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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Filing date
Publication date
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES280136A1publicationCriticalpatent/ES280136A1/en
Process for the preparation of new vat dyes, characterized in that an at least one aqueous solvent group is introduced in vat dyes having at least one aryloxy group, or by the fact that an aryloxy group is introduced , at least, in vat dyes or intermediates of vat dyes which by virtue of that introduction are converted into vat dyes, aqueous-solubilizing groups are introduced simultaneously or subsequently and, in the event that intermediate products have been split , these are transformed into vat dyes. (Machine-translation by Google Translate, not legally binding)
ES280136A1962-06-281962-08-28Proceeding for the preparation of new tina colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES280136A1
(en)