Johnson Matthey Public Limited Company

Laura Mitchell-Downie

Andrew Francis Chiffey

Francois Moreau

Matthew O'Brien

Jack Corps

A NOabsorber catalyst for treating an exhaust gas from a lean burn engine. The NOabsorber catalyst comprises a molecular sieve catalyst comprising a noble metal and a molecular sieve, wherein the molecular sieve contains the noble metal; an oxygen storage material for protecting the molecular sieve catalyst; and a substrate having an inlet end and an outlet end.

Passive NOx adsorber

A NOabsorber catalyst for treating an exhaust gas from a diesel engine. The NOabsorber catalyst comprises a first NOabsorber material comprising a molecular sieve catalyst, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, and wherein the molecular sieve contains the noble metal; a second NOabsorber material comprising palladium (Pd) supported on an oxide of cerium; and a substrate having an inlet end and an outlet end.

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Royston, United Kingdom

Laura Mitchell-Downie