Patent · US Expired

Support material for three-way catalysts containing platinum group metal and having reduced tendency for H.sub.2 S emission

US5024985A · kind A · utility

11Cited by

7References

17Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Edgar Koberstein · Alzenau, DE
Bernd Engler · Hanau, DE
Rainer Domesle · Alzenau, DE
Peter J. Schubert · Carmel, US

Key dates

Filing date	Jan 29, 1990
Grant date	Jun 18, 1991
Priority date	—
Expiry date	Jan 29, 2010

Classification

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

Abstract

A support material for three-way catalysts containing platinum group metal and having reduced tendency for H.sub.2 S emission formed of an annealed, spray-dried combination of aluminum oxide and cerium oxide.

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