Patent · US Active

Exhaust gas treatment catalyst

US7501098B2 · kind B2 · utility

22Cited by

12References

18Claims

0Family size

Assignee

BASF CATALYSTS LLC · US

Inventors

Shau-Lin F. Chen · Piscataway, US
Zhicheng Hu · Lo Wu, CN

Key dates

Filing date	Feb 26, 2008
Grant date	Mar 10, 2009
Priority date	—
Expiry date	Feb 26, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises a carrier; a first layer deposited on the carrier, said first layer comprising substantially only at least one refractory metal oxide; a second layer deposited on the first layer, said second layer comprising substantially only at least one oxygen storage component and at least one binder therefore; and a third layer deposited on the second layer, said third layer comprising at least one layer of one or more platinum group metal components supported on a refractory metal oxide support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.