Back to results
US 2003/0229236 A1Published application
Process
AssigneeShell Oil Company
InventorsMinne Boelens, Timothy Nisbet Nisbet
Life of this patent
Estimating the term…
Abstract
Process for the preparation of propylene oxide, which process comprises: (1) reacting alkyl aryl hydroperoxide with propene to yield propylene oxide and aryl alcohol, and (2) contacting at elevated temperature feed comprising aryl alcohol obtained in step (1) with a heterogeneous catalyst, in which process the feed of step (2) comprises at most 0.30 % wt of compounds having a molecular weight of at least 195.
Claims12
A process for the preparation of propylene oxide, which process comprises:
- (1) reacting alkyl aryl hydroperoxide with propene to yield propylene oxide and aryl alcohol, and
- (2) contacting at elevated temperature feed comprising aryl alcohol obtained in step (1) with a heterogeneous catalyst,
- in which process the feed of step (2) comprises at most 0.30 % wt of compounds having a molecular weight of at least 195.
Dependencies are inferred from the claim text.