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Martin Petrzilka

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  • Kaiseraugst, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid crystals
    • Patent number 5,238,602
    • Issue date Aug 24, 1993
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystals
    • Patent number 5,013,478
    • Issue date May 7, 1991
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystalline compounds and mixtures
    • Patent number 4,980,486
    • Issue date Dec 25, 1990
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystalline compounds and mixtures
    • Patent number 4,915,480
    • Issue date Apr 10, 1990
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal mixture
    • Patent number 4,783,280
    • Issue date Nov 8, 1988
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Esters
    • Patent number 4,708,441
    • Issue date Nov 24, 1987
    • Hoffman-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Novel liquid crystal mixtures
    • Patent number 4,709,030
    • Issue date Nov 24, 1987
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Dicyano compounds
    • Patent number 4,704,005
    • Issue date Nov 3, 1987
    • Hoffmann-La Roche Inc.
    • Arthur Boller
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystals
    • Patent number 4,676,604
    • Issue date Jun 30, 1987
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystalline compounds and mixtures
    • Patent number 4,652,089
    • Issue date Mar 24, 1987
    • Hoffmann-La Roche Inc.
    • Gottfried Oesterhelt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Benzonitriles
    • Patent number 4,630,896
    • Issue date Dec 23, 1986
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclohexanecarbonitriles
    • Patent number 4,629,581
    • Issue date Dec 16, 1986
    • Hoffmann-La Roche Inc.
    • Arthur Boller
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Novel liquid crystal mixtures
    • Patent number 4,621,901
    • Issue date Nov 11, 1986
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Coloring substance-containing liquid crystal mixtures
    • Patent number 4,613,208
    • Issue date Sep 23, 1986
    • Hoffmann-La Roche Inc.
    • Arthur Boller
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pyridazine derivatives useful as components of liquid crystal mixtures
    • Patent number 4,595,521
    • Issue date Jun 17, 1986
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phenylethanes
    • Patent number 4,583,826
    • Issue date Apr 22, 1986
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystals
    • Patent number 4,565,425
    • Issue date Jan 21, 1986
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Optical immersion oil
    • Patent number 4,559,147
    • Issue date Dec 17, 1985
    • Hoffmann-La Roche Inc.
    • Georges Hirth
    • G02 - OPTICS
  • Information Patent Grant

    Liquid crystalline esters and mixtures
    • Patent number 4,550,981
    • Issue date Nov 5, 1985
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Acetylenes
    • Patent number 4,528,114
    • Issue date Jul 9, 1985
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Multiring liquid crystal esters
    • Patent number 4,526,704
    • Issue date Jul 2, 1985
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Immersion oil containing aliphatic thio compounds
    • Patent number 4,493,533
    • Issue date Jan 15, 1985
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal mixture
    • Patent number 4,460,770
    • Issue date Jul 17, 1984
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Decalins
    • Patent number 4,432,885
    • Issue date Feb 21, 1984
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pyridazines
    • Patent number 4,419,262
    • Issue date Dec 6, 1983
    • Hoffmann-La Roche Inc.
    • Martin Petrzilka
    • C07 - ORGANIC CHEMISTRY