TREA

Stefan Wilhelm

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  • Darmstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrooptical liquid crystal system
    • Patent number 5,958,290
    • Issue date Sep 28, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • David Coates
    • G02 - OPTICS
  • Information Patent Grant

    Electrooptical system
    • Patent number 5,698,134
    • Issue date Dec 16, 1997
    • Merck KGaA
    • Raymond Edward Jubb
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Platelet-like colored pigments and process for producing the same
    • Patent number 5,540,769
    • Issue date Jul 30, 1996
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Klaus-Dieter Franz
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Electrooptical system
    • Patent number 5,384,066
    • Issue date Jan 24, 1995
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Eike Poetsch
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Electrooptical system
    • Patent number 5,356,557
    • Issue date Oct 18, 1994
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Raymond Jubb
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Electrooptical liquid-crystal system
    • Patent number 5,344,587
    • Issue date Sep 6, 1994
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • David Coates
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...