| 发明名称 |
Stable zeolite of low unit cell constant and method of making same |
| 摘要 |
Y-type zeolites with unit cell constants of less than 24.14 ANGSTROM are prepared by improving the method of dealumination and aluminum ion exchange. Zeolites with such low unit cell constants have not been known previously.
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| 申请公布号 |
US5242677(A) |
申请公布日期 |
1993.09.07 |
| 申请号 |
US19920897146 |
申请日期 |
1992.06.11 |
| 申请人 |
PQ CORPORATION |
发明人 |
COOPER, DAVID A.;DENKEWICZ, RAYMOND P.;HERTZENBERG, ELLIOT P. |
| 分类号 |
C01B39/24;B01J29/08;C01B;C01B39/02 |
主分类号 |
C01B39/24 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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