Patents by Inventor Manfred Thon

Manfred Thon 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).

  • Interference pigments
    Patent number: 11746240
    Abstract: The invention relates to interference pigments based on SiO2 flakes having a broad layer-thickness distribution, and to the use thereof in paints, coatings, powder coatings, plastics and in particular in cosmetic formulations and for colouring food and pharmaceutical products.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: September 5, 2023
    Assignee: Merck Patent GmbH
    Inventors: Stephanie Andes, Ulrich Schoenefeld, Thomas Krasemann, Manfred Thon, Martina Welsch, Ralf Schweinfurth, Melanie Mechthild Breidung
  • INTERFERENCE PIGMENTS
    Publication number: 20220356356
    Abstract: The invention relates to interference pigments based on SiO2 flakes having a broad layer-thickness distribution, and to the use thereof in paints, coatings, powder coatings, plastics and in particular in cosmetic formulations and for colouring food and pharmaceutical products.
    Type: Application
    Filed: September 25, 2020
    Publication date: November 10, 2022
    Applicant: Merck Patent GmbH
    Inventors: Stephanie ANDES, Ulrich SCHOENEFELD, Thomas KRASEMANN, Manfred THON, Martina WELSCH, Ralf SCHWEINFURTH
  • Conductive pigment
    Patent number: 5320781
    Abstract: There is disclosed an electrically conductive pigment containing 20 to 95% by weight of a component A comprising one or more conductive platelet-like pigments and 5 to 80% by weight of a component B comprising one or more conductive needle-shaped or fibrous pigments.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: June 14, 1994
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Otto Stahlecker, Manfred Thon, Ralf Glausch, Gerhard Pfaff, Manfred Kieser, Wilhelm Gobel