公开(公告)号：US20230016066A1

公开(公告)日：2023-01-19

申请号：US17756120

申请日：2020-11-22

Applicant: BASF CORPORATION

Inventor： Yipeng Sun ,  Aleksei Vjunov ,  Ke-Bin Low

IPC: B01D53/94

Abstract: The present disclosure generally relates to emission control catalyst articles comprising a platinum group metal (PGM) enriched zone, methods of making such emission control catalyst articles, and methods of using such emission control catalyst articles.

公开(公告)号：US20240424444A1

公开(公告)日：2024-12-26

申请号：US18274002

申请日：2022-01-25

Applicant: BASF Corporation

Inventor： Jun Cong Jiang ,  Yipeng Sun ,  Aleksei Vjunov ,  Ye Hui Wu ,  Attilio Siani

IPC: B01D53/94 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J35/56 ,  B01J37/02 ,  B01J37/08 ,  F01N3/035

Abstract: The disclosure relates to a particulate filter for the treatment of exhaust gas from an internal combustion engine, wherein the particulate filter comprises a catalyst material layer comprising at least one platinum group metal, and the average loading of platinum group metal in the region which is around the whole central axis of the particulate filter and accounts for 20 to 70 vol. % of the total volume of the particulate filter, is 1.1 to 10 times the average loading of platinum group metal in the remaining part of the particulate filter. The particulate filter according to the present invention has a centralized-distributed PGM in the radial direction, shows excellent HC, NOx, and CO conversions and low backpressure.

公开(公告)号：US20190240643A1

公开(公告)日：2019-08-08

申请号：US16320572

申请日：2017-06-15

Applicant: BASF Corporation

Inventor： Andrey Karpov ,  Benjamin Foulon ,  Chunxin JI ,  Knut Wassermann ,  Michel Deeba ,  Yipeng Sun

IPC: B01J23/44 ,  B01J23/46 ,  B01J35/02 ,  B01J37/02 ,  B01J37/16 ,  B01J35/00 ,  B01J35/04 ,  F01N3/10 ,  F01N3/20

CPC classification number: B01J23/44 ,  B01D53/945 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/9022 ,  B01J21/04 ,  B01J21/066 ,  B01J23/464 ,  B01J23/63 ,  B01J35/0013 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0045 ,  B01J37/0211 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/16 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/822 ,  B01J2523/824 ,  F01N3/101 ,  F01N3/20 ,  F01N2330/30 ,  F01N2510/0684

Abstract: The present disclosure provides a three-way conversion (TWC) catalyst composition, and a catalyst article comprising such a catalyst composition suitable for at least partial conversion of gaseous hydrocarbons (HCs), carbon monoxide (CO), and nitrogen oxides (NOx). Generally, the catalyst article includes a catalyst substrate having a plurality of channels adapted for gas flow, each channel having a wall surface and a catalytic coating on the surfaces or inside the pores of the wall. The catalytic coating generally includes a first washcoat with a platinum group metal (PGM) component and a first refractory metal oxide support and a second washcoat having a plurality of palladium-rhodium nanoparticles and a second refractory metal oxide support.

公开(公告)号：US20180178198A1

公开(公告)日：2018-06-28

申请号：US15738858

申请日：2015-06-24

Applicant: BASF Corporation

Inventor： Michel Deeba ,  Yipeng Sun ,  Tian Luo ,  Emi Leung ,  Pavel Ruvinskiy ,  Dinh Dang

IPC: B01J23/63 ,  B01J35/00 ,  B01J35/04 ,  B01D53/94 ,  F01N3/10 ,  F01N3/035

CPC classification number: B01J23/63 ,  B01D53/945 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/40 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/9032 ,  B01D2255/9035 ,  B01D2255/9037 ,  B01D2255/908 ,  B01D2255/9155 ,  B01D2255/9202 ,  B01D2255/9207 ,  B01D2258/012 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/101 ,  F01N2510/0684 ,  Y02T10/22 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/3725 ,  B01J2523/48 ,  B01J2523/822 ,  B01J2523/25 ,  B01J2523/3712 ,  B01J2523/824

Abstract: Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.

公开(公告)号：US20230321635A1

公开(公告)日：2023-10-12

申请号：US18043964

申请日：2021-09-23

Applicant: BASF Corporation ,  BASF SE

Inventor： Yuejin Li ,  Andreas Sundermann ,  Xiaolai Zheng ,  Yipeng Sun ,  Karifala Dumbuya ,  Pascaline Tran

IPC: B01J23/42 ,  B01J23/46 ,  B01J23/10 ,  B01J21/04 ,  B01J21/06 ,  B01J37/02 ,  B01J37/04 ,  B01D53/86 ,  F01N3/10

CPC classification number: B01J23/42 ,  B01J23/464 ,  B01J23/10 ,  B01J21/04 ,  B01J21/066 ,  B01J37/0201 ,  B01J37/04 ,  B01D53/865 ,  F01N3/101 ,  F01N2570/14 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2330/18

Abstract: The present invention provides a catalyst composition comprising a) platinum; b) rhodium; and c) a ceria-alumina composite, a zirconia composite or a mixture thereof, wherein platinum is supported on the ceria-alumina composite, zirconia composite or mixture thereof, wherein rhodium is supported on the ceria-alumina composite, zirconia composite or mixture thereof, wherein CeO2 in the ceria alumina composite is 1.0 to 50 wt. %, based on the total weight of the ceria-alumina composite, wherein the amount of ZrO2 in the zirconia composite is 50 to 99 wt. %, based on the total weight of the zirconia composite. The present invention also provides a catalytic article comprising the catalyst composition and its preparation.

公开(公告)号：US10512898B2

公开(公告)日：2019-12-24

申请号：US15738858

申请日：2016-06-24

Applicant: BASF Corporation

Inventor： Michel Deeba ,  Yipeng Sun ,  Tian Luo ,  Emi Leung ,  Pavel Ruvinskiy ,  Dinh Dang

IPC: B01D53/94 ,  B01J23/63 ,  B01J35/00 ,  B01J35/04 ,  F01N3/035 ,  F01N3/10 ,  B01J37/02

Abstract: Provided are automotive catalyst composites having a catalytic material on a carrier, wherein the catalytic material comprises at least two layers. The first layer is deposited directly on the carrier and comprises a first palladium component supported on a first refractory metal oxide component, a first oxygen storage component, or a combination thereof. The second layer is deposited on top of the first layer and comprises a rhodium component supported on a second refractory metal oxide component and a second palladium component supported on a second oxygen storage component, a third refractory metal oxide component or a combination thereof. Generally these catalyst composites are used as three-way conversion (TWC) catalysts. Methods of making and using the same are also provided.