Process for the continuous preparation of hydroxyalkylamides

US6194613A · kind A · utility

Assignee

• Creanova Spezialchemie GmbH · DE

Inventors

• Thomas Weihrauch · Schneverdingen, DE
• Klaus Behrendt · Herne, DE
• Silvia Herda · Herne, DE
• Rainer Elm · Marl, DE

Key dates

• Filing date: May 17, 1999
• Grant date: Feb 27, 2001
• Expiry date: May 17, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C231/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for the continuous preparation of hydroxyalkylamides Process for the continuous preparation of hydroxyalkylamides from carboxylic esters and alkanolamines, wherein the reaction of the starting materials is carried out in an extruder or intensive mixer by intensive mixing and brief reaction with supply of heat and simultaneous removal of the alcohol formed and the final product is then isolated.