ES203802A1 - Procedure for the preparation of cuprificable polyazzo-polarizers (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of cuprificable polyazzo-polarizers (Machine-translation by Google Translate, not legally binding)
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.)
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Novartis AG
Original Assignee
JR Geigy AG
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Publication date
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Priority to ES0203802ApriorityCriticalpatent/ES203802A1/en
Publication of ES203802A1publicationCriticalpatent/ES203802A1/en
Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General
(AREA)
Abstract
Process for preparing cuprable polyazo dyes, characterized in that 1 mole of the nitrated diazo compound of 1-amino-2-oxy-naphthalene-4-sulphonic acid, and 1 mole of a diazo compound of the general formula i is coupled. (Machine-translation by Google Translate, not legally binding)
ES0203802A1952-06-021952-06-02Procedure for the preparation of cuprificable polyazzo-polarizers (Machine-translation by Google Translate, not legally binding)
ExpiredES203802A1
(en)
A procedure for the preparation of an effectively soluble compound, based on teofinyl and 3-aminometilpyridine (Machine-translation by Google Translate, not legally binding)