Patents by Inventor Stefan MICHAELIS

Stefan MICHAELIS 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).

  • Publication number: 20170349752
    Abstract: The present invention relates to novel methine dyes, methods for the preparation thereof and use thereof for dyeing plastics, especially polyamides, so as to obtain yellow colorings with improved light fastness and improved thermostability.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 7, 2017
    Applicant: LANXESS Deutschland GmbH
    Inventors: Hans-Ulrich BORST, Frank LINKE, Stefan MICHAELIS