Patent · US Expired

Process and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel engines

US4515758A · kind A · utility

81Cited by

3References

7Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Rainer Domesle · Alzenau, DE
Edgar Koberstein · Alzenau, DE
Hans-Dieter Pletka · Alzenau, DE
Herbert Voelker · Hanau, DE

Key dates

Filing date	Aug 8, 1983
Grant date	May 7, 1985
Priority date	—
Expiry date	Aug 8, 2003

Classification

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

Abstract

A catalyst process is disclosed for the reduction of the ignition temperature of Diesel soot filtered out of the exhaust gas of Diesel engines by passing the exhaust gas over a catalytically active substance, which is selected from lithium oxide, copper chloride, vanadium oxide/alkali metal oxide combinations, a vanadate of an alkali metal or of cerium, or a silver or alkali metal perrhenate, preferably of sodium or silver, or mixtures of these substances.

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