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Doreen Warthe

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  • Pfungstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pigments with an iron silicate-containing coating
    • Patent number 9,611,390
    • Issue date Apr 4, 2017
    • MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG
    • Johann Dietz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Effect pigments
    • Patent number 8,337,611
    • Issue date Dec 25, 2012
    • Merck Patent GmbH
    • Gerhard Pfaff
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Effect pigments
    • Patent number 7,691,196
    • Issue date Apr 6, 2010
    • Merck Patent GmbH
    • Gerhard Pfaff
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Effect pigments based on thin SiO2 flakes
    • Patent number 7,255,736
    • Issue date Aug 14, 2007
    • Merck Patent GmbH
    • Gerhard Pfaff
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Effect pigments having a strong color flop
    • Patent number 7,169,223
    • Issue date Jan 30, 2007
    • Merck Patent GmbH
    • Gerhard Pfaff
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Intensely colored red effect pigments
    • Patent number 7,156,913
    • Issue date Jan 2, 2007
    • Merck Patent GmbH
    • Gerhard Pfaff
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents