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Paul Richter

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  • Friedelsheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixtures of azo dyes for navy to black shades
    • Patent number 5,393,308
    • Issue date Feb 28, 1995
    • BASF Aktiengesellschaft
    • Arno Lange
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...