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:
Jun. 14, 2022
Filed:
May. 17, 2017
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Sofia Sirak, Ptymouth Meeting, PA (US);
Dmitriy Shakhvorostov, Darmstadt, DE;
Ines Berwing, Gross-Umstadt, DE;
Denise Bingel, Frankfurt, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 145/14 (2006.01); C08F 218/10 (2006.01); C08F 210/14 (2006.01); C10M 143/08 (2006.01); C10M 145/08 (2006.01); C08F 220/18 (2006.01); C10N 40/25 (2006.01); C10N 20/02 (2006.01); C10N 20/04 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01); C10N 40/08 (2006.01);
U.S. Cl.
CPC ...
C08F 218/10 (2013.01); C08F 210/14 (2013.01); C08F 220/18 (2013.01); C10M 143/08 (2013.01); C10M 145/08 (2013.01); C10M 145/14 (2013.01); C10M 2205/028 (2013.01); C10M 2209/062 (2013.01); C10M 2209/084 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/06 (2013.01); C10N 2040/042 (2020.05); C10N 2040/045 (2020.05); C10N 2040/08 (2013.01); C10N 2040/25 (2013.01);
Abstract
The present invention relates to copolymers, to a method for the preparation of these copolymers, to the use of these copolymers for reducing wear in a lubricant composition, to lubricant compositions comprising these copolymers, and to the use of these lubricant compositions as an automatic transmission fluid, a continuously variable transmission fluid, an engine oil, a gear oil, or a hydraulic oil.