ES293623A1 - Procedure for the preparation of monoazoic dyes containing metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of monoazoic dyes containing 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 ES0293623ApriorityCriticalpatent/ES293623A1/en
Publication of ES293623A1publicationCriticalpatent/ES293623A1/en
Process for the preparation of metal-containing monoazo dyes, characterized in that they are treated with metal-yielding agents, monoazo dyes of the formula wherein z means a benzene radical, y means a hydrogen atom or preferably an acid group sulphonic, n means an integer of value 2 at the most, and r means a benzene radical linked ortho to the azo bridge in the group ho --- (- co-) N-1 ---, and which contains a monohalotenotriazine radical linked to a nitrogen atom in the benzene nucleus. (Machine-translation by Google Translate, not legally binding)
ES0293623A1963-11-181963-11-18Procedure for the preparation of monoazoic dyes containing metal (Machine-translation by Google Translate, not legally binding)
ExpiredES293623A1
(en)