Patents by Inventor Hans Jürgen Erkel

Hans Jürgen Erkel 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).

  • POLYUREA LUBRICATING GREASES CONTAINING CARBONATES, AND THEIR USE
    Publication number: 20230257677
    Abstract: The invention relates to polyurea lubricating grease compositions containing polyurea thickeners and at least one organic carbonate, to lubrication points or components containing the polyurea lubricating grease composition, to a seal comprising sealing material from fluorinated elastomers and to the use of the lubricating greases.
    Type: Application
    Filed: July 1, 2021
    Publication date: August 17, 2023
    Inventors: Hans Jürgen ERKEL, Olaf BINKLE, Torsten GOERZ
  • Process for the preparation of polyurea-thickened lignin derivative-based lubricating greases, such lubricant greases and use thereof
    Patent number: 10604721
    Abstract: The invention relates to a method for preparing lignin derivative-based lubricating greases thickened by a polyurea thickener, lubricating greases thus prepared, and the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed roller bearings.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: March 31, 2020
    Assignee: FUCHS PETROLUB SE
    Inventors: Thomas Litters, Florian Hahn, Torsten Goerz, Hans Jürgen Erkel
  • Process for the Preparation of Polyurea-Thickened Lignin Derivative-Based Lubricating Greases, Such Lubricant Greases and Use Thereof
    Publication number: 20180258368
    Abstract: The invention relates to a method for preparing lignin derivative-based lubricating greases thickened by a polyurea thickener, lubricating greases thus prepared, and the use of such lubricant greases, inter alia, in transmissions, constant-velocity driveshafts and sealed roller bearings.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 13, 2018
    Inventors: Thomas Litters, Florian Hahn, Torsten Goerz, Hans Jürgen Erkel