公开(公告)号：US20230330653A1

公开(公告)日：2023-10-19

申请号：US18044345

申请日：2021-09-28

Applicant: BASF CORPORATION ,  BASF SE

Inventor： Yipeng SUN ,  Krishnan S PILLAI

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

CPC classification number: B01J35/0006 ,  B01D53/945 ,  B01J23/10 ,  B01J23/44 ,  B01J23/464 ,  B01J35/04 ,  B01J37/0228 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/04 ,  B01J37/088 ,  F01N3/101 ,  F01N3/2828 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2257/404 ,  B01D2257/502 ,  B01D2257/702 ,  B01D2258/01 ,  F01N2330/06 ,  F01N2370/02

Abstract: Disclosed herein is a catalytic article including a first layer having at least one first platinum group metal supported on a first support, where the first support includes an alumina and a first oxygen storage component, and the first oxygen storage component includes ceria-zirconia; a second layer including at least one second platinum group metal supported on a second support, where the second support includes an alumina and a second oxygen storage component, and the second oxygen storage component includes ceria-zirconia; and a substrate . Further disclosed herein is a process for preparing the catalytic article.