Patent · US Active

Transmission lubricant

US9617495B2 · kind B2 · utility

6Cited by

13References

26Claims

0Family size

Assignee

Evonik Oil Additives GmbH · DE

Inventors

Reza Ghahary · Darmstadt, DE
Juergen Gebhardt · Schaafheim, DE
Thilo Krapfl · Singapore, SG
Michael Mueller · Bensheim, DE
Thomas Schimmel · Karlsruhe, DE
Roland Schweder · Darmstadt, DE
Torsten Stoehr · Frankfurt, DE
Christoph Wincierz · Darmstadt, DE

Key dates

Filing date	Feb 24, 2011
Grant date	Apr 11, 2017
Priority date	—
Expiry date	Nov 12, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a transmission lubricant comprising at least 30% by weight of polyalkyl (meth)acrylate. The present invention further describes polyalkyl (meth)acrylates for use in lubricants and also processes for preparing them and their use. The present lubricants can be used particularly in wind turbine transmissions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.