Title:
GASOLINE PARTICULATE FILTER
Document Type and Number:
WIPO Patent Application WO/2023/143493
Kind Code:
A1
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.
Inventors:
SIANI ATTILIO (DE)
CHEN CHUNYU (CN)
WU YEHUI (CN)
DENG CHENGHAO (CN)
CHEN CHUNYU (CN)
WU YEHUI (CN)
DENG CHENGHAO (CN)
Application Number:
PCT/CN2023/073523
Publication Date:
August 03, 2023
Filing Date:
January 28, 2023
Export Citation:
Assignee:
BASF CORP (US)
BASF CHINA CO LTD (CN)
BASF CHINA CO LTD (CN)
International Classes:
B01D53/94; B01D50/00; F01N3/022; F01N3/035
Domestic Patent References:
| WO2021096841A1 | 2021-05-20 |
Foreign References:
| US20200191030A1 | 2020-06-18 | |||
| US20180111089A1 | 2018-04-26 | |||
| US20110030346A1 | 2011-02-10 | |||
| US20190168161A1 | 2019-06-06 | |||
| US20180298800A1 | 2018-10-18 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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