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Novartis AG
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JR Geigy AG
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Publication of ES259827A1publicationCriticalpatent/ES259827A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Process for the preparation of anthraquinone dyes, of general formula i *** in which a denotes the m-valent radical of an anthraquinone dye, b a bivalent aromatic radical x the acyl radical of an aromatic monocarboxylic acid, and m and n low numbers, characterized in that an anthraquinone compound is treated which contains at least one linked aromatic radical. (Machine-translation by Google Translate, not legally binding)
ES0259827A1959-07-241960-07-23Procedure for the preparation of anthraquinone colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES259827A1
(en)
Procedure for the manufacture of new colorants of the anthraquinºnica, peridicarboxilimida and ftalocianºnica series (Machine-translation by Google Translate, not legally binding)