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
JR Geigy AG
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Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Application grantedgrantedCritical
Publication of FR57657EpublicationCriticalpatent/FR57657E/fr
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
C09B35/38—Trisazo dyes ot the type
C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol
C09B35/463—D being derived from diaminodiphenyl
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR57657D1947-08-011947-08-01Procédé pour la préparation de colorants polyazoïques cuivrables et produits nouveaux résultant de ce procédé
ExpiredFR57657E
(fr)