ES401974A1 - Procedure for the obtaining of anatukinonic colorants soluble in water. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of anatukinonic colorants soluble in water. (Machine-translation by Google Translate, not legally binding)
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Priority to ES401974ApriorityCriticalpatent/ES401974A1/en
Publication of ES401974A1publicationCriticalpatent/ES401974A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for obtaining anthraquinone dyes soluble in water, of the formula: ** (see formula) ** Wherein z represents an optionally substituted hydrocarbon residue bearing at least one half-ester group of sulfuric acid or a sulfonic acid group, characterized in that it comprises reacting a sulfation or sulfonation agent with an anthraquinone compound of formula; ** (see formula) ** Wherein y represents a hydrocarbon residue optionally bearing one or more hydroxy substituents and/or other substituents. (Machine-translation by Google Translate, not legally binding)
ES401974A1972-04-211972-04-21Procedure for the obtaining of anatukinonic colorants soluble in water. (Machine-translation by Google Translate, not legally binding)
ExpiredES401974A1
(en)
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