ES237533A1 - Procedure for the preparation of new colorants of the antraquinonas series (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new colorants of the antraquinonas series (Machine-translation by Google Translate, not legally binding)
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.)
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Novartis AG
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Ciba Geigy AG
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Publication of ES237533A1publicationCriticalpatent/ES237533A1/en
Process for the preparation of dyes of the anthraquinone series, characterized in that trihalogenotriazines are condensed, in particular 2,4,6-trichloro-1,3,5-triazine, on the one hand with water-soluble anthraquinone dyes containing an acyl-amino group already at less an acid group of hydro-dissolving power, preferably a sulfonic acid group and on the other with ammonia, with a low molecular weight organic hydroxyl compound, or with an aromatic amine containing hydro-solvent power groups having as sole salt-forming substituents of sulphonic acid and/or carboxylic acid, in such a way that secondary condensation products are produced which have at least two hydro-solvent power groups and a labile halogen atom. (Machine-translation by Google Translate, not legally binding)
ES0237533A1956-09-121957-09-11Procedure for the preparation of new colorants of the antraquinonas series (Machine-translation by Google Translate, not legally binding)
ExpiredES237533A1
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