ES211564A1 - A procedure for the preparation of new azocolorants that contain cobalt (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of new azocolorants that contain 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 ES211564ApriorityCriticalpatent/ES211564A1/en
Publication of ES211564A1publicationCriticalpatent/ES211564A1/en
Procedure for the preparation of mono-dyes containing cobalt characterized in that cobalt-releasing media are reacted with mono-dyes free of sulfonic acid groups and carboxyl groups which respond to **/See formula) ** in which R denotes an oxybenzole radical linked to the azo group in position or with respect to the oxy group and a naphthaine radical that is linked to the azo group in position jerky to the amino group and whose effect the molecule Dye contains a sulfo group that includes more than one carbon atom or a single sulfonamide group. (Machine-translation by Google Translate, not legally binding)
ES211564A1953-10-071953-10-07A procedure for the preparation of new azocolorants that contain cobalt (Machine-translation by Google Translate, not legally binding)
ExpiredES211564A1
(en)