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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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
Priority claimed from CH898469Aexternal-prioritypatent/CH533669A/de
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES380641A1publicationCriticalpatent/ES380641A1/es
Verfahren zur Herstellung von in Alkohol löslichen, in Wasser jedoch praktisch unlöslichen Umsetzungsprodukten basischer Farbstoffe und Anwendung des Verfahrens zur Herstellung von diese Farbstoffe enthaltenden Zubereitungen