Johnson Matthey Public Limited Company

Kerry Simmance

Andrea Eva Pascui

Jing Lu

Michael Anthony Howard

Shuhei Nagaoka

John Kilmartin

Qinghe Zheng

Emily Price

Janet Fisher

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 AA'BB′O; 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.

Surface-modified ceria-zirconia mixed oxide compound for gasoline exhaust

Compositions, articles, and methods related to a three-way-catalyst composition comprising a perovskite-type compound of formula (I): LaBB'Oor formula (II):[BO]:[LaBO]and a non-redox active component; wherein B or B&#x2032; is Fe, Mn, Co, Ni, Cu, Ti, or Zr; q is in a range from about 0 to about 0.5; x is from about 1 to about 2.5; y is from about 1 to about 30 wt %; z is about 0.6 to about 1.1; &#x3b4; is in a range from about 0 to about 0.6.

Active perovskite-type catalysts stable to high temperature aging for gasoline exhaust gas applications

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

Exhaust gas treatment system and the use thereof for the treatment of an exhaust gas

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Reading, United Kingdom

Kerry Simmance