to a layered catalytic article, particularly useful for three-way conversion, which comprises a) atop layer comprising a palladium (Pd) component, a platinum (Pt) component and a rhodium (Rh) component, wherein the palladium component, the platinum component and the rhodium component are present in supported forms, and wherein at least part of the platinum component and at least part of the rhodium component are supported together on one or more supports; b) a bottom layer comprising a palladium component in a supported form as the only platinum group metal component; and c) a substrate, on which the top layer and bottom layer are carried, wherein the palladium components are loaded in the top layer and in the bottom layer at a ratio of higher than 1:1, calculated as palladium element, and also to an exhaust treatment system comprising the same.
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公开(公告)号：US10883402B2
公开(公告)日：2021-01-05
申请号：US16278654
申请日：2019-02-18
Applicant: BASF CORPORATION
Inventor： Xiaoming Wang , Michel Deeba , Xiaolai Zheng , Sven Titlbach , Andreas Sundermann , Stephan Andreas Schunk
IPC: B01J21/06 , B01J23/00 , B01J23/10 , B01J37/02 , B01J37/03 , B01J37/04 , B01J37/08 , F01N3/10 , B01J23/63 , B01D53/94 , B01J23/46 , B01J23/58 , B01J35/10 , B01J37/00
Abstract: Composites of mixed metal oxides for an exhaust gas purifying catalyst comprise the following co-precipitated materials by weight of the composite: zirconia in an amount in the range of 55-99%; titania in an amount in the range of 1-25%; a promoter and/or a stabilizer in an amount in the range of 0-20%. These composites are effective as supports for platinum group metals (PGMs), in particular rhodium.
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公开(公告)号：US20180229224A1
公开(公告)日：2018-08-16
申请号：US15752968
申请日：2016-08-18
Applicant: BASF Corporation , N.E. Chemcat Corporation
Inventor： Xiaolai Zheng , Michel Deeba , Xiaofan Yang , Qi Fu , Knut Wassermann , Makoto Nagata , Yasuharu Kanno , Hiroki Nakayama
IPC: B01J29/85 , B01J29/76 , B01J23/755 , B01J23/10 , B01J23/745 , B01J21/06 , B01J35/00 , B01J35/04 , B01J37/30 , B01J37/08 , B01J37/02 , B01D53/94 , F01N3/20 , F01N3/28 , F01N3/10 , F01N13/00
CPC classification number: B01J29/85 , B01D53/9418 , B01D53/9422 , B01D53/945 , B01D53/9468 , B01D53/9472 , B01D53/9477 , B01D2255/2065 , B01D2255/2066 , B01D2255/20715 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/20761 , B01D2255/407 , B01D2255/50 , B01D2255/9022 , B01D2255/9032 , B01D2255/9155 , B01D2258/014 , B01J21/066 , B01J23/002 , B01J23/10 , B01J23/63 , B01J23/745 , B01J23/755 , B01J23/83 , B01J29/072 , B01J29/76 , B01J29/763 , B01J35/0006 , B01J35/04 , B01J35/1014 , B01J37/0201 , B01J37/0236 , B01J37/0244 , B01J37/0246 , B01J37/0248 , B01J37/08 , B01J37/088 , B01J37/30 , B01J2229/183 , B01J2229/186 , B01J2523/00 , F01N3/101 , F01N3/2066 , F01N3/2828 , F01N13/0093 , F01N2330/06 , F01N2610/02 , Y02T10/22 , Y02T10/24 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , B01J2523/847 , B01J2523/17 , B01J2523/842 , B01J2523/25 , B01J2523/31 , B01J2523/824 , B01J2523/822
Abstract: Described are catalysts effective to abate NOx, hydrocarbons, and carbon monoxide from a gasoline engine exhaust gas. Such catalysts include a substrate having a first and second material disposed thereon, the first material effective to catalyze selective catalytic reduction of nitrogen oxides in the presence of ammonia and the second material effective to abate hydrocarbons and carbon monoxide, the first material comprising a molecular sieve promoted with copper and/or iron in a low loading, the second material comprising at least one oxide of Ni, Fe, Mn, Co, and Cu on a support selected from oxides of Ce, Ce—Zr, Zr, Mn, Pr and combinations thereof. Also described are gasoline engine exhaust gas treatment systems and methods of treating exhaust gas from a gasoline engine.
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20.发明申请公开(公告)号：US20170284251A1
公开(公告)日：2017-10-05
申请号：US15508744
申请日：2015-08-28
Applicant: BASF CORPORATION
Inventor： Xiaoming Wang , Michel Deeba , Xiaolai Zheng , Sven Titlbach , Andreas Sundermann , Stephan Andreas Schunk
CPC classification number: F01N3/101 , B01D53/945 , B01D2255/102 , B01D2255/1025 , B01D2255/204 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2066 , B01D2255/2068 , B01D2255/20707 , B01D2255/20715 , B01D2255/20776 , B01D2255/30 , B01J21/066 , B01J23/002 , B01J23/10 , B01J23/46 , B01J23/464 , B01J23/58 , B01J23/63 , B01J35/1014 , B01J37/0018 , B01J37/0201 , B01J37/0215 , B01J37/0219 , B01J37/0225 , B01J37/0236 , B01J37/0244 , B01J37/0248 , B01J37/03 , B01J37/031 , B01J37/04 , B01J37/08 , B01J2523/00 , Y02T10/22 , B01J2523/25 , B01J2523/31 , B01J2523/48 , B01J2523/824 , B01J2523/3706 , B01J2523/47 , B01J2523/822
Abstract: Composites of mixed metal oxides for an exhaust gas purifying catalyst comprise the following co-precipitated materials by weight of the composite: zirconia in an amount in the range of 55-99%; titania in an amount in the range of 1-25%; a promoter and/or a stabilizer in an amount in the range of 0-20%. These composites are effective as supports for platinum group metals (PGMs), in particular rhodium.
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