公开(公告)号：US20220161236A1

公开(公告)日：2022-05-26

申请号：US17593396

申请日：2020-03-18

Applicant: BASF Corporation

Inventor： Aleksei VJUNOV ,  Xiaolai ZHENG ,  Michel DEEBA ,  Patrick L. BURK

IPC: B01J23/46 ,  B01J23/42 ,  B01J23/44 ,  B01J23/10 ,  B01J21/04 ,  B01J23/02 ,  B01J23/00 ,  B01J35/00 ,  B01J37/00 ,  B01J37/04 ,  B01J37/08 ,  B01J37/02 ,  B01J35/02 ,  B01J35/04 ,  B01D53/94 ,  F01N3/10

Abstract: The presently claimed invention provides a tri-metallic layered catalytic article comprising: a) a top layer comprising platinum supported on at least one of an oxygen storage component, zirconia component and an alumina component, and rhodium supported on an oxygen storage component; b) a bottom layer comprising a front zone and a rear zone, said front zone comprising palladium supported on an oxygen storage component and an alumina component, and the rear zone comprises platinum supported on at least one of an alumina component, a ceria component, and an oxygen storage component; and c) a substrate, wherein the weight ratio of palladium to platinum is in the range of 1.0:0.4 to 1.0:2.0.

公开(公告)号：US20220025796A1

公开(公告)日：2022-01-27

申请号：US17309711

申请日：2019-12-16

Applicant: BASF Corporation

Inventor： Aleksei VJUNOV ,  Michel DEEBA ,  Xiaolai ZHENG ,  Tian LUO

IPC: F01N3/10 ,  F01N3/28 ,  B01J37/02 ,  B01J37/08 ,  B01J23/44 ,  B01J23/46 ,  B01J23/72 ,  B01J23/755

Abstract: The present invention provides a catalytic article comprising a) a first layer comprising a nickel component and a copper component supported on a ceria component, wherein the amount of the nickel component is 0.1 to 30 wt. %, calculated as nickel oxide, based on the total weight of the first layer, and wherein the amount of the copper component is 0.01 to 5.0 wt. % calculated as copper oxide, based on the total weight of the first layer; b) a second layer comprising a platinum group metal component supported on at least one of an oxygen storage component, an alumina component and a zirconia component, wherein the platinum group metal component comprises platinum, rhodium, palladium, or any combination thereof, and wherein the amount of the platinum group metal component is 0.01 to 5.0 wt. % based on the total weight of the second layer; and c) a substrate, wherein the first layer and the second layer are separated by a barrier layer or a gap.

公开(公告)号：US20250058310A1

公开(公告)日：2025-02-20

申请号：US18723025

申请日：2022-11-10

Applicant: BASF CORPORATION

Inventor： Aleksei VJUNOV ,  Yipeng SUN ,  Kai SCHMITZ ,  Xue LIU ,  Pascaline TRAN ,  Gary A YACOBIAN ,  Amit A GOKHALE ,  Stefan MAURER

IPC: B01J37/02 ,  B01J23/40 ,  B05B1/30

Abstract: Apparatuses and methods for depositing platinum-group metals (PGM) on substrates in a production line. The apparatus may include: at least one movement mechanism configured to move a plurality of substrates through a deposition region of the production line; at least one alignment mechanism configured to align a plurality of deposition units with a portion of the plurality of substrates in the deposition region; and at least one control unit configured to control a flow rate of the PGM through at least one supply line to the aligned plurality of deposition units to deposit the PGM on deposition surfaces of the aligned portion of the plurality of substrates.

公开(公告)号：US20230358155A1

公开(公告)日：2023-11-09

申请号：US18245063

申请日：2021-09-15

Applicant: BASF CORPORATION

Inventor： Jun Cong JIANG ,  Yipeng SUN ,  Aleksei VJUNOV ,  Pascaline TRAN ,  Attilio SIANI

IPC: F01N3/035 ,  F01N3/022

CPC classification number: F01N3/035 ,  F01N3/0222 ,  F01N2370/02 ,  F01N2510/0682

Abstract: Disclosed herein is a particulate filter, in particular a catalyzed particulate filter, for use in an emission treatment system of an internal combustion engine. Provided are catalyzed particulate filters, emission treatment systems with catalyzed particulate filters, methods for manufacturing catalyzed particulate filters, and methods for controlling emissions in exhaust gas from internal combustion engines with catalyzed particulate filters.

公开(公告)号：US20220193639A1

公开(公告)日：2022-06-23

申请号：US17593395

申请日：2020-03-18

Applicant: BASF Corporation

Inventor： Aleksei VJUNOV ,  Michel DEEBA ,  Xiaolai ZHENG ,  Patrick L. BURK

IPC: B01J23/46 ,  B01J21/04 ,  B01J23/10 ,  B01J23/44 ,  B01J37/03 ,  B01J37/08 ,  B01J23/02 ,  B01J21/16 ,  B01J35/00 ,  B01J35/04 ,  F01N3/28 ,  F01N3/10 ,  B01D53/94

Abstract: The present invention provides a tri-metallic layered catalytic article comprising a first layer comprising palladium supported on at least one of an oxygen storage component, and an alumina component; a second layer comprising platinum and rhodium, each supported on at least one of an oxygen storage component and a zirconia component; and a substrate, wherein the weight ratio of palladium to platinum is in the range of 1.0:0.4 to 1:2. The present invention also provides a process for preparing the tri-metallic layered catalytic article, an exhaust system for internal combustion engine and use of the tri-metallic layered catalytic article for purifying a gaseous exhaust stream.

公开(公告)号：US20230338938A1

公开(公告)日：2023-10-26

申请号：US17756121

申请日：2020-12-16

Applicant: BASF CORPORATION

Inventor： Aleksei VJUNOV ,  Yipeng SUN

IPC: B01J35/00 ,  B01J35/04 ,  B01J23/44 ,  B01J23/46 ,  B01J21/04 ,  B01J23/10 ,  B01J37/02 ,  B01J37/08 ,  F01N3/28 ,  B01D53/94

CPC classification number: B01J35/0006 ,  B01J35/04 ,  B01J35/0066 ,  B01J23/44 ,  B01J23/464 ,  B01J21/04 ,  B01J23/10 ,  B01J37/0248 ,  B01J37/0244 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/088 ,  F01N3/2828 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/945 ,  B01D53/9454 ,  F01N2370/02 ,  F01N2330/06 ,  B01D2255/1023 ,  B01D2255/1021 ,  B01D2255/1025 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2259/4566

Abstract: The presently claimed invention provides an emission control catalyst article comprising a substrate having an inlet axial end and an outlet axial end, a bottom washcoat layer coated on the 60 to 100% length of the substrate from the inlet axial end to the outlet axial end, and a top washcoat layer coated on the 60 to 100% length of the substrate from the inlet or the outlet or both end of the substrate such that the top coat covers at least 60% of the length of the bottom washcoat layer, wherein at least part of the top washcoat layer and/or the bottom washcoat layer comprises a first portion and a second portion, wherein the first portion begins at the inlet axial end or the outlet axial end of the substrate and exhibits a platinum group metal concentration of 2 to 100 times higher than the concentration of a platinum group metal in the second portion, wherein the first portion comprises 5-50% of the substrate volume and exhibits a three-dimensional axial and/or radial zone arrangement starting from the inlet axial end of the substrate or the outlet axial end or both, wherein the platinum group metal loading in the first portion is 10 to 1000 g/ft, as determined axially from a first end of the first portion to a second end of the first portion. The platinum group metal of the first portion is deposited by spraying a platin group metal precursor solution using an apparatus comprising a spray nozzle connected to the dosing unit via a second supply tube, a control arm device connected to the spray nozzle, wherein said control arm device is adapted to allow the 3-D positioning of the nozzle relative to a substrate face and adapt the radial and/or axial deposition of the platinum group metal within the individual channels.

公开(公告)号：US20220212170A1

公开(公告)日：2022-07-07

申请号：US17595321

申请日：2020-06-23

Applicant: BASF Corporation

Inventor： Shiang SUNG ,  Xiaolai ZHENG ,  Aleksei VJUNOV ,  Chunxin JI ,  Karifala DUMBUYA

IPC: B01J23/46 ,  B01J35/00 ,  B01J37/08 ,  B01J37/03 ,  B01J23/10 ,  B01J37/04 ,  B01J35/04 ,  B01D53/94 ,  F01N3/10 ,  F01N3/28

Abstract: The presently claimed invention provides a catalytic article and an exhaust gas treatment system. The catalytic article comprises platinum supported on a first support comprising ceria containing metal oxide component; rhodium supported on a second support selected from a refractory alumina component, an oxygen storage component or a combination thereof; and a substrate, wherein said catalytic article is essentially free of palladium. The presently claimed invention also provides a process for preparing the catalytic article and use of the catalytic article and the exhaust gas treatment system for purifying a gaseous exhaust stream comprising hydrocarbons, carbon monoxide, and nitrogen oxide.

公开(公告)号：US20220212169A1

公开(公告)日：2022-07-07

申请号：US17595320

申请日：2020-06-17

Applicant: BASF Corporation

Inventor： Aleksei VJUNOV ,  Michel DEEBA

IPC: B01J23/42 ,  B01J23/10 ,  B01J23/44 ,  B01J23/46 ,  B01J23/755 ,  B01J35/00 ,  B01J35/04 ,  B01D53/94 ,  F01N3/10 ,  F01N3/28

Abstract: The presently claimed invention relates an automotive catalyst system which can be used to selectively reduce carbon monoxide. The system comprises a first close coupled three-way conversion catalytic article in fluid communication with an engine exhaust outlet, a catalytic article located downstream of and in fluid communication with the first close coupled three-way conversion catalytic article, a tail-pipe catalytic article arranged downstream in fluid communication and 1.0 to 10 feet away from the catalytic article at a position selected from before or behind a resonator, before or after a muffler, between the resonator and the muffler, inside the muffler, inside the resonator, and at a tail pipe end.

公开(公告)号：US20220203339A1

公开(公告)日：2022-06-30

申请号：US17595335

申请日：2020-06-23

Applicant: BASF Corporation

Inventor： Xiaolai ZHENG ,  Aleksei VJUNOV ,  Michel DEEBA ,  Shiang SUNG ,  Pascaline TRAN

IPC: B01J23/46 ,  B01J35/00 ,  B01J37/03 ,  B01J37/08 ,  B01J23/44 ,  B01J21/04 ,  B01J23/10 ,  B01J35/04 ,  B01J23/02 ,  B01D53/94 ,  F01N3/28 ,  F01N3/10 ,  F01N13/00

Abstract: The presently claimed invention provides a layered catalytic article and an exhaust system. The catalytic article comprises a first layer comprising platinum, a first platinum group metal component other than platinum, a ceria-alumina composite, and an oxygen storage component; wherein platinum is supported on the ceria-alumina component; the platinum group metal component is selected from palladium, rhodium or a combination thereof and the platinum group metal component is supported on the oxygen storage component; a second layer comprising a second platinum group metal component; and a refractory alumina component, an oxygen storage component or a combination thereof; wherein the second platinum group component is selected from platinum, palladium, rhodium or a combination thereof; and a substrate, wherein the amount of platinum is 10 to 80 wt. %, based on the total weight of platinum, palladium and rhodium. The presently claimed invention also provides a process for the preparation of a layered catalytic article and use of the catalytic article and the exhaust system for purifying a gaseous exhaust stream comprising hydrocarbons, carbon monoxide, and nitrogen oxides.