ES244602A1 - Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of azocolorants that contain 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 ES0244602ApriorityCriticalpatent/ES244602A1/en
Publication of ES244602A1publicationCriticalpatent/ES244602A1/en
Process for the preparation of metal-containing azo dyes, characterized in that compounds of chromium or cobalt complex 1: 2 are prepared from monoazo dyes of formula ** (See formula) ** where they mean R1 a benzene radical, n a positive integer, and R-OH the radical linked ortho to the oxy group with the azo bridge of a diazo component of the benzene series having an amino group bearing a halogenated 1,3,5-triazine radical. (Machine-translation by Google Translate, not legally binding)
ES0244602A1958-10-101958-10-10Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
ExpiredES244602A1
(en)