ES224338A1 - A procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
A 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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JR Geigy AG
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Priority to ES0224338ApriorityCriticalpatent/ES224338A1/en
Publication of ES224338A1publicationCriticalpatent/ES224338A1/en
Process for the preparation of metallizable azo-complexing heavy metal complexes, suitable for the formation of tricyclic chelates, usable for the solid dyeing of polypeptide fibers, characterized in that the metallization is carried out with means that yield metal coordinatedly hexavalent in the presence of means coordinators of complexes divalent complexes. (Machine-translation by Google Translate, not legally binding)
ES0224338A1955-10-071955-10-07A procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
ExpiredES224338A1
(en)
Procedure for the preparation of metalizable azocolorants and their complex heavy metal compounds (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of metalizable monoazocolorants and their complex compounds of heavy metal (Machine-translation by Google Translate, not legally binding)