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
Priority claimed from CH1211260Aexternal-prioritypatent/CH407373A/en
Priority claimed from CH524061Aexternal-prioritypatent/CH430919A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES271573A1publicationCriticalpatent/ES271573A1/en
Polysaccharides And Polysaccharide Derivatives
(AREA)
Abstract
Process for the preparation of dyes, characterized in that, in tub dyes containing at least 2 anthraquinone radicals or a tinable system of at least 4 juxtacondensed rings, it is introduced, optionally at the same time as the dye is formed, a hydrocarbon radical, optionally substituted, linked by means of a sulfur atom, with introduction, simultaneous, before or after, of a water-solubilizing substituent. (Machine-translation by Google Translate, not legally binding)
ES0271573A1960-10-281961-10-27Procedure for the preparation of colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES271573A1
(en)
Procedure for the manufacture of new colorants of the anthraquinºnica, peridicarboxilimida and ftalocianºnica series (Machine-translation by Google Translate, not legally binding)