Selective hydrocracking process using beta zeolite

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

Reexamination Certificate

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C108S117000, C108S117000

Reexamination Certificate

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10749336

ABSTRACT:
Increased yields of middle distillate products are obtained in a hydrocracking process by the use of a catalyst containing a beta zeolite. In embodiments, the beta zeolite has not been hydrothermally treated or has been hydrothermally treated at a relatively low temperature. In another embodiment, the catalyst contains a relatively low amount of beta zeolite.

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Database WPI Section CH, Week 200001 Derwent Publications Ltd., London, GB; Class H06, AN 1999-348058 XP002237545 & JP 11 156198 A (China Petrochemical Corp), Jun. 15, 1999 abstract.

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