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:
Oct. 03, 2017
Filed:
Jun. 27, 2011
Boris Eisenberg, Heppenheim, DE;
Dieter Janssen, Gross-Umstadt, DE;
Ellen Suchert, Bensheim, DE;
Miriam Kathrin Stihulka, Maintal, DE;
Lucas Voigt, Weiterstadt, DE;
Boris Eisenberg, Heppenheim, DE;
Dieter Janssen, Gross-Umstadt, DE;
Ellen Suchert, Bensheim, DE;
Miriam Kathrin Stihulka, Maintal, DE;
Lucas Voigt, Weiterstadt, DE;
Evonik Oil Additives GmbH, Darmstadt, DE;
Abstract
The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate.