Stabilized lubricant base material

US5614483A · kind A · utility

Assignee

• Rhein Chemie Rheinau GmbH · DE

Inventors

• Achim Fessenbecker · Ludwigshafen, DE
• Joachim Korff · Hockenheim, DE
• Hans-Jurgen Kress · Krefeld, DE
• Volker Müller · Philippsburg, DE

Key dates

• Filing date: Sep 27, 1995
• Grant date: Mar 25, 1997
• Expiry date: Sep 27, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Lubricant base materials containing ester groups may be stabilised by adding a small quantity of carbodiimides and the service life of lubricants manufactured therefrom may be decisively extended.