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- Google Patents
AU486889B2 - Bis-azomethine metal complex colorants from hydroxycouramin derivatives or hydroxychromone derivatives
- Google Patents
Bis-azomethine metal complex colorants from hydroxycouramin derivatives or hydroxychromone derivatives
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.)
Laurent Liottel And Andre Pugin Francois L'eplattenier
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
Original Assignee
Ciba Geigy AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH1058474Aexternal-prioritypatent/CH591546A5/xx
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Application grantedgrantedCritical
Publication of AU8352675ApublicationCriticalpatent/AU8352675A/en
Publication of AU486889B2publicationCriticalpatent/AU486889B2/en
AU83526/75A1974-07-311975-07-30Bis-azomethine metal complex colorants from hydroxycouramin derivatives or hydroxychromone derivatives
ExpiredAU486889B2
(en)