ES252841A1 - Procedure for the preparation of new cobaltosos azoic dyes (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new cobaltosos azoic dyes (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
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Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES0252841ApriorityCriticalpatent/ES252841A1/en
Publication of ES252841A1publicationCriticalpatent/ES252841A1/en
Process for the preparation of new cobalatous azo dyes characterized by the actuation of cobalt-transfer agents on monoazo dyes provided with sulfonic acid groups belonging to the general formula wherein r denotes a benzene radical or naphthalin which possesses the hydroxyl group in position adjacent to the azoic bridge and k a 1-oxybenzenic radical linked in position 2 to the azo group. (Machine-translation by Google Translate, not legally binding)
ES0252841A1959-10-231959-10-23Procedure for the preparation of new cobaltosos azoic dyes (Machine-translation by Google Translate, not legally binding)
ExpiredES252841A1
(en)