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Wolf-Dietrich Weber

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  • Pfungstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semi-transparent interference pigments containing tin
    • Patent number 7,708,823
    • Issue date May 4, 2010
    • Merck Patent GmbH
    • Helge Bettina Kniess
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sulfide and oxysulphide pigments
    • Patent number 6,419,736
    • Issue date Jul 16, 2002
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Gerhard Pfaff
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Salicylic acid derivatives
    • Patent number 4,987,133
    • Issue date Jan 22, 1991
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Hans-Adolf Kurmeier
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents