Phosphorus-containing catalyst and catalytic cracking process utilizing the same
US4498975A · kind A · utility
11Cited by
7References
13Claims
0Family size
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Key dates
| Filing date | Jan 9, 1984 |
| Grant date | Feb 12, 1985 |
| Priority date | — |
| Expiry date | Jan 9, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G11/05
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphorus-containing low alkali metal content zeolitic catalyst made from a clay starting material is provided. The catalyst is obtained by contacting a partially cation exchanged calcined zeolite-containing catalyst with a dihydrogen phosphate anion or a dihydrogen phosphite anion. A hydrocarbon catalytic cracking process utilizing the phosphorus-containing catalyst is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.