Exhaust gas purifying catalyst and method of producing same

Details Exhaust gas purifying catalyst and method of producing same Exhaust gas purifying catalyst and method of producing same

2007-04-24

2007-04-24

Nguyen, Cam N. (Department: 1754)

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S327000, C502S333000, C502S339000, C502S415000, C502S439000, C502S355000

Reexamination Certificate

active

11090248

ABSTRACT:
An exhaust gas purifying catalyst for purifying exhaust gas discharged from an internal combustion engine of an automotive vehicle. The exhaust gas purifying catalyst comprises a substrate on which a catalytic coat layer containing a catalyst component is formed. The catalytic coat layer is formed by coating a slurry containing the catalyst component on a surface of the substrate. A crack-preventing coat layer is formed on an upper-most surface of the catalytic coat layer. The crack-preventing coat layer has a thickness of not larger than 50 μm.

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