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Priority to RO122192ApriorityCriticalpatent/RO94474B1/ro
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Inventia se refera la un colorant negru direct nebenzidinic pentru vopsirea fibrelor celulozice si la un procedeu de obtinere a acestuia prin cuplarea acida a 4,4'-diaminobenzanilidei bis-diazotate cu acidul H, cuplarea alcalina a sarii de benzendiazoniu cu intermediarul diazoazoic si cuplarea sarii de diazoniu a intermediarului astfel obtinut cu m-fenilendiamina.
RO122192A1986-02-111986-02-11Colorant negru direct nebenzidinic si procedeu de obtinere a acestuia
RO94474B1
(ro)