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
Original Assignee
Ciba Geigy AG
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Filing date
Publication date
Priority claimed from CH7585659Aexternal-prioritypatent/CH410239A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES259724A2publicationCriticalpatent/ES259724A2/en
Improvements in the object of the main patent no. 251.608, by "procedure for the preparation of new azo dyes", characterized in that 2,4,6-trihalogen-1,3,5-triazines are condensed, particularly 2,4,6 -trichloro-1,3,5-triazine, on the one hand, with an aminomonoazo-dye of the formula: *** 1 (see formula 1) in which r represents the radical of a diazo component free from azo groups, preferably the racial a benzene or naphthalenesulfonic acid, n a positive integer value of at most 2, and p a positive integer value of at most 3, and on the other, an anthraquinone dye of the formula: *** 2 (see formula 2) where m means a positive integer value of at most 1, in any order such that halogen-containing triazine condensation products originate. (Machine-translation by Google Translate, not legally binding)
ES0259724A1959-07-171960-07-16Procedure for the preparation of new azoic dyes (Machine-translation by Google Translate, not legally binding)
ExpiredES259724A2
(en)