Method for the production of propylene oxide

US6849162B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Joaquim Henrique Teles · Waldsee, DE
• Alwin Rehfinger · Mutterstadt, DE
• Peter Bassler · Viernheim, DE
• Anne Wenzel · Graben-Neudorf, DE
• Norbert Rieber · Mannheim, DE
• Peter Rudolf · Ludwigshafen, DE

Key dates

• Filing date: Jul 5, 2001
• Grant date: Feb 1, 2005
• Expiry date: Jul 5, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S203/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of propylene oxide in the presence of methanol, in which propylene oxide is separated from a mixture propylene oxide and methanol, and the resultant methanol containing mixture is worked up, including seperating methanol from a mixture comprising methanol and methyl formate during the work-up.