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
Original Assignee
Ciba Geigy AG
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Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES258262A1publicationCriticalpatent/ES258262A1/en
Process for the dyeing of nitrogen-containing fibers, apt to be dyed with acid dyes, characterized in that these fibers are dyed in an aqueous bath with copper phthalocyanines containing sulphonic acid groups, free of reactive groups, in the presence of cation-active compounds. (Machine-translation by Google Translate, not legally binding)
ES0258262A1959-05-211960-05-20Procedure for the dyeing of fibers containing nitrogen (Machine-translation by Google Translate, not legally binding)
ExpiredES258262A1
(en)
Procedure for the preparation of a copper ftalocianin, whose alpha form is stable in high degree to the solvents (Machine-translation by Google Translate, not legally binding)