ES254610A1 - Procedure for obtaining insoluble monoazoic colorants in water (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for obtaining insoluble monoazoic colorants in water (Machine-translation by Google Translate, not legally binding)
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Hoechst AG
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Hoechst AG
Farbwerke Hoechst AG
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Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Publication of ES254610A1publicationCriticalpatent/ES254610A1/en
Process for the preparation of water-insoluble monoazo dyes, consisting of coupling in substance, on the fiber or on a support, the diazo compounds of the 1-amino-2-alkoxylbenzene-5-carbonyl-amides with the 2-arylamides of acid hydroxy-naphthalene-3-carboxylic acid of the general formula 2 (in which one of the letters x 1 and x 2 represents a halogen and the other a radical -or, r represents a methyl or ethyl group and y represents hydrogen, a group alkoxy or a halogen) and in choosing free azo components of solubilizing groups such as for example sulphonic or carboxylic groups. (Machine-translation by Google Translate, not legally binding)
ES0254610A1951-08-101959-12-29Procedure for obtaining insoluble monoazoic colorants in water (Machine-translation by Google Translate, not legally binding)
ExpiredES254610A1
(en)
Procedure for the obtaining of insoluble azocolorants in water, intended for textile stamping (Machine-translation by Google Translate, not legally binding)