| 发明名称 |
Preparation of three-way catalysts with highly dispersed ceria |
| 摘要 |
Improved three-way catalysts for use in converting the exhaust gases from internal combustion engines include ceria supported by an alumina or other metal oxide and the ceria in the freshly prepared catalysts is in the form of crystallites having a size less than 50 ANGSTROM as measured by X-ray diffraction.
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| 申请公布号 |
US5064803(A) |
申请公布日期 |
1991.11.12 |
| 申请号 |
US19900576306 |
申请日期 |
1990.08.31 |
| 申请人 |
ALLIED-SIGNAL INC. |
发明人 |
NUNAN, JOHN G. |
| 分类号 |
B01D53/86;B01D53/94;B01J23/10;B01J23/56;B01J23/58;B01J23/63 |
主分类号 |
B01D53/86 |
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