Patents by Inventor Patrick Blanke

Patrick Blanke 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).

  • Core-extended perylene bisimides
    Patent number: 6491749
    Abstract: The present inventions relates to nucleus-extended perylenebisimides of formula (I) intermediates in the preparation of compounds (I) and processes for the preparation of those intermediates and also processes for the preparation of compounds, (I), and the use thereof as colorants.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: December 10, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Heinz Langhals, Susanne Kirner, Patrick Blanke, Markus Speckbacher