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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Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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Filing date
Publication date
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
Priority to FR777836ApriorityCriticalpatent/FR74338E/fr
Application grantedgrantedCritical
Publication of FR74338EpublicationCriticalpatent/FR74338E/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
C09B35/20—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling compounds of different types
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR777836A1958-10-291958-10-29Colorants disazoïques insolubles dans l'eau et leur préparation
ExpiredFR74338E
(fr)