Patent · US Active

Treatment system for gasoline engine exhaust gas

US8758695B2 · kind B2 · utility

18Cited by

6References

22Claims

0Family size

Assignee

BASF SE

Inventors

Torsten Neubauer · Langenhagen, DE
Marcus Hilgendorff · Hannover, DE
Stephan Siemund · Pattensen, DE
Alfred Punke · Walle, DE
Gerd Grubert · Hannover, DE

Key dates

Filing date	Jun 30, 2010
Grant date	Jun 24, 2014
Priority date	—
Expiry date	Dec 25, 2031

Classification

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

Abstract

The present invention relates to a treatment system for a gasoline engine exhaust gas stream comprising a particulate filter, said particulate filter comprising: a particulate filter substrate, an inlet layer disposed on the exhaust gas inlet surface of the filter substrate, and an outlet layer disposed on the exhaust gas outlet surface of the filter substrate, wherein the inlet layer comprises Rh and/or Pd, and the outlet layer comprises Rh and/or a zeolite.

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