Lubricating grease with high water resistance

US7429555B2 · kind B2 · utility

Assignee

• RohMax Additives GmbH · DE

Inventors

• Markus Scherer · Lebach, DE
• Matthias Fischer · Scheinfeld, DE
• Michael Mueller · Bensheim, DE
• Bernard Kinker · Kintnersville, US
• Alexandra Pauker · Reichelsheim, DE

Key dates

• Filing date: Apr 30, 2004
• Grant date: Sep 30, 2008
• Expiry date: Jun 2, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2050/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to lubricating greases comprising at least one thickening agent and at least one lubricating oil, wherein the lubricating grease contains at least one polymeric structure improver that can be obtained by polymerization of monomer compositions, which are composed of in which R represents hydrogen or methyl, R1 denotes a straight-chain or branched alkyl moiety having 1 to 5 carbon atoms, in which R represents hydrogen or methyl, R2 denotes a straight-chain or branched alkyl moiety having 6 to 30 carbon atoms,