Exhaust gas purifying catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

Reexamination Certificate

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Details

C502S326000, C502S332000, C502S333000, C502S334000, C502S339000, C502S349000, C502S355000, C502S439000, C502S415000, C502S302000, C502S304000, C502S527130

Reexamination Certificate

active

10933808

ABSTRACT:
An exhaust gas purifying catalyst includes a carrier and a catalyst layer provided on the carrier. The catalyst layer includes active Al2O3on which a noble metal is carried, an oxygen storage agent on which Rh is carried, Al2O3coated with ZrO2on which Rh is carried, and a binder material.

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