公开(公告)号：US20190211723A1

公开(公告)日：2019-07-11

申请号：US16353081

申请日：2019-03-14

Applicant: Johnson Matthey Public Limited Company

Inventor： Satoshi SUMIYA ,  Daisuke YOKOTA

IPC: F01N3/035 ,  F01N3/022 ,  B01J35/00 ,  F01N3/021 ,  B01J37/02 ,  B01D53/94 ,  B01D46/24 ,  B01J35/04 ,  B01J21/04 ,  B01J23/44

CPC classification number: F01N3/035 ,  B01D46/2418 ,  B01D53/944 ,  B01D53/9454 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/1026 ,  B01D2255/104 ,  B01D2255/202 ,  B01D2255/2022 ,  B01D2255/2027 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2045 ,  B01D2255/2047 ,  B01D2255/206 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/20738 ,  B01D2255/20792 ,  B01D2255/2092 ,  B01D2255/908 ,  B01D2255/9155 ,  B01D2255/9202 ,  B01D2255/9205 ,  B01J21/04 ,  B01J23/44 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0018 ,  B01J37/0219 ,  B01J37/0248 ,  F01N3/021 ,  F01N3/0222 ,  F01N2330/06 ,  F01N2510/0682 ,  Y02T10/22

Abstract: [Summary][Problem]The problem addressed by the present invention lies in providing an exhaust gas purification filter which can efficiently treat particulate matter in exhaust gas.[Solution]The present invention provides an exhaust gas purification filter including a substrate comprising a plurality of porous partitions, wherein the partitions form an exhaust gas flow path, a porous catalytic layer is provided on the partitions and the catalytic layer having a thickness of 10 μm or greater is provided over at least 20% of the total length of the partitions in the lengthwise direction thereof, and the catalytic layer having a thickness of 10 μm or greater is not present on the partitions 15 mm from an outflow side.

公开(公告)号：US20170284247A1

公开(公告)日：2017-10-05

申请号：US15473007

申请日：2017-03-29

Applicant: Johnson Matthey Public Limited Company

Inventor： Satoshi KADOYA ,  Daisuke YOKOTA

IPC: F01N3/035 ,  B01D53/94 ,  F01N3/022 ,  B01J23/44 ,  B01J35/04 ,  B01D46/24 ,  B01J21/04

CPC classification number: F01N3/035 ,  B01D46/2418 ,  B01D53/944 ,  B01D53/9454 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/1026 ,  B01D2255/104 ,  B01D2255/202 ,  B01D2255/2022 ,  B01D2255/2027 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2045 ,  B01D2255/2047 ,  B01D2255/206 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/20738 ,  B01D2255/20792 ,  B01D2255/2092 ,  B01D2255/908 ,  B01D2255/9155 ,  B01D2255/9202 ,  B01D2255/9205 ,  B01J21/04 ,  B01J23/44 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0219 ,  F01N3/021 ,  F01N3/0222 ,  F01N2330/06 ,  F01N2510/0682 ,  Y02T10/22

Abstract: [Summary][Problem]The problem addressed by the present invention lies in providing an exhaust gas purification filter which can efficiently treat particulate matter in exhaust gas.[Solution]The present invention provides an exhaust gas purification filter including a substrate comprising a plurality of porous partitions, wherein the partitions form an exhaust gas flow path, a porous catalytic layer is provided on the partitions and the catalytic layer having a thickness of 10 μm or greater is provided over at least 20% of the total length of the partitions in the lengthwise direction thereof, and the catalytic layer having a thickness of 10 μm or greater is not present on the partitions 15 mm from an outflow side.

公开(公告)号：US20200030775A1

公开(公告)日：2020-01-30

申请号：US16523057

申请日：2019-07-26

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Kyoji KITAMOTO ,  Shuhei NAGAOKA ,  Daisuke YOKOTA

IPC: B01J23/44 ,  F01N3/10 ,  F01N3/28 ,  B01J23/46 ,  B01J35/02

Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first platinum group metal (PGM) component, wherein the first PGM component comprises PGM nanoparticles, wherein the PGM nanoparticles have an average particle size of about 1 to about 20 nm with a standard deviation (SD) no more than 1 nm.

公开(公告)号：US20180229228A1

公开(公告)日：2018-08-16

申请号：US15509752

申请日：2015-03-24

Applicant: Johnson Matthey Public Limited Company

Inventor： Kaneshalingham ARULRAJ ,  Jenita BHANTOO ,  Jamie SAVAGE ,  Andrew SMITH ,  Lifeng WANG ,  Daisuke YOKOTA

IPC: B01J37/02 ,  B01J35/04 ,  B05D7/22 ,  B01D46/24 ,  B05D3/04 ,  F01N3/035 ,  F01N3/20

Abstract: A method of coating a filter substrate comprising a plurality of channels and an apparatus therefor. The method comprises the steps of: (a) introducing a pre-determined amount of a liquid into a containment means at an upper end of the filter substrate; and (b) coating the channels having open ends at the upper end of the filter substrate with the liquid from the containment means.

公开(公告)号：US20240238726A1

公开(公告)日：2024-07-18

申请号：US18413130

申请日：2024-01-16

Applicant: Johnson Matthey Public Limited Company

Inventor： Daijiro HAYASHI ,  Michael HOWARD ,  Jing LU ,  Daisuke YOKOTA ,  Qinghe ZHENG

IPC: B01D53/94 ,  B01J23/46 ,  B01J37/02

CPC classification number: B01D53/945 ,  B01J23/464 ,  B01J37/0219 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/705 ,  B01D2255/9155 ,  B01D2258/012

Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a compound of formula (I):




and a PGM, R1 is H or C1-C6 alkyl, R2 is H, OH, or O—C1-C4 alkyl, the PGM comprising palladium; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.

公开(公告)号：US20210008534A1

公开(公告)日：2021-01-14

申请号：US16948663

申请日：2020-09-28

Applicant: Johnson Matthey Public Limited Company

Inventor： Kaneshalingham ARULRAJ ,  Jenita BHANTOO ,  Jamie SAVAGE ,  Andrew SMITH ,  Lifeng WANG ,  Daisuke YOKOTA

IPC: B01J37/02 ,  B05D7/22 ,  B01D46/24 ,  B05D3/04 ,  B01J35/04 ,  F01N3/035 ,  F01N3/20

Abstract: An apparatus of coating a filter substrate comprising a plurality of channels and an apparatus is disclosed. The apparatus comprises: (i) a containment means for receiving a pre-determined amount of the liquid; and (ii) a liquid dosing head arranged to dispense the pre-determined amount of the liquid into the containment means over an upper end of the filter substrate. The containment means is locatable at an upper end of the filter substrate; and the liquid dosing head comprises a plurality of apertures for dispensing the liquid onto the upper end of the filter substrate.