Process for the preparation of polyurea-thickened lignin derivative-based lubricating greases, such lubricant greases and use thereof

US10604721B2 · kind B2 · utility

Assignee

• Fuchs Petrolub SE · DE

Inventors

• Thomas Litters · Hettenleidelheim, DE
• Florian Hahn · Karlsruhe, DE
• Torsten Goerz · Hochspeyer, DE
• Hans Jürgen Erkel · Bruchmühlbach-Miesau, DE

Key dates

• Filing date: Mar 9, 2016
• Grant date: Mar 31, 2020
• Expiry date: Mar 9, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2070/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a method for preparing lignin derivative-based lubricating greases thickened by a polyurea thickener, lubricating greases thus prepared, and the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed roller bearings.