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.)
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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 FR1084978ApublicationCriticalpatent/FR1084978A/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
C09B35/02—Disazo dyes
C09B35/039—Disazo dyes characterised by the tetrazo component
C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
C09B35/16—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy-amines
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1084978D1951-02-071952-02-06Colorants disazoïques cuivrables et leur procédé de préparation
ExpiredFR1084978A
(fr)