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. 27, 2022
Filed:
Oct. 23, 2019
Evonik Operations Gmbh, Essen, DE;
Holger Pletsch, Frankfurt, DE;
Emily Clare Schweissinger, Dortmund, DE;
Hanna Spohr, Duisburg, DE;
Sebastian Reimann, Wesseling, DE;
Lars Pera, Hammerstein, DE;
Marius Weiland, Heiden, DE;
Boris Eisenberg, Heppenheim, DE;
Dmitriy Shakhvorostov, Darmstadt, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
The invention relates to random copolymers comprising monomers derived from conjugated dienes and alkyl (meth)acrylates, a method for manufacturing the copolymers, lubricant compositions comprising the copolymers, and the use of the copolymers as additives for lubricant compositions or as a base oil for lubricant compositions. The copolymers are favorably used for driving system lubricating oils, hydraulic oils, engine oils and industrial oil formulations.