Process for preparing alkylene oxide

Details Process for preparing alkylene oxide Process for preparing alkylene oxide

2007-11-13

2007-11-13

Dentz, Bernard (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

10393585

ABSTRACT:
Process for the preparation of alkylene oxide which process comprises contacting organic hydroperoxide and alkene with a heterogeneous epoxidation catalyst and withdrawing a product stream comprising alkylene oxide and an alcohol as reaction products, in which process fresh catalyst is contacted with feed having a higher molar ratio of alkene to organic hydroperoxide than the molar ratio of normal operation.

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