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
EVANT GEIGY JEAN-ROD
Original Assignee
JR Geigy AG
EVANT GEIGY JEAN-ROD
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 JR Geigy AG, EVANT GEIGY JEAN-RODfiledCriticalJR Geigy AG
Application grantedgrantedCritical
Publication of FR322603ApublicationCriticalpatent/FR322603A/en
FR322603D1902-06-281902-06-28
Process for the preparation of black monoazo dyestuffs starting from naphthol-sulfonylurea-sulfoconjugates
ExpiredFR322603A
(en)