ES206778A1 - A procedure for the preparation of azocolorants containing cobalt (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of azocolorants containing cobalt (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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES206778ApriorityCriticalpatent/ES206778A1/en
Publication of ES206778A1publicationCriticalpatent/ES206778A1/en
Procedure for the preparation of azo dyes containing cobalt characterized in that it is reacted with monoazo dyes that are free of sulfonic acid groups and carboxyl groups and that correspond to the general formula in which they mean And an amino group or an oxy group a benzol radical bound in o-position with respect to the oxy group with the azo group And the radical of an azo component bound in position neighbor to group Y to group azo and X an aryl radical containing a substituent of the formula in which they mean and respective hydrogen atoms or an alkyl radical or oxyalkyl radical containing at most cobalt-yielding media. (Machine-translation by Google Translate, not legally binding)
ES206778A1952-12-131952-12-13A procedure for the preparation of azocolorants containing cobalt (Machine-translation by Google Translate, not legally binding)
ExpiredES206778A1
(en)