ES296686A1 - 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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Bayer AG
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Bayer AG
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Publication of ES296686A1publicationCriticalpatent/ES296686A1/en
"Process for obtaining water-insoluble monoazo dyes", characterized in that the diazo compounds of amines of the formula ** (See formula) ** where X is -0C- or O2S-, R represents a residue of the benzole series and R1 represents an alkyl or aryl residue or an amine group, optionally alkyl-substituted or, if X is represented by a group -OC it means an alkyloxy moiety, it is coupled with 4-oxyquamines and here the starting components are selected so that the final dyes are free of sulphonic acid groups and carbonic acid groups. (Machine-translation by Google Translate, not legally binding)
ES0296686A1963-02-221964-02-21Procedure for obtaining insoluble monoazoic colorants in water (Machine-translation by Google Translate, not legally binding)
ExpiredES296686A1
(en)
A procedure for the production of the naft (2,3, b) - indolizin-6,11-diona-12-carboxigenilamidas. (Machine-translation by Google Translate, not legally binding)