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Herbert Plach

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  • Darmstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid-crystalline medium and liquid-crystal display comprising the...
    • Patent number 10,774,263
    • Issue date Sep 15, 2020
    • Merck Patent GmbH
    • Atsutaka Manabe
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal system and liquid crystal display
    • Patent number 9,567,522
    • Issue date Feb 14, 2017
    • Merck Patent GmbH
    • Cecile Schott
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal medium and electrooptical display containing same
    • Patent number 9,550,942
    • Issue date Jan 24, 2017
    • Merck Patent GmbH
    • Melanie Klasen-Memmer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal system and liquid crystal display
    • Patent number 8,409,469
    • Issue date Apr 2, 2013
    • Merck Patent GmbH
    • Cecile Schott
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal system and liquid crystal display
    • Patent number 8,333,906
    • Issue date Dec 18, 2012
    • Merck Patent GmbH
    • Cecile Schott
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Benzochromene derivatives for use in liquid crystal media and as th...
    • Patent number 7,998,541
    • Issue date Aug 16, 2011
    • Merck Patent GmbH
    • Andreas Taugerbeck
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal system and liquid crystal display
    • Patent number 7,794,621
    • Issue date Sep 14, 2010
    • Merck Patent GmbH
    • Cecile Schott
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Matrix liquid crystal display
    • Patent number 7,445,818
    • Issue date Nov 4, 2008
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phenylcyclohexanes and a liquid-crystalline medium
    • Patent number 7,250,199
    • Issue date Jul 31, 2007
    • Merck Patent GmbH
    • Andreas Wachtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Matrix liquid crystal display
    • Patent number 7,186,447
    • Issue date Mar 6, 2007
    • Merck Patent GmbH
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phenylcyclohexanes and a liquid-crystalline medium
    • Patent number 6,955,837
    • Issue date Oct 18, 2005
    • Merck Patent GmbH
    • Andreas Wachtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Matrix liquid crystal display
    • Patent number 6,905,740
    • Issue date Jun 14, 2005
    • Merck Patent GmbH
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid-crystal switching elements comprising a liquid-crystal layer...
    • Patent number 6,781,664
    • Issue date Aug 24, 2004
    • Merck Patent GmbH
    • Michael Heckmeier
    • G02 - OPTICS
  • Information Patent Grant

    Liquid-crystalline medium
    • Patent number 6,689,291
    • Issue date Feb 10, 2004
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Volker Reiffenrath
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phenylcyclohexanes and a liquid-crystalline medium
    • Patent number 6,677,002
    • Issue date Jan 13, 2004
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Andreas Wächtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid-crystalline medium
    • Patent number 6,673,268
    • Issue date Jan 6, 2004
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Bernhard Rieger
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Matrix liquid crystal display
    • Patent number 6,562,419
    • Issue date May 13, 2003
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phenylcyclohexanes and a liquid-crystalline medium
    • Patent number 6,284,154
    • Issue date Sep 4, 2001
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Andreas Wächtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Supertwist liquid crystal display
    • Patent number 6,210,760
    • Issue date Apr 3, 2001
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    TN cell having improved display of grey shades
    • Patent number 6,166,798
    • Issue date Dec 26, 2000
    • Merck KGaA
    • Herbert Plach
    • G02 - OPTICS
  • Information Patent Grant

    Matrix liquid crystal display
    • Patent number 6,004,479
    • Issue date Dec 21, 1999
    • Merck KGaA
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid-crystalline medium
    • Patent number 5,985,171
    • Issue date Nov 16, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Bernhard Rieger
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Naphthalene derivatives
    • Patent number 5,942,648
    • Issue date Aug 24, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • David Coates
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Benzene derivatives, and liquid-crystalline medium
    • Patent number 5,932,138
    • Issue date Aug 3, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Herbert Plach
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phenylcyclohexanes and a liquid-crystalline medium
    • Patent number 5,891,360
    • Issue date Apr 6, 1999
    • Merck Patent Gesellschaft MIT Beschrankter
    • Andreas Wachtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Supertwist liquid crystal display
    • Patent number 5,876,626
    • Issue date Mar 2, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Georg Weber
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid-crystalline medium
    • Patent number 5,868,962
    • Issue date Feb 9, 1999
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Bernhard Rieger
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid-crystalline compounds
    • Patent number 5,837,162
    • Issue date Nov 17, 1998
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Volker Reiffenrath
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Benzene derivatives, and a liquid-crystalline medium
    • Patent number 5,811,029
    • Issue date Sep 22, 1998
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Andreas Wachtler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Chiral dopes
    • Patent number 5,772,914
    • Issue date Jun 30, 1998
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Detlef Pauluth
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents