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Hodogaya Chemical Co Ltd
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Hodogaya Chemical Co Ltd
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Application filed by Hodogaya Chemical Co LtdfiledCriticalHodogaya Chemical Co Ltd
Priority to JP9317476ApriorityCriticalpatent/JPS5319342A/en
Publication of JPS5319342ApublicationCriticalpatent/JPS5319342A/en
PURPOSE: A specific 2α metal complex dye is treated with a compound bearing 2 iscocyanate gorups to provide an ink composition being highly transparent, clear, resistant to light and bleeding and useful as a coloring agent for leather, synthetic resins and dyes.
Disazo dyes, process for the preparation of binary or ternary mixtures of disazo dyes and process for the dyeing and/or the marking of organic materials