Purification of propylene oxide

Details Purification of propylene oxide Purification of propylene oxide

2010-04-01

2011-12-20

Oh, Taylor Victor (Department: 1622)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S541000, C549S529000

Reexamination Certificate

active

08080678

ABSTRACT:
The invention is a method of purifying propylene oxide containing 25-100 ppm aldehyde impurities. The method comprises contacting the propylene oxide in the liquid phase with an amine-functionalized ion exchange resin, and recovering a purified propylene oxide product containing 10 ppm, or less, aldehydes.

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