Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate
2005-02-22
2005-02-22
Ildebrando, Christina (Department: 1725)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
C208S118000, C208S134000, C208S135000, C585S481000, C585S470000, C585S475000, C585S446000, C585S467000, C585S407000, C585S418000
Reexamination Certificate
active
06858129
ABSTRACT:
There is provided a zeolite bound zeolite catalyst which does not contain significant amount of non-zeolitic binder and can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises core crystals containing first crystals of a first zeolite and optionally second crystals of a second zeolite having a composition, structure type, or both that is different from said first zeolite and binder crystals containing third crystals of a third zeolite and optionally fourth crystals of a fourth zeolite having a composition, structure type, or both that is different from said third zeolite. If the core crystals do not contain the second crystals of the second zeolite, then the binder crystals must contain the fourth crystals of the fourth zeolite. The zeolite bound zeolite finds application in hydrocarbon conversion processes, e.g., catalytic cracking, alkylation, disproportional of toluene, isomerization, and transalkylation reactions.
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Anthonis Marc H.
Clem Kenneth Ray
Feng Xiaobing
Mertens Machteld Maria
Mohr Gary David
ExxonMobil Chemical Patents Inc.
Ildebrando Christina
Sherer Edward F.
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