Published August 18, 1992
| Version v1
Patent
Three-way conversion catalyst including a ceria-containing zirconia support
Description
This patent describes a catalyst composition comprising a carrier on which is disposed a catalytic material comprising: a zirconia support having thereon from about 0.1 to 15 percent by weight ceria, calculated as CeO2 and based on the combined weight of zirconia and ceria; a catalytically effective amount of a first rhodium catalytic component dispersed on the zirconia support; and a second rhodium catalytic component dispersed on a second activated alumina support
Availability note (English)
Patent and Trademark Office, Box 9, Washington, DC 20232 (United States).Additional details
Publishing Information
- Imprint Pagination
- [10 p.].
- IPC:
- Int. Cl. B01J 21/04.
- IPC
- Int. Cl. B01J 21/04.
- Patent number
- US patent document 5,139,992/A/
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 24021775
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- CATALYST SUPPORTS; CATALYSTS; CATALYTIC EFFECTS; CERIUM ADDITIONS; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; PETROLEUM REFINERIES; RHODIUM; ZIRCONIUM ADDITIONS
- Descriptors DEC
- ELEMENTS; METALS; PLATINUM METALS; RARE EARTH ADDITIONS; SYNTHESIS; TRANSITION ELEMENTS