The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2012
Filed:
May. 20, 2008
Günther Bodesheim, München, DE;
Martin Schmidt-amelunxen, Röhrmoos/Arzbach, DE;
Dieter Sohn, Greifenberg/Ammersee, DE;
Stefan Grundei, Mering, DE;
Andrea Höpke, Mainhansen, DE;
Günther Bodesheim, München, DE;
Martin Schmidt-Amelunxen, Röhrmoos/Arzbach, DE;
Dieter Sohn, Greifenberg/Ammersee, DE;
Stefan Grundei, Mering, DE;
Andrea Höpke, Mainhansen, DE;
Klüber Lubrication München KG, München, DE;
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.