Method for the separation of pentenenitrile isomers

US8278474B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Tim Jungkamp · Sandhausen, DE
• Robert Baumann · Mannheim, DE
• Michael Bartsch · Neustadt, DE
• Gerd Haderlein · Bad Kötzting, DE
• Hermann Luyken · Ludwigshafen, DE
• Jens Scheidel · Hirschberg, DE

Key dates

• Filing date: Mar 14, 2011
• Grant date: Oct 2, 2012
• Expiry date: Mar 14, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C253/34
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process is described for separating mixtures of isomeric pentenenitriles, in which at least one isomer is removed from the mixture, wherein the separation of the substance mixtures of isomeric pentenenitriles is effected distillatively under reduced pressure.