Vanadium passivation in a hydrocarbon catalytic cracking process
US4451355A · kind A · utility
27Cited by
8References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 28, 1983 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Sep 28, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/525
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive as a vanadium passivating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.