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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH1046761Aexternal-prioritypatent/CH466467A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES280612A1publicationCriticalpatent/ES280612A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Procedure for preparing vat dyes containing at least one sulfonic acid group and at least one triazine ring, but lacking carbamide groups, characterized in that: a) up to the introduction of at least one SO3H group, a vat dye having at least one triazine ring is treated with sulfonating agents, and as further substituents, only those of the class of hydroxyl, alkoxy, alkoxyalkyl groups, nitrile, thiocyanate, isothiocyocyanate, sulfo, sulfamyl, cycloalkyl, alkyl, aralkyl, mono to tri-ahalogenalkyl and aryl, as well as of the heterocyclic linked NH2 and alkylamino groups, of the alpha-protected NH2 groups, and of the atoms aromatically linked halogen. (Machine-translation by Google Translate, not legally binding)
ES280612A1961-09-081962-09-07Procedure for preparing tina colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES280612A1
(en)
Procedure for dying and printing polyesteric fibers polycarboxylic aromatic acids and polyvalent alcohols. (Machine-translation by Google Translate, not legally binding)
Procedure for the production of azoic colorants insoluble in water on textile material of cellulose fibers or proteins. (Machine-translation by Google Translate, not legally binding)