ES219530A1 - A procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of azocolorants that contain metal (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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES219530ApriorityCriticalpatent/ES219530A1/en
Publication of ES219530A1publicationCriticalpatent/ES219530A1/en
Process for the preparation of metal-containing azo dyes characterized in that metal-yielding media are reacted with monoazo dyes of the general formula wherein x is a nitro group or an alcohol group and a hydrogen atom is preferably a group alkoxy or an alcohol group or a halogen atom and to which effect the benzene cores i and ii may contain further substituents which do not have hydro-solvent power. (Machine-translation by Google Translate, not legally binding)
ES219530A1955-01-141955-01-14A procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
ExpiredES219530A1
(en)
A procedure for the preparation of acil-anylides with basic substitutors and their derivatives (Machine-translation by Google Translate, not legally binding)