Process

Details Process Process

2005-01-18

2005-01-18

Solola, Taofiq (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06844454

ABSTRACT:
The invention relates to a process for the preparation of propylene oxide and an alkenyl aryl, which process involves:(1) reacting an alkyl aryl hydroperoxide with propene to yield propylene oxide and an aryl alcohol; and,(2) contacting, at elevated temperature, feed containing the aryl alcohol obtained in step (1) with a heterogeneous dehydration catalyst to yield an alkenyl aryl,in which process the feed of step (2) has at most 0.30% wt of compounds having a molecular weight of at least 195.

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patent: WO 9958480 (1999-11-01), None
patent: WO 0248126 (2002-06-01), None

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