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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Filing date
Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES247400A1publicationCriticalpatent/ES247400A1/en
Process for the preparation of pigment dyes characterized in that one mole of a diisocyanate is transposed with about two moles of an organic dye containing an amino group capable of reacting or one mole of an organic compound containing two amino groups capable of reacting with approximately two moles of a dye containing an isocyanate group. (Machine-translation by Google Translate, not legally binding)
ES0247400A1958-01-271959-01-26Procedure for the preparation of pigment colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES247400A1
(en)
Procedure for the manufacture of new colorants of the anthraquinºnica, peridicarboxilimida and ftalocianºnica series (Machine-translation by Google Translate, not legally binding)