TREA

Karl Schaeffer

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  • Ludwigshafen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of anthraquinoid disperse dyes
    • Patent number 4,491,666
    • Issue date Jan 1, 1985
    • BASF Aktiengesellschaft
    • Rolf Niess
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...