TREA

Manfred Weigand

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  • Darmstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the production of a coated system
    • Patent number 5,618,585
    • Issue date Apr 8, 1997
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Wolfgang Hechler
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Glass-stable colored pigments
    • Patent number 5,106,419
    • Issue date Apr 21, 1992
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Wolfgang Hechler
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Golden color luster pigments
    • Patent number 5,009,711
    • Issue date Apr 23, 1991
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Ralf Emmert
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE