Lubricating grease composition

US8258088B2 · kind B2 · utility

Assignee

• Klüber Lubrication München KG · DE

Inventors

• Günther Bodesheim · Munich, DE
• Martin Schmidt-Amelunxen · Bad Ems, DE
• Dieter Sohn · Germering, DE
• Stefan Grundei · Mering, DE
• Andrea Höpke · Olching, DE

Key dates

• Filing date: May 20, 2008
• Grant date: Sep 4, 2012
• Expiry date: Mar 17, 2029

Classification

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

Abstract

The invention relates to lubricating grease compositions having a base oil mixture based on oils having viscosities (ISO VG 2 to ISO VG 1500) that are standard for industrial lubricants, an ionic liquid, a thickening agent, e.g., based on a polyurea compound and conventional additives that can be used at current service temperatures that are higher than 120° C. to 260° C., in particular at a service temperature in the region of high service temperatures that are higher than 180° C. to 260° C. and also at low temperatures as low as −60° C. The invention also relates to a method for producing said type of lubricating grease compositions.