Exhaust gas purifying catalyst and manufacturing method thereof

Details Exhaust gas purifying catalyst and manufacturing method thereof Exhaust gas purifying catalyst and manufacturing method thereof

2008-01-25

2010-12-14

Vanoy, Timothy C (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S333000, C502S334000, C502S302000, C502S303000, C502S304000, C502S325000, C502S339000, C428S117000

Reexamination Certificate

active

07851405

ABSTRACT:
An exhaust gas purifying catalyst that includes noble metal particles, first compounds which support the noble metal particles and suppress movement of the noble metal particles, and second compounds which encapsulate the noble metal particles and the first compounds. The second compounds suppress the movement of the noble metal particles and suppress coagulation of the first compounds following mutual contact of the first compounds.

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