Process for producing a catalyst for purifying exhaust gases from internal combustion engines
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United States of America Patent
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Oct 23, 1990
Issued Date -
N/A
app pub date -
Feb 9, 1990
filing date -
Aug 28, 1987
priority date (Note) -
Expired
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Abstract
A three-way catalyst for the purification of automotive exhaust is made by depositing on a monolithic support a slurry containing a platinum group element, active alumina, cerium oxide a barium compound and a zirconium compound and calcining the support.
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