PALLADIUM-CONTAINING THREE-WAY AUTOMOTIVE CATALYSTS HAVING UNIQUE SUPPORT

• Main Authors: WILLIAMSON, WILLIAM, BURTON, SILVER, RONALD, GRAHAM, SUMMERS, JACK, CURTIS, II
• Format: Patent
• Language: English; French; German
• Published: 13.05.1998
• Edition: 6
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR RELEVANT APPARATUS; TRANSPORTING

A palladium three-way catalyst is supported on a unique ceria-lanthana-alumina support where the alumina content is lower than previously believed necessary to maintain catalyst activity. Preferably the ceria and lanthana constitute the major proportion of the support.