公开(公告)号：US20240238770A1

公开(公告)日：2024-07-18

申请号：US18413142

申请日：2024-01-16

Applicant: Johnson Matthey Public Limited Company

Inventor： Nicole GARCIA ,  Michael HOWARD ,  Jing LU ,  Qinghe ZHENG

IPC: B01J31/02 ,  B01D53/94 ,  B01J23/46 ,  B01J35/45 ,  B01J35/57 ,  B01J37/02 ,  B01J37/08

CPC classification number: B01J31/0209 ,  B01D53/945 ,  B01D53/9454 ,  B01J23/464 ,  B01J35/45 ,  B01J35/57 ,  B01J37/0219 ,  B01J37/088 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/70 ,  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 rhodium and/or platinum; 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：US20230241585A1

公开(公告)日：2023-08-03

申请号：US18158700

申请日：2023-01-24

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD ,  Andrea Eva PASCUI ,  Kerry SIMMANCE ,  Janet FISHER

IPC: B01J23/10 ,  B01J23/34 ,  B01J23/83 ,  B01J23/00 ,  B01J23/44 ,  B01J23/46 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08 ,  B01J35/04 ,  B01D53/94

CPC classification number: B01J23/10 ,  B01J23/34 ,  B01J23/83 ,  B01J23/002 ,  B01J23/44 ,  B01J23/464 ,  B01J37/04 ,  B01J37/0221 ,  B01J37/0213 ,  B01J37/088 ,  B01J37/0236 ,  B01J37/0248 ,  B01J35/04 ,  B01D53/945 ,  B01D2255/407 ,  B01D2255/402 ,  B01D2255/1023 ,  B01D2255/1021 ,  B01D2255/1025 ,  B01D2255/9155 ,  B01D2255/908 ,  F01N3/101

Abstract: Provided is a composition comprising a ceria-zirconia mixed oxide, the ceria-zirconia mixed oxide being surface-modified with a perovskite type compound of formula (I); wherein formula (I) is defined by Ax-yA′yB1-zB′zO3; where: A is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; A′ is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; B is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; B′ is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; x is from 0.7 to 1; y is from 0 to 0.5; and z is from 0 to 0.5.

公开(公告)号：US20220401926A1

公开(公告)日：2022-12-22

申请号：US17805918

申请日：2022-06-08

Applicant: Johnson Matthey Public Limited Company

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD

IPC: B01J23/44 ,  B01J23/46 ,  B01J21/04 ,  B01J23/10 ,  B01J35/00 ,  B01J35/04 ,  B01J37/02 ,  B01J37/08 ,  B01D53/94

Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the polyphenol comprising an ester functional group, 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：US20230129600A1

公开(公告)日：2023-04-27

申请号：US18049371

申请日：2022-10-25

Applicant: Johnson Matthey Public Limited Company

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD

IPC: B01J37/08 ,  B01J21/06 ,  B01J21/04 ,  B01J35/04 ,  B01J31/12 ,  B01D53/94

Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a maleic acid-containing polymer and a PGM; 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：US20220297095A1

公开(公告)日：2022-09-22

申请号：US17653937

申请日：2022-03-08

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD

IPC: B01J23/46 ,  B01J21/04 ,  B01J37/03 ,  B01J37/00 ,  B01J37/08 ,  B01J37/04 ,  B01J23/10 ,  B01J35/00 ,  B01J23/42 ,  B01J23/44 ,  B01J35/04 ,  B01D53/94 ,  F01N3/10 ,  F01N3/28 ,  F01N13/18

Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyamine and a PGM; 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：US20250099943A1

公开(公告)日：2025-03-27

申请号：US18890861

申请日：2024-09-20

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Qinghe ZHENG ,  Jing Lu ,  Michael HOWARD ,  Wataru KURASHIGE ,  Shuhei NAGAOKA

IPC: B01J23/656 ,  B01D53/94

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 comprising an inlet end and an outlet end with an axial length L, a first catalytic region comprising a first platinum group metal (PGM) component and a first metal component, wherein the first PGM component comprises platinum, palladium, or a combination thereof; wherein the first metal component is Mn, Mg, Fe, Cu, Zn, or a combination thereof; and wherein the molar ratio between the first metal component and the first PGM component in the first catalytic region is from 120:1 to 1:5.

公开(公告)号：US20240149249A1

公开(公告)日：2024-05-09

申请号：US18542894

申请日：2023-12-18

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD

IPC: B01J23/42 ,  B01J21/04 ,  B01J23/10 ,  B01J23/46 ,  F01N3/10

CPC classification number: B01J23/42 ,  B01J21/04 ,  B01J23/10 ,  B01J23/464 ,  F01N3/101 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2570/14

Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the PGM comprising rhodium and/or platinum, the polyphenol comprising an ester functional group; 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：US20230241587A1

公开(公告)日：2023-08-03

申请号：US18154198

申请日：2023-01-13

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Qinghe ZHENG ,  Jing LU ,  Michael HOWARD

IPC: B01J23/46 ,  B01J21/04 ,  B01J23/00 ,  B01J23/34 ,  B01J23/83 ,  B01J23/44 ,  B01J23/10 ,  B01J37/02 ,  B01J37/08 ,  B01J35/04 ,  F01N3/28 ,  F01N3/10 ,  B01D53/94

CPC classification number: B01J23/464 ,  B01D53/945 ,  B01J21/04 ,  B01J23/002 ,  B01J23/10 ,  B01J23/34 ,  B01J23/44 ,  B01J23/83 ,  B01J35/04 ,  B01J37/086 ,  B01J37/0203 ,  B01J37/0205 ,  B01J37/0213 ,  B01J37/0236 ,  B01J37/0248 ,  F01N3/101 ,  F01N3/2828 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/9155 ,  F01N2370/04

Abstract: Provided is a composition comprising alumina, the alumina being surface-modified with a perovskite type compound of formula (I); wherein formula (I) is defined by Ax-yA′yB1. zB′zO3; where: A is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; A′ is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; B is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; B′ is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; x is from 0.7 to 1; y is from 0 to 0.5; and z is from 0 to 0.5.

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：US20230271167A1

公开(公告)日：2023-08-31

申请号：US18172526

申请日：2023-02-22

Applicant: Johnson Matthey Public Limited Company

Inventor： Wolfgang STREHLAU ,  Dongxia LIU ,  Andrew ARMITAGE ,  Amy KOLPIN ,  Michael HOWARD

IPC: B01J23/63 ,  B01J21/06 ,  B01D53/94

CPC classification number: B01J23/63 ,  B01J21/066 ,  B01D53/945 ,  B01D2257/40 ,  B01D2257/702 ,  B01D2257/502 ,  B01D2258/014 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/20715

Abstract: The present invention provides a catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising support material particles; at least some of the support material particles are rhodium-supporting support material particles having rhodium supported thereon at a concentration of from 0.001 to 3.5 wt. %, based on the weight of the rhodium-supporting support material particle; and the rhodium is present at a loading of up to 20 g/ft3 relative to the first catalytic region.