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US 5,183,790 AGranted
Use of ZSM-57 in catalytic cracking for gasoline octane improvement and co-production of light olefins
AssigneeMobil Oil Corporation
InventorsGirish K. Chitnis, Joseph A. Herbst, Ernest W. Valyocsik
Life of this patent
Estimating the term…
Abstract
The catalytic cracking of a hydrocarbon oil to provide a product of increased octane number and increased light olefin content is carried out employing a cracking catalyst composition containing both a large port crystalline zeolite component and a ZSM-57 zeolite component.
Claims16
A cracking catalyst composition comprising, as a first component, a large pore crystalline molecular sieve and, as a second component, ZSM-57.
Dependencies are inferred from the claim text.