Vanadium passivation in a hydrocarbon catalytic cracking process
US4750988A · kind A · utility
9Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1987 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | May 19, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/705
- 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.