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
Ciba 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 Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES0223322ApriorityCriticalpatent/ES223322A1/es
Publication of ES223322A1publicationCriticalpatent/ES223322A1/es
Investigating Or Analysing Biological Materials
(AREA)
Coloring
(AREA)
Paper
(AREA)
Abstract
Procedimiento para la preparación de nuevos azocolorantes insolubles en agua, caracterizado porque se copula un tetrazocompuesto de un 3,3''-dialcoxi-4.4''-diamino-difenilo, de preferencia del 3,3''-dimetoxi-4.4''-diaminodifenilo, tanto con un acilacetilaminocompuesto, como asimismo con una 2-oxinaftalin-3-carboxilarilamida, utilizando al efecto materias de partida exentas de grupos de poder hidrodisolvente.
ES0223322A1955-08-031955-08-03PROCEDIMIENTO PARA LA PREPARACIoN DE NUEVOS AZOCOLORANTES INSOLUBLES EN AGUA
ExpiredES223322A1
(es)