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US 2021/0299637 A1Published application
Oxygen storage capacity material
OwnerMasayuki KOBAYASHI, Shuhei NAGAOKAinventors
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Abstract
An improved oxygen storage capacity material comprising a mixed oxide is disclosed. Catalysts, systems and methods using the improved oxygen storage capacity material for abating emissions in an exhaust stream are provided.
Claims20
An oxygen storage capacity material comprising a mixed oxide, the mixed oxide comprising ceria in an amount of about 10 wt % to about 80 wt %;
- zirconia in an amount of about 10 wt % to about 80 wt %;
- and a transition metal oxide in an amount of about 0.05 wt % to about 1.0 wt %, wherein the transition metal is selected from the group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, copper, zinc, zirconium, niobium, and mixtures thereof.
Dependencies are inferred from the claim text.