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Priority to RO122873ApriorityCriticalpatent/RO94764B1/en
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Inventia se refera la un colorant rosu-galbui direct pentru vopsirea fibrelor celulozice si de amestec, obtinut prin dicuplarea simetrica a 4,4'-diaminobenzanilidei-bis-diazotate cu acidul 1-naftilamino-4-sulfonic si transformarea colorantului în sare de amoniu.The invention relates to a direct red-yellow dyestuff for the dyeing of cellulosic and blended fibers obtained by symmetrically dissociating 4,4'-diaminobenzanilide-bis-diazotate with 1-naphthylamino-4-sulfonic acid and transforming the dye into ammonium salt.
RO122873A1986-04-041986-04-04Direct non-benzidine red-yellowish dye and process for preparing the same
RO94764B1
(en)