ES226514A1 - 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.)
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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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Priority to ES226514ApriorityCriticalpatent/ES226514A1/en
Publication of ES226514A1publicationCriticalpatent/ES226514A1/en
Process for the preparation of metal-containing azo dyes characterized in that cobalt or chromium yielding agents are reacted with the monoazo-dye of formula (2) so that an azo dye containing cobalt or chromium is produced which has two molecules monoazo-dye in complex bond with a cobalt or chromium atom. (Machine-translation by Google Translate, not legally binding)
ES226514A1956-02-041956-02-04A procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)
ExpiredES226514A1
(en)