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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
JR Geigy AG
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Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to ES0224338ApriorityCriticalpatent/ES224338A1/es
Publication of ES224338A1publicationCriticalpatent/ES224338A1/es
Procedimiento para la preparación de compuestos de metal pesado complejos de azocolorantes metalizables, apropiados para la formación de quelados tricíclicos, utilizables para el teñido sólido de fibras polipéptidos, caracterizado porque se lleva a cabo la metalización con medios que ceden metal coordinativamente hexavalente en presencia de medios formadores de complejos coordinativamente bivalentes.
ES0224338A1955-10-071955-10-07UN PROCEDIMIENTO PARA LA PREPARACIoN DE AZOCOLORANTES QUE CONTIENEN METAL
ExpiredES224338A1
(es)