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Christoph Frey

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Patents Grantslast 30 patents

  • Information Patent Grant

    Naphthostyril Ni or Cu complexes, a process for their preparation,...
    • Patent number 4,529,804
    • Issue date Jul 16, 1985
    • Ciba-Geigy Corporation
    • Christoph Frey
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Isoindoline pigments
    • Patent number 4,165,319
    • Issue date Aug 21, 1979
    • Ciba-Geigy Corporation
    • Jost von der Crone
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mixed complexes of methine dyes
    • Patent number 4,097,484
    • Issue date Jun 27, 1978
    • Ciba-Geigy Corporation
    • Alexander von Zelewsky
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Iminoisoindolinone metal complex
    • Patent number 4,065,462
    • Issue date Dec 27, 1977
    • Ciba-Geigy Corporation
    • Christoph Frey
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Isoindolinone compounds useful in preparing heavy metal containing...
    • Patent number 4,002,635
    • Issue date Jan 11, 1977
    • Ciba-Geigy Corporation
    • Christoph Frey
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Metal complex pigments
    • Patent number 3,994,899
    • Issue date Nov 30, 1976
    • Ciba-Geigy Corporation
    • Christoph Frey
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...