Method for producing propylene oxide

Details Method for producing propylene oxide Method for producing propylene oxide

2011-03-29

2011-03-29

Andres, Janet L (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07915434

ABSTRACT:
A method for producing propylene oxide comprising a step of reacting hydrogen peroxide with propylene in the presence of an epoxidation catalyst in a liquid phase to produce propylene oxide and a step of recovering a recyclable constituent in a vent gas generated in the above step by absorbing the recyclable constituent in a solvent containing a nitrile.

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Notification of Office Action issued Jul. 30, 2010, in corresponding Chinese Application 200780015168.8.
European Search Report, dated Nov. 12, 2010, in corresponding Application EP 07742868.8.

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