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
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
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES0218050ApriorityCriticalpatent/ES218050A1/en
Publication of ES218050A1publicationCriticalpatent/ES218050A1/en
Process for the preparation of new disazo-dyes characterized in that aminomonoazo-dyes of the formula are treated in which x means a phenylaminosubstituted group on the phenyl radical by a hydro-solvent power group with phosgene. (Machine-translation by Google Translate, not legally binding)
ES0218050A1954-10-251954-10-25Procedure for the preparation of new disadvantages (Machine-translation by Google Translate, not legally binding)
ExpiredES218050A1
(en)