Passivation of metals on cracking catalysts with an antimony tris (hydrocarbyl sulfide)
US4190552A · kind A · utility
13Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1978 |
| Grant date | Feb 26, 1980 |
| Priority date | — |
| Expiry date | Jul 25, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/521
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A hydrocarbon cracking catalyst is treated with an antimony tris (hydrocarbyl sulfide) to passivate thereon contaminating metals, e.g., vanadium, iron, and/or nickel. Used or unused catalyst can be treated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.