公开(公告)号：US20220395814A1

公开(公告)日：2022-12-15

申请号：US17755875

申请日：2020-11-10

Applicant: BASF CORPORATION

Inventor： Jun Cong JIANG ,  Yun Fei QI ,  Attilio SIANI ,  Weiyong TANG ,  Shau Lin CHEN

IPC: B01J23/46 ,  B01J35/04 ,  B01J35/02 ,  B01J21/04 ,  B01J23/02 ,  B01J23/10 ,  B01D53/94 ,  F01N3/021

Abstract: The present invention relates to a particulate filter, in particular a particulate filter for use in an emission treatment system of an internal combustion engine. The particulate filter provides an advantageous combination of low back pressure and high fresh filtration efficiency.

公开(公告)号：US20250050318A1

公开(公告)日：2025-02-13

申请号：US18723684

申请日：2022-12-26

Applicant: BASF CORPORATION

Inventor： Chenghao SUN ,  Xiaoshuang YANG ,  Chengwei SONG ,  Shau Lin CHEN ,  Gianluca VOLANTE ,  Xiaolai ZHENG ,  Markus KINNE

IPC: B01J35/00 ,  B01D53/94 ,  B01J21/04 ,  B01J23/10 ,  B01J23/63 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08 ,  F01N3/10 ,  F01N3/28

Abstract: The present invention relates to a rhodium-free TWC catalytic article, which comprises a catalyst composition coat on a substrate, wherein the catalyst composition coat comprises, —a first region comprising i). a top layer comprising a first platinum component and a first palladium component, each being present in supported form, and ii). a bottom layer comprising a second platinum component in supported form, and—optionally, a second region located downstream of the first region, and comprising iii). a top layer comprising a third platinum component in supported form, and iv). a bottom layer comprising a fourth platinum component in supported form. The present invention relates to an exhaust treatment system comprising the rhodium-free TWC catalytic article.

公开(公告)号：US20220065149A1

公开(公告)日：2022-03-03

申请号：US17309961

申请日：2020-01-14

Applicant: BASF Corporation

Inventor： Chun Yu CHEN ,  Shau Lin CHEN

IPC: F01N3/30 ,  F01N3/10 ,  F01N3/28 ,  F01N1/02 ,  B01D53/94 ,  B01J23/46 ,  B01J23/10 ,  B01J23/889 ,  B01J23/02 ,  B01J35/00 ,  B01J35/04

Abstract: The present invention relates to an exhaust gas purification system comprising two catalytic sub-systems, wherein the first catalytic sub-system is for conversion of NOx, HC, CO and optionally particulate matter, and the second sub-system is for conversion of CO. The second sub-system locates at the downstream of the first catalytic sub-system. An air injection is positioned between the first catalytic sub-system and second catalytic sub-system.

公开(公告)号：US20240375086A1

公开(公告)日：2024-11-14

申请号：US18684531

申请日：2022-08-18

Applicant: BASF CORPORATION

Inventor： Dengsong ZHANG ,  Penglu WANG ,  Hongrui LI ,  Yuejin LI ,  Shau Lin CHEN

IPC: B01J23/34 ,  B01J21/06 ,  B01J23/745 ,  B01J23/76 ,  B01J35/00 ,  B01J35/30 ,  B01J37/02 ,  F01N3/035

Abstract: A non-vanadium based metal oxide catalyst composition is provided. The catalyst composition comprises at least one metal oxide, comprising manganese oxide and being dispersed on the support, and a support comprising particles of composite oxide of aluminum and at least one metal selected from cerium, manganese and titanium, wherein aluminum is present in the composite oxide in an amount of from 50% to 80% by weight, calculated as Al2O3, based on the total weight of the composite oxide, and wherein manganese oxide is present in the metal oxide catalyst composition in an amount of from 2.5% to 10% by weight, calculated as MnO2, based on the total weight of the metal oxide catalyst composition.

公开(公告)号：US20230330640A1

公开(公告)日：2023-10-19

申请号：US18042649

申请日：2021-08-06

Applicant: BASF CORPORATION

Inventor： Jun Cong JIANG ,  Ye Hui WU ,  Florian WALTZ ,  Attilio SIANI ,  Thomas SCHMITZ ,  Shau Lin CHEN

IPC: B01J23/78 ,  B01J23/02 ,  B01J21/04 ,  B01J23/34 ,  B01J35/04 ,  B01J35/10 ,  B01J35/02 ,  B01J35/00 ,  B01D53/94 ,  F01N3/28 ,  F01N3/022 ,  F01N3/10

CPC classification number: B01J23/78 ,  B01J23/02 ,  B01J21/04 ,  B01J23/34 ,  B01J35/04 ,  B01J35/1014 ,  B01J35/026 ,  B01J35/0026 ,  B01D53/94 ,  F01N3/2825 ,  F01N3/0226 ,  F01N3/101 ,  F01N3/106 ,  F01N3/0222 ,  B01D2255/2092 ,  B01D2255/2045 ,  B01D2255/30 ,  B01D2255/20707 ,  B01D2255/2047 ,  B01D2255/20738 ,  B01D2255/20715 ,  B01D2255/9207 ,  B01D2255/9202 ,  B01D2255/9155 ,  B01D2258/012 ,  B01D2257/702 ,  B01D2257/502 ,  B01D2257/404 ,  F01N2370/04 ,  F01N2330/06 ,  F01N2330/32

Abstract: Disclosed herein is a particulate filter for use in an emission treatment system of an internal combustion engine. The particulate filter provides high fresh filtration efficiency and has minimal to no impact on backpressures.