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Home › Yellow-reactive monoazo dyes containing a tertiary or a quarternary nitrogen group, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material

Yellow-reactive monoazo dyes containing a tertiary or a quarternary nitrogen group, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material

US Patent 6624291 · Granted Sep 23, 2003

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