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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Publication of ES225554A1publicationCriticalpatent/ES225554A1/es
Procedimiento para la preparación de sales colorantes hidrosolubles de azocolorantes en las cuales el azocolorante forma el catión caracterizado porque se transforma azocolorantes libres de grupos de disociación ácida que contienen la sucesión atómica **(Ver fórmula)** por reacción con medios de alkilación apropiados en sales colorantes.
ES0225554A1955-01-281955-12-14UN NUEVO PROCEDIMIENTO PARA LA PREPARACIoN DE SALES COLORANTES HIDROSOLUBLES DE AZOCOLORANTES
ExpiredES225554A1
(es)