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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Compagnie Francaise des Matieres Colorantes SARL
Original Assignee
Compagnie Francaise des Matieres Colorantes SARL
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Filing date
Publication date
Application filed by Compagnie Francaise des Matieres Colorantes SARLfiledCriticalCompagnie Francaise des Matieres Colorantes SARL
Application grantedgrantedCritical
Publication of FR69946EpublicationCriticalpatent/FR69946E/en
FR69946D1956-06-211956-06-21
Process for the preparation of new monoazo dyes and their metal complexes, application of these complexes to dyeing
ExpiredFR69946E
(en)
Heavy metal complex azo dyes containing a benzothiophene-1,1-dioxide, 2,1-benzothiazine-2,2-dioxide, 1,4-benzothiazine-1,1-dioxide or thienopyridine-1,1-dioxide coupling component
Heavy metal complex azo dyes containing a benzothiophene-1,1-dioxide, 2,1-benzothiazine-2,2-dioxide, 1,4-benzothiazine-1,1-dioxide or thienopyridine-1,1-dioxide coupling component