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Home › Disperse monoazo dyestuffs derived from 3,5-dinitro-2-amino thiophene as disazo component and an arylamine coupling component

Disperse monoazo dyestuffs derived from 3,5-dinitro-2-amino thiophene as disazo component and an arylamine coupling component

US Patent 4211696 · Granted Jul 8, 1980

Estimated economic value: $1,829,000 ⓘ

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