TREA

Wolfgang Ruff

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  • Stuttgart, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disazo compounds and formulations containing same
    • Patent number 4,981,489
    • Issue date Jan 1, 1991
    • Basf Lacke & Farben Aktiengesellschaft
    • Wolfgang Ruff
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Disazo compounds and formulations containing same
    • Patent number 4,894,094
    • Issue date Jan 16, 1990
    • Basf Lacke & Farben Aktiengesellschaft
    • Wolfgang Ruff
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pigment formulations
    • Patent number 4,720,304
    • Issue date Jan 19, 1988
    • BASF Farben+Fasern Aktiengesellschaft
    • Wolfgang Ruff
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Modified diarylide pigments and their preparation
    • Patent number 4,602,960
    • Issue date Jul 29, 1986
    • BASF Farben & Fasern Aktiengesellschaft
    • Egon Liedek
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Diazo pigments
    • Patent number 4,247,296
    • Issue date Jan 27, 1981
    • BASF Farben & Fasern AG
    • Egon Liedeck
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mixed pigment and process of preparing the same
    • Patent number 4,222,788
    • Issue date Sep 16, 1980
    • BASF Farben & Fasern AG
    • Egon Liedek
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents