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Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
(AREA)
Abstract
Inventia se refera la coloranti directi portocalii, nebenzidinici pentru vopsirea fibrelor celulozice si de amestec în portocaliu stralucitor cu rezistente bune la lumina si la tratamente umede, si cu egalizare si rezervare a firelor de amestec excelente, si la un procedeu de preparare a acestora prin cuplarea simetrica a 4,4'-diamonobenzanilidei bis-diazotate cu 1-(4'-sulfofenil)-3-metil-5-pirazolona sau cu 1-(3'-sulfofenil)-3-metil-5-pirazolona.
RO121426A1985-12-271985-12-27Coloranti directi portocalii nebenzidinici si procedeu de preparare a acestora
RO93356B1
(ro)