Propylene oxide recovery by azeotropic distillation of methyl formate-2-methylpentane

US4014753A · kind A · utility

Assignee

• Badische Anilin- & Soda-Fabrik Aktiengesellschaft

Inventors

• Werner Fuchs · Herrsching am Ammersee, DE
• Rolf Platz
• Norbert Rieber · Mannheim, DE
• Andreas Scholz · Berlin, DE

Key dates

• Filing date: May 21, 1973
• Grant date: Mar 29, 1977
• Expiry date: May 21, 1993

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D301/32
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Recovery of pure propylene oxide from propylene oxide which is contaminated by C.sub.6 hydrocarbons and methyl formate, by distillation with the addition of more methyl formate so that the amount of methyl formate is four times that of the 2-methylpentane present.