Multi-purpose catalyst for vehicular catalytics converters

US5124304A · kind A · utility

Assignee

• Procatalyse · FR

Inventors

• Gilbert Blanchard · Belleville, FR
• Jack Caillod · Taverny, FR
• Richard Doziere · Beynes, FR
• Michel Prigent · Rueil-Malmaison, FR

Key dates

• Filing date: Mar 12, 1991
• Grant date: Jun 23, 1992
• Expiry date: Mar 12, 2011

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Multiple purpose catalysts adapted for the treatment of internal combustion engine exhaust gases comprise a particulate refractory oxide support, e.g., alumina particles, having an active catalytic phase deposited thereon, said active catalytic phase including zirconium, cerium and platinum, and optionally iridium, rhodium, palladium and other metal values.