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：US20200309007A1

公开(公告)日：2020-10-01

申请号：US16832085

申请日：2020-03-27

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： John KILMARTIN ,  Andrea Eva PASCUI ,  Kerry SIMMANCE

IPC: F01N3/20 ,  F01N3/28

Abstract: An exhaust gas treatment system (1) comprises a catalyst article (5) for the treatment of an exhaust gas, the catalyst article (5) comprising a non-metallic substrate (20) comprising a plurality of catalytically-active transition-metal-doped iron oxide magnetic particles (45), and an inductive heater (70) for inductively heating the plurality of catalytically-active magnetic particles by applying an alternating magnetic field.