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 CH323967Aexternal-prioritypatent/CH481183A/en
Priority claimed from CH161868Aexternal-prioritypatent/CH511927A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES351255A1publicationCriticalpatent/ES351255A1/en
Agricultural Chemicals And Associated Chemicals
(AREA)
Abstract
Procedure for the preparation of azo dye pigments, of the formula R1-n=n-r2-conhr3 Where R1 means the radical of a diazoable amine (in particular, of an aminobenzene) R2 means a hydroxynaphthalic radical, in which the azo, hydroxylic and carbonamide groups are in the 1,2,3 position or a ketomethylenic radical and R3 means a naphthoestyril radical, Characterized by A) a carboxylic acid halide of the formula R1-n = N-r2-co halogram With an aminonaphtostyril, O well B) coupling a diazo or diazoamine compound of an amine (in particular, of an aminobenzene) with a coupling component of the formula H-r2-conhr3 (Machine-translation by Google Translate, not legally binding)
ES351255A1967-03-061968-03-05Procedure for the preparation of azoic color pigments. (Machine-translation by Google Translate, not legally binding)
ExpiredES351255A1
(en)
Procedure for dyeing and polymerized staining or mixtures of acrylonitrhyl polymerized or asymmetric dicianethylene. (Machine-translation by Google Translate, not legally binding)