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.

Date of Patent:
Apr. 23, 2024

Filed:

Dec. 12, 2019
Applicant:

Evonik Operations Gmbh, Essen, DE;

Inventors:

Stefan Karl Maier, Ober-Ramstadt, DE;

Michael Neusius, Darmstadt, DE;

Qi Xiao, Shanghai, CN;

Gabriela Fedor, Frankfurt, DE;

Stefan Hilf, Zwingenberg, DE;

Frank-Olaf Mähling, Mannheim, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 107/28 (2006.01); C08F 20/16 (2006.01); C10N 20/04 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 107/28 (2013.01); C08F 20/16 (2013.01); C10M 2203/003 (2013.01); C10M 2209/0845 (2013.01); C10N 2020/04 (2013.01); C10N 2040/04 (2013.01);
Abstract

Low molecular weight polyalkyl acrylate polymers can be used as high viscosity base fluids. A corresponding method can be used for their preparation. Lubricant compositions may contain such low molecular weight polyalkyl acrylate polymers and the compositions may be used as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or hydraulic oils.


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