ES258263A1 - Procedure for the preparation of new monoazoic dyes containing heavy metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new monoazoic dyes containing heavy metal (Machine-translation by Google Translate, not legally binding)
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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Novartis AG
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Ciba Geigy AG
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Priority to ES0258263ApriorityCriticalpatent/ES258263A1/en
Publication of ES258263A1publicationCriticalpatent/ES258263A1/en
Process for the preparation of new heavy metal-containing monoazo dyes, characterized in that monoazo-complex complex metal complexes of formula *** are prepared according to methods known per se in which r represents a benzene or naphthalene radical which is linked to ortho position with respect to the hydroxyl group to the azo group, x denoting a hydrogen atom or a heterocyclic ring without a dye character linked by a nitrogen bridge to r, which carries at least one halogen atom capable of reacting, and y an acyl radical, or a heterocyclic ring without a dye character containing at least one halogen atom capable of reacting. (Machine-translation by Google Translate, not legally binding)
ES0258263A1960-05-201960-05-20Procedure for the preparation of new monoazoic dyes containing heavy metal (Machine-translation by Google Translate, not legally binding)
ExpiredES258263A1
(en)
A procedure for the preparation of products of transformation of complex metal compounds in azocolorants (Machine-translation by Google Translate, not legally binding)