Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Publication date
Priority claimed from ES388801Aexternal-prioritypatent/ES388801A1/en
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Priority to ES391575ApriorityCriticalpatent/ES391575A1/en
Publication of ES391575A1publicationCriticalpatent/ES391575A1/en
Process for the preparation of aminoazo dyes of the general formula: ** (see formula) ** Wherein r represents h or an alkyl group, d is the residue of an aminoazo compound wherein the n atoms of the azo group or groups, are attached to the carbon atoms of homocyclic aromatic nuclei, and x is the residue of an organic acid colorless material containing a cellulose-reactive substituent, characterized in that it comprises reacting cyanuric chloride with one mole of a compound of the formula d-nhr and one mole of a colorless amine of the formula: ** (see formula) ** Having the symbols d, r and x the meanings indicated above. (Machine-translation by Google Translate, not legally binding)
ES391575A1970-03-021971-05-26Procedure for the preparation of aminoazoic colorants. (Machine-translation by Google Translate, not legally binding)
ExpiredES391575A1
(en)
Procedure for obtaining new 1,2,3-triazolic fluorescent derivatives of 3-phenyl-cumarine (Machine-translation by Google Translate, not legally binding)