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
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES0244534ApriorityCriticalpatent/ES244534A1/es
Publication of ES244534A1publicationCriticalpatent/ES244534A1/es
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Optical Filters
(AREA)
Abstract
Procedimiento para la preparación de colorantes orgánicos, caracterizado porque se introduce el radical de un ácido dicarboxílico de bajo peso molecular, insaturado, alifático, halogenado, enlazado por uno de sus grupos -CO-, en colorantes orgánicos hidrosolubles.
ES0244534A1958-09-261958-09-26Procedimiento para la preparaciën de colorantes organicos
ExpiredES244534A1
(es)