Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines

US4997912A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Herbert Wirtz · Eppstein, DE
• Hermann Hoffmann · Echterdingen, DE
• Werner Ritschel · Hofheim, DE
• Manfred Hofinger · Altötting, DE
• Michael Mitzlaff
• Dietrich Wolter · Liederbach, DE

Key dates

• Filing date: Dec 15, 1988
• Grant date: Mar 5, 1991
• Expiry date: Dec 15, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K8/54
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Fatty acid esters of oxalkylated alkylalkylenediamines, which may be quaternized: PA1 Esters of oxalkylated alkylalkylenediamines, which may be quaternized, of the formula ##STR1## where the individual symbols have the meaning given in the description, process for their production and their use as corrosion inhibitors, particularly in crude oil recovery plants and crude oil treatment plants.