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 CH1425968Aexternal-prioritypatent/CH498917A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES371777A1publicationCriticalpatent/ES371777A1/en
Process for the preparation of phthalocyanine dyes of the composition ** (see formula) ** Where Q means, to the radical of a phthalocyanine: Z means an alkylenic bridge of low molecular weight, optionally branched; R means an aralkyl or aryl radical, at most bicyclic, and A means a number between 0 (inclusive) and 2 (inclusive), While A + b must be equal to 4, characterized by: A) condensing a sulfohalide of the formula ** (see formula) ** Where Q, a and b have the meaning that has already been exposed, whereas X represents a halogen atom, with an amine of the formula ** (see formula) ** O well H) sulfated a compound of the formula ** (see formula) ** Where Q, h, z, a and b have the meaning already stated, while And it means a radical replaceable by a sulphate group. (Machine-translation by Google Translate, not legally binding)
ES371777A1968-09-241969-09-23Procedure for the preparation of fthalocyanin colors (Machine-translation by Google Translate, not legally binding)
ExpiredES371777A1
(en)
METHOD OF PREPARATION OF ASSOCIATIONS OF GENERAL FORMULA R'-C-C-R? 722, WITH INVENTORIES OF THE GENERAL FORMULA R'-C-CH TURNED INTO ASSOCIATIONS WITH GENERAL FORMULA X-R'722, WHERE X BENECKN
Procedure for the preparation of new 2-amino-5-nitrotriazoles replaced in the amino group. (Machine-translation by Google Translate, not legally binding)