Patents by Inventor Ellen Suchert

Ellen Suchert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lubricant composition with phosphorus-functionalized polymers
    Patent number: 9914896
    Abstract: The present invention relates to a lubricant composition comprising at least one polyalkyl(meth)acrylate including repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol radical, wherein the polyalkyl(meth)acrylate includes repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further relates to a polyalkyl(meth)acrylate suitable for such a lubricant composition and to the use of a polyalkyl(meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom for reducing friction.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: March 13, 2018
    Assignee: Evonik Oil Additives GmbH
    Inventors: Boris Eisenberg, Ellen Suchert
  • Polyalkyl(meth)acrylate for improving lubricating oil properties
    Patent number: 9777098
    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.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: October 3, 2017
    Assignee: Evonik Oil Additives GmbH
    Inventors: Boris Eisenberg, Dieter Janssen, Ellen Suchert, Miriam Kathrin Stihulka, Lucas Voigt
  • LUBRICANT COMPOSITION WITH PHOSPHORUS-FUNCTIONALIZED POLYMERS
    Publication number: 20140135242
    Abstract: The present invention relates to a lubricant composition comprising at least one polyalkyl(meth)acrylate including repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol radical, wherein the polyalkyl(meth)acrylate includes repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further relates to a polyalkyl(meth)acrylate suitable for such a lubricant composition and to the use of a polyalkyl(meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom for reducing friction.
    Type: Application
    Filed: April 19, 2012
    Publication date: May 15, 2014
    Applicant: Evonik Oil Additives GmbH
    Inventors: Boris Eisenberg, Ellen Suchert
  • COPOLYMERS COMPRISING ESTER GROUPS AND USE THEREOF IN LUBRICANTS
    Publication number: 20130252866
    Abstract: The present invention relates to copolymers comprising ester groups and having at least one nonpolar segment P and at least one polar segment D, the polar segment D having at least 8 repeat units and the proportion by weight of dispersing repeat units in the polar segment D being at least 30%, based on the weight of the polar segment D, wherein the copolymer comprising ester groups is obtainable by NMP (nitroxide mediated polymerization). The invention further relates to lubricant oils having improved friction properties and comprising said copolymers.
    Type: Application
    Filed: February 9, 2012
    Publication date: September 26, 2013
    Applicant: Evonik Oil Additives GmbH
    Inventors: Torsten Stoehr, Boris Eisenberg, Ellen Suchert
  • POLYALKYL(METH)ACRYLATE FOR IMPROVING LUBRICATING OIL PROPERTIES
    Publication number: 20130079265
    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.
    Type: Application
    Filed: June 27, 2011
    Publication date: March 28, 2013
    Applicant: Evonik Oil Additives GmbH
    Inventors: Boris Eisenberg, Dieter Janssen, Ellen Suchert, Miriam Kathrin Stihulka, Lucas Voigt