Patents by Inventor Charles FREUDENREICH

Charles FREUDENREICH 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).

  • ELECTROPHORETIC INK PROVIDING COLOURED AND TRANSPARENT STATES
    Publication number: 20190233662
    Abstract: The present invention refers to an electrophoretic ink, a method for preparing an electrophoretic ink, an electrophoretic display comprising the electrophoretic ink, a smart window comprising the electrophoretic ink as well as the use of the electrophoretic ink in electrophoretic displays or smart windows and the use of a mixture of charge control agents for the preparation of an electrophoretic ink.
    Type: Application
    Filed: July 10, 2017
    Publication date: August 1, 2019
    Applicant: BASF SE
    Inventors: Ying GUO, Charles FREUDENREICH, Gerardus DE KEYZER, Milijana JOVIC