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
Priority claimed from CH729768Aexternal-prioritypatent/CH496783A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES367303A1publicationCriticalpatent/ES367303A1/en
Process for the preparation of phthalocyanine dyes of the formula ** (see formula) ** In which Pc means the radical of a nickel-phthalocyanine cupro; X means an amine group; One of the symbols Y means one sulfonic acid group, while the other means a 2-alkoxy-4-chloro- or -bromo-1,3,5-triazinyl- (6) radical linked by means of a -nh bridge; A, b and c each represent a whole or fractional number, and they are: A and c each 1.0 at least, Y A + b + c = 4,0 Characterized by condensing, an amine of the formula ** (see formula) ** In which P c, x, a, b and c have the same meaning as before, while one of the symbols Y1 means one sulfonic acid group and the other one means an nh2 group, With a 2-alkoxy-4,6-dichloro- or -dibromo-1,3,5-triazine. (Machine-translation by Google Translate, not legally binding)
ES367303A1968-05-171969-05-16Procedure for the preparation of fthalocyanin colors (Machine-translation by Google Translate, not legally binding)
ExpiredES367303A1
(en)