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：US20240390875A1

公开(公告)日：2024-11-28

申请号：US18695194

申请日：2022-09-28

Applicant: BASF CORPORATION

Inventor： Xinyi WEI ,  Gerard Diomede LAPADULA ,  Kevin BEARD ,  Weiyong TANG ,  Jian LI

IPC: B01J20/04 ,  B01D53/94 ,  B01J23/40

Abstract: Disclosed herein are platinum group metal capture materials comprising an alkaline earth metal oxide. Also disclosed herein are catalytic articles, exhaust gas treatment systems, and methods of treating an exhaust gas comprising the same. Some embodiments of the present disclosure relate to gas treatment systems comprising a means for oxidizing carbon monoxide and oxidizing hydrocarbons, a means for capturing a volatilized platinum group metal, and a means for selectively reducing nitrogen oxides.

公开(公告)号：US20220154612A1

公开(公告)日：2022-05-19

申请号：US17594008

申请日：2020-04-20

Applicant: BASF Corporation

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

IPC: F01N3/035 ,  F01N3/10 ,  B01J35/00 ,  B01J37/00 ,  B01J35/02 ,  B01J37/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46

Abstract: The present invention relates to a catalyzed particulate filter and methods comprising the filter for treatment of an exhaust gas from a gasoline engine, the catalyzed particulate filter comprising a gasoline particulate filter (GPF); a major catalytic layer coated onto or within an inlet side, an outlet side, or both sides of the GPF surfaces, the major catalytic layer comprising a first composition, wherein the first composition comprising a first support material; and a first platinum group metal (PGM); and a minor functional material layer placed onto or within an inlet side, an outlet side, or both sides of the GPF surfaces; the minor catalytic layer comprising a second composition; wherein the major catalytic layer has a higher loading than the minor functional material layer; the minor functional material layer is placed on top of the major catalytic layer, or the major catalytic material layer is placed on top of the minor functional layer. The catalyzed particulate filter provides an improved catalytic efficiency in conjunction with an efficient filter.