Patent Number: 7,632,776

Title: Exhaust gas purifying catalyst and production process thereof

Abstract: The present invention provides an exhaust gas purifying catalyst and a production process thereof. An exhaust gas purifying catalyst of the present invention comprises a metal oxide particle (1, 2) and rhodium (3) supported thereon, the metal oxide particle (1, 2) comprising a core part (1) relatively rich in ceria and a surface layer (2) relatively rich in zirconia.

Inventors: Miura; Masahide (Imasato, JP)

Assignee: Toyota Jidosha Kabushiki Kaisha

International Classification: B01J 23/10 (20060101)

Expiration Date: 2/15/02018