Johnson Matthey Public Limited Company

Johnson Matthey (Shanghai) Chemicals Limited

Johnson Matthey (Shanghai) Chemicals Co. Ltd.

Zhou Shang

Dongsheng Qiao

Hongyu Ji

Michael Anthony Howard

Shuhei Nagaoka

Dongxia Liu

Wenjie Dong

Xiaorui Zhang

Maria C Vlachou

Xuan Xu

Wataru Kurashige

Guangyong Xiong

A method for the manufacture of a Gasoline Particulate Filter is disclosed. The method comprises forming a washcoat slurry, coating a wall-flow filter substrate with the washcoat slurry to form a washcoated substrate, and calcining the washcoated substrate to form a Gasoline Particulate Filter. The washcoat slurry comprises a platinum group metal component consisting of Pt and Rh, an oxygen storage capacity material, and a carboxylate ion.

Method for producing gasoline particulate filter

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, wherein the first PGM component comprises Rh and Pt; a second catalytic region comprising a second PGM component, wherein the second PGM component comprises Pd; and wherein the first PGM component has a Pt to Rh ratio of at least 1:20.

Tri-metal PGM catalysts for gasoline engine exhaust gas treatments

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 PGM support material, wherein the first catalytic region comprises up to 5 wt. % Sn.

Tin incorporated catalysts for gasoline engine exhaust gas treatments

Growing community of inventors

Shanghai, China

Zhou Shang