Patent · US Active

Diesel oxidation catalyst

US10328388B2 · kind B2 · utility

13Cited by

8References

28Claims

0Family size

Assignee

BASF SE

Inventors

Karifala Dumbuya · Hannover, DE
Claudia Zabel · Hannover, DE
Susanne Stiebels · Adenbüttel, DE
Shiang Sung · New York, US

Key dates

Filing date	Jul 29, 2016
Grant date	Jun 25, 2019
Priority date	—
Expiry date	Jul 29, 2036

Classification

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

Abstract

An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emis-sions from a diesel engine are described. More particularly, described is an oxidation catalyst composite including a first oxidation material comprising a first refractory metal oxide support, a rare earth oxide, and palladium (Pd); a second oxidation material comprising a second refractory metal oxide, and platinum (Pt) and palladium (Pd); and a protective overlayer comprising a third refractory metal oxide, platinum (Pt) and, optionally, palladium (Pd), and a molecular sieve promoted with a metal selected from one or more of Cu, Fe, Co, Ni, Mn, V, and, Ag. The oxid-ation catalyst composite is sulfur tolerant.

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