Zeolite ZSM-48 catalyst and method for improving paraffinic...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

Reexamination Certificate

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C208S108000, C208S111010, C208S111350, C502S064000, C502S066000, C502S074000

Reexamination Certificate

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06984309

ABSTRACT:
The invention pertains to a catalyst that consists of a substrate made of at least one matrix and at least one zeolite that is selected from the group composed of the zeolites ZSM-48, EU-11, and ZBM-30, whereby, at the level of the zeolite, at least one noble metal of Group VIII is deposited on said substrate. The noble metal is preferably located on the outer surfaces of the zeolite crystals, and more preferable at the mouths of pores. The invention also pertains to a process for preparing the catalyst and utilizing the catalyst to treat hydrocarbon feedstocks, and especially for improving their pour points.

REFERENCES:
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patent: 5122489 (1992-06-01), Dessau
patent: 2004/0065585 (2004-04-01), Benazzi et al.
patent: 2004/0134834 (2004-07-01), Benazzi et al.
patent: 0 306 237 (1989-03-01), None
patent: 11 047593 (1999-02-01), None
patent: WO 99 41333 (1999-08-01), None
Japanese Patent Abstract No. JP 11 047593 dated Feb. 23, 1999.
Meriaudeau, P. et al., Comparative evaluation of the catalytic properties of SAPO-31 . . . ,Journal of Catalysis, vol. 185, No. 2, Jul. 25, 1999, pp. 435-444.

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