Patents by Inventor Jörn Klaus Erich WOLF

Jörn Klaus Erich WOLF 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).

  • Method for the improved oxidation of secondary amine groups
    Patent number: 11001659
    Abstract: The present invention relates to a process for oxidizing secondary amino groups to the corresponding radical nitroxyl groups within a polymer comprising, for example, 2,2,6,6-tetramethylpiperidinyl units. The process assures a particularly high degree of oxidation.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 11, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Christian Meier, Michael Flittner, Christine Körner, Michael Korell, Jörn Klaus Erich Wolf
  • METHOD FOR THE IMPROVED OXIDATION OF SECONDARY AMINE GROUPS
    Publication number: 20210122864
    Abstract: The present invention relates to a process for oxidizing secondary amino groups to the corresponding radical nitroxyl groups within a polymer comprising, for example, 2,2,6,6-tetramethylpiperidinyl units. The process assures a particularly high degree of oxidation.
    Type: Application
    Filed: August 31, 2017
    Publication date: April 29, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Christian MEIER, Michael FLITTNER, Christine KÖRNER, Michael KORELL, Jörn Klaus Erich WOLF