公开(公告)号：US20250091004A1

公开(公告)日：2025-03-20

申请号：US18832413

申请日：2023-01-28

Applicant: BASF CORPORATION

Inventor： Attilio SIANI ,  Chunyu CHEN ,  Yehui WU ,  Chenghao DENG

IPC: B01D53/94 ,  B01J23/63 ,  B01J35/57 ,  B01J37/02 ,  F01N3/035 ,  F01N3/10 ,  F01N3/28

Abstract: The present invention relates to a particulate filter, which comprises —a substrate, comprising a plurality of porous walls extending longitudinally to form a plurality of parallel channels extending from an inlet end to an outlet end, wherein a quantity of the channels are inlet channels that are open at the inlet end and closed at the outlet end, and a quantity of channels are outlet channels that are closed at the inlet end and open at the outlet end; and —a layer of inorganic particles loaded on surfaces of the porous walls in the inlet channels and/or outlet channels, preferably in at least the inlet channels, wherein the inorganic particles have a D90 in the range of 5.0 to 14.0 microns.