ES245318A1 - Procedure for the preparation of azºicos colorantes containing heavy metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of azºicos colorantes containing heavy metal (Machine-translation by Google Translate, not legally binding)
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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES0245318ApriorityCriticalpatent/ES245318A1/en
Publication of ES245318A1publicationCriticalpatent/ES245318A1/en
Process for the preparation of azo dyes containing heavy metal, characterized in that compounds of chromium or cobalt complex are prepared 1: 2 of monoazo dyes of formula ** (See formula) ** in which R represents a benzene radical which is linked to the azo group in the ortho position with respect to the hydroxyl group, R1 an aryl radical, n a positive integer value of at most 4, e And a halogenated 1,3,5-triazine radical, and to which effect one of the radicals R and R1 have a hydro-solvent acid group. (Machine-translation by Google Translate, not legally binding)
ES0245318A1958-11-141958-11-14Procedure for the preparation of azºicos colorantes containing heavy metal (Machine-translation by Google Translate, not legally binding)
ExpiredES245318A1
(en)