Patents by Inventor Frank Adrian Carl

Frank Adrian Carl 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).

  • Security ink and security article, such as a banknote, with a tri-luminescent effect
    Publication number: 20230383130
    Abstract: A security ink contains at least a first fluorescent and phosphorescent pigment and a second fluorescent pigment, wherein the security ink if excited with a first wavelength emits radiation with a first emission spectrum, if excited with a second wavelength emits radiation with a second emission spectrum being different from the first emission spectrum, and after the excitation has been terminated emits radiation with a third emission spectrum being different from the first emission spectrum and being different from the second emission spectrum.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 30, 2023
    Applicants: Gleitsmann Security Inks GmbH, Leuchtstoffwerk Breitungen GmbH
    Inventors: Katharina Huth, Roland Gutmann, Frank Adrian Carl, Dominik Uhlich, Benedikt Daumann, Sylke Rösler, Thomas Bitzer