Basf Se Corporation

Karolin Monz

Markus Scherer

Rene Koschabek

Frank Rittig

Philippe Rabbat

Qinggao Ma

Henrik Heinemann

Nawid Kashani

Ivette Garcia Castro

Wolfgang Grabarse

Jan Strittmatter

A gear oil composition that has a kinematic viscosity at 40° C. in the range of ≥68 to ≤1000 csdt when measured in accordance with ASTM D445 can be made. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.

Gear oil composition

The presently claimed invention relates to a gear oil composition having a kinematic viscosity at 40° C. in the range of ≥68 to ≤1000 cSt when measured in accordance with ASTM D445. The gear oil composition is useful as a lubricant in a gear box, especially in a wind turbine gear box.

Lubricants with a terpolymer made of diester, olefin and acrylate The invention relates to a lubricant comprising a terpolymer which comprises in polymerized forma diester selected from di(C-Calkyl)ester of maleic acid, fumaric acid, 2-methylmaleic acid, 2,3-dimethylmaleic acid, 2-methylfumaric acid, 2,3-dimethylfumaric acid, or mixtures thereof, an olefin selected from C-Calky-1-ene, and an acrylate selected from C-Calkyl (meth)acrylate. The invention further relates to the terpolymer, a process for preparing the terpolymer comprising the step of polymerizing the diester, the olefin, and the acrylate; and to a method for reducing friction between moving surfaces comprising the step of contacting the surfaces with the lubricant or with the terpolymer.

Lubricants with a terpolymer made of diester, olefin and acrylate

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Ludwigshafen, Germany

Karolin Monz