Patent · US Active

Catalyst compositions, articles, methods and systems

US9034287B2 · kind B2 · utility

7Cited by

5References

17Claims

0Family size

Assignee

BASF SE

Inventors

Olga Gerlach · Ludwigshafen, DE
Andreas Sundermann · Bensheim, DE
Jeffrey B. Hoke · New Brunswick, US

Key dates

Filing date	Mar 11, 2014
Grant date	May 19, 2015
Priority date	—
Expiry date	Mar 11, 2034

Classification

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

Abstract

Described are catalyst compositions, catalytic articles, exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises a washcoat including a zeolite, refractory metal oxide support particles, and a platinum group metal supported on the refractory metal oxide support particles. Greater than 90% of the refractory metal oxide particles supporting PGM have a particle size greater than 1 μm and a d50 less than 40 microns.

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