Praseodymium-zirconium-oxides for catalyst and washcoat

摘要

This invention is single-phase mixed oxides comprising at least 90% by weight praseodymium-zirconium-oxide and made by reacting alkoxides of zirconium and praseodymium by solgel techniques. The oxide may be used as a catalyst or a catalyst support, as for treating exhaust gases generated by an internal combustion engine of automotive vehicles.